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// Slave mode for Quality Assurance test
#include "wirish.h"
#define INTER_TOGGLE_DELAY_NORMAL 5
#define INTER_TOGGLE_DELAY_SLOW 80
void interToggleDelay(void);
void setup() {
pinMode(BOARD_LED_PIN, OUTPUT);
pinMode(BOARD_BUTTON_PIN, INPUT);
// All unused pins start out low.
for (int i = 0; i < BOARD_NR_GPIO_PINS; i++) {
if (boardUsesPin(i))
continue;
pinMode(i, OUTPUT);
digitalWrite(i, LOW);
}
SerialUSB.println("OK, starting...");
}
void loop() {
toggleLED();
delay(100);
toggleLED();
for (int i = 0; i < BOARD_NR_GPIO_PINS; i++) {
if (boardUsesPin(i))
continue;
// Bring just this pin high.
digitalWrite(i, HIGH);
// Give the master time to detect if any other pins also went high.
interToggleDelay();
// Bring this pin back low again; all pins should now be low.
digitalWrite(i, LOW);
// Give the master time to detect if any pins are still high.
interToggleDelay();
}
}
void interToggleDelay(void) {
if (digitalRead(BOARD_BUTTON_PIN)) { // don't pay the debouncing time
delay(INTER_TOGGLE_DELAY_SLOW);
} else {
delay(INTER_TOGGLE_DELAY_NORMAL);
}
}
// 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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