diff options
Diffstat (limited to 'tinyusb/src/class/dfu/dfu_rt_device.c')
-rwxr-xr-x | tinyusb/src/class/dfu/dfu_rt_device.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/tinyusb/src/class/dfu/dfu_rt_device.c b/tinyusb/src/class/dfu/dfu_rt_device.c new file mode 100755 index 00000000..afee2aa1 --- /dev/null +++ b/tinyusb/src/class/dfu/dfu_rt_device.c @@ -0,0 +1,128 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 Sylvain Munaut <tnt@246tNt.com> + * + * 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_RUNTIME) + +#include "device/usbd.h" +#include "device/usbd_pvt.h" + +#include "dfu_rt_device.h" + +//--------------------------------------------------------------------+ +// MACRO CONSTANT TYPEDEF +//--------------------------------------------------------------------+ + +//--------------------------------------------------------------------+ +// INTERNAL OBJECT & FUNCTION DECLARATION +//--------------------------------------------------------------------+ + +//--------------------------------------------------------------------+ +// USBD Driver API +//--------------------------------------------------------------------+ +void dfu_rtd_init(void) +{ +} + +void dfu_rtd_reset(uint8_t rhport) +{ + (void) rhport; +} + +uint16_t dfu_rtd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len) +{ + (void) rhport; + (void) max_len; + + // Ensure this is DFU Runtime + TU_VERIFY((itf_desc->bInterfaceSubClass == TUD_DFU_APP_SUBCLASS) && + (itf_desc->bInterfaceProtocol == DFU_PROTOCOL_RT), 0); + + uint8_t const * p_desc = tu_desc_next( itf_desc ); + uint16_t drv_len = sizeof(tusb_desc_interface_t); + + if ( TUSB_DESC_FUNCTIONAL == tu_desc_type(p_desc) ) + { + drv_len += tu_desc_len(p_desc); + p_desc = tu_desc_next(p_desc); + } + + 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_rtd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request) +{ + // nothing to do with DATA or ACK stage + if ( stage != CONTROL_STAGE_SETUP ) return true; + + TU_VERIFY(request->bmRequestType_bit.recipient == TUSB_REQ_RCPT_INTERFACE); + + // dfu-util will try to claim the interface with SET_INTERFACE request before sending DFU request + if ( TUSB_REQ_TYPE_STANDARD == request->bmRequestType_bit.type && + TUSB_REQ_SET_INTERFACE == request->bRequest ) + { + tud_control_status(rhport, request); + return true; + } + + // Handle class request only from here + TU_VERIFY(request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS); + + switch (request->bRequest) + { + case DFU_REQUEST_DETACH: + { + TU_LOG2(" DFU RT Request: DETACH\r\n"); + tud_control_status(rhport, request); + tud_dfu_runtime_reboot_to_dfu_cb(); + } + break; + + case DFU_REQUEST_GETSTATUS: + { + TU_LOG2(" DFU RT Request: GETSTATUS\r\n"); + dfu_status_response_t resp; + // Status = OK, Poll timeout is ignored during RT, State = APP_IDLE, IString = 0 + memset(&resp, 0x00, sizeof(dfu_status_response_t)); + tud_control_xfer(rhport, request, &resp, sizeof(dfu_status_response_t)); + } + break; + + default: + { + TU_LOG2(" DFU RT Unexpected Request: %d\r\n", request->bRequest); + return false; // stall unsupported request + } + } + + return true; +} + +#endif |