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Add bwPollTimeout set callback, postpone download callback after GETSTATUS

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This commit is contained in:
Mengsk 2021-07-08 00:25:12 +02:00
commit 5b4b5ca533
5 changed files with 27 additions and 6 deletions
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7
examples/device/dfu/src/main.c
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@ -125,6 +125,13 @@ bool tud_dfu_firmware_valid_check_cb(uint8_t alt)
return true;
}
uint16_t tud_dfu_set_timeout_cb(uint8_t alt)
{
// For example Alt1 (EEPROM) is slow, add 2000ms timeout
if (alt == 1) return 2000;
return 0;
}
void tud_dfu_req_dnload_data_cb(uint8_t alt, uint16_t wBlockNum, uint8_t* data, uint16_t length)
{
(void) data;

4
examples/device/dfu/src/usb_descriptors.c
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@ -96,8 +96,8 @@ uint8_t const desc_configuration[] =
// Config number, interface count, string index, total length, attribute, power in mA
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
// Interface number, detach timeout, transfer size, string index 0, [string index 1 ... string index n]
TUD_DFU_MODE_DESCRIPTOR(ITF_NUM_DFU_MODE, 0, FUNC_ATTRS, 1000, CFG_TUD_DFU_TRANSFER_BUFFER_SIZE, 4, 5),
// Interface number, attributes, detach timeout, transfer size, string index 0, [string index 1 ... string index n]
TUD_DFU_MODE_DESCRIPTOR(ITF_NUM_DFU_MODE, FUNC_ATTRS, 1000, CFG_TUD_DFU_TRANSFER_BUFFER_SIZE, 4, 5),
};
// Invoked when received GET CONFIGURATION DESCRIPTOR

15
src/class/dfu/dfu_device.c
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@ -270,7 +270,6 @@ bool dfu_moded_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_reque
&& ((_dfu_state_ctx.attrs & DFU_FUNC_ATTR_CAN_DOWNLOAD_BITMASK) != 0)
&& (_dfu_state_ctx.state == DFU_DNLOAD_SYNC))
{
dfu_req_dnload_reply(rhport, request);
return true;
}
} // fallthrough
@ -314,8 +313,16 @@ static void dfu_req_getstatus_reply(uint8_t rhport, tusb_control_request_t const
{
dfu_status_req_payload_t resp;
uint16_t timeout = 0;
resp.bStatus = _dfu_state_ctx.status;
memset((uint8_t *)&resp.bwPollTimeout, 0x00, 3);
if(_dfu_state_ctx.state == DFU_DNBUSY && tud_dfu_set_timeout_cb)
{
timeout = tud_dfu_set_timeout_cb(_dfu_state_ctx.alt);
}
resp.bwPollTimeout[0] = TU_U16_LOW(timeout);
resp.bwPollTimeout[1] = TU_U16_HIGH(timeout);
resp.bwPollTimeout[2] = 0;
resp.bState = _dfu_state_ctx.state;
resp.iString = 0;
@ -433,6 +440,7 @@ static bool dfu_state_machine(uint8_t rhport, tusb_control_request_t const * req
{
_dfu_state_ctx.state = DFU_DNBUSY;
dfu_req_getstatus_reply(rhport, request);
dfu_req_dnload_reply(rhport, request);
} else {
_dfu_state_ctx.state = DFU_DNLOAD_IDLE;
dfu_req_getstatus_reply(rhport, request);
@ -537,7 +545,8 @@ static bool dfu_state_machine(uint8_t rhport, tusb_control_request_t const * req
{
_dfu_state_ctx.state = DFU_MANIFEST;
dfu_req_getstatus_reply(rhport, request);
} else {
} else
{
if ( tud_dfu_firmware_valid_check_cb(_dfu_state_ctx.alt) )
{
_dfu_state_ctx.state = DFU_IDLE;

5
src/class/dfu/dfu_device.h
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@ -48,6 +48,11 @@
// alt is used as the partition number, in order to support multiple partitions like FLASH, EEPROM, etc.
bool tud_dfu_firmware_valid_check_cb(uint8_t alt);
// Invoked when a DFU_GETSTATUS request is received in DFU_DNBUSY state
// Used to set the bwPollTimeout value, useful for slow Flash in order to make host wait longer
// alt is used as the partition number, in order to support multiple partitions like FLASH, EEPROM, etc.
TU_ATTR_WEAK uint16_t tud_dfu_set_timeout_cb(uint8_t alt);
// Invoked when a DFU_DNLOAD request is received
// alt is used as the partition number, in order to support multiple partitions like FLASH, EEPROM, etc.
// This callback takes the wBlockNum chunk of length length and provides it

2
src/device/usbd.h
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@ -640,7 +640,7 @@ TU_ATTR_WEAK bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb
#define TUD_DFU_MODE_ALTS(_itfnum, ...) \
TU_XSTRCAT(TUD_DFU_MODE_ALT_, CFG_TUD_DFU_ALT_COUNT)(_itfnum, __VA_ARGS__)
// Interface number, detach timeout, transfer size, string index 1, [string index 2, string index n]
// Interface number, attributes, detach timeout, transfer size, string index 0, [string index 1, string index n]
#define TUD_DFU_MODE_DESCRIPTOR(_itfnum, _attr, _timeout, _xfer_size, _stridx, ...) \
TUD_DFU_MODE_ALTS(_itfnum, _TUD_DFU_COMBINE(_stridx, __VA_ARGS__)) \
TUD_DFU_MODE_FUNC(_attr, _timeout, _xfer_size)