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-rw-r--r--src/class/cdc/cdc_device.c27
-rw-r--r--src/class/hid/hid.h283
-rw-r--r--src/class/midi/midi.h45
-rw-r--r--src/class/midi/midi_device.c294
-rw-r--r--src/class/midi/midi_device.h102
-rw-r--r--src/class/usbtmc/usbtmc_device.c6
-rw-r--r--src/portable/nordic/nrf5x/dcd_nrf5x.c131
-rw-r--r--src/portable/nxp/lpc17_40/dcd_lpc17_40.c3
-rw-r--r--src/portable/nxp/lpc17_40/dcd_lpc17_40.h6
-rw-r--r--src/portable/nxp/lpc17_40/hcd_lpc17_40.c3
-rw-r--r--src/portable/renesas/usba/dcd_usba.c736
-rw-r--r--src/portable/silabs/efm32/dcd_efm32.c931
-rw-r--r--src/tusb_option.h10
13 files changed, 2224 insertions, 353 deletions
diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c
index 18919c486..0a7691916 100644
--- a/src/class/cdc/cdc_device.c
+++ b/src/class/cdc/cdc_device.c
@@ -95,7 +95,8 @@ static void _prep_out_transaction (cdcd_interface_t* p_cdc)
// fifo can be changed before endpoint is claimed
available = tu_fifo_remaining(&p_cdc->rx_ff);
- if ( available >= sizeof(p_cdc->epout_buf) ) {
+ if ( available >= sizeof(p_cdc->epout_buf) )
+ {
usbd_edpt_xfer(rhport, p_cdc->ep_out, p_cdc->epout_buf, sizeof(p_cdc->epout_buf));
}else
{
@@ -432,25 +433,27 @@ bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_
// Received new data
if ( ep_addr == p_cdc->ep_out )
{
- // TODO search for wanted char first for better performance
- for(uint32_t i=0; i<xferred_bytes; i++)
+ tu_fifo_write_n(&p_cdc->rx_ff, &p_cdc->epout_buf, xferred_bytes);
+
+ // Check for wanted char and invoke callback if needed
+ if ( tud_cdc_rx_wanted_cb && (((signed char) p_cdc->wanted_char) != -1) )
{
- tu_fifo_write(&p_cdc->rx_ff, &p_cdc->epout_buf[i]);
-
- // Check for wanted char and invoke callback if needed
- if ( tud_cdc_rx_wanted_cb && ( ((signed char) p_cdc->wanted_char) != -1 ) && ( p_cdc->wanted_char == p_cdc->epout_buf[i] ) )
+ for ( uint32_t i = 0; i < xferred_bytes; i++ )
{
- tud_cdc_rx_wanted_cb(itf, p_cdc->wanted_char);
+ if ( (p_cdc->wanted_char == p_cdc->epout_buf[i]) && !tu_fifo_empty(&p_cdc->rx_ff) )
+ {
+ tud_cdc_rx_wanted_cb(itf, p_cdc->wanted_char);
+ }
}
}
-
+
// invoke receive callback (if there is still data)
- if (tud_cdc_rx_cb && tu_fifo_count(&p_cdc->rx_ff) ) tud_cdc_rx_cb(itf);
-
+ if (tud_cdc_rx_cb && !tu_fifo_empty(&p_cdc->rx_ff) ) tud_cdc_rx_cb(itf);
+
// prepare for OUT transaction
_prep_out_transaction(p_cdc);
}
-
+
// Data sent to host, we continue to fetch from tx fifo to send.
// Note: This will cause incorrect baudrate set in line coding.
// Though maybe the baudrate is not really important !!!
diff --git a/src/class/hid/hid.h b/src/class/hid/hid.h
index a7db087a7..351a4d600 100644
--- a/src/class/hid/hid.h
+++ b/src/class/hid/hid.h
@@ -303,118 +303,177 @@ typedef enum
//--------------------------------------------------------------------+
// HID KEYCODE
//--------------------------------------------------------------------+
-#define HID_KEY_NONE 0x00
-#define HID_KEY_A 0x04
-#define HID_KEY_B 0x05
-#define HID_KEY_C 0x06
-#define HID_KEY_D 0x07
-#define HID_KEY_E 0x08
-#define HID_KEY_F 0x09
-#define HID_KEY_G 0x0A
-#define HID_KEY_H 0x0B
-#define HID_KEY_I 0x0C
-#define HID_KEY_J 0x0D
-#define HID_KEY_K 0x0E
-#define HID_KEY_L 0x0F
-#define HID_KEY_M 0x10
-#define HID_KEY_N 0x11
-#define HID_KEY_O 0x12
-#define HID_KEY_P 0x13
-#define HID_KEY_Q 0x14
-#define HID_KEY_R 0x15
-#define HID_KEY_S 0x16
-#define HID_KEY_T 0x17
-#define HID_KEY_U 0x18
-#define HID_KEY_V 0x19
-#define HID_KEY_W 0x1A
-#define HID_KEY_X 0x1B
-#define HID_KEY_Y 0x1C
-#define HID_KEY_Z 0x1D
-#define HID_KEY_1 0x1E
-#define HID_KEY_2 0x1F
-#define HID_KEY_3 0x20
-#define HID_KEY_4 0x21
-#define HID_KEY_5 0x22
-#define HID_KEY_6 0x23
-#define HID_KEY_7 0x24
-#define HID_KEY_8 0x25
-#define HID_KEY_9 0x26
-#define HID_KEY_0 0x27
-#define HID_KEY_RETURN 0x28
-#define HID_KEY_ESCAPE 0x29
-#define HID_KEY_BACKSPACE 0x2A
-#define HID_KEY_TAB 0x2B
-#define HID_KEY_SPACE 0x2C
-#define HID_KEY_MINUS 0x2D
-#define HID_KEY_EQUAL 0x2E
-#define HID_KEY_BRACKET_LEFT 0x2F
-#define HID_KEY_BRACKET_RIGHT 0x30
-#define HID_KEY_BACKSLASH 0x31
-#define HID_KEY_EUROPE_1 0x32
-#define HID_KEY_SEMICOLON 0x33
-#define HID_KEY_APOSTROPHE 0x34
-#define HID_KEY_GRAVE 0x35
-#define HID_KEY_COMMA 0x36
-#define HID_KEY_PERIOD 0x37
-#define HID_KEY_SLASH 0x38
-#define HID_KEY_CAPS_LOCK 0x39
-#define HID_KEY_F1 0x3A
-#define HID_KEY_F2 0x3B
-#define HID_KEY_F3 0x3C
-#define HID_KEY_F4 0x3D
-#define HID_KEY_F5 0x3E
-#define HID_KEY_F6 0x3F
-#define HID_KEY_F7 0x40
-#define HID_KEY_F8 0x41
-#define HID_KEY_F9 0x42
-#define HID_KEY_F10 0x43
-#define HID_KEY_F11 0x44
-#define HID_KEY_F12 0x45
-#define HID_KEY_PRINT_SCREEN 0x46
-#define HID_KEY_SCROLL_LOCK 0x47
-#define HID_KEY_PAUSE 0x48
-#define HID_KEY_INSERT 0x49
-#define HID_KEY_HOME 0x4A
-#define HID_KEY_PAGE_UP 0x4B
-#define HID_KEY_DELETE 0x4C
-#define HID_KEY_END 0x4D
-#define HID_KEY_PAGE_DOWN 0x4E
-#define HID_KEY_ARROW_RIGHT 0x4F
-#define HID_KEY_ARROW_LEFT 0x50
-#define HID_KEY_ARROW_DOWN 0x51
-#define HID_KEY_ARROW_UP 0x52
-#define HID_KEY_NUM_LOCK 0x53
-#define HID_KEY_KEYPAD_DIVIDE 0x54
-#define HID_KEY_KEYPAD_MULTIPLY 0x55
-#define HID_KEY_KEYPAD_SUBTRACT 0x56
-#define HID_KEY_KEYPAD_ADD 0x57
-#define HID_KEY_KEYPAD_ENTER 0x58
-#define HID_KEY_KEYPAD_1 0x59
-#define HID_KEY_KEYPAD_2 0x5A
-#define HID_KEY_KEYPAD_3 0x5B
-#define HID_KEY_KEYPAD_4 0x5C
-#define HID_KEY_KEYPAD_5 0x5D
-#define HID_KEY_KEYPAD_6 0x5E
-#define HID_KEY_KEYPAD_7 0x5F
-#define HID_KEY_KEYPAD_8 0x60
-#define HID_KEY_KEYPAD_9 0x61
-#define HID_KEY_KEYPAD_0 0x62
-#define HID_KEY_KEYPAD_DECIMAL 0x63
-#define HID_KEY_EUROPE_2 0x64
-#define HID_KEY_APPLICATION 0x65
-#define HID_KEY_POWER 0x66
-#define HID_KEY_KEYPAD_EQUAL 0x67
-#define HID_KEY_F13 0x68
-#define HID_KEY_F14 0x69
-#define HID_KEY_F15 0x6A
-#define HID_KEY_CONTROL_LEFT 0xE0
-#define HID_KEY_SHIFT_LEFT 0xE1
-#define HID_KEY_ALT_LEFT 0xE2
-#define HID_KEY_GUI_LEFT 0xE3
-#define HID_KEY_CONTROL_RIGHT 0xE4
-#define HID_KEY_SHIFT_RIGHT 0xE5
-#define HID_KEY_ALT_RIGHT 0xE6
-#define HID_KEY_GUI_RIGHT 0xE7
+#define HID_KEY_NONE 0x00
+#define HID_KEY_A 0x04
+#define HID_KEY_B 0x05
+#define HID_KEY_C 0x06
+#define HID_KEY_D 0x07
+#define HID_KEY_E 0x08
+#define HID_KEY_F 0x09
+#define HID_KEY_G 0x0A
+#define HID_KEY_H 0x0B
+#define HID_KEY_I 0x0C
+#define HID_KEY_J 0x0D
+#define HID_KEY_K 0x0E
+#define HID_KEY_L 0x0F
+#define HID_KEY_M 0x10
+#define HID_KEY_N 0x11
+#define HID_KEY_O 0x12
+#define HID_KEY_P 0x13
+#define HID_KEY_Q 0x14
+#define HID_KEY_R 0x15
+#define HID_KEY_S 0x16
+#define HID_KEY_T 0x17
+#define HID_KEY_U 0x18
+#define HID_KEY_V 0x19
+#define HID_KEY_W 0x1A
+#define HID_KEY_X 0x1B
+#define HID_KEY_Y 0x1C
+#define HID_KEY_Z 0x1D
+#define HID_KEY_1 0x1E
+#define HID_KEY_2 0x1F
+#define HID_KEY_3 0x20
+#define HID_KEY_4 0x21
+#define HID_KEY_5 0x22
+#define HID_KEY_6 0x23
+#define HID_KEY_7 0x24
+#define HID_KEY_8 0x25
+#define HID_KEY_9 0x26
+#define HID_KEY_0 0x27
+#define HID_KEY_ENTER 0x28
+#define HID_KEY_ESCAPE 0x29
+#define HID_KEY_BACKSPACE 0x2A
+#define HID_KEY_TAB 0x2B
+#define HID_KEY_SPACE 0x2C
+#define HID_KEY_MINUS 0x2D
+#define HID_KEY_EQUAL 0x2E
+#define HID_KEY_BRACKET_LEFT 0x2F
+#define HID_KEY_BRACKET_RIGHT 0x30
+#define HID_KEY_BACKSLASH 0x31
+#define HID_KEY_EUROPE_1 0x32
+#define HID_KEY_SEMICOLON 0x33
+#define HID_KEY_APOSTROPHE 0x34
+#define HID_KEY_GRAVE 0x35
+#define HID_KEY_COMMA 0x36
+#define HID_KEY_PERIOD 0x37
+#define HID_KEY_SLASH 0x38
+#define HID_KEY_CAPS_LOCK 0x39
+#define HID_KEY_F1 0x3A
+#define HID_KEY_F2 0x3B
+#define HID_KEY_F3 0x3C
+#define HID_KEY_F4 0x3D
+#define HID_KEY_F5 0x3E
+#define HID_KEY_F6 0x3F
+#define HID_KEY_F7 0x40
+#define HID_KEY_F8 0x41
+#define HID_KEY_F9 0x42
+#define HID_KEY_F10 0x43
+#define HID_KEY_F11 0x44
+#define HID_KEY_F12 0x45
+#define HID_KEY_PRINT_SCREEN 0x46
+#define HID_KEY_SCROLL_LOCK 0x47
+#define HID_KEY_PAUSE 0x48
+#define HID_KEY_INSERT 0x49
+#define HID_KEY_HOME 0x4A
+#define HID_KEY_PAGE_UP 0x4B
+#define HID_KEY_DELETE 0x4C
+#define HID_KEY_END 0x4D
+#define HID_KEY_PAGE_DOWN 0x4E
+#define HID_KEY_ARROW_RIGHT 0x4F
+#define HID_KEY_ARROW_LEFT 0x50
+#define HID_KEY_ARROW_DOWN 0x51
+#define HID_KEY_ARROW_UP 0x52
+#define HID_KEY_NUM_LOCK 0x53
+#define HID_KEY_KEYPAD_DIVIDE 0x54
+#define HID_KEY_KEYPAD_MULTIPLY 0x55
+#define HID_KEY_KEYPAD_SUBTRACT 0x56
+#define HID_KEY_KEYPAD_ADD 0x57
+#define HID_KEY_KEYPAD_ENTER 0x58
+#define HID_KEY_KEYPAD_1 0x59
+#define HID_KEY_KEYPAD_2 0x5A
+#define HID_KEY_KEYPAD_3 0x5B
+#define HID_KEY_KEYPAD_4 0x5C
+#define HID_KEY_KEYPAD_5 0x5D
+#define HID_KEY_KEYPAD_6 0x5E
+#define HID_KEY_KEYPAD_7 0x5F
+#define HID_KEY_KEYPAD_8 0x60
+#define HID_KEY_KEYPAD_9 0x61
+#define HID_KEY_KEYPAD_0 0x62
+#define HID_KEY_KEYPAD_DECIMAL 0x63
+#define HID_KEY_EUROPE_2 0x64
+#define HID_KEY_APPLICATION 0x65
+#define HID_KEY_POWER 0x66
+#define HID_KEY_KEYPAD_EQUAL 0x67
+#define HID_KEY_F13 0x68
+#define HID_KEY_F14 0x69
+#define HID_KEY_F15 0x6A
+#define HID_KEY_F16 0x6B
+#define HID_KEY_F17 0x6C
+#define HID_KEY_F18 0x6D
+#define HID_KEY_F19 0x6E
+#define HID_KEY_F20 0x6F
+#define HID_KEY_F21 0x70
+#define HID_KEY_F22 0x71
+#define HID_KEY_F23 0x72
+#define HID_KEY_F24 0x73
+#define HID_KEY_EXECUTE 0x74
+#define HID_KEY_HELP 0x75
+#define HID_KEY_MENU 0x76
+#define HID_KEY_SELECT 0x77
+#define HID_KEY_STOP 0x78
+#define HID_KEY_AGAIN 0x79
+#define HID_KEY_UNDO 0x7A
+#define HID_KEY_CUT 0x7B
+#define HID_KEY_COPY 0x7C
+#define HID_KEY_PASTE 0x7D
+#define HID_KEY_FIND 0x7E
+#define HID_KEY_MUTE 0x7F
+#define HID_KEY_VOLUME_UP 0x80
+#define HID_KEY_VOLUME_DOWN 0x81
+#define HID_KEY_LOCKING_CAPS_LOCK 0x82
+#define HID_KEY_LOCKING_NUM_LOCK 0x83
+#define HID_KEY_LOCKING_SCROLL_LOCK 0x84
+#define HID_KEY_KEYPAD_COMMA 0x85
+#define HID_KEY_KEYPAD_EQUAL_SIGN 0x86
+#define HID_KEY_KANJI1 0x87
+#define HID_KEY_KANJI2 0x88
+#define HID_KEY_KANJI3 0x89
+#define HID_KEY_KANJI4 0x8A
+#define HID_KEY_KANJI5 0x8B
+#define HID_KEY_KANJI6 0x8C
+#define HID_KEY_KANJI7 0x8D
+#define HID_KEY_KANJI8 0x8E
+#define HID_KEY_KANJI9 0x8F
+#define HID_KEY_LANG1 0x90
+#define HID_KEY_LANG2 0x91
+#define HID_KEY_LANG3 0x92
+#define HID_KEY_LANG4 0x93
+#define HID_KEY_LANG5 0x94
+#define HID_KEY_LANG6 0x95
+#define HID_KEY_LANG7 0x96
+#define HID_KEY_LANG8 0x97
+#define HID_KEY_LANG9 0x98
+#define HID_KEY_ALTERNATE_ERASE 0x99
+#define HID_KEY_SYSREQ_ATTENTION 0x9A
+#define HID_KEY_CANCEL 0x9B
+#define HID_KEY_CLEAR 0x9C
+#define HID_KEY_PRIOR 0x9D
+#define HID_KEY_RETURN 0x9E
+#define HID_KEY_SEPARATOR 0x9F
+#define HID_KEY_OUT 0xA0
+#define HID_KEY_OPER 0xA1
+#define HID_KEY_CLEAR_AGAIN 0xA2
+#define HID_KEY_CRSEL_PROPS 0xA3
+#define HID_KEY_EXSEL 0xA4
+// RESERVED 0xA5-DF
+#define HID_KEY_CONTROL_LEFT 0xE0
+#define HID_KEY_SHIFT_LEFT 0xE1
+#define HID_KEY_ALT_LEFT 0xE2
+#define HID_KEY_GUI_LEFT 0xE3
+#define HID_KEY_CONTROL_RIGHT 0xE4
+#define HID_KEY_SHIFT_RIGHT 0xE5
+#define HID_KEY_ALT_RIGHT 0xE6
+#define HID_KEY_GUI_RIGHT 0xE7
//--------------------------------------------------------------------+
diff --git a/src/class/midi/midi.h b/src/class/midi/midi.h
index f758b6e1c..74dc41749 100644
--- a/src/class/midi/midi.h
+++ b/src/class/midi/midi.h
@@ -61,6 +61,51 @@ typedef enum
MIDI_JACK_EXTERNAL = 0x02
} midi_jack_type_t;
+typedef enum
+{
+ MIDI_CIN_MISC = 0,
+ MIDI_CIN_CABLE_EVENT = 1,
+ MIDI_CIN_SYSCOM_2BYTE = 2, // 2 byte system common message e.g MTC, SongSelect
+ MIDI_CIN_SYSCOM_3BYTE = 3, // 3 byte system common message e.g SPP
+ MIDI_CIN_SYSEX_START = 4, // SysEx starts or continue
+ MIDI_CIN_SYSEX_END_1BYTE = 5, // SysEx ends with 1 data, or 1 byte system common message
+ MIDI_CIN_SYSEX_END_2BYTE = 6, // SysEx ends with 2 data
+ MIDI_CIN_SYSEX_END_3BYTE = 7, // SysEx ends with 3 data
+ MIDI_CIN_NOTE_ON = 8,
+ MIDI_CIN_NOTE_OFF = 9,
+ MIDI_CIN_POLY_KEYPRESS = 10,
+ MIDI_CIN_CONTROL_CHANGE = 11,
+ MIDI_CIN_PROGRAM_CHANGE = 12,
+ MIDI_CIN_CHANNEL_PRESSURE = 13,
+ MIDI_CIN_PITCH_BEND_CHANGE = 14,
+ MIDI_CIN_1BYTE_DATA = 15
+} midi_code_index_number_t;
+
+// MIDI 1.0 status byte
+enum
+{
+ //------------- System Exclusive -------------//
+ MIDI_STATUS_SYSEX_START = 0xF0,
+ MIDI_STATUS_SYSEX_END = 0xF7,
+
+ //------------- System Common -------------//
+ MIDI_STATUS_SYSCOM_TIME_CODE_QUARTER_FRAME = 0xF1,
+ MIDI_STATUS_SYSCOM_SONG_POSITION_POINTER = 0xF2,
+ MIDI_STATUS_SYSCOM_SONG_SELECT = 0xF3,
+ // F4, F5 is undefined
+ MIDI_STATUS_SYSCOM_TUNE_REQUEST = 0xF6,
+
+ //------------- System RealTime -------------//
+ MIDI_STATUS_SYSREAL_TIMING_CLOCK = 0xF8,
+ // 0xF9 is undefined
+ MIDI_STATUS_SYSREAL_START = 0xFA,
+ MIDI_STATUS_SYSREAL_CONTINUE = 0xFB,
+ MIDI_STATUS_SYSREAL_STOP = 0xFC,
+ // 0xFD is undefined
+ MIDI_STATUS_SYSREAL_ACTIVE_SENSING = 0xFE,
+ MIDI_STATUS_SYSREAL_SYSTEM_RESET = 0xFF,
+};
+
/// MIDI Interface Header Descriptor
typedef struct TU_ATTR_PACKED
{
diff --git a/src/class/midi/midi_device.c b/src/class/midi/midi_device.c
index 73536a8b0..2c50bc4f3 100644
--- a/src/class/midi/midi_device.c
+++ b/src/class/midi/midi_device.c
@@ -38,12 +38,26 @@
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
+
+typedef struct
+{
+ uint8_t buffer[4];
+ uint8_t index;
+ uint8_t total;
+}midid_stream_t;
+
typedef struct
{
uint8_t itf_num;
uint8_t ep_in;
uint8_t ep_out;
+ // For Stream read()/write() API
+ // Messages are always 4 bytes long, queue them for reading and writing so the
+ // callers can use the Stream interface with single-byte read/write calls.
+ midid_stream_t stream_write;
+ midid_stream_t stream_read;
+
/*------------- From this point, data is not cleared by bus reset -------------*/
// FIFO
tu_fifo_t rx_ff;
@@ -56,16 +70,6 @@ typedef struct
osal_mutex_def_t tx_ff_mutex;
#endif
- // Messages are always 4 bytes long, queue them for reading and writing so the
- // callers can use the Stream interface with single-byte read/write calls.
- uint8_t write_buffer[4];
- uint8_t write_buffer_length;
- uint8_t write_target_length;
-
- uint8_t read_buffer[4];
- uint8_t read_buffer_length;
- uint8_t read_target_length;
-
// Endpoint Transfer buffer
CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_MIDI_EP_BUFSIZE];
CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_MIDI_EP_BUFSIZE];
@@ -120,53 +124,77 @@ uint32_t tud_midi_n_available(uint8_t itf, uint8_t cable_num)
return tu_fifo_count(&_midid_itf[itf].rx_ff);
}
-uint32_t tud_midi_n_read(uint8_t itf, uint8_t cable_num, void* buffer, uint32_t bufsize)
+uint32_t tud_midi_n_stream_read(uint8_t itf, uint8_t cable_num, void* buffer, uint32_t bufsize)
{
(void) cable_num;
+ TU_VERIFY(bufsize, 0);
+
+ uint8_t* buf8 = (uint8_t*) buffer;
+
midid_interface_t* midi = &_midid_itf[itf];
+ midid_stream_t* stream = &midi->stream_read;
+
+ uint32_t total_read = 0;
+ while( bufsize )
+ {
+ // Get new packet from fifo, then set packet expected bytes
+ if ( stream->total == 0 )
+ {
+ // return if there is no more data from fifo
+ if ( !tud_midi_n_packet_read(itf, stream->buffer) ) return total_read;
+
+ uint8_t const code_index = stream->buffer[0] & 0x0f;
+
+ // MIDI 1.0 Table 4-1: Code Index Number Classifications
+ switch(code_index)
+ {
+ case MIDI_CIN_MISC:
+ case MIDI_CIN_CABLE_EVENT:
+ // These are reserved and unused, possibly issue somewhere, skip this packet
+ return 0;
+ break;
- // Fill empty buffer
- if (midi->read_buffer_length == 0) {
- if (!tud_midi_n_receive(itf, midi->read_buffer)) return 0;
+ case MIDI_CIN_SYSEX_END_1BYTE:
+ case MIDI_CIN_1BYTE_DATA:
+ stream->total = 1;
+ break;
- uint8_t code_index = midi->read_buffer[0] & 0x0f;
- // We always copy over the first byte.
- uint8_t count = 1;
- // Ignore subsequent bytes based on the code.
- if (code_index != 0x5 && code_index != 0xf) {
- count = 2;
- if (code_index != 0x2 && code_index != 0x6 && code_index != 0xc && code_index != 0xd) {
- count = 3;
+ case MIDI_CIN_SYSCOM_2BYTE :
+ case MIDI_CIN_SYSEX_END_2BYTE :
+ case MIDI_CIN_PROGRAM_CHANGE :
+ case MIDI_CIN_CHANNEL_PRESSURE :
+ stream->total = 2;
+ break;
+
+ default:
+ stream->total = 3;
+ break;
}
}
- midi->read_buffer_length = count;
- }
+ // Copy data up to bufsize
+ uint32_t const count = tu_min32(stream->total - stream->index, bufsize);
- uint32_t n = midi->read_buffer_length - midi->read_target_length;
- if (bufsize < n) n = bufsize;
+ // Skip the header (1st byte) in the buffer
+ memcpy(buf8, stream->buffer + 1 + stream->index, count);
- // Skip the header in the buffer
- memcpy(buffer, midi->read_buffer + 1 + midi->read_target_length, n);
- midi->read_target_length += n;
+ total_read += count;
+ stream->index += count;
+ buf8 += count;
+ bufsize -= count;
- if (midi->read_target_length == midi->read_buffer_length) {
- midi->read_buffer_length = 0;
- midi->read_target_length = 0;
+ // complete current event packet, reset stream
+ if ( stream->total == stream->index )
+ {
+ stream->index = 0;
+ stream->total = 0;
+ }
}
- return n;
-}
-
-void tud_midi_n_read_flush (uint8_t itf, uint8_t cable_num)
-{
- (void) cable_num;
- midid_interface_t* p_midi = &_midid_itf[itf];
- tu_fifo_clear(&p_midi->rx_ff);
- _prep_out_transaction(p_midi);
+ return total_read;
}
-bool tud_midi_n_receive (uint8_t itf, uint8_t packet[4])
+bool tud_midi_n_packet_read (uint8_t itf, uint8_t packet[4])
{
midid_interface_t* p_midi = &_midid_itf[itf];
uint32_t num_read = tu_fifo_read_n(&p_midi->rx_ff, packet, 4);
@@ -174,10 +202,6 @@ bool tud_midi_n_receive (uint8_t itf, uint8_t packet[4])
return (num_read == 4);
}
-void midi_rx_done_cb(midid_interface_t* midi, uint8_t const* buffer, uint32_t bufsize) {
- tu_fifo_write_n(&midi->rx_ff, buffer, bufsize);
-}
-
//--------------------------------------------------------------------+
// WRITE API
//--------------------------------------------------------------------+
@@ -193,7 +217,8 @@ static uint32_t write_flush(midid_interface_t* midi)
TU_VERIFY( usbd_edpt_claim(rhport, midi->ep_in), 0 );
uint16_t count = tu_fifo_read_n(&midi->tx_ff, midi->epin_buf, CFG_TUD_MIDI_EP_BUFSIZE);
- if (count > 0)
+
+ if (count)
{
TU_ASSERT( usbd_edpt_xfer(rhport, midi->ep_in, midi->epin_buf, count), 0 );
return count;
@@ -205,88 +230,131 @@ static uint32_t write_flush(midid_interface_t* midi)
}
}
-uint32_t tud_midi_n_write(uint8_t itf, uint8_t cable_num, uint8_t const* buffer, uint32_t bufsize)
+uint32_t tud_midi_n_stream_write(uint8_t itf, uint8_t cable_num, uint8_t const* buffer, uint32_t bufsize)
{
midid_interface_t* midi = &_midid_itf[itf];
- if (midi->itf_num == 0) {
- return 0;
- }
+ TU_VERIFY(midi->itf_num, 0);
+ midid_stream_t* stream = &midi->stream_write;
+
+ uint32_t total_written = 0;
uint32_t i = 0;
- while (i < bufsize) {
- uint8_t data = buffer[i];
- if (midi->write_buffer_length == 0) {
- uint8_t msg = data >> 4;
- midi->write_buffer[1] = data;
- midi->write_buffer_length = 2;
- // Check to see if we're still in a SysEx transmit.
- if (midi->write_buffer[0] == 0x4) {
- if (data == 0xf7) {
- midi->write_buffer[0] = 0x5;
- midi->write_target_length = 2;
- } else {
- midi->write_target_length = 4;
- }
- } else if ((msg >= 0x8 && msg <= 0xB) || msg == 0xE) {
- midi->write_buffer[0] = cable_num << 4 | msg;
- midi->write_target_length = 4;
- } else if (msg == 0xf) {
- if (data == 0xf0) {
- midi->write_buffer[0] = 0x4;
- midi->write_target_length = 4;
- } else if (data == 0xf1 || data == 0xf3) {
- midi->write_buffer[0] = 0x2;
- midi->write_target_length = 3;
- } else if (data == 0xf2) {
- midi->write_buffer[0] = 0x3;
- midi->write_target_length = 4;
- } else {
- midi->write_buffer[0] = 0x5;
- midi->write_target_length = 2;
- }
- } else {
- // Pack individual bytes if we don't support packing them into words.
- midi->write_buffer[0] = cable_num << 4 | 0xf;
- midi->write_buffer[2] = 0;
- midi->write_buffer[3] = 0;
- midi->write_buffer_length = 2;
- midi->write_target_length = 2;
+ while ( i < bufsize )
+ {
+ uint8_t const data = buffer[i];
+
+ if ( stream->index == 0 )
+ {
+ // new event packet
+
+ uint8_t const msg = data >> 4;
+
+ stream->index = 2;
+ stream->buffer[1] = data;
+
+ // Check to see if we're still in a SysEx transmit.
+ if ( stream->buffer[0] == MIDI_CIN_SYSEX_START )
+ {
+ if ( data == MIDI_STATUS_SYSEX_END )
+ {
+ stream->buffer[0] = MIDI_CIN_SYSEX_END_1BYTE;
+ stream->total = 2;
+ }
+ else
+ {
+ stream->total = 4;
+ }
+ }
+ else if ( (msg >= 0x8 && msg <= 0xB) || msg == 0xE )
+ {
+ // Channel Voice Messages
+ stream->buffer[0] = (cable_num << 4) | msg;
+ stream->total = 4;
+ }
+ else if ( msg == 0xf )
+ {
+ // System message
+ if ( data == MIDI_STATUS_SYSEX_START )
+ {
+ stream->buffer[0] = MIDI_CIN_SYSEX_START;
+ stream->total = 4;
+ }
+ else if ( data == MIDI_STATUS_SYSCOM_TIME_CODE_QUARTER_FRAME || data == MIDI_STATUS_SYSCOM_SONG_SELECT )
+ {
+ stream->buffer[0] = MIDI_CIN_SYSCOM_2BYTE;
+ stream->total = 3;
+ }
+ else if ( data == MIDI_STATUS_SYSCOM_SONG_POSITION_POINTER )
+ {
+ stream->buffer[0] = MIDI_CIN_SYSCOM_3BYTE;
+ stream->total = 4;
}
- } else {
- midi->write_buffer[midi->write_buffer_length] = data;
- midi->write_buffer_length += 1;
- // See if this byte ends a SysEx.
- if (midi->write_buffer[0] == 0x4 && data == 0xf7) {
- midi->write_buffer[0] = 0x4 + (midi->write_buffer_length - 1);
- midi->write_target_length = midi->write_buffer_length;
+ else
+ {
+ stream->buffer[0] = MIDI_CIN_SYSEX_END_1BYTE;
+ stream->total = 2;
}
+ }
+ else
+ {
+ // Pack individual bytes if we don't support packing them into words.
+ stream->buffer[0] = cable_num << 4 | 0xf;
+ stream->buffer[2] = 0;
+ stream->buffer[3] = 0;
+ stream->index = 2;
+ stream->total = 2;
+ }
}
+ else
+ {
+ // On-going (buffering) packet
- if (midi->write_buffer_length == midi->write_target_length) {
- uint16_t written = tu_fifo_write_n(&midi->tx_ff, midi->write_buffer, 4);
- if (written < 4) {
- TU_ASSERT( written == 0 );
- break;
- }
- midi->write_buffer_length = 0;
+ TU_ASSERT(stream->index < 4, total_written);
+ stream->buffer[stream->index] = data;
+ stream->index++;
+
+ // See if this byte ends a SysEx.
+ if ( stream->buffer[0] == MIDI_CIN_SYSEX_START && data == MIDI_STATUS_SYSEX_END )
+ {
+ stream->buffer[0] = MIDI_CIN_SYSEX_START + (stream->index - 1);
+ stream->total = stream->index;
+ }
}
+
+ // Send out packet
+ if ( stream->index == stream->total )
+ {
+ // zeroes unused bytes
+ for(uint8_t idx = stream->total; idx < 4; idx++) stream->buffer[idx] = 0;
+
+ uint16_t const count = tu_fifo_write_n(&midi->tx_ff, stream->buffer, 4);
+
+ // complete current event packet, reset stream
+ stream->index = stream->total = 0;
+
+ // fifo overflow, here we assume FIFO is multiple of 4 and didn't check remaining before writing
+ if ( count != 4 ) break;
+
+ // updated written if succeeded
+ total_written = i;
+ }
+
i++;
}
write_flush(midi);
- return i;
+ return total_written;
}
-bool tud_midi_n_send (uint8_t itf, uint8_t const packet[4])
+bool tud_midi_n_packet_write (uint8_t itf, uint8_t const packet[4])
{
midid_interface_t* midi = &_midid_itf[itf];
if (midi->itf_num == 0) {
return 0;
}
- if (tu_fifo_remaining(&midi->tx_ff) < 4)
- return false;
+ if (tu_fifo_remaining(&midi->tx_ff) < 4) return false;
tu_fifo_write_n(&midi->tx_ff, packet, 4);
write_flush(midi);
@@ -332,9 +400,9 @@ void midid_reset(uint8_t rhport)
uint16_t midid_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, uint16_t max_len)
{
// 1st Interface is Audio Control v1
- TU_VERIFY(TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass &&
- AUDIO_SUBCLASS_CONTROL == desc_itf->bInterfaceSubClass &&
- AUDIO_FUNC_PROTOCOL_CODE_UNDEF == desc_itf->bInterfaceProtocol, 0);
+ TU_VERIFY(TUSB_CLASS_AUDIO == desc_itf->bInterfaceClass &&
+ AUDIO_SUBCLASS_CONTROL == desc_itf->bInterfaceSubClass &&
+ AUDIO_FUNC_PROTOCOL_CODE_UNDEF == desc_itf->bInterfaceProtocol, 0);
uint16_t drv_len = tu_desc_len(desc_itf);
uint8_t const * p_desc = tu_desc_next(desc_itf);
@@ -350,9 +418,9 @@ uint16_t midid_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, uint
TU_VERIFY(TUSB_DESC_INTERFACE == tu_desc_type(p_desc), 0);
tusb_desc_interface_t const * desc_midi = (tusb_desc_interface_t const *) p_desc;
- TU_VERIFY(TUSB_CLASS_AUDIO == desc_midi->bInterfaceClass &&
- AUDIO_SUBCLASS_MIDI_STREAMING == desc_midi->bInterfaceSubClass &&
- AUDIO_FUNC_PROTOCOL_CODE_UNDEF == desc_midi->bInterfaceProtocol, 0);
+ TU_VERIFY(TUSB_CLASS_AUDIO == desc_midi->bInterfaceClass &&
+ AUDIO_SUBCLASS_MIDI_STREAMING == desc_midi->bInterfaceSubClass &&
+ AUDIO_FUNC_PROTOCOL_CODE_UNDEF == desc_midi->bInterfaceProtocol, 0);
// Find available interface
midid_interface_t * p_midi = NULL;
diff --git a/src/class/midi/midi_device.h b/src/class/midi/midi_device.h
index 5e7df80ae..67f03930c 100644
--- a/src/class/midi/midi_device.h
+++ b/src/class/midi/midi_device.h
@@ -59,29 +59,64 @@
// Application API (Multiple Interfaces)
// CFG_TUD_MIDI > 1
//--------------------------------------------------------------------+
-bool tud_midi_n_mounted (uint8_t itf);
-uint32_t tud_midi_n_available (uint8_t itf, uint8_t cable_num);
-uint32_t tud_midi_n_read (uint8_t itf, uint8_t cable_num, void* buffer, uint32_t bufsize);
-void tud_midi_n_read_flush (uint8_t itf, uint8_t cable_num);
-uint32_t tud_midi_n_write (uint8_t itf, uint8_t cable_num, uint8_t const* buffer, uint32_t bufsize);
-static inline
-uint32_t tud_midi_n_write24 (uint8_t itf, uint8_t cable_num, uint8_t b1, uint8_t b2, uint8_t b3);
+// Check if midi interface is mounted
+bool tud_midi_n_mounted (uint8_t itf);
-bool tud_midi_n_receive (uint8_t itf, uint8_t packet[4]);
-bool tud_midi_n_send (uint8_t itf, uint8_t const packet[4]);
+// Get the number of bytes available for reading
+uint32_t tud_midi_n_available (uint8_t itf, uint8_t cable_num);
+
+// Read byte stream (legacy)
+uint32_t tud_midi_n_stream_read (uint8_t itf, uint8_t cable_num, void* buffer, uint32_t bufsize);
+
+// Write byte Stream (legacy)
+uint32_t tud_midi_n_stream_write (uint8_t itf, uint8_t cable_num, uint8_t const* buffer, uint32_t bufsize);
+
+// Read event packet (4 bytes)
+bool tud_midi_n_packet_read (uint8_t itf, uint8_t packet[4]);
+
+// Write event packet (4 bytes)
+bool tud_midi_n_packet_write (uint8_t itf, uint8_t const packet[4]);
//--------------------------------------------------------------------+
// Application API (Single Interface)
//--------------------------------------------------------------------+
-static inline bool tud_midi_mounted (void);
-static inline uint32_t tud_midi_available (void);
-static inline uint32_t tud_midi_read (void* buffer, uint32_t bufsize);
-static inline void tud_midi_read_flush (void);
-static inline uint32_t tud_midi_write (uint8_t cable_num, uint8_t const* buffer, uint32_t bufsize);
-static inline uint32_t tud_midi_write24 (uint8_t cable_num, uint8_t b1, uint8_t b2, uint8_t b3);
-static inline bool tud_midi_receive (uint8_t packet[4]);
-static inline bool tud_midi_send (uint8_t const packet[4]);
+static inline bool tud_midi_mounted (void);
+static inline uint32_t tud_midi_available (void);
+
+static inline uint32_t tud_midi_stream_read (void* buffer, uint32_t bufsize);
+static inline uint32_t tud_midi_stream_write (uint8_t cable_num, uint8_t const* buffer, uint32_t bufsize);
+
+static inline bool tud_midi_packet_read (uint8_t packet[4]);
+static inline bool tud_midi_packet_write (uint8_t const packet[4]);
+
+//------------- Deprecated API name -------------//
+// TODO remove after 0.10.0 release
+
+TU_ATTR_DEPRECATED("tud_midi_read() is renamed to tud_midi_stream_read()")
+static inline uint32_t tud_midi_read (void* buffer, uint32_t bufsize)
+{
+ return tud_midi_stream_read(buffer, bufsize);
+}
+
+TU_ATTR_DEPRECATED("tud_midi_write() is renamed to tud_midi_stream_write()")
+static inline uint32_t tud_midi_write(uint8_t cable_num, uint8_t const* buffer, uint32_t bufsize)
+{
+ return tud_midi_stream_write(cable_num, buffer, bufsize);
+}
+
+
+TU_ATTR_DEPRECATED("tud_midi_send() is renamed to tud_midi_packet_write()")
+static inline bool tud_midi_send(uint8_t packet[4])
+{
+ return tud_midi_packet_write(packet);
+}
+
+TU_ATTR_DEPRECATED("tud_midi_receive() is renamed to tud_midi_packet_read()")
+static inline bool tud_midi_receive(uint8_t packet[4])
+{
+ return tud_midi_packet_read(packet);
+}
//--------------------------------------------------------------------+
// Application Callback API (weak is optional)
@@ -92,12 +127,6 @@ TU_ATTR_WEAK void tud_midi_rx_cb(uint8_t itf);
// Inline Functions
//--------------------------------------------------------------------+
-static inline uint32_t tud_midi_n_write24 (uint8_t itf, uint8_t cable_num, uint8_t b1, uint8_t b2, uint8_t b3)
-{
- uint8_t msg[3] = { b1, b2, b3 };
- return tud_midi_n_write(itf, cable_num, msg, 3);
-}
-
static inline bool tud_midi_mounted (void)
{
return tud_midi_n_mounted(0);
@@ -108,35 +137,24 @@ static inline uint32_t tud_midi_available (void)
return tud_midi_n_available(0, 0);
}
-static inline uint32_t tud_midi_read (void* buffer, uint32_t bufsize)
-{
- return tud_midi_n_read(0, 0, buffer, bufsize);
-}
-
-static inline void tud_midi_read_flush (void)
-{
- tud_midi_n_read_flush(0, 0);
-}
-
-static inline uint32_t tud_midi_write (uint8_t cable_num, uint8_t const* buffer, uint32_t bufsize)
+static inline uint32_t tud_midi_stream_read (void* buffer, uint32_t bufsize)
{
- return tud_midi_n_write(0, cable_num, buffer, bufsize);
+ return tud_midi_n_stream_read(0, 0, buffer, bufsize);
}
-static inline uint32_t tud_midi_write24 (uint8_t cable_num, uint8_t b1, uint8_t b2, uint8_t b3)
+static inline uint32_t tud_midi_stream_write (uint8_t cable_num, uint8_t const* buffer, uint32_t bufsize)
{
- uint8_t msg[3] = { b1, b2, b3 };
- return tud_midi_write(cable_num, msg, 3);
+ return tud_midi_n_stream_write(0, cable_num, buffer, bufsize);
}
-static inline bool tud_midi_receive (uint8_t packet[4])
+static inline bool tud_midi_packet_read (uint8_t packet[4])
{
- return tud_midi_n_receive(0, packet);
+ return tud_midi_n_packet_read(0, packet);
}
-static inline bool tud_midi_send (uint8_t const packet[4])
+static inline bool tud_midi_packet_write (uint8_t const packet[4])
{
- return tud_midi_n_send(0, packet);
+ return tud_midi_n_packet_write(0, packet);
}
//--------------------------------------------------------------------+
diff --git a/src/class/usbtmc/usbtmc_device.c b/src/class/usbtmc/usbtmc_device.c
index 88776d169..d5f8fe41d 100644
--- a/src/class/usbtmc/usbtmc_device.c
+++ b/src/class/usbtmc/usbtmc_device.c
@@ -131,9 +131,9 @@ typedef struct
uint8_t ep_int_in;
// IN buffer is only used for first packet, not the remainder
// in order to deal with prepending header
- uint8_t ep_bulk_in_buf[USBTMCD_MAX_PACKET_SIZE];
+ CFG_TUSB_MEM_ALIGN uint8_t ep_bulk_in_buf[USBTMCD_MAX_PACKET_SIZE];
// OUT buffer receives one packet at a time
- uint8_t ep_bulk_out_buf[USBTMCD_MAX_PACKET_SIZE];
+ CFG_TUSB_MEM_ALIGN uint8_t ep_bulk_out_buf[USBTMCD_MAX_PACKET_SIZE];
uint32_t transfer_size_remaining; // also used for requested length for bulk IN.
uint32_t transfer_size_sent; // To keep track of data bytes that have been queued in FIFO (not header bytes)
@@ -145,7 +145,7 @@ typedef struct
usbtmc_capabilities_specific_t const * capabilities;
} usbtmc_interface_state_t;
-static usbtmc_interface_state_t usbtmc_state =
+CFG_TUSB_MEM_SECTION static usbtmc_interface_state_t usbtmc_state =
{
.itf_id = 0xFF,
};
diff --git a/src/portable/nordic/nrf5x/dcd_nrf5x.c b/src/portable/nordic/nrf5x/dcd_nrf5x.c
index d9fe2b6ae..6b8095a00 100644
--- a/src/portable/nordic/nrf5x/dcd_nrf5x.c
+++ b/src/portable/nordic/nrf5x/dcd_nrf5x.c
@@ -53,13 +53,11 @@ enum
enum
{
- // Endpoint number is fixed (8) for ISOOUT and ISOIN.
- EP_ISO_NUM = 8,
- // CBI endpoints count
- EP_COUNT = 8
+ EP_ISO_NUM = 8, // Endpoint number is fixed (8) for ISOOUT and ISOIN
+ EP_CBI_COUNT = 8 // Control Bulk Interrupt endpoints count
};
-// Transfer descriptor
+// Transfer Descriptor
typedef struct
{
uint8_t* buffer;
@@ -67,9 +65,10 @@ typedef struct
volatile uint16_t actual_len;
uint16_t mps; // max packet size
- // nrf52840 will auto ACK OUT packet after DMA is done
+ // nRF will auto accept OUT packet after DMA is done
// indicate packet is already ACK
volatile bool data_received;
+
// Set to true when data was transferred from RAM to ISO IN output buffer.
// New data can be put in ISO IN output buffer after SOF.
bool iso_in_transfer_ready;
@@ -81,7 +80,7 @@ static struct
{
// All 8 endpoints including control IN & OUT (offset 1)
// +1 for ISO endpoints
- xfer_td_t xfer[EP_COUNT + 1][2];
+ xfer_td_t xfer[EP_CBI_COUNT + 1][2];
// Number of pending DMA that is started but not handled yet by dcd_int_handler().
// Since nRF can only carry one DMA can run at a time, this value is normally be either 0 or 1.
@@ -133,7 +132,7 @@ static void edpt_dma_start(volatile uint32_t* reg_startep)
{
ended = NRF_USBD->EVENTS_ENDISOIN + NRF_USBD->EVENTS_ENDISOOUT;
- for (uint8_t i=0; i<EP_COUNT; i++)
+ for (uint8_t i=0; i<EP_CBI_COUNT; i++)
{
ended += NRF_USBD->EVENTS_ENDEPIN[i] + NRF_USBD->EVENTS_ENDEPOUT[i];
}
@@ -166,27 +165,6 @@ static inline xfer_td_t* get_td(uint8_t epnum, uint8_t dir)
return &_dcd.xfer[epnum][dir];
}
-/*------------- CBI OUT Transfer -------------*/
-
-// Prepare for a CBI transaction OUT, call at the start
-// Allow ACK incoming data
-static void xact_out_prepare(uint8_t epnum)
-{
- if ( epnum == 0 )
- {
- NRF_USBD->TASKS_EP0RCVOUT = 1;
- }
- else
- {
- // Write zero value to SIZE register will allow hw to ACK (accept data)
- // If it is not already done by DMA
- // SIZE.ISOOUT can also be accessed this way
- NRF_USBD->SIZE.EPOUT[epnum] = 0;
- }
-
- __ISB(); __DSB();
-}
-
// Start DMA to move data from Endpoint -> RAM
static void xact_out_dma(uint8_t epnum)
{
@@ -217,15 +195,14 @@ static void xact_out_dma(uint8_t epnum)
edpt_dma_start(&NRF_USBD->TASKS_STARTEPOUT[epnum]);
}
+
xfer->buffer += xact_len;
xfer->actual_len += xact_len;
}
-/*------------- CBI IN Transfer -------------*/
-
// Prepare for a CBI transaction IN, call at the start
// it start DMA to transfer data from RAM -> Endpoint
-static void xact_in_prepare(uint8_t epnum)
+static void xact_in_dma(uint8_t epnum)
{
xfer_td_t* xfer = get_td(epnum, TUSB_DIR_IN);
@@ -327,6 +304,9 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
{
NRF_USBD->INTENSET = TU_BIT(USBD_INTEN_ENDEPOUT0_Pos + epnum);
NRF_USBD->EPOUTEN |= TU_BIT(epnum);
+
+ // Write any value to SIZE register will allow nRF to ACK/accept data
+ NRF_USBD->SIZE.EPOUT[epnum] = 0;
}else
{
NRF_USBD->INTENSET = TU_BIT(USBD_INTEN_ENDEPIN0_Pos + epnum);
@@ -438,20 +418,31 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
}
else if ( dir == TUSB_DIR_OUT )
{
- if ( xfer->data_received )
+ if ( epnum == 0 )
{
- // nrf52840 auto ACK OUT packet after DMA is done
- // Data already received previously --> trigger DMA to copy to SRAM
- xact_out_dma(epnum);
- }
- else
+ // Accept next Control Out packet
+ NRF_USBD->TASKS_EP0RCVOUT = 1;
+ }else
{
- xact_out_prepare(epnum);
+ if ( xfer->data_received )
+ {
+ // Data may already be received previously
+ xfer->data_received = false;
+
+ // start DMA to copy to SRAM
+ xact_out_dma(epnum);
+ }
+ else
+ {
+ // nRF auto accept next Bulk/Interrupt OUT packet
+ // nothing to do
+ }
}
}
else
{
- xact_in_prepare(epnum);
+ // Start DMA to copy data from RAM -> Endpoint
+ xact_in_dma(epnum);
}
return true;
@@ -477,6 +468,7 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
{
(void) rhport;
uint8_t const epnum = tu_edpt_number(ep_addr);
+ uint8_t const dir = tu_edpt_dir(ep_addr);
if ( epnum != 0 && epnum != EP_ISO_NUM )
{
@@ -486,6 +478,10 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
// reset data toggle to DATA0
NRF_USBD->DTOGGLE = (USBD_DTOGGLE_VALUE_Data0 << USBD_DTOGGLE_VALUE_Pos) | ep_addr;
+ // Write any value to SIZE register will allow nRF to ACK/accept data
+ // Drop any pending data
+ if (dir == TUSB_DIR_OUT) NRF_USBD->SIZE.EPOUT[epnum] = 0;
+
__ISB(); __DSB();
}
}
@@ -594,17 +590,18 @@ void dcd_int_handler(uint8_t rhport)
// Setup tokens are specific to the Control endpoint.
if ( int_status & USBD_INTEN_EP0SETUP_Msk )
{
- uint8_t const setup[8] = {
- NRF_USBD->BMREQUESTTYPE , NRF_USBD->BREQUEST, NRF_USBD->WVALUEL , NRF_USBD->WVALUEH,
- NRF_USBD->WINDEXL , NRF_USBD->WINDEXH , NRF_USBD->WLENGTHL, NRF_USBD->WLENGTHH
+ uint8_t const setup[8] =
+ {
+ NRF_USBD->BMREQUESTTYPE , NRF_USBD->BREQUEST, NRF_USBD->WVALUEL , NRF_USBD->WVALUEH,
+ NRF_USBD->WINDEXL , NRF_USBD->WINDEXH , NRF_USBD->WLENGTHL, NRF_USBD->WLENGTHH
};
// nrf5x hw auto handle set address, there is no need to inform usb stack
tusb_control_request_t const * request = (tusb_control_request_t const *) setup;
- if ( !(TUSB_REQ_RCPT_DEVICE == request->bmRequestType_bit.recipient &&
+ if ( !(TUSB_REQ_RCPT_DEVICE == request->bmRequestType_bit.recipient &&
TUSB_REQ_TYPE_STANDARD == request->bmRequestType_bit.type &&
- TUSB_REQ_SET_ADDRESS == request->bRequest) )
+ TUSB_REQ_SET_ADDRESS == request->bRequest) )
{
dcd_event_setup_received(0, setup, true);
}
@@ -620,15 +617,15 @@ void dcd_int_handler(uint8_t rhport)
* For CBI OUT:
* - Host -> Endpoint
* EPDATA (or EP0DATADONE) interrupted, check EPDATASTATUS.EPOUT[i]
- * to start DMA. This step can occur automatically (without sw),
- * which means data may or may not ready (data_received flag).
+ * to start DMA. For Bulk/Interrupt, this step can occur automatically (without sw),
+ * which means data may or may not be ready (data_received flag).
* - Endpoint -> RAM
* ENDEPOUT[i] interrupted, transaction complete, sw prepare next transaction
*
* For CBI IN:
* - RAM -> Endpoint
* ENDEPIN[i] interrupted indicate DMA is complete. HW will start
- * to move daat to host
+ * to move data to host
* - Endpoint -> Host
* EPDATA (or EP0DATADONE) interrupted, check EPDATASTATUS.EPIN[i].
* Transaction is complete, sw prepare next transaction
@@ -640,27 +637,31 @@ void dcd_int_handler(uint8_t rhport)
/* CBI OUT: Endpoint -> SRAM (aka transaction complete)
* Note: Since nRF controller auto ACK next packet without SW awareness
- * We must handle this stage before Host -> Endpoint just in case
- * 2 event happens at once
- * ISO OUT: Transaction must fit in single packed, it can be shorter then total
+ * We must handle this stage before Host -> Endpoint just in case 2 event happens at once
+ *
+ * ISO OUT: Transaction must fit in single packet, it can be shorter then total
* len if Host decides to sent fewer bytes, it this case transaction is also
* complete and next transfer is not initiated here like for CBI.
*/
- for(uint8_t epnum=0; epnum<EP_COUNT+1; epnum++)
+ for(uint8_t epnum=0; epnum<EP_CBI_COUNT+1; epnum++)
{
if ( tu_bit_test(int_status, USBD_INTEN_ENDEPOUT0_Pos+epnum))
{
xfer_td_t* xfer = get_td(epnum, TUSB_DIR_OUT);
uint8_t const xact_len = NRF_USBD->EPOUT[epnum].AMOUNT;
- // Data in endpoint has been consumed
- xfer->data_received = false;
-
// Transfer complete if transaction len < Max Packet Size or total len is transferred
if ( (epnum != EP_ISO_NUM) && (xact_len == xfer->mps) && (xfer->actual_len < xfer->total_len) )
{
- // Prepare for next transaction
- xact_out_prepare(epnum);
+ if ( epnum == 0 )
+ {
+ // Accept next Control Out packet
+ NRF_USBD->TASKS_EP0RCVOUT = 1;
+ }else
+ {
+ // nRF auto accept next Bulk/Interrupt OUT packet
+ // nothing to do
+ }
}else
{
xfer->total_len = xfer->actual_len;
@@ -673,7 +674,7 @@ void dcd_int_handler(uint8_t rhport)
// Ended event for CBI IN : nothing to do
}
- // Endpoint <-> Host
+ // Endpoint <-> Host ( In & OUT )
if ( int_status & (USBD_INTEN_EPDATA_Msk | USBD_INTEN_EP0DATADONE_Msk) )
{
uint32_t data_status = NRF_USBD->EPDATASTATUS;
@@ -687,9 +688,9 @@ void dcd_int_handler(uint8_t rhport)
bool const is_control_out = (int_status & USBD_INTEN_EP0DATADONE_Msk) && !(NRF_USBD->BMREQUESTTYPE & TUSB_DIR_IN_MASK);
// CBI In: Endpoint -> Host (transaction complete)
- for(uint8_t epnum=0; epnum<8; epnum++)
+ for(uint8_t epnum=0; epnum<EP_CBI_COUNT; epnum++)
{
- if ( tu_bit_test(data_status, epnum ) || ( epnum == 0 && is_control_in) )
+ if ( tu_bit_test(data_status, epnum) || (epnum == 0 && is_control_in) )
{
xfer_td_t* xfer = get_td(epnum, TUSB_DIR_IN);
@@ -697,8 +698,8 @@ void dcd_int_handler(uint8_t rhport)
if ( xfer->actual_len < xfer->total_len )
{
- // prepare next transaction
- xact_in_prepare(epnum);
+ // Start DMA to copy next data packet
+ xact_in_dma(epnum);
} else
{
// CBI IN complete
@@ -708,9 +709,9 @@ void dcd_int_handler(uint8_t rhport)
}
// CBI OUT: Host -> Endpoint
- for(uint8_t epnum=0; epnum<8; epnum++)
+ for(uint8_t epnum=0; epnum<EP_CBI_COUNT; epnum++)
{
- if ( tu_bit_test(data_status, 16+epnum ) || ( epnum == 0 && is_control_out) )
+ if ( tu_bit_test(data_status, 16+epnum) || (epnum == 0 && is_control_out) )
{
xfer_td_t* xfer = get_td(epnum, TUSB_DIR_OUT);
@@ -719,7 +720,7 @@ void dcd_int_handler(uint8_t rhport)
xact_out_dma(epnum);
}else
{
- // Data overflow !!! Nah, nrf52840 will auto ACK OUT packet after DMA is done
+ // Data overflow !!! Nah, nRF will auto accept next Bulk/Interrupt OUT packet
// Mark this endpoint with data received
xfer->data_received = true;
}
diff --git a/src/portable/nxp/lpc17_40/dcd_lpc17_40.c b/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
index 7d867aaba..519d09151 100644
--- a/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
+++ b/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
@@ -26,7 +26,8 @@
#include "tusb_option.h"
-#if TUSB_OPT_DEVICE_ENABLED && (CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC40XX)
+#if TUSB_OPT_DEVICE_ENABLED && \
+ (CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC177X_8X || CFG_TUSB_MCU == OPT_MCU_LPC40XX)
#include "device/dcd.h"
#include "dcd_lpc17_40.h"
diff --git a/src/portable/nxp/lpc17_40/dcd_lpc17_40.h b/src/portable/nxp/lpc17_40/dcd_lpc17_40.h
index 1e7c0fbc0..07daa32e4 100644
--- a/src/portable/nxp/lpc17_40/dcd_lpc17_40.h
+++ b/src/portable/nxp/lpc17_40/dcd_lpc17_40.h
@@ -24,8 +24,8 @@
* This file is part of the TinyUSB stack.
*/
-#ifndef _TUSB_DCD_LPC175X_6X_H_
-#define _TUSB_DCD_LPC175X_6X_H_
+#ifndef _TUSB_DCD_LPC17_40_H_
+#define _TUSB_DCD_LPC17_40_H_
#include "common/tusb_common.h"
@@ -149,4 +149,4 @@ enum {
}
#endif
-#endif /* _TUSB_DCD_LPC175X_6X_H_ */
+#endif
diff --git a/src/portable/nxp/lpc17_40/hcd_lpc17_40.c b/src/portable/nxp/lpc17_40/hcd_lpc17_40.c
index 537b3daba..1c1faed94 100644
--- a/src/portable/nxp/lpc17_40/hcd_lpc17_40.c
+++ b/src/portable/nxp/lpc17_40/hcd_lpc17_40.c
@@ -26,7 +26,8 @@
#include "tusb_option.h"
-#if (CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC40XX)
+#if TUSB_OPT_HOST_ENABLED && \
+ (CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC177X_8X || CFG_TUSB_MCU == OPT_MCU_LPC40XX)
#include "chip.h"
diff --git a/src/portable/renesas/usba/dcd_usba.c b/src/portable/renesas/usba/dcd_usba.c
new file mode 100644
index 000000000..06ea1a3f9
--- /dev/null
+++ b/src/portable/renesas/usba/dcd_usba.c
@@ -0,0 +1,736 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Koji Kitayama
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include "tusb_option.h"
+
+#if TUSB_OPT_DEVICE_ENABLED && ( CFG_TUSB_MCU == OPT_MCU_RX63X )
+
+#include "device/dcd.h"
+#include "iodefine.h"
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM DECLARATION
+//--------------------------------------------------------------------+
+#define SYSTEM_PRCR_PRC1 (1<<1)
+#define SYSTEM_PRCR_PRKEY (0xA5u<<8)
+
+#define USB_FIFOSEL_TX ((uint16_t)(1u<<5))
+#define USB_FIFOSEL_MBW_8 ((uint16_t)(0u<<10))
+#define USB_FIFOSEL_MBW_16 ((uint16_t)(1u<<10))
+#define USB_IS0_CTSQ ((uint16_t)(7u))
+#define USB_IS0_DVSQ ((uint16_t)(7u<<4))
+#define USB_IS0_VALID ((uint16_t)(1u<<3))
+#define USB_IS0_BRDY ((uint16_t)(1u<<8))
+#define USB_IS0_NRDY ((uint16_t)(1u<<9))
+#define USB_IS0_BEMP ((uint16_t)(1u<<10))
+#define USB_IS0_CTRT ((uint16_t)(1u<<11))
+#define USB_IS0_DVST ((uint16_t)(1u<<12))
+#define USB_IS0_SOFR ((uint16_t)(1u<<13))
+#define USB_IS0_RESM ((uint16_t)(1u<<14))
+#define USB_IS0_VBINT ((uint16_t)(1u<<15))
+#define USB_IS1_SACK ((uint16_t)(1u<<4))
+#define USB_IS1_SIGN ((uint16_t)(1u<<5))
+#define USB_IS1_EOFERR ((uint16_t)(1u<<6))
+#define USB_IS1_ATTCH ((uint16_t)(1u<<11))
+#define USB_IS1_DTCH ((uint16_t)(1u<<12))
+#define USB_IS1_BCHG ((uint16_t)(1u<<14))
+#define USB_IS1_OVRCR ((uint16_t)(1u<<15))
+
+#define USB_IS0_CTSQ_MSK (7u)
+#define USB_IS0_CTSQ_SETUP (1u)
+#define USB_IS0_DVSQ_DEF (1u<<4)
+#define USB_IS0_DVSQ_ADDR (2u<<4)
+#define USB_IS0_DVSQ_SUSP (4u<<4)
+
+#define USB_PIPECTR_PID_NAK (0u)
+#define USB_PIPECTR_PID_BUF (1u)
+#define USB_PIPECTR_PID_STALL (2u)
+#define USB_PIPECTR_CCPL (1u<<2)
+#define USB_PIPECTR_SQMON (1u<<6)
+#define USB_PIPECTR_SQCLR (1u<<8)
+#define USB_PIPECTR_ACLRM (1u<<9)
+#define USB_PIPECTR_INBUFM (1u<<14)
+#define USB_PIPECTR_BSTS (1u<<15)
+
+#define USB_FIFOCTR_DTLN (0x1FF)
+#define USB_FIFOCTR_FRDY (1u<<13)
+#define USB_FIFOCTR_BCLR (1u<<14)
+#define USB_FIFOCTR_BVAL (1u<<15)
+
+#define USB_PIPECFG_SHTNAK (1u<<7)
+#define USB_PIPECFG_DBLB (1u<<9)
+#define USB_PIPECFG_BULK (1u<<14)
+#define USB_PIPECFG_ISO (3u<<14)
+#define USB_PIPECFG_INT (2u<<14)
+
+#define FIFO_REQ_CLR (1u)
+#define FIFO_COMPLETE (1u<<1)
+
+typedef struct {
+ union {
+ struct {
+ uint16_t : 8;
+ uint16_t TRCLR: 1;
+ uint16_t TRENB: 1;
+ uint16_t : 0;
+ };
+ uint16_t TRE;
+ };
+ uint16_t TRN;
+} reg_pipetre_t;
+
+typedef union {
+ struct {
+ volatile uint16_t u8: 8;
+ volatile uint16_t : 0;
+ };
+ volatile uint16_t u16;
+} hw_fifo_t;
+
+typedef struct TU_ATTR_PACKED
+{
+ uintptr_t addr; /* the start address of a transfer data buffer */
+ uint16_t length; /* the number of bytes in the buffer */
+ uint16_t remaining; /* the number of bytes remaining in the buffer */
+ struct {
+ uint32_t ep : 8; /* an assigned endpoint address */
+ uint32_t : 0;
+ };
+} pipe_state_t;
+
+typedef struct
+{
+ pipe_state_t pipe[9];
+ uint8_t ep[2][16]; /* a lookup table for a pipe index from an endpoint address */
+} dcd_data_t;
+
+//--------------------------------------------------------------------+
+// INTERNAL OBJECT & FUNCTION DECLARATION
+//--------------------------------------------------------------------+
+CFG_TUSB_MEM_SECTION static dcd_data_t _dcd;
+
+static uint32_t disable_interrupt(void)
+{
+ uint32_t pswi;
+ pswi = __builtin_rx_mvfc(0) & 0x010000;
+ __builtin_rx_clrpsw('I');
+ return pswi;
+}
+
+static void enable_interrupt(uint32_t pswi)
+{
+ __builtin_rx_mvtc(0, __builtin_rx_mvfc(0) | pswi);
+}
+
+static unsigned find_pipe(unsigned xfer)
+{
+ switch (xfer) {
+ case TUSB_XFER_ISOCHRONOUS:
+ for (int i = 1; i <= 2; ++i) {
+ if (0 == _dcd.pipe[i].ep) return i;
+ }
+ break;
+ case TUSB_XFER_BULK:
+ for (int i = 3; i <= 5; ++i) {
+ if (0 == _dcd.pipe[i].ep) return i;
+ }
+ for (int i = 1; i <= 1; ++i) {
+ if (0 == _dcd.pipe[i].ep) return i;
+ }
+ break;
+ case TUSB_XFER_INTERRUPT:
+ for (int i = 6; i <= 9; ++i) {
+ if (0 == _dcd.pipe[i].ep) return i;
+ }
+ break;
+ default:
+ /* No support for control transfer */
+ break;
+ }
+ return 0;
+}
+
+static volatile uint16_t* get_pipectr(unsigned num)
+{
+ volatile uint16_t *ctr = NULL;
+ if (num) {
+ ctr = (volatile uint16_t*)&USB0.PIPE1CTR.WORD;
+ ctr += num - 1;
+ } else {
+ ctr = (volatile uint16_t*)&USB0.DCPCTR.WORD;
+ }
+ return ctr;
+}
+
+static volatile reg_pipetre_t* get_pipetre(unsigned num)
+{
+ volatile reg_pipetre_t* tre = NULL;
+ if ((1 <= num) && (num <= 5)) {
+ tre = (volatile reg_pipetre_t*)&USB0.PIPE1TRE.WORD;
+ tre += num - 1;
+ }
+ return tre;
+}
+
+static volatile uint16_t* ep_addr_to_pipectr(uint8_t rhport, unsigned ep_addr)
+{
+ (void)rhport;
+ volatile uint16_t *ctr = NULL;
+ const unsigned epn = tu_edpt_number(ep_addr);
+ if (epn) {
+ const unsigned dir = tu_edpt_dir(ep_addr);
+ const unsigned num = _dcd.ep[dir][epn];
+ if (num) {
+ ctr = (volatile uint16_t*)&USB0.PIPE1CTR.WORD;
+ ctr += num - 1;
+ }
+ } else {
+ ctr = (volatile uint16_t*)&USB0.DCPCTR.WORD;
+ }
+ return ctr;
+}
+
+static unsigned wait_for_pipe_ready(void)
+{
+ unsigned ctr;
+ do {
+ ctr = USB0.D0FIFOCTR.WORD;
+ } while (!(ctr & USB_FIFOCTR_FRDY));
+ return ctr;
+}
+
+static unsigned select_pipe(unsigned num, unsigned attr)
+{
+ USB0.PIPESEL.WORD = num;
+ USB0.D0FIFOSEL.WORD = num | attr;
+ while (!(USB0.D0FIFOSEL.BIT.CURPIPE != num)) ;
+ return wait_for_pipe_ready();
+}
+
+/* 1 less than mps bytes were written to FIFO
+ * 2 no bytes were written to FIFO
+ * 0 mps bytes were written to FIFO */
+static int fifo_write(volatile void *fifo, pipe_state_t* pipe, unsigned mps)
+{
+ unsigned rem = pipe->remaining;
+ if (!rem) return 2;
+ unsigned len = TU_MIN(rem, mps);
+
+ hw_fifo_t *reg = (hw_fifo_t*)fifo;
+ uintptr_t addr = pipe->addr + pipe->length - rem;
+ if (addr & 1u) {
+ /* addr is not 2-byte aligned */
+ reg->u8 = *(const uint8_t *)addr;
+ ++addr;
+ --len;
+ }
+ while (len >= 2) {
+ reg->u16 = *(const uint16_t *)addr;
+ addr += 2;
+ len -= 2;
+ }
+ if (len) {
+ reg->u8 = *(const uint8_t *)addr;
+ ++addr;
+ }
+ if (rem < mps) return 1;
+ return 0;
+}
+
+/* 1 less than mps bytes were read from FIFO
+ * 2 the end of the buffer reached.
+ * 0 mps bytes were read from FIFO */
+static int fifo_read(volatile void *fifo, pipe_state_t* pipe, unsigned mps, size_t len)
+{
+ unsigned rem = pipe->remaining;
+ if (!rem) return 2;
+ if (rem < len) len = rem;
+ pipe->remaining = rem - len;
+
+ hw_fifo_t *reg = (hw_fifo_t*)fifo;
+ uintptr_t addr = pipe->addr;
+ unsigned loop = len;
+ while (loop--) {
+ *(uint8_t *)addr = reg->u8;
+ ++addr;
+ }
+ pipe->addr = addr;
+ if (rem < mps) return 1;
+ if (rem == len) return 2;
+ return 0;
+}
+
+static void process_setup_packet(uint8_t rhport)
+{
+ uint16_t setup_packet[4];
+ if (0 == (USB0.INTSTS0.WORD & USB_IS0_VALID)) return;
+ USB0.CFIFOCTR.WORD = USB_FIFOCTR_BCLR;
+ setup_packet[0] = USB0.USBREQ.WORD;
+ setup_packet[1] = USB0.USBVAL;
+ setup_packet[2] = USB0.USBINDX;
+ setup_packet[3] = USB0.USBLENG;
+ USB0.INTSTS0.WORD = ~USB_IS0_VALID;
+ dcd_event_setup_received(rhport, (const uint8_t*)&setup_packet[0], true);
+}
+
+static void process_status_completion(uint8_t rhport)
+{
+ uint8_t ep_addr;
+ /* Check the data stage direction */
+ if (USB0.CFIFOSEL.WORD & USB_FIFOSEL_TX) {
+ /* IN transfer. */
+ ep_addr = tu_edpt_addr(0, TUSB_DIR_IN);
+ } else {
+ /* OUT transfer. */
+ ep_addr = tu_edpt_addr(0, TUSB_DIR_OUT);
+ }
+ dcd_event_xfer_complete(rhport, ep_addr, 0, XFER_RESULT_SUCCESS, true);
+}
+
+static bool process_edpt0_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes)
+{
+ (void)rhport;
+
+ pipe_state_t *pipe = &_dcd.pipe[0];
+ /* configure fifo direction and access unit settings */
+ if (ep_addr) { /* IN, 2 bytes */
+ USB0.CFIFOSEL.WORD = USB_FIFOSEL_TX | USB_FIFOSEL_MBW_16;
+ while (!(USB0.CFIFOSEL.WORD & USB_FIFOSEL_TX)) ;
+ } else { /* OUT, a byte */
+ USB0.CFIFOSEL.WORD = USB_FIFOSEL_MBW_8;
+ while (USB0.CFIFOSEL.WORD & USB_FIFOSEL_TX) ;
+ }
+ if (total_bytes) {
+ pipe->addr = (uintptr_t)buffer;
+ pipe->length = total_bytes;
+ pipe->remaining = total_bytes;
+ if (ep_addr) { /* IN */
+ TU_ASSERT(USB0.DCPCTR.BIT.BSTS && (USB0.USBREQ.WORD & 0x80));
+ if (fifo_write(&USB0.CFIFO.WORD, pipe, 64)) {
+ USB0.CFIFOCTR.WORD = USB_FIFOCTR_BVAL;
+ }
+ }
+ USB0.DCPCTR.WORD = USB_PIPECTR_PID_BUF;
+ } else {
+ /* ZLP */
+ pipe->addr = 0;
+ pipe->length = 0;
+ pipe->remaining = 0;
+ USB0.DCPCTR.WORD = USB_PIPECTR_CCPL | USB_PIPECTR_PID_BUF;
+ }
+ return true;
+}
+
+static void process_edpt0_bemp(uint8_t rhport)
+{
+ pipe_state_t *pipe = &_dcd.pipe[0];
+ const unsigned rem = pipe->remaining;
+ if (rem > 64) {
+ pipe->remaining = rem - 64;
+ int r = fifo_write(&USB0.CFIFO.WORD, &_dcd.pipe[0], 64);
+ if (r) USB0.CFIFOCTR.WORD = USB_FIFOCTR_BVAL;
+ return;
+ }
+ pipe->addr = 0;
+ pipe->remaining = 0;
+ dcd_event_xfer_complete(rhport, tu_edpt_addr(0, TUSB_DIR_IN),
+ pipe->length, XFER_RESULT_SUCCESS, true);
+}
+
+static void process_edpt0_brdy(uint8_t rhport)
+{
+ size_t len = USB0.CFIFOCTR.BIT.DTLN;
+ int cplt = fifo_read(&USB0.CFIFO.WORD, &_dcd.pipe[0], 64, len);
+ if (cplt || (len < 64)) {
+ if (2 != cplt) {
+ USB0.CFIFOCTR.WORD = USB_FIFOCTR_BCLR;
+ }
+ dcd_event_xfer_complete(rhport, tu_edpt_addr(0, TUSB_DIR_OUT),
+ _dcd.pipe[0].length - _dcd.pipe[0].remaining,
+ XFER_RESULT_SUCCESS, true);
+ }
+}
+
+static bool process_pipe_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes)
+{
+ (void)rhport;
+
+ const unsigned epn = tu_edpt_number(ep_addr);
+ const unsigned dir = tu_edpt_dir(ep_addr);
+ const unsigned num = _dcd.ep[dir][epn];
+
+ TU_ASSERT(num);
+
+ pipe_state_t *pipe = &_dcd.pipe[num];
+ pipe->addr = (uintptr_t)buffer;
+ pipe->length = total_bytes;
+ pipe->remaining = total_bytes;
+
+ USB0.PIPESEL.WORD = num;
+ const unsigned mps = USB0.PIPEMAXP.WORD;
+ if (dir) { /* IN */
+ USB0.D0FIFOSEL.WORD = num | USB_FIFOSEL_MBW_16;
+ while (!(USB0.D0FIFOSEL.BIT.CURPIPE != num)) ;
+ int r = fifo_write(&USB0.D0FIFO.WORD, pipe, mps);
+ if (r) USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
+ USB0.D0FIFOSEL.WORD = 0;
+ } else {
+ volatile reg_pipetre_t *pt = get_pipetre(num);
+ if (pt) {
+ volatile uint16_t *ctr = get_pipectr(num);
+ if (*ctr & 0x3) *ctr = USB_PIPECTR_PID_NAK;
+ pt->TRE = TU_BIT(8);
+ pt->TRN = (total_bytes + mps - 1) / mps;
+ pt->TRENB = 1;
+ *ctr = USB_PIPECTR_PID_BUF;
+ }
+ }
+ // TU_LOG1("X %x %d\r\n", ep_addr, total_bytes);
+ return true;
+}
+
+static void process_pipe_brdy(uint8_t rhport, unsigned num)
+{
+ pipe_state_t *pipe = &_dcd.pipe[num];
+ if (tu_edpt_dir(pipe->ep)) { /* IN */
+ select_pipe(num, USB_FIFOSEL_MBW_16);
+ const unsigned mps = USB0.PIPEMAXP.WORD;
+ unsigned rem = pipe->remaining;
+ rem -= TU_MIN(rem, mps);
+ pipe->remaining = rem;
+ if (rem) {
+ int r = 0;
+ r = fifo_write(&USB0.D0FIFO.WORD, pipe, mps);
+ if (r) USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
+ USB0.D0FIFOSEL.WORD = 0;
+ return;
+ }
+ USB0.D0FIFOSEL.WORD = 0;
+ pipe->addr = 0;
+ pipe->remaining = 0;
+ dcd_event_xfer_complete(rhport, pipe->ep, pipe->length,
+ XFER_RESULT_SUCCESS, true);
+ } else {
+ const unsigned ctr = select_pipe(num, USB_FIFOSEL_MBW_8);
+ const unsigned len = ctr & USB_FIFOCTR_DTLN;
+ const unsigned mps = USB0.PIPEMAXP.WORD;
+ int cplt = fifo_read(&USB0.D0FIFO.WORD, pipe, mps, len);
+ if (cplt || (len < mps)) {
+ if (2 != cplt) {
+ USB0.D0FIFO.WORD = USB_FIFOCTR_BCLR;
+ }
+ USB0.D0FIFOSEL.WORD = 0;
+ dcd_event_xfer_complete(rhport, pipe->ep,
+ pipe->length - pipe->remaining,
+ XFER_RESULT_SUCCESS, true);
+ return;
+ }
+ USB0.D0FIFOSEL.WORD = 0;
+ }
+}
+
+static void process_bus_reset(uint8_t rhport)
+{
+ USB0.BEMPENB.WORD = 1;
+ USB0.BRDYENB.WORD = 1;
+ USB0.CFIFOCTR.WORD = USB_FIFOCTR_BCLR;
+ USB0.D0FIFOSEL.WORD = 0;
+ USB0.D1FIFOSEL.WORD = 0;
+ volatile uint16_t *ctr = (volatile uint16_t*)((uintptr_t)(&USB0.PIPE1CTR.WORD));
+ volatile uint16_t *tre = (volatile uint16_t*)((uintptr_t)(&USB0.PIPE1TRE.WORD));
+ for (int i = 1; i <= 5; ++i) {
+ USB0.PIPESEL.WORD = i;
+ USB0.PIPECFG.WORD = 0;
+ *ctr = USB_PIPECTR_ACLRM;
+ *ctr = 0;
+ ++ctr;
+ *tre = TU_BIT(8);
+ tre += 2;
+ }
+ for (int i = 6; i <= 9; ++i) {
+ USB0.PIPESEL.WORD = i;
+ USB0.PIPECFG.WORD = 0;
+ *ctr = USB_PIPECTR_ACLRM;
+ *ctr = 0;
+ ++ctr;
+ }
+ tu_varclr(&_dcd);
+ dcd_event_bus_reset(rhport, TUSB_SPEED_FULL, true);
+}
+
+static void process_set_address(uint8_t rhport)
+{
+ const uint32_t addr = USB0.USBADDR.BIT.USBADDR;
+ if (!addr) return;
+ const tusb_control_request_t setup_packet = {
+ .bmRequestType = 0,
+ .bRequest = 5,
+ .wValue = addr,
+ .wIndex = 0,
+ .wLength = 0,
+ };
+ dcd_event_setup_received(rhport, (const uint8_t*)&setup_packet, true);
+}
+
+/*------------------------------------------------------------------*/
+/* Device API
+ *------------------------------------------------------------------*/
+void dcd_init(uint8_t rhport)
+{
+ (void)rhport;
+ /* Enable USB0 */
+ uint32_t pswi = disable_interrupt();
+ SYSTEM.PRCR.WORD = SYSTEM_PRCR_PRKEY | SYSTEM_PRCR_PRC1;
+ MSTP(USB0) = 0;
+ SYSTEM.PRCR.WORD = SYSTEM_PRCR_PRKEY;
+ enable_interrupt(pswi);
+ USB0.SYSCFG.BIT.SCKE = 1;
+ while (!USB0.SYSCFG.BIT.SCKE) ;
+ USB0.SYSCFG.BIT.DRPD = 0;
+ USB0.SYSCFG.BIT.DCFM = 0;
+ USB0.SYSCFG.BIT.USBE = 1;
+
+ IR(USB0, USBI0) = 0;
+
+ /* Setup default control pipe */
+ USB0.DCPMAXP.BIT.MXPS = 64;
+ USB0.INTENB0.WORD = USB_IS0_VBINT | USB_IS0_BRDY | USB_IS0_BEMP | USB_IS0_DVST | USB_IS0_CTRT;
+ USB0.BEMPENB.WORD = 1;
+ USB0.BRDYENB.WORD = 1;
+
+ if (USB0.INTSTS0.BIT.VBSTS) {
+ dcd_connect(rhport);
+ }
+}
+
+void dcd_int_enable(uint8_t rhport)
+{
+ (void)rhport;
+ IEN(USB0, USBI0) = 1;
+}
+
+void dcd_int_disable(uint8_t rhport)
+{
+ (void)rhport;
+ IEN(USB0, USBI0) = 0;
+}
+
+void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
+{
+ (void)rhport;
+ (void)dev_addr;
+}
+
+void dcd_remote_wakeup(uint8_t rhport)
+{
+ (void)rhport;
+ /* TODO */
+}
+
+void dcd_connect(uint8_t rhport)
+{
+ (void)rhport;
+ USB0.SYSCFG.BIT.DPRPU = 1;
+}
+
+void dcd_disconnect(uint8_t rhport)
+{
+ (void)rhport;
+ USB0.SYSCFG.BIT.DPRPU = 0;
+}
+
+//--------------------------------------------------------------------+
+// Endpoint API
+//--------------------------------------------------------------------+
+bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
+{
+ (void)rhport;
+
+ const unsigned ep_addr = ep_desc->bEndpointAddress;
+ const unsigned epn = tu_edpt_number(ep_addr);
+ const unsigned dir = tu_edpt_dir(ep_addr);
+ const unsigned xfer = ep_desc->bmAttributes.xfer;
+
+ const unsigned mps = ep_desc->wMaxPacketSize.size;
+ if (xfer == TUSB_XFER_ISOCHRONOUS && mps > 256) {
+ /* USBa supports up to 256 bytes */
+ return false;
+ }
+
+ const unsigned num = find_pipe(xfer);
+ if (!num) return false;
+ _dcd.pipe[num].ep = ep_addr;
+ _dcd.ep[dir][epn] = num;
+
+ /* setup pipe */
+ dcd_int_disable(rhport);
+ USB0.PIPESEL.WORD = num;
+ USB0.PIPEMAXP.WORD = mps;
+ volatile uint16_t *ctr = get_pipectr(num);
+ *ctr = USB_PIPECTR_ACLRM;
+ *ctr = 0;
+ unsigned cfg = (dir << 4) | epn;
+ if (xfer == TUSB_XFER_BULK) {
+ cfg |= USB_PIPECFG_BULK | USB_PIPECFG_SHTNAK | USB_PIPECFG_DBLB;
+ } else if (xfer == TUSB_XFER_INTERRUPT) {
+ cfg |= USB_PIPECFG_INT;
+ } else {
+ cfg |= USB_PIPECFG_ISO | USB_PIPECFG_DBLB;
+ }
+ USB0.PIPECFG.WORD = cfg;
+ USB0.BRDYSTS.WORD = 0x1FFu ^ TU_BIT(num);
+ USB0.BRDYENB.WORD |= TU_BIT(num);
+ if (dir || (xfer != TUSB_XFER_BULK)) {
+ *ctr = USB_PIPECTR_PID_BUF;
+ }
+ // TU_LOG1("O %d %x %x\r\n", USB0.PIPESEL.WORD, USB0.PIPECFG.WORD, USB0.PIPEMAXP.WORD);
+ dcd_int_enable(rhport);
+
+ return true;
+}
+
+void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
+{
+ (void)rhport;
+ const unsigned epn = tu_edpt_number(ep_addr);
+ const unsigned dir = tu_edpt_dir(ep_addr);
+ const unsigned num = _dcd.ep[dir][epn];
+
+ USB0.BRDYENB.WORD &= ~TU_BIT(num);
+ volatile uint16_t *ctr = get_pipectr(num);
+ *ctr = 0;
+ USB0.PIPESEL.WORD = num;
+ USB0.PIPECFG.WORD = 0;
+ _dcd.pipe[num].ep = 0;
+ _dcd.ep[dir][epn] = 0;
+}
+
+bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes)
+{
+ bool r;
+ const unsigned epn = tu_edpt_number(ep_addr);
+ dcd_int_disable(rhport);
+ if (0 == epn) {
+ r = process_edpt0_xfer(rhport, ep_addr, buffer, total_bytes);
+ } else {
+ r = process_pipe_xfer(rhport, ep_addr, buffer, total_bytes);
+ }
+ dcd_int_enable(rhport);
+ return r;
+}
+
+void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
+{
+ volatile uint16_t *ctr = ep_addr_to_pipectr(rhport, ep_addr);
+ if (!ctr) return;
+ dcd_int_disable(rhport);
+ const uint32_t pid = *ctr & 0x3;
+ *ctr = pid | USB_PIPECTR_PID_STALL;
+ *ctr = USB_PIPECTR_PID_STALL;
+ dcd_int_enable(rhport);
+}
+
+void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
+{
+ volatile uint16_t *ctr = ep_addr_to_pipectr(rhport, ep_addr);
+ if (!ctr) return;
+ dcd_int_disable(rhport);
+ *ctr = USB_PIPECTR_SQCLR;
+
+ if (tu_edpt_dir(ep_addr)) { /* IN */
+ *ctr = USB_PIPECTR_PID_BUF;
+ } else {
+ const unsigned num = _dcd.ep[0][tu_edpt_number(ep_addr)];
+ USB0.PIPESEL.WORD = num;
+ if (USB0.PIPECFG.BIT.TYPE != 1) {
+ *ctr = USB_PIPECTR_PID_BUF;
+ }
+ }
+ dcd_int_enable(rhport);
+}
+
+//--------------------------------------------------------------------+
+// ISR
+//--------------------------------------------------------------------+
+void dcd_int_handler(uint8_t rhport)
+{
+ (void)rhport;
+
+ unsigned is0 = USB0.INTSTS0.WORD;
+ /* clear bits except VALID */
+ USB0.INTSTS0.WORD = USB_IS0_VALID;
+ if (is0 & USB_IS0_VBINT) {
+ if (USB0.INTSTS0.BIT.VBSTS) {
+ dcd_connect(rhport);
+ } else {
+ dcd_disconnect(rhport);
+ }
+ }
+ if (is0 & USB_IS0_DVST) {
+ switch (is0 & USB_IS0_DVSQ) {
+ case USB_IS0_DVSQ_DEF:
+ process_bus_reset(rhport);
+ break;
+ case USB_IS0_DVSQ_ADDR:
+ process_set_address(rhport);
+ break;
+ default:
+ break;
+ }
+ }
+ if (is0 & USB_IS0_CTRT) {
+ if (is0 & USB_IS0_CTSQ_SETUP) {
+ /* A setup packet has been received. */
+ process_setup_packet(rhport);
+ } else if (0 == (is0 & USB_IS0_CTSQ_MSK)) {
+ /* A ZLP has been sent/received. */
+ process_status_completion(rhport);
+ }
+ }
+ if (is0 & USB_IS0_BEMP) {
+ const unsigned s = USB0.BEMPSTS.WORD;
+ USB0.BEMPSTS.WORD = 0;
+ if (s & 1) {
+ process_edpt0_bemp(rhport);
+ }
+ }
+ if (is0 & USB_IS0_BRDY) {
+ const unsigned m = USB0.BRDYENB.WORD;
+ unsigned s = USB0.BRDYSTS.WORD & m;
+ USB0.BRDYSTS.WORD = 0;
+ if (s & 1) {
+ process_edpt0_brdy(rhport);
+ s &= ~1;
+ }
+ while (s) {
+ const unsigned num = __builtin_ctz(s);
+ process_pipe_brdy(rhport, num);
+ s &= ~TU_BIT(num);
+ }
+ }
+}
+
+#endif
diff --git a/src/portable/silabs/efm32/dcd_efm32.c b/src/portable/silabs/efm32/dcd_efm32.c
new file mode 100644
index 000000000..bd1f32e6b
--- /dev/null
+++ b/src/portable/silabs/efm32/dcd_efm32.c
@@ -0,0 +1,931 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Rafael Silva (@perigoso)
+ * Copyright (c) 2021 Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include "tusb_option.h"
+
+#if TUSB_OPT_DEVICE_ENABLED && ( \
+ (CFG_TUSB_MCU == OPT_MCU_EFM32GG) || \
+ (CFG_TUSB_MCU == OPT_MCU_EFM32GG11) || \
+ (CFG_TUSB_MCU == OPT_MCU_EFM32GG12) )
+
+/* Silabs */
+#include "em_device.h"
+
+#include "device/dcd.h"
+
+/*
+ * Since TinyUSB doesn't use SOF for now, and this interrupt too often (1ms interval)
+ * We disable SOF for now until needed later on
+ */
+#define USE_SOF 0
+
+/*
+ * Number of endpoints
+ * 12 software-configurable endpoints (6 IN, 6 OUT) in addition to endpoint 0
+ */
+#define EP_COUNT 7
+
+/* FIFO size in bytes */
+#define EP_FIFO_SIZE 2048
+
+/* Max number of IN EP FIFOs */
+#define EP_FIFO_NUM 7
+
+/* */
+typedef struct {
+ uint8_t *buffer;
+ uint16_t total_len;
+ uint16_t queued_len;
+ uint16_t max_size;
+ bool short_packet;
+} xfer_ctl_t;
+
+static uint32_t _setup_packet[2];
+
+#define XFER_CTL_BASE(_ep, _dir) &xfer_status[_ep][_dir]
+static xfer_ctl_t xfer_status[EP_COUNT][2];
+
+/* Keep count of how many FIFOs are in use */
+static uint8_t _allocated_fifos = 1; /* FIFO0 is always in use */
+
+static volatile uint32_t* tx_fifo[EP_FIFO_NUM] = {
+ USB->FIFO0D,
+ USB->FIFO1D,
+ USB->FIFO2D,
+ USB->FIFO3D,
+ USB->FIFO4D,
+ USB->FIFO5D,
+ USB->FIFO6D,
+};
+
+/* Register Helpers */
+#define DCTL_WO_BITMASK (USB_DCTL_CGOUTNAK | USB_DCTL_SGOUTNAK | USB_DCTL_CGNPINNAK | USB_DCTL_SGNPINNAK)
+#define GUSBCFG_WO_BITMASK (USB_GUSBCFG_CORRUPTTXPKT)
+#define DEPCTL_WO_BITMASK (USB_DIEP_CTL_CNAK | USB_DIEP_CTL_SNAK | USB_DIEP_CTL_SETD0PIDEF | USB_DIEP_CTL_SETD1PIDOF)
+
+/* Will either return an unused FIFO number, or 0 if all are used. */
+static uint8_t get_free_fifo(void)
+{
+ if(_allocated_fifos < EP_FIFO_NUM) return _allocated_fifos++;
+ return 0;
+}
+
+/*
+static void flush_rx_fifo(void)
+{
+ USB->GRSTCTL = USB_GRSTCTL_RXFFLSH;
+ while(USB->GRSTCTL & USB_GRSTCTL_RXFFLSH);
+}
+*/
+
+static void flush_tx_fifo(uint8_t fifo_num)
+{
+ USB->GRSTCTL = USB_GRSTCTL_TXFFLSH | (fifo_num << _USB_GRSTCTL_TXFNUM_SHIFT);
+ while(USB->GRSTCTL & USB_GRSTCTL_TXFFLSH);
+}
+
+/* Setup the control endpoint 0. */
+static void bus_reset(void)
+{
+ USB->DOEP0CTL |= USB_DIEP_CTL_SNAK;
+ for(uint8_t i = 0; i < EP_COUNT - 1; i++)
+ {
+ USB->DOEP[i].CTL |= USB_DIEP_CTL_SNAK;
+ }
+
+ /* reset address */
+ USB->DCFG &= ~_USB_DCFG_DEVADDR_MASK;
+
+ USB->DAINTMSK |= USB_DAINTMSK_OUTEPMSK0 | USB_DAINTMSK_INEPMSK0;
+ USB->DOEPMSK |= USB_DOEPMSK_SETUPMSK | USB_DOEPMSK_XFERCOMPLMSK;
+ USB->DIEPMSK |= USB_DIEPMSK_TIMEOUTMSK | USB_DIEPMSK_XFERCOMPLMSK;
+
+ /*
+ * - All EP OUT shared a unique OUT FIFO which uses
+ * * 10 locations in hardware for setup packets + setup control words (up to 3 setup packets).
+ * * 2 locations for OUT endpoint control words.
+ * * 16 for largest packet size of 64 bytes. ( TODO Highspeed is 512 bytes)
+ * * 1 location for global NAK (not required/used here).
+ * * It is recommended to allocate 2 times the largest packet size, therefore
+ * Recommended value = 10 + 1 + 2 x (16+2) = 47 --> Let's make it 52
+ */
+ flush_tx_fifo(_USB_GRSTCTL_TXFNUM_FALL); // Flush All
+ USB->GRXFSIZ = 52;
+
+ /* Control IN uses FIFO 0 with 64 bytes ( 16 32-bit word ) */
+ USB->GNPTXFSIZ = (16 << _USB_GNPTXFSIZ_NPTXFINEPTXF0DEP_SHIFT) | (USB->GRXFSIZ & _USB_GNPTXFSIZ_NPTXFSTADDR_MASK);
+
+ /* Ready to receive SETUP packet */
+ USB->DOEP0TSIZ |= (1 << _USB_DOEP0TSIZ_SUPCNT_SHIFT);
+
+ USB->GINTMSK |= USB_GINTMSK_IEPINTMSK | USB_GINTMSK_OEPINTMSK;
+}
+
+static void enum_done_processing(void)
+{
+ /* Maximum packet size for EP 0 is set for both directions by writing DIEPCTL */
+ if((USB->DSTS & _USB_DSTS_ENUMSPD_MASK) == USB_DSTS_ENUMSPD_FS)
+ {
+ /* Full Speed (PHY on 48 MHz) */
+ USB->DOEP0CTL = (USB->DOEP0CTL & ~_USB_DOEP0CTL_MPS_MASK) | _USB_DOEP0CTL_MPS_64B; /* Maximum Packet Size 64 bytes */
+ USB->DOEP0CTL &= ~_USB_DOEP0CTL_STALL_MASK; /* clear Stall */
+ xfer_status[0][TUSB_DIR_OUT].max_size = 64;
+ xfer_status[0][TUSB_DIR_IN].max_size = 64;
+ }
+ else
+ {
+ /* Low Speed (PHY on 6 MHz) */
+ USB->DOEP0CTL = (USB->DOEP0CTL & ~_USB_DOEP0CTL_MPS_MASK) | _USB_DOEP0CTL_MPS_8B; /* Maximum Packet Size 64 bytes */
+ USB->DOEP0CTL &= ~_USB_DOEP0CTL_STALL_MASK; /* clear Stall */
+ xfer_status[0][TUSB_DIR_OUT].max_size = 8;
+ xfer_status[0][TUSB_DIR_IN].max_size = 8;
+ }
+}
+
+
+/*------------------------------------------------------------------*/
+/* Controller API */
+/*------------------------------------------------------------------*/
+void dcd_init(uint8_t rhport)
+{
+ (void) rhport;
+
+ /* Reset Core */
+ USB->PCGCCTL &= ~USB_PCGCCTL_STOPPCLK;
+ USB->PCGCCTL &= ~(USB_PCGCCTL_PWRCLMP | USB_PCGCCTL_RSTPDWNMODULE);
+
+ /* Core Soft Reset */
+ USB->GRSTCTL |= USB_GRSTCTL_CSFTRST;
+ while(USB->GRSTCTL & USB_GRSTCTL_CSFTRST);
+
+ while(!(USB->GRSTCTL & USB_GRSTCTL_AHBIDLE));
+
+ /* Enable PHY pins */
+ USB->ROUTE = USB_ROUTE_PHYPEN;
+
+ dcd_disconnect(rhport);
+
+ /*
+ * Set device speed (Full speed PHY)
+ * Stall on non-zero len status OUT packets (ctrl transfers)
+ * periodic frame interval to 80%
+ */
+ USB->DCFG = (USB->DCFG & ~(_USB_DCFG_DEVSPD_MASK | _USB_DCFG_PERFRINT_MASK)) | USB_DCFG_DEVSPD_FS | USB_DCFG_NZSTSOUTHSHK;
+
+ /* Enable Global Interrupts */
+ USB->GAHBCFG = (USB->GAHBCFG & ~_USB_GAHBCFG_HBSTLEN_MASK) | USB_GAHBCFG_GLBLINTRMSK;
+
+ /* Force Device Mode */
+ USB->GUSBCFG = (USB->GUSBCFG & ~(GUSBCFG_WO_BITMASK | USB_GUSBCFG_FORCEHSTMODE)) | USB_GUSBCFG_FORCEDEVMODE;
+
+ /* No Overrides */
+ USB->GOTGCTL &= ~(USB_GOTGCTL_BVALIDOVVAL | USB_GOTGCTL_BVALIDOVEN | USB_GOTGCTL_VBVALIDOVVAL);
+
+ /* Ignore frame numbers on ISO transfers. */
+ USB->DCTL = (USB->DCTL & ~DCTL_WO_BITMASK) | USB_DCTL_IGNRFRMNUM;
+
+ /* Setting SNAKs */
+ USB->DOEP0CTL |= USB_DIEP_CTL_SNAK;
+ for(uint8_t i = 0; i < EP_COUNT - 1; i++)
+ {
+ USB->DOEP[i].CTL |= USB_DIEP_CTL_SNAK;
+ }
+
+ /* D. Interruption masking */
+ /* Disable all device interrupts */
+ USB->DIEPMSK = 0;
+ USB->DOEPMSK = 0;
+ USB->DAINTMSK = 0;
+ USB->DIEPEMPMSK = 0;
+ USB->GINTMSK = 0;
+ USB->GOTGINT = ~0U; /* clear OTG ints */
+ USB->GINTSTS = ~0U; /* clear pending ints */
+ USB->GINTMSK = USB_GINTMSK_MODEMISMSK |
+ #if USE_SOF
+ USB_GINTMSK_SOFMSK |
+ #endif
+ USB_GINTMSK_ERLYSUSPMSK |
+ USB_GINTMSK_USBSUSPMSK |
+ USB_GINTMSK_USBRSTMSK |
+ USB_GINTMSK_ENUMDONEMSK |
+ USB_GINTMSK_RESETDETMSK |
+ USB_GINTMSK_DISCONNINTMSK;
+
+ NVIC_ClearPendingIRQ(USB_IRQn);
+
+ dcd_connect(rhport);
+}
+
+void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
+{
+ (void) rhport;
+
+ USB->DCFG = (USB->DCFG & ~_USB_DCFG_DEVADDR_MASK) | (dev_addr << _USB_DCFG_DEVADDR_SHIFT);
+
+ /* Response with status after changing device address */
+ dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_IN), NULL, 0);
+}
+
+void dcd_remote_wakeup(uint8_t rhport)
+{
+ (void) rhport;
+}
+
+void dcd_connect(uint8_t rhport)
+{
+ (void) rhport;
+
+ /* connect by enabling internal pull-up resistor on D+/D- */
+ USB->DCTL &= ~(DCTL_WO_BITMASK | USB_DCTL_SFTDISCON);
+}
+
+void dcd_disconnect(uint8_t rhport)
+{
+ (void) rhport;
+
+ /* disconnect by disabling internal pull-up resistor on D+/D- */
+ USB->DCTL = (USB->DCTL & ~(DCTL_WO_BITMASK)) | USB_DCTL_SFTDISCON;
+}
+
+/*------------------------------------------------------------------*/
+/* DCD Endpoint Port */
+/*------------------------------------------------------------------*/
+void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
+{
+ (void) rhport;
+
+ uint8_t const epnum = tu_edpt_number(ep_addr);
+ uint8_t const dir = tu_edpt_dir(ep_addr);
+
+ if(dir == TUSB_DIR_IN)
+ {
+ if(epnum == 0)
+ {
+ USB->DIEP0CTL = (USB->DIEP0CTL & ~DEPCTL_WO_BITMASK) | USB_DIEP0CTL_SNAK | USB_DIEP0CTL_STALL;
+
+ flush_tx_fifo(_USB_GRSTCTL_TXFNUM_F0);
+ }
+ else
+ {
+ /* Only disable currently enabled non-control endpoint */
+ if(USB->DIEP[epnum - 1].CTL & USB_DIEP_CTL_EPENA)
+ {
+ USB->DIEP[epnum - 1].CTL = (USB->DIEP[epnum - 1].CTL & ~DEPCTL_WO_BITMASK) | USB_DIEP_CTL_EPDIS | USB_DIEP_CTL_SNAK | USB_DIEP_CTL_STALL;
+ while(!(USB->DIEP[epnum - 1].INT & USB_DIEP_INT_EPDISBLD));
+ USB->DIEP[epnum - 1].INT |= USB_DIEP_INT_EPDISBLD;
+ }
+ else
+ {
+ USB->DIEP[epnum - 1].CTL = (USB->DIEP[epnum - 1].CTL & ~DEPCTL_WO_BITMASK) | USB_DIEP_CTL_SNAK | USB_DIEP_CTL_STALL;
+ }
+
+ /* Flush the FIFO */
+ uint8_t const fifo_num = ((USB->DIEP[epnum - 1].CTL & _USB_DIEP_CTL_TXFNUM_MASK) >> _USB_DIEP_CTL_TXFNUM_SHIFT);
+ flush_tx_fifo(fifo_num);
+ }
+ }
+ else
+ {
+ if(epnum == 0)
+ {
+ USB->DOEP0CTL = (USB->DOEP0CTL & ~DEPCTL_WO_BITMASK) | USB_DIEP0CTL_STALL;
+ }
+ else
+ {
+ /* Only disable currently enabled non-control endpoint */
+ if(USB->DOEP[epnum - 1].CTL & USB_DIEP_CTL_EPENA)
+ {
+ /* Asserting GONAK is required to STALL an OUT endpoint. */
+ USB->DCTL |= USB_DCTL_SGOUTNAK;
+ while(!(USB->GINTSTS & USB_GINTSTS_GOUTNAKEFF));
+
+ /* Disable the endpoint. Note that only STALL and not SNAK is set here. */
+ USB->DOEP[epnum - 1].CTL = (USB->DOEP[epnum - 1].CTL & ~DEPCTL_WO_BITMASK) | USB_DIEP_CTL_EPDIS | USB_DIEP_CTL_STALL;
+ while(USB->DOEP[epnum - 1].INT & USB_DIEP_INT_EPDISBLD);
+ USB->DOEP[epnum - 1].INT |= USB_DIEP_INT_EPDISBLD;
+
+ /* Allow other OUT endpoints to keep receiving. */
+ USB->DCTL |= USB_DCTL_CGOUTNAK;
+ }
+ else
+ {
+ USB->DIEP[epnum - 1].CTL = (USB->DIEP[epnum - 1].CTL & ~DEPCTL_WO_BITMASK) | USB_DIEP_CTL_STALL;
+ }
+ }
+ }
+}
+
+void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
+{
+ (void) rhport;
+
+ uint8_t const epnum = tu_edpt_number(ep_addr);
+ uint8_t const dir = tu_edpt_dir(ep_addr);
+
+ if(dir == TUSB_DIR_IN)
+ {
+ if(epnum == 0)
+ {
+ USB->DIEP0CTL &= ~(DEPCTL_WO_BITMASK | USB_DIEP0CTL_STALL);
+ }
+ else
+ {
+ USB->DIEP[epnum - 1].CTL &= ~(DEPCTL_WO_BITMASK | USB_DIEP_CTL_STALL);
+
+ /* Required by USB spec to reset DATA toggle bit to DATA0 on interrupt and bulk endpoints. */
+ uint8_t eptype = (USB->DIEP[epnum - 1].CTL & _USB_DIEP_CTL_EPTYPE_MASK) >> _USB_DIEP_CTL_EPTYPE_SHIFT;
+
+ if((eptype == _USB_DIEP_CTL_EPTYPE_BULK) || (eptype == _USB_DIEP_CTL_EPTYPE_INT))
+ {
+ USB->DIEP[epnum - 1].CTL |= USB_DIEP_CTL_SETD0PIDEF;
+ }
+ }
+ }
+ else
+ {
+ if(epnum == 0)
+ {
+ USB->DOEP0CTL &= ~(DEPCTL_WO_BITMASK | USB_DOEP0CTL_STALL);
+ }
+ else
+ {
+ USB->DOEP[epnum - 1].CTL &= ~(DEPCTL_WO_BITMASK | USB_DOEP_CTL_STALL);
+
+ /* Required by USB spec to reset DATA toggle bit to DATA0 on interrupt and bulk endpoints. */
+ uint8_t eptype = (USB->DOEP[epnum - 1].CTL & _USB_DOEP_CTL_EPTYPE_MASK) >> _USB_DOEP_CTL_EPTYPE_SHIFT;
+
+ if((eptype == _USB_DOEP_CTL_EPTYPE_BULK) || (eptype == _USB_DOEP_CTL_EPTYPE_INT))
+ {
+ USB->DOEP[epnum - 1].CTL |= USB_DOEP_CTL_SETD0PIDEF;
+ }
+ }
+ }
+}
+
+bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
+{
+ (void)rhport;
+
+ uint8_t const epnum = tu_edpt_number(p_endpoint_desc->bEndpointAddress);
+ uint8_t const dir = tu_edpt_dir(p_endpoint_desc->bEndpointAddress);
+
+ TU_ASSERT(p_endpoint_desc->wMaxPacketSize.size <= 64);
+ TU_ASSERT(epnum < EP_COUNT);
+ TU_ASSERT(epnum != 0);
+
+ xfer_ctl_t *xfer = XFER_CTL_BASE(epnum, dir);
+ xfer->max_size = p_endpoint_desc->wMaxPacketSize.size;
+
+ if(dir == TUSB_DIR_OUT)
+ {
+ USB->DOEP[epnum - 1].CTL |= USB_DOEP_CTL_USBACTEP |
+ (p_endpoint_desc->bmAttributes.xfer << _USB_DOEP_CTL_EPTYPE_SHIFT) |
+ (p_endpoint_desc->wMaxPacketSize.size << _USB_DOEP_CTL_MPS_SHIFT);
+ USB->DAINTMSK |= (1 << (_USB_DAINTMSK_OUTEPMSK0_SHIFT + epnum));
+ }
+ else
+ {
+ uint8_t fifo_num = get_free_fifo();
+ TU_ASSERT(fifo_num != 0);
+
+ USB->DIEP[epnum - 1].CTL &= ~(_USB_DIEP_CTL_TXFNUM_MASK | _USB_DIEP_CTL_EPTYPE_MASK | USB_DIEP_CTL_SETD0PIDEF | _USB_DIEP_CTL_MPS_MASK);
+ USB->DIEP[epnum - 1].CTL |= USB_DIEP_CTL_USBACTEP |
+ (fifo_num << _USB_DIEP_CTL_TXFNUM_SHIFT) |
+ (p_endpoint_desc->bmAttributes.xfer << _USB_DIEP_CTL_EPTYPE_SHIFT) |
+ ((p_endpoint_desc->bmAttributes.xfer != TUSB_XFER_ISOCHRONOUS) ? USB_DIEP_CTL_SETD0PIDEF : 0) |
+ (p_endpoint_desc->wMaxPacketSize.size << 0);
+
+ USB->DAINTMSK |= (1 << epnum);
+
+ /* Both TXFD and TXSA are in unit of 32-bit words. */
+ /* IN FIFO 0 was configured during enumeration, hence the "+ 16". */
+ uint16_t const allocated_size = (USB->GRXFSIZ & _USB_GRXFSIZ_RXFDEP_MASK) + 16;
+ uint16_t const fifo_size = (EP_FIFO_SIZE/4 - allocated_size) / (EP_FIFO_NUM-1);
+ uint32_t const fifo_offset = allocated_size + fifo_size*(fifo_num-1);
+
+ /* DIEPTXF starts at FIFO #1. */
+ volatile uint32_t* usb_dieptxf = &USB->DIEPTXF1;
+ usb_dieptxf[epnum - 1] = (fifo_size << _USB_DIEPTXF1_INEPNTXFDEP_SHIFT) | fifo_offset;
+ }
+ return true;
+}
+
+bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes)
+{
+ (void)rhport;
+
+ uint8_t const epnum = tu_edpt_number(ep_addr);
+ uint8_t const dir = tu_edpt_dir(ep_addr);
+
+ xfer_ctl_t * xfer = XFER_CTL_BASE(epnum, dir);
+ xfer->buffer = buffer;
+ xfer->total_len = total_bytes;
+ xfer->queued_len = 0;
+ xfer->short_packet = false;
+
+ uint16_t num_packets = (total_bytes / xfer->max_size);
+ uint8_t short_packet_size = total_bytes % xfer->max_size;
+
+ // Zero-size packet is special case.
+ if(short_packet_size > 0 || (total_bytes == 0))
+ {
+ num_packets++;
+ }
+
+ // IN and OUT endpoint xfers are interrupt-driven, we just schedule them
+ // here.
+ if(dir == TUSB_DIR_IN)
+ {
+ if(epnum == 0)
+ {
+ // A full IN transfer (multiple packets, possibly) triggers XFRC.
+ USB->DIEP0TSIZ = (num_packets << _USB_DIEP0TSIZ_PKTCNT_SHIFT) | total_bytes;
+ USB->DIEP0CTL |= USB_DIEP0CTL_EPENA | USB_DIEP0CTL_CNAK; // Enable | CNAK
+ }
+ else
+ {
+ // A full IN transfer (multiple packets, possibly) triggers XFRC.
+ USB->DIEP[epnum - 1].TSIZ = (num_packets << _USB_DIEP_TSIZ_PKTCNT_SHIFT) | total_bytes;
+ USB->DIEP[epnum - 1].CTL |= USB_DIEP_CTL_EPENA | USB_DIEP_CTL_CNAK; // Enable | CNAK
+ }
+
+ // Enable fifo empty interrupt only if there are something to put in the fifo.
+ if(total_bytes != 0)
+ {
+ USB->DIEPEMPMSK |= (1 << epnum);
+ }
+ }
+ else
+ {
+ if(epnum == 0)
+ {
+ // A full IN transfer (multiple packets, possibly) triggers XFRC.
+ USB->DOEP0TSIZ |= (1 << _USB_DOEP0TSIZ_PKTCNT_SHIFT) | ((xfer->max_size & _USB_DOEP0TSIZ_XFERSIZE_MASK) << _USB_DOEP0TSIZ_XFERSIZE_SHIFT);
+ USB->DOEP0CTL |= USB_DOEP0CTL_EPENA | USB_DOEP0CTL_CNAK;
+ }
+ else
+ {
+ // A full IN transfer (multiple packets, possibly) triggers XFRC.
+ USB->DOEP[epnum - 1].TSIZ |= (1 << _USB_DOEP_TSIZ_PKTCNT_SHIFT) | ((xfer->max_size & _USB_DOEP_TSIZ_XFERSIZE_MASK) << _USB_DOEP_TSIZ_XFERSIZE_SHIFT);
+ USB->DOEP[epnum - 1].CTL |= USB_DOEP_CTL_EPENA | USB_DOEP_CTL_CNAK;
+ }
+ }
+ return true;
+}
+
+/*------------------------------------------------------------------*/
+/* IRQ */
+/*------------------------------------------------------------------*/
+void dcd_int_enable(uint8_t rhport)
+{
+ (void) rhport;
+
+ NVIC_EnableIRQ(USB_IRQn);
+}
+
+void dcd_int_disable(uint8_t rhport)
+{
+ (void) rhport;
+
+ NVIC_DisableIRQ(USB_IRQn);
+}
+
+static void receive_packet(xfer_ctl_t *xfer, uint16_t xfer_size)
+{
+ uint16_t remaining = xfer->total_len - xfer->queued_len;
+ uint16_t to_recv_size;
+
+ if(remaining <= xfer->max_size)
+ {
+ /* Avoid buffer overflow. */
+ to_recv_size = (xfer_size > remaining) ? remaining : xfer_size;
+ }
+ else
+ {
+ /* Room for full packet, choose recv_size based on what the microcontroller claims. */
+ to_recv_size = (xfer_size > xfer->max_size) ? xfer->max_size : xfer_size;
+ }
+
+ uint8_t to_recv_rem = to_recv_size % 4;
+ uint16_t to_recv_size_aligned = to_recv_size - to_recv_rem;
+
+ /* Do not assume xfer buffer is aligned. */
+ uint8_t *base = (xfer->buffer + xfer->queued_len);
+
+ /* This for loop always runs at least once- skip if less than 4 bytes to collect. */
+ if(to_recv_size >= 4)
+ {
+ for(uint16_t i = 0; i < to_recv_size_aligned; i += 4)
+ {
+ uint32_t tmp = (*USB->FIFO0D);
+ base[i] = tmp & 0x000000FF;
+ base[i + 1] = (tmp & 0x0000FF00) >> 8;
+ base[i + 2] = (tmp & 0x00FF0000) >> 16;
+ base[i + 3] = (tmp & 0xFF000000) >> 24;
+ }
+ }
+
+ /* Do not read invalid bytes from RX FIFO. */
+ if(to_recv_rem != 0)
+ {
+ uint32_t tmp = (*USB->FIFO0D);
+ uint8_t *last_32b_bound = base + to_recv_size_aligned;
+
+ last_32b_bound[0] = tmp & 0x000000FF;
+ if(to_recv_rem > 1)
+ {
+ last_32b_bound[1] = (tmp & 0x0000FF00) >> 8;
+ }
+ if(to_recv_rem > 2)
+ {
+ last_32b_bound[2] = (tmp & 0x00FF0000) >> 16;
+ }
+ }
+
+ xfer->queued_len += xfer_size;
+
+ /* Per USB spec, a short OUT packet (including length 0) is always */
+ /* indicative of the end of a transfer (at least for ctl, bulk, int). */
+ xfer->short_packet = (xfer_size < xfer->max_size);
+}
+
+static void transmit_packet(xfer_ctl_t *xfer, uint8_t fifo_num)
+{
+ uint16_t remaining;
+ if(fifo_num == 0)
+ {
+ remaining = (USB->DIEP0TSIZ & 0x7FFFFU) >> _USB_DIEP0TSIZ_XFERSIZE_SHIFT;
+ }
+ else
+ {
+ remaining = (USB->DIEP[fifo_num - 1].TSIZ & 0x7FFFFU) >> _USB_DIEP_TSIZ_XFERSIZE_SHIFT;
+ }
+ xfer->queued_len = xfer->total_len - remaining;
+
+ uint16_t to_xfer_size = (remaining > xfer->max_size) ? xfer->max_size : remaining;
+ uint8_t to_xfer_rem = to_xfer_size % 4;
+ uint16_t to_xfer_size_aligned = to_xfer_size - to_xfer_rem;
+
+ /* Buffer might not be aligned to 32b, so we need to force alignment by copying to a temp var. */
+ uint8_t *base = (xfer->buffer + xfer->queued_len);
+
+ /* This for loop always runs at least once- skip if less than 4 bytes to send off. */
+ if(to_xfer_size >= 4)
+ {
+ for(uint16_t i = 0; i < to_xfer_size_aligned; i += 4)
+ {
+ uint32_t tmp = base[i] | (base[i + 1] << 8) | (base[i + 2] << 16) | (base[i + 3] << 24);
+ *tx_fifo[fifo_num] = tmp;
+ }
+ }
+
+ /* Do not read beyond end of buffer if not divisible by 4. */
+ if(to_xfer_rem != 0)
+ {
+ uint32_t tmp = 0;
+ uint8_t *last_32b_bound = base + to_xfer_size_aligned;
+
+ tmp |= last_32b_bound[0];
+ if(to_xfer_rem > 1)
+ {
+ tmp |= (last_32b_bound[1] << 8);
+ }
+ if(to_xfer_rem > 2)
+ {
+ tmp |= (last_32b_bound[2] << 16);
+ }
+
+ *tx_fifo[fifo_num] = tmp;
+ }
+}
+
+static void read_rx_fifo(void)
+{
+ /*
+ * Pop control word off FIFO (completed xfers will have 2 control words,
+ * we only pop one ctl word each interrupt).
+ */
+ uint32_t const ctl_word = USB->GRXSTSP;
+ uint8_t const pktsts = (ctl_word & _USB_GRXSTSP_PKTSTS_MASK) >> _USB_GRXSTSP_PKTSTS_SHIFT;
+ uint8_t const epnum = (ctl_word & _USB_GRXSTSP_CHNUM_MASK ) >> _USB_GRXSTSP_CHNUM_SHIFT;
+ uint16_t const bcnt = (ctl_word & _USB_GRXSTSP_BCNT_MASK ) >> _USB_GRXSTSP_BCNT_SHIFT;
+
+ switch(pktsts)
+ {
+ case 0x01: /* Global OUT NAK (Interrupt) */
+ break;
+
+ case 0x02:
+ {
+ /* Out packet recvd */
+ xfer_ctl_t *xfer = XFER_CTL_BASE(epnum, TUSB_DIR_OUT);
+ receive_packet(xfer, bcnt);
+ }
+ break;
+
+ case 0x03:
+ /* Out packet done (Interrupt) */
+ break;
+
+ case 0x04:
+ /* Step 2: Setup transaction completed (Interrupt) */
+ /* After this event, OEPINT interrupt will occur with SETUP bit set */
+ if(epnum == 0)
+ {
+ USB->DOEP0TSIZ |= (1 << _USB_DOEP0TSIZ_SUPCNT_SHIFT);
+ }
+
+ break;
+
+ case 0x06:
+ {
+ /* Step1: Setup data packet received */
+
+ /*
+ * We can receive up to three setup packets in succession, but
+ * only the last one is valid. Therefore we just overwrite it
+ */
+ _setup_packet[0] = (*USB->FIFO0D);
+ _setup_packet[1] = (*USB->FIFO0D);
+ }
+ break;
+
+ default:
+ /* Invalid, breakpoint. */
+ TU_BREAKPOINT();
+ break;
+ }
+}
+
+static void handle_epout_ints(void)
+{
+ // GINTSTS will be cleared with DAINT == 0
+ // DAINT for a given EP clears when DOEPINTx is cleared.
+ // DOEPINT will be cleared when DAINT's out bits are cleared.
+
+ for(uint8_t n = 0; n < EP_COUNT; n++)
+ {
+ xfer_ctl_t *xfer = XFER_CTL_BASE(n, TUSB_DIR_OUT);
+
+ if(n == 0)
+ {
+ if(USB->DAINT & (1 << (_USB_DAINT_OUTEPINT0_SHIFT + n)))
+ {
+ // SETUP packet Setup Phase done.
+ if((USB->DOEP0INT & USB_DOEP0INT_SETUP))
+ {
+ USB->DOEP0INT = USB_DOEP0INT_STUPPKTRCVD | USB_DOEP0INT_SETUP; // clear
+ dcd_event_setup_received(0, (uint8_t *)&_setup_packet[0], true);
+ }
+
+ // OUT XFER complete (single packet).q
+ if(USB->DOEP0INT & USB_DOEP0INT_XFERCOMPL)
+ {
+ USB->DOEP0INT = USB_DOEP0INT_XFERCOMPL;
+
+ // Transfer complete if short packet or total len is transferred
+ if(xfer->short_packet || (xfer->queued_len == xfer->total_len))
+ {
+ xfer->short_packet = false;
+ dcd_event_xfer_complete(0, n, xfer->queued_len, XFER_RESULT_SUCCESS, true);
+ }
+ else
+ {
+ // Schedule another packet to be received.
+ USB->DOEP0TSIZ |= (1 << _USB_DOEP0TSIZ_PKTCNT_SHIFT) | ((xfer->max_size & _USB_DOEP0TSIZ_XFERSIZE_MASK) << _USB_DOEP0TSIZ_XFERSIZE_SHIFT);
+ USB->DOEP0CTL |= USB_DOEP0CTL_EPENA | USB_DOEP0CTL_CNAK;
+ }
+ }
+ }
+ }
+ else
+ {
+ if(USB->DAINT & (1 << (_USB_DAINT_OUTEPINT0_SHIFT + n)))
+ {
+ // SETUP packet Setup Phase done.
+ if((USB->DOEP[n - 1].INT & USB_DOEP_INT_SETUP))
+ {
+ USB->DOEP[n - 1].INT = USB_DOEP_INT_STUPPKTRCVD | USB_DOEP_INT_SETUP; // clear
+ dcd_event_setup_received(0, (uint8_t *)&_setup_packet[0], true);
+ }
+
+ // OUT XFER complete (single packet).q
+ if(USB->DOEP[n - 1].INT & USB_DOEP_INT_XFERCOMPL)
+ {
+ USB->DOEP[n - 1].INT = USB_DOEP_INT_XFERCOMPL;
+
+ // Transfer complete if short packet or total len is transferred
+ if(xfer->short_packet || (xfer->queued_len == xfer->total_len))
+ {
+ xfer->short_packet = false;
+ dcd_event_xfer_complete(0, n, xfer->queued_len, XFER_RESULT_SUCCESS, true);
+ }
+ else
+ {
+ // Schedule another packet to be received.
+ USB->DOEP[n - 1].TSIZ |= (1 << _USB_DOEP_TSIZ_PKTCNT_SHIFT) | ((xfer->max_size & _USB_DOEP_TSIZ_XFERSIZE_MASK) << _USB_DOEP_TSIZ_XFERSIZE_SHIFT);
+ USB->DOEP[n - 1].CTL |= USB_DOEP_CTL_EPENA | USB_DOEP_CTL_CNAK;
+ }
+ }
+ }
+ }
+ }
+}
+
+static void handle_epin_ints(void)
+{
+
+ for(uint32_t n = 0; n < EP_COUNT; n++)
+ {
+ xfer_ctl_t *xfer = &xfer_status[n][TUSB_DIR_IN];
+
+ if(n == 0)
+ {
+ if(USB->DAINT & (1 << n))
+ {
+ /* IN XFER complete (entire xfer). */
+ if(USB->DIEP0INT & USB_DIEP0INT_XFERCOMPL)
+ {
+ USB->DIEP0INT = USB_DIEP0INT_XFERCOMPL;
+ dcd_event_xfer_complete(0, n | TUSB_DIR_IN_MASK, xfer->total_len, XFER_RESULT_SUCCESS, true);
+ }
+
+ /* XFER FIFO empty */
+ if(USB->DIEP0INT & USB_DIEP0INT_TXFEMP)
+ {
+ USB->DIEP0INT = USB_DIEP0INT_TXFEMP;
+ transmit_packet(xfer, n);
+
+ /* Turn off TXFE if all bytes are written. */
+ if(xfer->queued_len == xfer->total_len)
+ {
+ USB->DIEPEMPMSK &= ~(1 << n);
+ }
+ }
+
+ /* XFER Timeout */
+ if(USB->DIEP0INT & USB_DIEP0INT_TIMEOUT)
+ {
+ /* Clear interrupt or enpoint will hang. */
+ USB->DIEP0INT = USB_DIEP0INT_TIMEOUT;
+ }
+ }
+ }
+ else
+ {
+ if(USB->DAINT & (1 << n))
+ {
+ /* IN XFER complete (entire xfer). */
+ if(USB->DIEP[n - 1].INT & USB_DIEP_INT_XFERCOMPL)
+ {
+ USB->DIEP[n - 1].INT = USB_DIEP_INT_XFERCOMPL;
+ dcd_event_xfer_complete(0, n | TUSB_DIR_IN_MASK, xfer->total_len, XFER_RESULT_SUCCESS, true);
+ }
+
+ /* XFER FIFO empty */
+ if(USB->DIEP[n - 1].INT & USB_DIEP_INT_TXFEMP)
+ {
+ USB->DIEP[n - 1].INT = USB_DIEP_INT_TXFEMP;
+ transmit_packet(xfer, n);
+
+ /* Turn off TXFE if all bytes are written. */
+ if(xfer->queued_len == xfer->total_len)
+ {
+ USB->DIEPEMPMSK &= ~(1 << n);
+ }
+ }
+
+ /* XFER Timeout */
+ if(USB->DIEP[n - 1].INT & USB_DIEP_INT_TIMEOUT)
+ {
+ /* Clear interrupt or enpoint will hang. */
+ USB->DIEP[n - 1].INT = USB_DIEP_INT_TIMEOUT;
+ }
+ }
+ }
+ }
+}
+
+void dcd_int_handler(uint8_t rhport)
+{
+ (void) rhport;
+
+ const uint32_t int_status = USB->GINTSTS;
+
+ /* USB Reset */
+ if(int_status & USB_GINTSTS_USBRST)
+ {
+ /* start of reset */
+ USB->GINTSTS = USB_GINTSTS_USBRST;
+ /* FIFOs will be reassigned when the endpoints are reopen */
+ _allocated_fifos = 1;
+ bus_reset();
+ }
+
+ /* Reset detected Interrupt */
+ if(int_status & USB_GINTSTS_RESETDET)
+ {
+ USB->GINTSTS = USB_GINTSTS_RESETDET;
+ bus_reset();
+ }
+
+ /* Enumeration Done */
+ if(int_status & USB_GINTSTS_ENUMDONE)
+ {
+ /* This interrupt is considered the end of reset. */
+ USB->GINTSTS = USB_GINTSTS_ENUMDONE;
+ enum_done_processing();
+ dcd_event_bus_signal(0, DCD_EVENT_BUS_RESET, true);
+ }
+
+ /* OTG Interrupt */
+ if(int_status & USB_GINTSTS_OTGINT)
+ {
+ /* OTG INT bit is read-only */
+
+ uint32_t const otg_int = USB->GOTGINT;
+
+ if(otg_int & USB_GOTGINT_SESENDDET)
+ {
+ dcd_event_bus_signal(0, DCD_EVENT_UNPLUGGED, true);
+ }
+
+ USB->GOTGINT = otg_int;
+ }
+
+ #if USE_SOF
+ if(int_status & USB_GINTSTS_SOF)
+ {
+ USB->GINTSTS = USB_GINTSTS_SOF;
+ dcd_event_bus_signal(0, DCD_EVENT_SOF, true);
+ }
+ #endif
+
+ /* RxFIFO Non-Empty */
+ if(int_status & USB_GINTSTS_RXFLVL)
+ {
+ /* RXFLVL bit is read-only */
+
+ /* Mask out RXFLVL while reading data from FIFO */
+ USB->GINTMSK &= ~USB_GINTMSK_RXFLVLMSK;
+ read_rx_fifo();
+ USB->GINTMSK |= USB_GINTMSK_RXFLVLMSK;
+ }
+
+ /* OUT Endpoints Interrupt */
+ if(int_status & USB_GINTMSK_OEPINTMSK)
+ {
+ /* OEPINT is read-only */
+ handle_epout_ints();
+ }
+
+ /* IN Endpoints Interrupt */
+ if(int_status & USB_GINTMSK_IEPINTMSK)
+ {
+ /* IEPINT bit read-only */
+ handle_epin_ints();
+ }
+
+ /* unhandled */
+ USB->GINTSTS |= USB_GINTSTS_CURMOD |
+ USB_GINTSTS_MODEMIS |
+ USB_GINTSTS_OTGINT |
+ USB_GINTSTS_NPTXFEMP |
+ USB_GINTSTS_GINNAKEFF |
+ USB_GINTSTS_GOUTNAKEFF |
+ USB_GINTSTS_ERLYSUSP |
+ USB_GINTSTS_USBSUSP |
+ USB_GINTSTS_ISOOUTDROP |
+ USB_GINTSTS_EOPF |
+ USB_GINTSTS_EPMIS |
+ USB_GINTSTS_INCOMPISOIN |
+ USB_GINTSTS_INCOMPLP |
+ USB_GINTSTS_FETSUSP |
+ USB_GINTSTS_PTXFEMP;
+}
+
+#endif
diff --git a/src/tusb_option.h b/src/tusb_option.h
index 6cbdefbf1..644208ab4 100644
--- a/src/tusb_option.h
+++ b/src/tusb_option.h
@@ -28,7 +28,7 @@
#define _TUSB_OPTION_H_
#define TUSB_VERSION_MAJOR 0
-#define TUSB_VERSION_MINOR 8
+#define TUSB_VERSION_MINOR 9
#define TUSB_VERSION_REVISION 0
#define TUSB_VERSION_STRING TU_STRING(TUSB_VERSION_MAJOR) "." TU_STRING(TUSB_VERSION_MINOR) "." TU_STRING(TUSB_VERSION_REVISION)
@@ -103,6 +103,14 @@
// NXP Kinetis
#define OPT_MCU_MKL25ZXX 1200 ///< NXP MKL25Zxx
+// Silabs
+#define OPT_MCU_EFM32GG 1300 ///< Silabs EFM32GG
+#define OPT_MCU_EFM32GG11 1301 ///< Silabs EFM32GG11
+#define OPT_MCU_EFM32GG12 1302 ///< Silabs EFM32GG12
+
+// Renesas RX
+#define OPT_MCU_RX63X 1400 ///< Renesas RX63N/631
+
/** @} */
/** \defgroup group_supported_os Supported RTOS