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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
View File

@ -88,10 +88,25 @@ STATIC_VAR cdcd_data_t cdcd_data[CONTROLLER_DEVICE_NUMBER];
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
bool tud_n_cdc_connected(uint8_t rhport) 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); 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) uint32_t tud_n_cdc_available(uint8_t rhport)
{ {
return fifo_count(&_rx_ff); 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); return fifo_read_n(&_rx_ff, buffer, bufsize);
} }
//--------------------------------------------------------------------+
// WRITE API
//--------------------------------------------------------------------+
uint32_t tud_n_cdc_write_char(uint8_t rhport, char ch) uint32_t tud_n_cdc_write_char(uint8_t rhport, char ch)
{ {
return fifo_write(&_tx_ff, &ch) ? 1 : 0; return fifo_write(&_tx_ff, &ch) ? 1 : 0;

32
tinyusb/class/cdc/cdc_device.h
View File

@ -56,29 +56,33 @@
// APPLICATION API (Multiple Root Ports) // APPLICATION API (Multiple Root Ports)
// Should be used only with MCU that support more than 1 ports // Should be used only with MCU that support more than 1 ports
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
bool tud_n_cdc_connected (uint8_t rhport); bool tud_n_cdc_connected (uint8_t rhport);
uint32_t tud_n_cdc_available (uint8_t rhport); uint8_t tud_n_cdc_get_line_state (uint8_t rhport);
void tud_n_cdc_get_line_coding (uint8_t rhport, cdc_line_coding_t* coding);
int8_t tud_n_cdc_read_char (uint8_t rhport); uint32_t tud_n_cdc_available (uint8_t rhport);
uint32_t tud_n_cdc_read (uint8_t rhport, void* buffer, uint32_t bufsize); int8_t tud_n_cdc_read_char (uint8_t rhport);
uint32_t tud_n_cdc_read (uint8_t rhport, void* buffer, uint32_t bufsize);
uint32_t tud_n_cdc_write_char (uint8_t rhport, char ch); uint32_t tud_n_cdc_write_char (uint8_t rhport, char ch);
uint32_t tud_n_cdc_write (uint8_t rhport, void const* buffer, uint32_t bufsize); uint32_t tud_n_cdc_write (uint8_t rhport, void const* buffer, uint32_t bufsize);
bool tud_n_cdc_flush (uint8_t rhport); bool tud_n_cdc_flush (uint8_t rhport);
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
// APPLICATION API (Single Port) // APPLICATION API (Single Port)
// Should be used with MCU supporting only 1 USB port for code simplicity // Should be used with MCU supporting only 1 USB port for code simplicity
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
static inline bool tud_cdc_connected (void) { return tud_n_cdc_connected(0); } static inline bool tud_cdc_connected (void) { return tud_n_cdc_connected(0); }
static inline uint32_t tud_cdc_available (void) { return tud_n_cdc_available(0); } static inline uint8_t tud_cdc_get_line_state (uint8_t rhport) { return tud_n_cdc_get_line_state(0); }
static inline void tud_cdc_get_line_coding (uint8_t rhport, cdc_line_coding_t* coding) { return tud_cdc_get_line_coding(0, coding); }
static inline int8_t tud_cdc_read_char (void) { return tud_n_cdc_read_char(0); } static inline uint32_t tud_cdc_available (void) { return tud_n_cdc_available(0); }
static inline uint32_t tud_cdc_read (void* buffer, uint32_t bufsize) { return tud_n_cdc_read(0, buffer, bufsize); } static inline int8_t tud_cdc_read_char (void) { return tud_n_cdc_read_char(0); }
static inline uint32_t tud_cdc_read (void* buffer, uint32_t bufsize) { return tud_n_cdc_read(0, buffer, bufsize); }
static inline uint32_t tud_cdc_write_char (char ch) { return tud_n_cdc_write_char(0, ch); } static inline uint32_t tud_cdc_write_char (char ch) { return tud_n_cdc_write_char(0, ch); }
static inline uint32_t tud_cdc_write (void const* buffer, uint32_t bufsize) { return tud_n_cdc_write(0, buffer, bufsize); } static inline uint32_t tud_cdc_write (void const* buffer, uint32_t bufsize) { return tud_n_cdc_write(0, buffer, bufsize); }
static inline bool tud_cdc_flush (void) { return tud_n_cdc_flush(0); } static inline bool tud_cdc_flush (void) { return tud_n_cdc_flush(0); }
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
// APPLICATION CALLBACK API (WEAK is optional) // APPLICATION CALLBACK API (WEAK is optional)