armsrc/usart.h

   1 #ifndef __USART_H
   2 #define __USART_H
   3
   4 #include "common.h"
   5 #include "usart_defs.h"
   6
   7 // Higher baudrates are pointless, only increasing overflow risk
   8
   9 extern uint32_t g_usart_baudrate;
  10 extern uint8_t g_usart_parity;
  11
  12 void usart_init(uint32_t baudrate, uint8_t parity);
  13 int usart_writebuffer_sync(uint8_t *data, size_t len);
  14 uint32_t usart_read_ng(uint8_t *data, size_t len);
  15 uint16_t usart_rxdata_available(void);
  16
  17 #endif