cdc: add uart status notification support.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h
index 20e908451..92131f159 100644
--- a/src/class/cdc/cdc_device.h
+++ b/src/class/cdc/cdc_device.h
@@ -64,6 +64,9 @@ uint8_t  tud_cdc_n_get_line_state  (uint8_t itf);
 // Get current line encoding: bit rate, stop bits parity etc ..
 void     tud_cdc_n_get_line_coding (uint8_t itf, cdc_line_coding_t* coding);
 
+// Send UART status notification: DCD, DSR etc ..
+bool     tud_cdc_n_send_uart_state (uint8_t itf, cdc_uart_state_t state);
+
 // Set special character that will trigger tud_cdc_rx_wanted_cb() callback on receiving
 void     tud_cdc_n_set_wanted_char (uint8_t itf, char wanted);
 
@@ -109,6 +112,7 @@ bool tud_cdc_n_write_clear (uint8_t itf);
 static inline bool     tud_cdc_connected       (void);
 static inline uint8_t  tud_cdc_get_line_state  (void);
 static inline void     tud_cdc_get_line_coding (cdc_line_coding_t* coding);
+static inline bool     tud_cdc_send_uart_state (cdc_uart_state_t state);
 static inline void     tud_cdc_set_wanted_char (char wanted);
 
 static inline uint32_t tud_cdc_available       (void);
@@ -180,6 +184,11 @@ static inline void tud_cdc_get_line_coding (cdc_line_coding_t* coding)
   tud_cdc_n_get_line_coding(0, coding);
 }
 
+static inline bool tud_cdc_send_uart_state (cdc_uart_state_t state)
+{
+  return tud_cdc_n_send_uart_state(0, state);
+}
+
 static inline void tud_cdc_set_wanted_char (char wanted)
 {
   tud_cdc_n_set_wanted_char(0, wanted);