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// Tests SerialUSB functionality.
#include <wirish/wirish.h>
#include "usb_cdcacm.h"
#define QUICKPRINT 0
#define BIGSTUFF 1
#define NUMBERS 2
#define SIMPLE 3
#define ONOFF 4
uint32 state = 0;
void setup() {
/* Set up the LED to blink */
pinMode(BOARD_LED_PIN, OUTPUT);
/* Set up Serial2 for use as a debug channel */
Serial2.begin(9600);
Serial2.println("This is the debug channel. Press any key.");
while (!Serial2.available())
;
Serial2.read();
}
uint8 c1 = '-';
void loop() {
toggleLED();
delay(1000);
if (Serial2.available()) {
Serial2.read();
state++;
}
switch (state) {
case QUICKPRINT:
for (int i = 0; i < 30; i++) {
usb_cdcacm_putc((char)c1, 1);
SerialUSB.print('.');
SerialUSB.print('|');
}
Serial2.println(SerialUSB.pending(), DEC);
SerialUSB.println();
break;
case BIGSTUFF:
SerialUSB.println("0123456789012345678901234567890123456789"
"0123456789012345678901234567890123456789"
"012345678901234567890");
SerialUSB.println((int64)123456789, DEC);
SerialUSB.println(3.1415926535);
Serial2.println(SerialUSB.pending(), DEC);
break;
case NUMBERS:
SerialUSB.println("Numbers! -----------------------------");
Serial2.println("Numbers! -----------------------------");
SerialUSB.println('1');
Serial2.println('1');
SerialUSB.println(1, DEC);
Serial2.println(1, DEC);
SerialUSB.println(-1, DEC);
Serial2.println(-1, DEC);
SerialUSB.println(3.14159265);
Serial2.println(3.14159265);
SerialUSB.println(123456789, DEC);
Serial2.println(123456789, DEC);
SerialUSB.println(-123456789, DEC);
Serial2.println(-123456789, DEC);
SerialUSB.println(65535, HEX);
Serial2.println(65535, HEX);
break;
case SIMPLE:
Serial2.println("Trying write('a')");
SerialUSB.write('a');
Serial2.println("Trying write(\"b\")");
SerialUSB.write("b");
Serial2.println("Trying print('c')");
SerialUSB.print('c');
Serial2.println("Trying print(\"d\")");
SerialUSB.print("d");
Serial2.println("Trying print(\"efg\")");
SerialUSB.print("efg");
Serial2.println("Trying println(\"hij\\n\\r\")");
SerialUSB.print("hij\n\r");
SerialUSB.write(' ');
SerialUSB.println();
Serial2.println("Trying println(123456789, DEC)");
SerialUSB.println(123456789, DEC);
Serial2.println("Trying println(3.141592)");
SerialUSB.println(3.141592);
Serial2.println("Trying println(\"DONE\")");
SerialUSB.println("DONE");
break;
case ONOFF:
Serial2.println("Shutting down...");
SerialUSB.println("Shutting down...");
SerialUSB.end();
Serial2.println("Waiting 4 seconds...");
delay(4000);
Serial2.println("Starting up...");
SerialUSB.begin();
SerialUSB.println("Hello World!");
Serial2.println("Waiting 4 seconds...");
delay(4000);
state++;
break;
default:
state = 0;
}
}
// Force init to be called *first*, i.e. before static object allocation.
// Otherwise, statically allocated objects that need libmaple may fail.
__attribute__((constructor)) void premain() {
init();
}
int main(void) {
setup();
while (true) {
loop();
}
return 0;
}
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