diff options
| author | HiFiPhile <[email protected]> | 2024-06-27 20:49:40 +0200 |
|---|---|---|
| committer | HiFiPhile <[email protected]> | 2024-06-27 20:49:40 +0200 |
| commit | eefca229b64bddf07ae862248f4a1071984a7fe1 (patch) | |
| tree | 57e8686adc49dda0d19a8fc1b34e45548ec399ed /src/class/cdc | |
| parent | 02ec4866105eca3f95e7392e538caf97ebb902b4 (diff) | |
| parent | 13dedddd1963e67251f75b3e3ebd654d74d8aa56 (diff) | |
Merge branch 'master' of https://github.com/hathach/tinyusb into dwc2_dma
Diffstat (limited to 'src/class/cdc')
| -rw-r--r-- | src/class/cdc/cdc_device.c | 2 | ||||
| -rw-r--r-- | src/class/cdc/cdc_device.h | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c index 2e0a0c30d..f36725eba 100644 --- a/src/class/cdc/cdc_device.c +++ b/src/class/cdc/cdc_device.c @@ -295,7 +295,9 @@ void cdcd_reset(uint8_t rhport) tu_memclr(p_cdc, ITF_MEM_RESET_SIZE); tu_fifo_clear(&p_cdc->rx_ff); + #if !CFG_TUD_CDC_PERSISTENT_TX_BUFF tu_fifo_clear(&p_cdc->tx_ff); + #endif tu_fifo_set_overwritable(&p_cdc->tx_ff, true); } } diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h index 20e908451..db709b3bc 100644 --- a/src/class/cdc/cdc_device.h +++ b/src/class/cdc/cdc_device.h @@ -41,6 +41,12 @@ #define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) #endif +// By default the TX fifo buffer is cleared on connect / bus reset. +// Enable this to persist any data in the fifo instead. +#ifndef CFG_TUD_CDC_PERSISTENT_TX_BUFF + #define CFG_TUD_CDC_PERSISTENT_TX_BUFF (0) +#endif + #ifdef __cplusplus extern "C" { #endif |