static int AthrUartGet(char *__ch_data) { u32 rdata; rdata = uart_reg_read(UARTDATA_ADDRESS); if (UARTDATA_UARTRXCSR_GET(rdata)) { *__ch_data = (char) UARTDATA_UARTTXRXDATA_GET(rdata); rdata = UARTDATA_UARTRXCSR_SET(1); uart_reg_write(UARTDATA_ADDRESS, rdata); return 1; } else { return 0; } }
u8 UartGetPoll(void) { u8 ret_val; unsigned int rdata; do { rdata = uart_reg_read(UARTDATA_ADDRESS); } while (!UARTDATA_UARTRXCSR_GET(rdata)); ret_val = (u8) UARTDATA_UARTTXRXDATA_GET(rdata); rdata = UARTDATA_UARTRXCSR_SET(1); uart_reg_write(UARTDATA_ADDRESS, rdata); return ret_val; }
int serial_tstc (void) { return (UARTDATA_UARTRXCSR_GET(uart_reg_read(UARTDATA_ADDRESS))); }