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add tud_n_cdc_get_line_state and tud_n_cdc_get_line_coding

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This commit is contained in:
hathach
2018-04-17 10:46:20 +07:00
parent 8c79073fa6
commit 1b15449db6
2 changed files with 38 additions and 15 deletions
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21
tinyusb/class/cdc/cdc_device.c
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@@ -88,10 +88,25 @@ STATIC_VAR cdcd_data_t cdcd_data[CONTROLLER_DEVICE_NUMBER];
//--------------------------------------------------------------------+
bool tud_n_cdc_connected(uint8_t rhport)
{
// Either RTS or DTR active considered as connected
// Either RTS (bit 1) or DTR (bit 0) active considered as connected
// May only check for DTR only
return (cdcd_data[rhport].line_state != 0);
}
uint8_t tud_n_cdc_get_line_state (uint8_t rhport)
{
return cdcd_data[rhport].line_state;
}
void tud_n_cdc_get_line_coding (uint8_t rhport, cdc_line_coding_t* coding)
{
(*coding) = cdcd_line_coding[rhport];
}
//--------------------------------------------------------------------+
// READ API
//--------------------------------------------------------------------+
uint32_t tud_n_cdc_available(uint8_t rhport)
{
return fifo_count(&_rx_ff);
@@ -108,6 +123,10 @@ uint32_t tud_n_cdc_read(uint8_t rhport, void* buffer, uint32_t bufsize)
return fifo_read_n(&_rx_ff, buffer, bufsize);
}
//--------------------------------------------------------------------+
// WRITE API
//--------------------------------------------------------------------+
uint32_t tud_n_cdc_write_char(uint8_t rhport, char ch)
{
return fifo_write(&_tx_ff, &ch) ? 1 : 0;