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authorHiFiPhile <[email protected]>2024-05-09 15:51:53 +0200
committerHiFiPhile <[email protected]>2024-05-09 15:51:53 +0200
commit36ce6fad8ca997804a569fe575584b45a1b5fc79 (patch)
treef79aa084a42438667b5e26b588a6f794c9ad1608 /src/device/dcd.h
parentf607a99127cc9e8dfc3f716f977e6c1bfb6f7c2d (diff)
parent74e57499baac36c4cccf76549259905162031e41 (diff)
Merge branch 'master' into vendor_class_zero_length_transfer
Diffstat (limited to 'src/device/dcd.h')
-rw-r--r--src/device/dcd.h105
1 files changed, 90 insertions, 15 deletions
diff --git a/src/device/dcd.h b/src/device/dcd.h
index e17c62d4e..d4f105aa3 100644
--- a/src/device/dcd.h
+++ b/src/device/dcd.h
@@ -1,4 +1,4 @@
-/*
+/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
@@ -35,8 +35,19 @@
extern "C" {
#endif
-typedef enum
-{
+//--------------------------------------------------------------------+
+// Configuration
+//--------------------------------------------------------------------+
+
+#ifndef CFG_TUD_ENDPPOINT_MAX
+ #define CFG_TUD_ENDPPOINT_MAX TUP_DCD_ENDPOINT_MAX
+#endif
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF PROTYPES
+//--------------------------------------------------------------------+
+
+typedef enum {
DCD_EVENT_INVALID = 0,
DCD_EVENT_BUS_RESET,
DCD_EVENT_UNPLUGGED,
@@ -53,18 +64,21 @@ typedef enum
DCD_EVENT_COUNT
} dcd_eventid_t;
-typedef struct TU_ATTR_ALIGNED(4)
-{
+typedef struct TU_ATTR_ALIGNED(4) {
uint8_t rhport;
uint8_t event_id;
- union
- {
+ union {
// BUS RESET
struct {
tusb_speed_t speed;
} bus_reset;
+ // SOF
+ struct {
+ uint32_t frame_count;
+ }sof;
+
// SETUP_RECEIVED
tusb_control_request_t setup_received;
@@ -86,11 +100,30 @@ typedef struct TU_ATTR_ALIGNED(4)
//TU_VERIFY_STATIC(sizeof(dcd_event_t) <= 12, "size is not correct");
//--------------------------------------------------------------------+
+// Memory API
+//--------------------------------------------------------------------+
+
+// clean/flush data cache: write cache -> memory.
+// Required before an DMA TX transfer to make sure data is in memory
+void dcd_dcache_clean(void const* addr, uint32_t data_size) TU_ATTR_WEAK;
+
+// invalidate data cache: mark cache as invalid, next read will read from memory
+// Required BOTH before and after an DMA RX transfer
+void dcd_dcache_invalidate(void const* addr, uint32_t data_size) TU_ATTR_WEAK;
+
+// clean and invalidate data cache
+// Required before an DMA transfer where memory is both read/write by DMA
+void dcd_dcache_clean_invalidate(void const* addr, uint32_t data_size) TU_ATTR_WEAK;
+
+//--------------------------------------------------------------------+
// Controller API
//--------------------------------------------------------------------+
// Initialize controller to device mode
-void dcd_init (uint8_t rhport);
+void dcd_init(uint8_t rhport);
+
+// Deinitialize controller, unset device mode.
+bool dcd_deinit(uint8_t rhport);
// Interrupt Handler
void dcd_int_handler(uint8_t rhport);
@@ -113,16 +146,24 @@ void dcd_connect(uint8_t rhport) TU_ATTR_WEAK;
// Disconnect by disabling internal pull-up resistor on D+/D-
void dcd_disconnect(uint8_t rhport) TU_ATTR_WEAK;
+// Enable/Disable Start-of-frame interrupt. Default is disabled
+void dcd_sof_enable(uint8_t rhport, bool en);
+
//--------------------------------------------------------------------+
// Endpoint API
//--------------------------------------------------------------------+
// Invoked when a control transfer's status stage is complete.
// May help DCD to prepare for next control transfer, this API is optional.
-void dcd_edpt0_status_complete(uint8_t rhport, tusb_control_request_t const * request) TU_ATTR_WEAK;
+void dcd_edpt0_status_complete(uint8_t rhport, tusb_control_request_t const * request);
// Configure endpoint's registers according to descriptor
-bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc);
+bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_ep);
+
+// Close all non-control endpoints, cancel all pending transfers if any.
+// Invoked when switching from a non-zero Configuration by SET_CONFIGURE therefore
+// required for multiple configuration support.
+void dcd_edpt_close_all (uint8_t rhport);
// Close an endpoint.
// Since it is weak, caller must TU_ASSERT this function's existence before calling it.
@@ -135,12 +176,20 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer
// This API is optional, may be useful for register-based for transferring data.
bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16_t total_bytes) TU_ATTR_WEAK;
-// Stall endpoint
+// Stall endpoint, any queuing transfer should be removed from endpoint
void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr);
// clear stall, data toggle is also reset to DATA0
+// This API never calls with control endpoints, since it is auto cleared when receiving setup packet
void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr);
+// Allocate packet buffer used by ISO endpoints
+// Some MCU need manual packet buffer allocation, we allocate the largest size to avoid clustering
+TU_ATTR_WEAK bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size);
+
+// Configure and enable an ISO endpoint according to descriptor
+TU_ATTR_WEAK bool dcd_edpt_iso_activate(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc);
+
//--------------------------------------------------------------------+
// Event API (implemented by stack)
//--------------------------------------------------------------------+
@@ -149,16 +198,42 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr);
extern void dcd_event_handler(dcd_event_t const * event, bool in_isr);
// helper to send bus signal event
-extern void dcd_event_bus_signal (uint8_t rhport, dcd_eventid_t eid, bool in_isr);
+TU_ATTR_ALWAYS_INLINE static inline void dcd_event_bus_signal (uint8_t rhport, dcd_eventid_t eid, bool in_isr) {
+ dcd_event_t event = { .rhport = rhport, .event_id = eid };
+ dcd_event_handler(&event, in_isr);
+}
// helper to send bus reset event
-extern void dcd_event_bus_reset (uint8_t rhport, tusb_speed_t speed, bool in_isr);
+TU_ATTR_ALWAYS_INLINE static inline void dcd_event_bus_reset (uint8_t rhport, tusb_speed_t speed, bool in_isr) {
+ dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_BUS_RESET };
+ event.bus_reset.speed = speed;
+ dcd_event_handler(&event, in_isr);
+}
// helper to send setup received
-extern void dcd_event_setup_received(uint8_t rhport, uint8_t const * setup, bool in_isr);
+TU_ATTR_ALWAYS_INLINE static inline void dcd_event_setup_received(uint8_t rhport, uint8_t const * setup, bool in_isr) {
+ dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_SETUP_RECEIVED };
+ memcpy(&event.setup_received, setup, sizeof(tusb_control_request_t));
+
+ dcd_event_handler(&event, in_isr);
+}
// helper to send transfer complete event
-extern void dcd_event_xfer_complete (uint8_t rhport, uint8_t ep_addr, uint32_t xferred_bytes, uint8_t result, bool in_isr);
+TU_ATTR_ALWAYS_INLINE static inline void dcd_event_xfer_complete (uint8_t rhport, uint8_t ep_addr, uint32_t xferred_bytes, uint8_t result, bool in_isr) {
+ dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_XFER_COMPLETE };
+
+ event.xfer_complete.ep_addr = ep_addr;
+ event.xfer_complete.len = xferred_bytes;
+ event.xfer_complete.result = result;
+
+ dcd_event_handler(&event, in_isr);
+}
+
+TU_ATTR_ALWAYS_INLINE static inline void dcd_event_sof(uint8_t rhport, uint32_t frame_count, bool in_isr) {
+ dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_SOF };
+ event.sof.frame_count = frame_count;
+ dcd_event_handler(&event, in_isr);
+}
#ifdef __cplusplus
}