diff options
Diffstat (limited to 'src/class/cdc/cdc_device.c')
| -rw-r--r-- | src/class/cdc/cdc_device.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c index 2b9b84e7a..8d10a416c 100644 --- a/src/class/cdc/cdc_device.c +++ b/src/class/cdc/cdc_device.c @@ -62,10 +62,8 @@ typedef struct uint8_t rx_ff_buf[CFG_TUD_CDC_RX_BUFSIZE]; uint8_t tx_ff_buf[CFG_TUD_CDC_TX_BUFSIZE]; -#if CFG_FIFO_MUTEX - osal_mutex_def_t rx_ff_mutex; - osal_mutex_def_t tx_ff_mutex; -#endif + OSAL_MUTEX_DEF(rx_ff_mutex); + OSAL_MUTEX_DEF(tx_ff_mutex); // Endpoint Transfer buffer CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_CDC_EP_BUFSIZE]; @@ -82,7 +80,7 @@ CFG_TUSB_MEM_SECTION static cdcd_interface_t _cdcd_itf[CFG_TUD_CDC]; static bool _prep_out_transaction (cdcd_interface_t* p_cdc) { - uint8_t const rhport = TUD_OPT_RHPORT; + uint8_t const rhport = 0; uint16_t available = tu_fifo_remaining(&p_cdc->rx_ff); // Prepare for incoming data but only allow what we can store in the ring buffer. @@ -145,7 +143,7 @@ uint32_t tud_cdc_n_available(uint8_t itf) uint32_t tud_cdc_n_read(uint8_t itf, void* buffer, uint32_t bufsize) { cdcd_interface_t* p_cdc = &_cdcd_itf[itf]; - uint32_t num_read = tu_fifo_read_n(&p_cdc->rx_ff, buffer, bufsize); + uint32_t num_read = tu_fifo_read_n(&p_cdc->rx_ff, buffer, (uint16_t) bufsize); _prep_out_transaction(p_cdc); return num_read; } @@ -168,10 +166,11 @@ void tud_cdc_n_read_flush (uint8_t itf) uint32_t tud_cdc_n_write(uint8_t itf, void const* buffer, uint32_t bufsize) { cdcd_interface_t* p_cdc = &_cdcd_itf[itf]; - uint16_t ret = tu_fifo_write_n(&p_cdc->tx_ff, buffer, bufsize); + uint16_t ret = tu_fifo_write_n(&p_cdc->tx_ff, buffer, (uint16_t) bufsize); // flush if queue more than packet size - if ( tu_fifo_count(&p_cdc->tx_ff) >= BULK_PACKET_SIZE ) + // may need to suppress -Wunreachable-code since most of the time CFG_TUD_CDC_TX_BUFSIZE < BULK_PACKET_SIZE + if ( (tu_fifo_count(&p_cdc->tx_ff) >= BULK_PACKET_SIZE) || ((CFG_TUD_CDC_TX_BUFSIZE < BULK_PACKET_SIZE) && tu_fifo_full(&p_cdc->tx_ff)) ) { tud_cdc_n_write_flush(itf); } @@ -189,7 +188,7 @@ uint32_t tud_cdc_n_write_flush (uint8_t itf) // No data to send if ( !tu_fifo_count(&p_cdc->tx_ff) ) return 0; - uint8_t const rhport = TUD_OPT_RHPORT; + uint8_t const rhport = 0; // Claim the endpoint TU_VERIFY( usbd_edpt_claim(rhport, p_cdc->ep_in), 0 ); @@ -247,10 +246,8 @@ void cdcd_init(void) // In this way, the most current data is prioritized. tu_fifo_config(&p_cdc->tx_ff, p_cdc->tx_ff_buf, TU_ARRAY_SIZE(p_cdc->tx_ff_buf), 1, true); -#if CFG_FIFO_MUTEX tu_fifo_config_mutex(&p_cdc->rx_ff, NULL, osal_mutex_create(&p_cdc->rx_ff_mutex)); tu_fifo_config_mutex(&p_cdc->tx_ff, osal_mutex_create(&p_cdc->tx_ff_mutex), NULL); -#endif } } @@ -435,7 +432,7 @@ bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_ // Received new data if ( ep_addr == p_cdc->ep_out ) { - tu_fifo_write_n(&p_cdc->rx_ff, &p_cdc->epout_buf, xferred_bytes); + tu_fifo_write_n(&p_cdc->rx_ff, p_cdc->epout_buf, (uint16_t) xferred_bytes); // Check for wanted char and invoke callback if needed if ( tud_cdc_rx_wanted_cb && (((signed char) p_cdc->wanted_char) != -1) ) |