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esp32-s2_dfu
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Merge pull request #1041 from HiFiPhile/vdc 

Fix vendor fifo deadlock, add tud_vendor_n_read_flush
This commit is contained in:
Ha Thach 2021-08-25 23:22:15 +07:00 committed by GitHub
parent 155c186b17 4941cde175
commit 8d97f0e81f
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 16 additions and 0 deletions
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9
src/class/vendor/vendor_device.c vendored
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@ -103,6 +103,13 @@ uint32_t tud_vendor_n_read (uint8_t itf, void* buffer, uint32_t bufsize)
return num_read;
}
void tud_vendor_n_read_flush (uint8_t itf)
{
vendord_interface_t* p_itf = &_vendord_itf[itf];
tu_fifo_clear(&p_itf->rx_ff);
_prep_out_transaction(p_itf);
}
//--------------------------------------------------------------------+
// Write API
//--------------------------------------------------------------------+
@ -199,6 +206,8 @@ uint16_t vendord_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, ui
TU_BREAKPOINT();
}
maybe_transmit(p_vendor);
return drv_len;
}

7
src/class/vendor/vendor_device.h vendored
View File

@ -45,6 +45,7 @@ bool tud_vendor_n_mounted (uint8_t itf);
uint32_t tud_vendor_n_available (uint8_t itf);
uint32_t tud_vendor_n_read (uint8_t itf, void* buffer, uint32_t bufsize);
bool tud_vendor_n_peek (uint8_t itf, uint8_t* u8);
void tud_vendor_n_read_flush (uint8_t itf);
uint32_t tud_vendor_n_write (uint8_t itf, void const* buffer, uint32_t bufsize);
uint32_t tud_vendor_n_write_available (uint8_t itf);
@ -59,6 +60,7 @@ static inline bool tud_vendor_mounted (void);
static inline uint32_t tud_vendor_available (void);
static inline uint32_t tud_vendor_read (void* buffer, uint32_t bufsize);
static inline bool tud_vendor_peek (uint8_t* u8);
static inline void tud_vendor_read_flush (void);
static inline uint32_t tud_vendor_write (void const* buffer, uint32_t bufsize);
static inline uint32_t tud_vendor_write_str (char const* str);
static inline uint32_t tud_vendor_write_available (void);
@ -99,6 +101,11 @@ static inline bool tud_vendor_peek (uint8_t* u8)
return tud_vendor_n_peek(0, u8);
}
static inline void tud_vendor_read_flush(void)
{
tud_vendor_n_read_flush(0);
}
static inline uint32_t tud_vendor_write (void const* buffer, uint32_t bufsize)
{
return tud_vendor_n_write(0, buffer, bufsize);