main.cpp

00001 #include "mbed.h"
00002 
00003 #if defined(TARGET_LPC1768)
00004 #define UART_TX             p9
00005 #define UART_RX             p10
00006 #define FLOW_CONTROL_RTS    p30
00007 #define FLOW_CONTROL_CTS    p29
00008 #define RTS_CHECK_PIN       p8
00009 
00010 #elif defined(TARGET_SAMR21G18A)
00011 #define UART_TX             PA04
00012 #define UART_RX             PA05
00013 #define FLOW_CONTROL_RTS    PA06
00014 #define FLOW_CONTROL_CTS    PA07
00015 #define RTS_CHECK_PIN       PB03
00016 
00017 #elif defined(TARGET_SAMD21J18A) /*USB debug port is not having RTS and CTS pins in expansion connectors in D21 Xplained Pro Board*/
00018 #define UART_TX             PA22 /* Short this pin to PA04 */
00019 #define UART_RX             PA23 /* Short this pin to PA05 */
00020 #define FLOW_CONTROL_RTS    PA24
00021 #define FLOW_CONTROL_CTS    PA25
00022 #define RTS_CHECK_PIN       PB03
00023 
00024 #elif defined(TARGET_SAMD21G18A) /*USB debug port is not having RTS and CTS pins in expansion connectors in W25 Xplained Pro Board*/
00025 #define UART_TX             PA16 /* Short this pin to PB10 */
00026 #define UART_RX             PA17 /* Short this pin to PB11 */
00027 #define FLOW_CONTROL_RTS    PA18
00028 #define FLOW_CONTROL_CTS    PA19
00029 #define RTS_CHECK_PIN       PB03
00030 
00031 #elif defined(TARGET_SAMG55J19) 
00032 #define UART_TX             PA28 
00033 #define UART_RX             PA27 
00034 #define FLOW_CONTROL_RTS    PA31
00035 #define FLOW_CONTROL_CTS    PA30
00036 #define RTS_CHECK_PIN       PA18
00037 
00038 #else
00039 #error This test is not supported on this target
00040 #endif
00041 
00042 Serial pc(UART_TX, UART_RX);
00043 
00044 #ifdef RTS_CHECK_PIN
00045 InterruptIn in(RTS_CHECK_PIN);
00046 DigitalOut led(LED1);
00047 static void checker(void) {
00048   led = !led;
00049 }
00050 #endif
00051 
00052 int main() {
00053     char buf[256];
00054 
00055     pc.set_flow_control(Serial::RTSCTS, FLOW_CONTROL_RTS, FLOW_CONTROL_CTS);
00056 #ifdef RTS_CHECK_PIN
00057     in.fall(checker);
00058 #endif
00059     while (1) {
00060         pc.gets(buf, 256);
00061         pc.printf("%s", buf);
00062     }
00063 }