void hexbright::init_hardware() {
// These next 8 commands are for reference and cost nothing,
// as we are initializing the values to their default state.
pinModeFast(DPIN_PWR, OUTPUT);
digitalWriteFast(DPIN_PWR, LOW);
pinModeFast(DPIN_RLED_SW, INPUT);
pinModeFast(DPIN_GLED, OUTPUT);
pinModeFast(DPIN_DRV_MODE, OUTPUT);
pinModeFast(DPIN_DRV_EN, OUTPUT);
digitalWriteFast(DPIN_DRV_MODE, LOW);
digitalWriteFast(DPIN_DRV_EN, LOW);
#if (DEBUG!=DEBUG_OFF)
// Initialize serial busses
Serial.begin(9600);
Wire.begin();
Serial.println("DEBUG MODE ON");
#endif
#if (DEBUG!=DEBUG_OFF && DEBUG!=DEBUG_PRINT)
if(DEBUG==DEBUG_LIGHT) {
// do a full light range sweep, (printing all light intensity info)
set_light(0,1000,update_delay*1002);
} else if (DEBUG==DEBUG_TEMP) {
set_light(0, MAX_LEVEL, NOW);
} else if (DEBUG==DEBUG_LOOP) {
// note the use of TIME_MS/update_delay.
set_light(0, MAX_LEVEL, 2500/update_delay);
}
#ifdef FREE_RAM
Serial.print("Ram available: ");
Serial.print(freeRam());
Serial.println("/1024 bytes");
#endif
#ifdef FLASH_CHECKSUM
Serial.print("Flash checksum: ");
Serial.println(flash_checksum());
#endif
#endif // DEBUG!=DEBUG_OFF
#ifdef ACCELEROMETER
enable_accelerometer();
#endif
// was this power on from battery? if so, it was a button press, even if it was too fast to register.
read_charge_state();
if(get_charge_state()==BATTERY)
press_button();
continue_time = micros();
}
void hexbright::init_hardware() {
// These next 8 commands are for reference and cost nothing,
// as we are initializing the values to their default state.
pinModeFast(DPIN_PWR, OUTPUT);
digitalWriteFast(DPIN_PWR, LOW);
pinModeFast(DPIN_RLED_SW, INPUT);
pinModeFast(DPIN_GLED, OUTPUT);
pinModeFast(DPIN_DRV_MODE, OUTPUT);
pinModeFast(DPIN_DRV_EN, OUTPUT);
digitalWriteFast(DPIN_DRV_MODE, LOW);
digitalWriteFast(DPIN_DRV_EN, LOW);
#if (DEBUG!=DEBUG_OFF)
// Initialize serial busses
Serial.begin(9600);
Wire.begin();
Serial.println("DEBUG MODE ON");
#endif
#if (DEBUG!=DEBUG_OFF && DEBUG!=DEBUG_PRINT)
#ifdef FREE_RAM
Serial.print("Ram available: ");
Serial.print(freeRam());
Serial.println("/1024 bytes");
#endif
#ifdef FLASH_CHECKSUM
Serial.print("Flash checksum: ");
Serial.println(flash_checksum());
#endif
#endif //(DEBUG!=DEBUG_OFF && DEBUG!=DEBUG_PRINT)
#ifdef ACCELEROMETER
enable_accelerometer();
#endif
// was this power on from battery? if so, it was a button press, even if it was too fast to register.
read_charge_state();
if(get_charge_state()==BATTERY)
press_button();
continue_time = micros();
}
void hexbright::update() {
unsigned long now;
#if (DEBUG==DEBUG_LOOP)
unsigned long start_time=micros();
#endif
#ifdef STROBE
while (true) {
do {
now = micros();
} while (next_strobe > now && // not ready for strobe
continue_time > now); // not ready for update
if (next_strobe <= now) {
if (now - next_strobe <26) {
digitalWriteFast(DPIN_DRV_EN, HIGH);
delayMicroseconds(strobe_duration);
digitalWriteFast(DPIN_DRV_EN, LOW);
}
next_strobe += strobe_delay;
}
if(continue_time <= now) {
if(strobe_delay>update_delay && // we strobe less than once every 8333 microseconds
next_strobe-continue_time < 4000) // and the next strobe is within 4000 microseconds (may occur before we return)
continue;
else
break;
}
} // do nothing... (will short circuit once every 70 minutes (micros maxint))
#else
do {
now = micros();
} while (continue_time > now); // not ready for update
#endif
// if we're in debug mode, let us know if our loops are too large
#if (DEBUG!=DEBUG_OFF && DEBUG!=DEBUG_PRINT)
static int i=0;
#if (DEBUG==DEBUG_LOOP)
static unsigned long last_time = 0;
if(!i) {
Serial.print("Time used: ");
Serial.print(start_time-last_time);
Serial.println("/8333");
}
last_time = now;
#endif
if(now-continue_time>5000 && !i) {
// This may be caused by too much processing for our update_delay, or by too many print statements)
// If you're triggering this, your button and light will react more slowly, and some accelerometer
// data is being missed.
Serial.println("WARNING: code is too slow");
}
if (!i)
i=1000/update_delay; // display loop output every second
else
i--;
#endif
// power saving modes described here: http://www.atmel.com/Images/2545s.pdf
//run overheat protection, time display, track battery usage
#ifdef LED
// regardless of desired led state, turn it off so we can read the button
_led_off(RLED);
delayMicroseconds(50); // let the light stabilize...
read_button();
// turn on (or off) the leds, if appropriate
adjust_leds();
#ifdef PRINT_NUMBER
update_number();
#endif
#else
read_button();
#endif
read_thermal_sensor(); // takes about .2 ms to execute (fairly long, relative to the other steps)
read_charge_state();
read_avr_voltage();
#ifdef ACCELEROMETER
read_accelerometer();
find_down();
#endif
detect_overheating();
detect_low_battery();
apply_max_light_level();
// change light levels as requested
adjust_light();
// advance time at the same rate as values are changed in the accelerometer.
// advance continue_time here, so the first run through short-circuits,
// meaning we will read hardware immediately after power on.
continue_time = continue_time+(1000*update_delay);
}
