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also added wanted char to fifo

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This commit is contained in:
hathach 2018-07-20 15:47:28 +07:00
parent 421ae8fc82
commit 141ac25e3b
1 changed files with 3 additions and 4 deletions
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7
src/class/cdc/cdc_device.c
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@ -70,7 +70,7 @@ typedef struct
tu_fifo_t tx_ff; tu_fifo_t tx_ff;
uint8_t rx_ff_buf[CFG_TUD_CDC_RX_BUFSIZE]; uint8_t rx_ff_buf[CFG_TUD_CDC_RX_BUFSIZE];
uint8_t tx_ff_buf[CFG_TUD_CDC_RX_BUFSIZE]; uint8_t tx_ff_buf[CFG_TUD_CDC_TX_BUFSIZE];
// Endpoint Transfer buffer // Endpoint Transfer buffer
CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_CDC_EPSIZE]; CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_CDC_EPSIZE];
@ -327,13 +327,12 @@ tusb_error_t cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, tusb_event_t event, u
for(uint32_t i=0; i<xferred_bytes; i++) for(uint32_t i=0; i<xferred_bytes; i++)
{ {
tu_fifo_write(&p_cdc->rx_ff, &p_cdc->epin_buf[i]);
// Check for wanted char and invoke callback if needed // Check for wanted char and invoke callback if needed
if ( tud_cdc_rx_wanted_cb && ( wanted != -1 ) && ( wanted == p_cdc->epin_buf[i] ) ) if ( tud_cdc_rx_wanted_cb && ( wanted != -1 ) && ( wanted == p_cdc->epin_buf[i] ) )
{ {
tud_cdc_rx_wanted_cb(itf, wanted); tud_cdc_rx_wanted_cb(itf, wanted);
}else
{
tu_fifo_write(&p_cdc->rx_ff, &p_cdc->epin_buf[i]);
} }
} }