diff options
Diffstat (limited to 'examples/device/webusb_serial')
| -rw-r--r-- | examples/device/webusb_serial/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | examples/device/webusb_serial/CMakePresets.json | 6 | ||||
| -rw-r--r-- | examples/device/webusb_serial/src/main.c | 130 | ||||
| -rw-r--r-- | examples/device/webusb_serial/src/tusb_config.h | 2 | ||||
| -rw-r--r-- | examples/device/webusb_serial/src/usb_descriptors.c | 55 |
5 files changed, 92 insertions, 103 deletions
diff --git a/examples/device/webusb_serial/CMakeLists.txt b/examples/device/webusb_serial/CMakeLists.txt index e92a57148..ced98a909 100644 --- a/examples/device/webusb_serial/CMakeLists.txt +++ b/examples/device/webusb_serial/CMakeLists.txt @@ -1,4 +1,4 @@ -cmake_minimum_required(VERSION 3.17) +cmake_minimum_required(VERSION 3.20) include(${CMAKE_CURRENT_SOURCE_DIR}/../../../hw/bsp/family_support.cmake) diff --git a/examples/device/webusb_serial/CMakePresets.json b/examples/device/webusb_serial/CMakePresets.json new file mode 100644 index 000000000..5cd8971e9 --- /dev/null +++ b/examples/device/webusb_serial/CMakePresets.json @@ -0,0 +1,6 @@ +{ + "version": 6, + "include": [ + "../../../hw/bsp/BoardPresets.json" + ] +} diff --git a/examples/device/webusb_serial/src/main.c b/examples/device/webusb_serial/src/main.c index 800d435b8..d189af91f 100644 --- a/examples/device/webusb_serial/src/main.c +++ b/examples/device/webusb_serial/src/main.c @@ -73,8 +73,7 @@ static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED; #define URL "example.tinyusb.org/webusb-serial/index.html" -const tusb_desc_webusb_url_t desc_url = -{ +const tusb_desc_webusb_url_t desc_url = { .bLength = 3 + sizeof(URL) - 1, .bDescriptorType = 3, // WEBUSB URL type .bScheme = 1, // 0: http, 1: https @@ -86,47 +85,44 @@ static bool web_serial_connected = false; //------------- prototypes -------------// void led_blinking_task(void); void cdc_task(void); -void webserial_task(void); /*------------- MAIN -------------*/ -int main(void) -{ +int main(void) { board_init(); // init device stack on configured roothub port - tud_init(BOARD_TUD_RHPORT); + tusb_rhport_init_t dev_init = { + .role = TUSB_ROLE_DEVICE, + .speed = TUSB_SPEED_AUTO + }; + tusb_init(BOARD_TUD_RHPORT, &dev_init); if (board_init_after_tusb) { board_init_after_tusb(); } - while (1) - { + while (1) { tud_task(); // tinyusb device task cdc_task(); - webserial_task(); led_blinking_task(); } } // send characters to both CDC and WebUSB -void echo_all(uint8_t buf[], uint32_t count) -{ +void echo_all(const uint8_t buf[], uint32_t count) { // echo to web serial - if ( web_serial_connected ) - { + if (web_serial_connected) { tud_vendor_write(buf, count); tud_vendor_write_flush(); } // echo to cdc - if ( tud_cdc_connected() ) - { - for(uint32_t i=0; i<count; i++) - { + if (tud_cdc_connected()) { + for (uint32_t i = 0; i < count; i++) { tud_cdc_write_char(buf[i]); - - if ( buf[i] == '\r' ) tud_cdc_write_char('\n'); + if (buf[i] == '\r') { + tud_cdc_write_char('\n'); + } } tud_cdc_write_flush(); } @@ -137,29 +133,25 @@ void echo_all(uint8_t buf[], uint32_t count) //--------------------------------------------------------------------+ // Invoked when device is mounted -void tud_mount_cb(void) -{ +void tud_mount_cb(void) { blink_interval_ms = BLINK_MOUNTED; } // Invoked when device is unmounted -void tud_umount_cb(void) -{ +void tud_umount_cb(void) { blink_interval_ms = BLINK_NOT_MOUNTED; } // Invoked when usb bus is suspended // remote_wakeup_en : if host allow us to perform remote wakeup // Within 7ms, device must draw an average of current less than 2.5 mA from bus -void tud_suspend_cb(bool remote_wakeup_en) -{ - (void) remote_wakeup_en; +void tud_suspend_cb(bool remote_wakeup_en) { + (void)remote_wakeup_en; blink_interval_ms = BLINK_SUSPENDED; } // Invoked when usb bus is resumed -void tud_resume_cb(void) -{ +void tud_resume_cb(void) { blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED; } @@ -170,61 +162,53 @@ void tud_resume_cb(void) // Invoked when a control transfer occurred on an interface of this class // Driver response accordingly to the request and the transfer stage (setup/data/ack) // return false to stall control endpoint (e.g unsupported request) -bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request) -{ +bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const* request) { // nothing to with DATA & ACK stage if (stage != CONTROL_STAGE_SETUP) return true; - switch (request->bmRequestType_bit.type) - { + switch (request->bmRequestType_bit.type) { case TUSB_REQ_TYPE_VENDOR: - switch (request->bRequest) - { + switch (request->bRequest) { case VENDOR_REQUEST_WEBUSB: // match vendor request in BOS descriptor // Get landing page url - return tud_control_xfer(rhport, request, (void*)(uintptr_t) &desc_url, desc_url.bLength); + return tud_control_xfer(rhport, request, (void*)(uintptr_t)&desc_url, desc_url.bLength); case VENDOR_REQUEST_MICROSOFT: - if ( request->wIndex == 7 ) - { + if (request->wIndex == 7) { // Get Microsoft OS 2.0 compatible descriptor uint16_t total_len; - memcpy(&total_len, desc_ms_os_20+8, 2); + memcpy(&total_len, desc_ms_os_20 + 8, 2); - return tud_control_xfer(rhport, request, (void*)(uintptr_t) desc_ms_os_20, total_len); - }else - { + return tud_control_xfer(rhport, request, (void*)(uintptr_t)desc_ms_os_20, total_len); + } else { return false; } default: break; } - break; + break; case TUSB_REQ_TYPE_CLASS: - if (request->bRequest == 0x22) - { + if (request->bRequest == 0x22) { // Webserial simulate the CDC_REQUEST_SET_CONTROL_LINE_STATE (0x22) to connect and disconnect. web_serial_connected = (request->wValue != 0); // Always lit LED if connected - if ( web_serial_connected ) - { + if (web_serial_connected) { board_led_write(true); blink_interval_ms = BLINK_ALWAYS_ON; tud_vendor_write_str("\r\nWebUSB interface connected\r\n"); tud_vendor_write_flush(); - }else - { + } else { blink_interval_ms = BLINK_MOUNTED; } // response with status OK return tud_control_status(rhport, request); } - break; + break; default: break; } @@ -233,32 +217,24 @@ bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_requ return false; } -void webserial_task(void) -{ - if ( web_serial_connected ) - { - if ( tud_vendor_available() ) - { - uint8_t buf[64]; - uint32_t count = tud_vendor_read(buf, sizeof(buf)); +void tud_vendor_rx_cb(uint8_t itf, uint8_t const* buffer, uint16_t bufsize) { + (void) itf; - // echo back to both web serial and cdc - echo_all(buf, count); - } - } -} + echo_all(buffer, bufsize); + // if using RX buffered is enabled, we need to flush the buffer to make room for new data + #if CFG_TUD_VENDOR_RX_BUFSIZE > 0 + tud_vendor_read_flush(); + #endif +} //--------------------------------------------------------------------+ // USB CDC //--------------------------------------------------------------------+ -void cdc_task(void) -{ - if ( tud_cdc_connected() ) - { +void cdc_task(void) { + if (tud_cdc_connected()) { // connected and there are data available - if ( tud_cdc_available() ) - { + if (tud_cdc_available()) { uint8_t buf[64]; uint32_t count = tud_cdc_read(buf, sizeof(buf)); @@ -270,34 +246,30 @@ void cdc_task(void) } // Invoked when cdc when line state changed e.g connected/disconnected -void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) -{ - (void) itf; +void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) { + (void)itf; // connected - if ( dtr && rts ) - { + if (dtr && rts) { // print initial message when connected tud_cdc_write_str("\r\nTinyUSB WebUSB device example\r\n"); } } // Invoked when CDC interface received data from host -void tud_cdc_rx_cb(uint8_t itf) -{ - (void) itf; +void tud_cdc_rx_cb(uint8_t itf) { + (void)itf; } //--------------------------------------------------------------------+ // BLINKING TASK //--------------------------------------------------------------------+ -void led_blinking_task(void) -{ +void led_blinking_task(void) { static uint32_t start_ms = 0; static bool led_state = false; // Blink every interval ms - if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time + if (board_millis() - start_ms < blink_interval_ms) return; // not enough time start_ms += blink_interval_ms; board_led_write(led_state); diff --git a/examples/device/webusb_serial/src/tusb_config.h b/examples/device/webusb_serial/src/tusb_config.h index fde732b9e..b86ad3752 100644 --- a/examples/device/webusb_serial/src/tusb_config.h +++ b/examples/device/webusb_serial/src/tusb_config.h @@ -102,7 +102,7 @@ #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) // Vendor FIFO size of TX and RX -// If not configured vendor endpoints will not be buffered +// If zero: vendor endpoints will not be buffered #define CFG_TUD_VENDOR_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #define CFG_TUD_VENDOR_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) diff --git a/examples/device/webusb_serial/src/usb_descriptors.c b/examples/device/webusb_serial/src/usb_descriptors.c index b01fae8e3..2b69a5b56 100644 --- a/examples/device/webusb_serial/src/usb_descriptors.c +++ b/examples/device/webusb_serial/src/usb_descriptors.c @@ -87,29 +87,40 @@ enum #if CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC177X_8X || CFG_TUSB_MCU == OPT_MCU_LPC40XX // LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number // 0 control, 1 In, 2 Bulk, 3 Iso, 4 In etc ... - #define EPNUM_CDC_IN 2 - #define EPNUM_CDC_OUT 2 - #define EPNUM_VENDOR_IN 5 - #define EPNUM_VENDOR_OUT 5 -#elif CFG_TUSB_MCU == OPT_MCU_SAMG || CFG_TUSB_MCU == OPT_MCU_SAMX7X - // SAMG & SAME70 don't support a same endpoint number with different direction IN and OUT - // e.g EP1 OUT & EP1 IN cannot exist together - #define EPNUM_CDC_IN 2 - #define EPNUM_CDC_OUT 3 - #define EPNUM_VENDOR_IN 4 - #define EPNUM_VENDOR_OUT 5 -#elif CFG_TUSB_MCU == OPT_MCU_FT90X || CFG_TUSB_MCU == OPT_MCU_FT93X - // FT9XX doesn't support a same endpoint number with different direction IN and OUT + #define EPNUM_CDC_NOTIF 0x81 + #define EPNUM_CDC_OUT 0x02 + #define EPNUM_CDC_IN 0x82 + + #define EPNUM_VENDOR_OUT 0x05 + #define EPNUM_VENDOR_IN 0x85 + +#elif CFG_TUSB_MCU == OPT_MCU_CXD56 + // CXD56 USB driver has fixed endpoint type (bulk/interrupt/iso) and direction (IN/OUT) by its number + // 0 control (IN/OUT), 1 Bulk (IN), 2 Bulk (OUT), 3 In (IN), 4 Bulk (IN), 5 Bulk (OUT), 6 In (IN) + #define EPNUM_CDC_NOTIF 0x83 + #define EPNUM_CDC_OUT 0x02 + #define EPNUM_CDC_IN 0x81 + + #define EPNUM_VENDOR_OUT 0x05 + #define EPNUM_VENDOR_IN 0x84 + +#elif defined(TUD_ENDPOINT_ONE_DIRECTION_ONLY) + // MCUs that don't support a same endpoint number with different direction IN and OUT defined in tusb_mcu.h // e.g EP1 OUT & EP1 IN cannot exist together - #define EPNUM_CDC_IN 2 - #define EPNUM_CDC_OUT 3 - #define EPNUM_VENDOR_IN 4 - #define EPNUM_VENDOR_OUT 5 + #define EPNUM_CDC_NOTIF 0x81 + #define EPNUM_CDC_OUT 0x02 + #define EPNUM_CDC_IN 0x83 + + #define EPNUM_VENDOR_OUT 0x04 + #define EPNUM_VENDOR_IN 0x85 + #else - #define EPNUM_CDC_IN 2 - #define EPNUM_CDC_OUT 2 - #define EPNUM_VENDOR_IN 3 - #define EPNUM_VENDOR_OUT 3 + #define EPNUM_CDC_NOTIF 0x81 + #define EPNUM_CDC_OUT 0x02 + #define EPNUM_CDC_IN 0x82 + + #define EPNUM_VENDOR_OUT 0x03 + #define EPNUM_VENDOR_IN 0x83 #endif uint8_t const desc_configuration[] = @@ -118,7 +129,7 @@ uint8_t const desc_configuration[] = TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100), // Interface number, string index, EP notification address and size, EP data address (out, in) and size. - TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, 0x81, 8, EPNUM_CDC_OUT, 0x80 | EPNUM_CDC_IN, TUD_OPT_HIGH_SPEED ? 512 : 64), + TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, 0x80 | EPNUM_CDC_IN, TUD_OPT_HIGH_SPEED ? 512 : 64), // Interface number, string index, EP Out & IN address, EP size TUD_VENDOR_DESCRIPTOR(ITF_NUM_VENDOR, 5, EPNUM_VENDOR_OUT, 0x80 | EPNUM_VENDOR_IN, TUD_OPT_HIGH_SPEED ? 512 : 64) |
