diff options
Diffstat (limited to 'tinyusb/src/class/dfu/dfu_device.c')
| m--------- | tinyusb | 0 | ||||
| -rwxr-xr-x | tinyusb/src/class/dfu/dfu_device.c | 458 |
2 files changed, 0 insertions, 458 deletions
diff --git a/tinyusb b/tinyusb new file mode 160000 +Subproject f8288be03f28ad7b944e6925f49422dfa39202c diff --git a/tinyusb/src/class/dfu/dfu_device.c b/tinyusb/src/class/dfu/dfu_device.c deleted file mode 100755 index 28abf6e8..00000000 --- a/tinyusb/src/class/dfu/dfu_device.c +++ /dev/null @@ -1,458 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2021 XMOS LIMITED - * - * 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_TUD_DFU) - -#include "device/usbd.h" -#include "device/usbd_pvt.h" - -#include "dfu_device.h" - -//--------------------------------------------------------------------+ -// MACRO CONSTANT TYPEDEF -//--------------------------------------------------------------------+ - -//--------------------------------------------------------------------+ -// INTERNAL OBJECT & FUNCTION DECLARATION -//--------------------------------------------------------------------+ -typedef struct -{ - uint8_t attrs; - uint8_t alt; - - dfu_state_t state; - dfu_status_t status; - - bool flashing_in_progress; - uint16_t block; - uint16_t length; - - CFG_TUSB_MEM_ALIGN uint8_t transfer_buf[CFG_TUD_DFU_XFER_BUFSIZE]; -} dfu_state_ctx_t; - -// Only a single dfu state is allowed -CFG_TUSB_MEM_SECTION static dfu_state_ctx_t _dfu_ctx; - -static void reset_state(void) -{ - _dfu_ctx.state = DFU_IDLE; - _dfu_ctx.status = DFU_STATUS_OK; - _dfu_ctx.flashing_in_progress = false; -} - -static bool reply_getstatus(uint8_t rhport, tusb_control_request_t const * request, dfu_state_t state, dfu_status_t status, uint32_t timeout); -static bool process_download_get_status(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request); -static bool process_manifest_get_status(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request); - -//--------------------------------------------------------------------+ -// Debug -//--------------------------------------------------------------------+ -#if CFG_TUSB_DEBUG >= 2 - -static tu_lookup_entry_t const _dfu_request_lookup[] = -{ - { .key = DFU_REQUEST_DETACH , .data = "DETACH" }, - { .key = DFU_REQUEST_DNLOAD , .data = "DNLOAD" }, - { .key = DFU_REQUEST_UPLOAD , .data = "UPLOAD" }, - { .key = DFU_REQUEST_GETSTATUS , .data = "GETSTATUS" }, - { .key = DFU_REQUEST_CLRSTATUS , .data = "CLRSTATUS" }, - { .key = DFU_REQUEST_GETSTATE , .data = "GETSTATE" }, - { .key = DFU_REQUEST_ABORT , .data = "ABORT" }, -}; - -static tu_lookup_table_t const _dfu_request_table = -{ - .count = TU_ARRAY_SIZE(_dfu_request_lookup), - .items = _dfu_request_lookup -}; - -static tu_lookup_entry_t const _dfu_state_lookup[] = -{ - { .key = APP_IDLE , .data = "APP_IDLE" }, - { .key = APP_DETACH , .data = "APP_DETACH" }, - { .key = DFU_IDLE , .data = "IDLE" }, - { .key = DFU_DNLOAD_SYNC , .data = "DNLOAD_SYNC" }, - { .key = DFU_DNBUSY , .data = "DNBUSY" }, - { .key = DFU_DNLOAD_IDLE , .data = "DNLOAD_IDLE" }, - { .key = DFU_MANIFEST_SYNC , .data = "MANIFEST_SYNC" }, - { .key = DFU_MANIFEST , .data = "MANIFEST" }, - { .key = DFU_MANIFEST_WAIT_RESET , .data = "MANIFEST_WAIT_RESET" }, - { .key = DFU_UPLOAD_IDLE , .data = "UPLOAD_IDLE" }, - { .key = DFU_ERROR , .data = "ERROR" }, -}; - -static tu_lookup_table_t const _dfu_state_table = -{ - .count = TU_ARRAY_SIZE(_dfu_state_lookup), - .items = _dfu_state_lookup -}; - -static tu_lookup_entry_t const _dfu_status_lookup[] = -{ - { .key = DFU_STATUS_OK , .data = "OK" }, - { .key = DFU_STATUS_ERR_TARGET , .data = "errTARGET" }, - { .key = DFU_STATUS_ERR_FILE , .data = "errFILE" }, - { .key = DFU_STATUS_ERR_WRITE , .data = "errWRITE" }, - { .key = DFU_STATUS_ERR_ERASE , .data = "errERASE" }, - { .key = DFU_STATUS_ERR_CHECK_ERASED , .data = "errCHECK_ERASED" }, - { .key = DFU_STATUS_ERR_PROG , .data = "errPROG" }, - { .key = DFU_STATUS_ERR_VERIFY , .data = "errVERIFY" }, - { .key = DFU_STATUS_ERR_ADDRESS , .data = "errADDRESS" }, - { .key = DFU_STATUS_ERR_NOTDONE , .data = "errNOTDONE" }, - { .key = DFU_STATUS_ERR_FIRMWARE , .data = "errFIRMWARE" }, - { .key = DFU_STATUS_ERR_VENDOR , .data = "errVENDOR" }, - { .key = DFU_STATUS_ERR_USBR , .data = "errUSBR" }, - { .key = DFU_STATUS_ERR_POR , .data = "errPOR" }, - { .key = DFU_STATUS_ERR_UNKNOWN , .data = "errUNKNOWN" }, - { .key = DFU_STATUS_ERR_STALLEDPKT , .data = "errSTALLEDPKT" }, -}; - -static tu_lookup_table_t const _dfu_status_table = -{ - .count = TU_ARRAY_SIZE(_dfu_status_lookup), - .items = _dfu_status_lookup -}; - -#endif - -//--------------------------------------------------------------------+ -// USBD Driver API -//--------------------------------------------------------------------+ -void dfu_moded_reset(uint8_t rhport) -{ - (void) rhport; - - _dfu_ctx.attrs = 0; - _dfu_ctx.alt = 0; - - reset_state(); -} - -void dfu_moded_init(void) -{ - dfu_moded_reset(0); -} - -uint16_t dfu_moded_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len) -{ - (void) rhport; - - //------------- Interface (with Alt) descriptor -------------// - uint8_t const itf_num = itf_desc->bInterfaceNumber; - uint8_t alt_count = 0; - - uint16_t drv_len = 0; - while(itf_desc->bInterfaceSubClass == TUD_DFU_APP_SUBCLASS && itf_desc->bInterfaceProtocol == DFU_PROTOCOL_DFU) - { - TU_ASSERT(max_len > drv_len, 0); - - // Alternate must have the same interface number - TU_ASSERT(itf_desc->bInterfaceNumber == itf_num, 0); - - // Alt should increase by one every time - TU_ASSERT(itf_desc->bAlternateSetting == alt_count, 0); - alt_count++; - - drv_len += tu_desc_len(itf_desc); - itf_desc = (tusb_desc_interface_t const *) tu_desc_next(itf_desc); - } - - //------------- DFU Functional descriptor -------------// - tusb_desc_dfu_functional_t const *func_desc = (tusb_desc_dfu_functional_t const *) itf_desc; - TU_ASSERT(tu_desc_type(func_desc) == TUSB_DESC_FUNCTIONAL, 0); - drv_len += sizeof(tusb_desc_dfu_functional_t); - - _dfu_ctx.attrs = func_desc->bAttributes; - - // CFG_TUD_DFU_XFER_BUFSIZE has to be set to the buffer size used in TUD_DFU_DESCRIPTOR - uint16_t const transfer_size = tu_le16toh( tu_unaligned_read16((uint8_t*) func_desc + offsetof(tusb_desc_dfu_functional_t, wTransferSize)) ); - TU_ASSERT(transfer_size <= CFG_TUD_DFU_XFER_BUFSIZE, drv_len); - - return drv_len; -} - -// 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 dfu_moded_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request) -{ - TU_VERIFY(request->bmRequestType_bit.recipient == TUSB_REQ_RCPT_INTERFACE); - - TU_LOG2(" DFU State : %s, Status: %s\r\n", tu_lookup_find(&_dfu_state_table, _dfu_ctx.state), tu_lookup_find(&_dfu_status_table, _dfu_ctx.status)); - - if ( request->bmRequestType_bit.type == TUSB_REQ_TYPE_STANDARD ) - { - // Standard request include GET/SET_INTERFACE - switch ( request->bRequest ) - { - case TUSB_REQ_SET_INTERFACE: - if ( stage == CONTROL_STAGE_SETUP ) - { - // Switch Alt interface and reset state machine - _dfu_ctx.alt = (uint8_t) request->wValue; - reset_state(); - return tud_control_status(rhport, request); - } - break; - - case TUSB_REQ_GET_INTERFACE: - if(stage == CONTROL_STAGE_SETUP) - { - return tud_control_xfer(rhport, request, &_dfu_ctx.alt, 1); - } - break; - - // unsupported request - default: return false; - } - } - else if ( request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS ) - { - TU_LOG2(" DFU Request: %s\r\n", tu_lookup_find(&_dfu_request_table, request->bRequest)); - - // Class request - switch ( request->bRequest ) - { - case DFU_REQUEST_DETACH: - if ( stage == CONTROL_STAGE_SETUP ) - { - tud_control_status(rhport, request); - } - else if ( stage == CONTROL_STAGE_ACK ) - { - if ( tud_dfu_detach_cb ) tud_dfu_detach_cb(); - } - break; - - case DFU_REQUEST_CLRSTATUS: - if ( stage == CONTROL_STAGE_SETUP ) - { - reset_state(); - tud_control_status(rhport, request); - } - break; - - case DFU_REQUEST_GETSTATE: - if ( stage == CONTROL_STAGE_SETUP ) - { - tud_control_xfer(rhport, request, &_dfu_ctx.state, 1); - } - break; - - case DFU_REQUEST_ABORT: - if ( stage == CONTROL_STAGE_SETUP ) - { - reset_state(); - tud_control_status(rhport, request); - } - else if ( stage == CONTROL_STAGE_ACK ) - { - if ( tud_dfu_abort_cb ) tud_dfu_abort_cb(_dfu_ctx.alt); - } - break; - - case DFU_REQUEST_UPLOAD: - if ( stage == CONTROL_STAGE_SETUP ) - { - TU_VERIFY(_dfu_ctx.attrs & DFU_ATTR_CAN_UPLOAD); - TU_VERIFY(tud_dfu_upload_cb); - TU_VERIFY(request->wLength <= CFG_TUD_DFU_XFER_BUFSIZE); - - uint16_t const xfer_len = tud_dfu_upload_cb(_dfu_ctx.alt, request->wValue, _dfu_ctx.transfer_buf, request->wLength); - - return tud_control_xfer(rhport, request, _dfu_ctx.transfer_buf, xfer_len); - } - break; - - case DFU_REQUEST_DNLOAD: - if ( stage == CONTROL_STAGE_SETUP ) - { - TU_VERIFY(_dfu_ctx.attrs & DFU_ATTR_CAN_DOWNLOAD); - TU_VERIFY(_dfu_ctx.state == DFU_IDLE || _dfu_ctx.state == DFU_DNLOAD_IDLE); - TU_VERIFY(request->wLength <= CFG_TUD_DFU_XFER_BUFSIZE); - - // set to true for both download and manifest - _dfu_ctx.flashing_in_progress = true; - - // save block and length for flashing - _dfu_ctx.block = request->wValue; - _dfu_ctx.length = request->wLength; - - if ( request->wLength ) - { - // Download with payload -> transition to DOWNLOAD SYNC - _dfu_ctx.state = DFU_DNLOAD_SYNC; - return tud_control_xfer(rhport, request, _dfu_ctx.transfer_buf, request->wLength); - } - else - { - // Download is complete -> transition to MANIFEST SYNC - _dfu_ctx.state = DFU_MANIFEST_SYNC; - return tud_control_status(rhport, request); - } - } - break; - - case DFU_REQUEST_GETSTATUS: - switch ( _dfu_ctx.state ) - { - case DFU_DNLOAD_SYNC: - return process_download_get_status(rhport, stage, request); - break; - - case DFU_MANIFEST_SYNC: - return process_manifest_get_status(rhport, stage, request); - break; - - default: - if ( stage == CONTROL_STAGE_SETUP ) return reply_getstatus(rhport, request, _dfu_ctx.state, _dfu_ctx.status, 0); - break; - } - break; - - default: return false; // stall unsupported request - } - }else - { - return false; // unsupported request - } - - return true; -} - -void tud_dfu_finish_flashing(uint8_t status) -{ - _dfu_ctx.flashing_in_progress = false; - - if ( status == DFU_STATUS_OK ) - { - if (_dfu_ctx.state == DFU_DNBUSY) - { - _dfu_ctx.state = DFU_DNLOAD_SYNC; - } - else if (_dfu_ctx.state == DFU_MANIFEST) - { - _dfu_ctx.state = (_dfu_ctx.attrs & DFU_ATTR_MANIFESTATION_TOLERANT) - ? DFU_MANIFEST_SYNC : DFU_MANIFEST_WAIT_RESET; - } - } - else - { - // failed while flashing, move to dfuError - _dfu_ctx.state = DFU_ERROR; - _dfu_ctx.status = (dfu_status_t)status; - } -} - -static bool process_download_get_status(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request) -{ - if ( stage == CONTROL_STAGE_SETUP ) - { - // only transition to next state on CONTROL_STAGE_ACK - dfu_state_t next_state; - uint32_t timeout; - - if ( _dfu_ctx.flashing_in_progress ) - { - next_state = DFU_DNBUSY; - timeout = tud_dfu_get_timeout_cb(_dfu_ctx.alt, (uint8_t) next_state); - } - else - { - next_state = DFU_DNLOAD_IDLE; - timeout = 0; - } - - return reply_getstatus(rhport, request, next_state, _dfu_ctx.status, timeout); - } - else if ( stage == CONTROL_STAGE_ACK ) - { - if ( _dfu_ctx.flashing_in_progress ) - { - _dfu_ctx.state = DFU_DNBUSY; - tud_dfu_download_cb(_dfu_ctx.alt, _dfu_ctx.block, _dfu_ctx.transfer_buf, _dfu_ctx.length); - }else - { - _dfu_ctx.state = DFU_DNLOAD_IDLE; - } - } - - return true; -} - -static bool process_manifest_get_status(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request) -{ - if ( stage == CONTROL_STAGE_SETUP ) - { - // only transition to next state on CONTROL_STAGE_ACK - dfu_state_t next_state; - uint32_t timeout; - - if ( _dfu_ctx.flashing_in_progress ) - { - next_state = DFU_MANIFEST; - timeout = tud_dfu_get_timeout_cb(_dfu_ctx.alt, next_state); - } - else - { - next_state = DFU_IDLE; - timeout = 0; - } - - return reply_getstatus(rhport, request, next_state, _dfu_ctx.status, timeout); - } - else if ( stage == CONTROL_STAGE_ACK ) - { - if ( _dfu_ctx.flashing_in_progress ) - { - _dfu_ctx.state = DFU_MANIFEST; - tud_dfu_manifest_cb(_dfu_ctx.alt); - } - else - { - _dfu_ctx.state = DFU_IDLE; - } - } - - return true; -} - -static bool reply_getstatus(uint8_t rhport, tusb_control_request_t const * request, dfu_state_t state, dfu_status_t status, uint32_t timeout) -{ - dfu_status_response_t resp; - resp.bStatus = (uint8_t) status; - resp.bwPollTimeout[0] = TU_U32_BYTE0(timeout); - resp.bwPollTimeout[1] = TU_U32_BYTE1(timeout); - resp.bwPollTimeout[2] = TU_U32_BYTE2(timeout); - resp.bState = (uint8_t) state; - resp.iString = 0; - - return tud_control_xfer(rhport, request, &resp, sizeof(dfu_status_response_t)); -} - -#endif |