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#include "mbed.h"
Serial pc(USBTX, USBRX);
#if defined(TARGET_LPC4088)
Serial uart(P4_22, P4_23);
#elif defined(TARGET_MAXWSNENV)
Serial uart(P0_1, P0_0);
#else
Serial uart(p9, p10);
#endif
DigitalOut led1(LED1);
DigitalOut led2(LED2);
// This function is called when a character goes into the RX buffer.
void rxCallback(void) {
led1 = !led1;
pc.putc(uart.getc());
}
int main() {
// Use a deliberatly slow baud to fill up the TX buffer
uart.baud(1200);
uart.attach(&rxCallback, Serial::RxIrq);
printf("Starting test loop:\n");
wait(1);
int c = 'A';
for (int loop = 0; loop < 512; loop++) {
uart.printf("%c", c);
c++;
if (c > 'Z') c = 'A';
}
while (true) {
led2 = !led2;
wait(1);
}
}
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