void banner()
{
//console banner
printf_P(PSTR("Syzygryd Memorial Cube Firmware. Hello!\n"));
//give the user a visual indication of battery health...
uint8_t bat = get_battery_percent();
if(bat == 0) {
lowbat();
} else {
// Show the battery level
send_rgb(100 - bat, bat, 0);
_delay_ms(1000);
send_rgb(0, 0, 0);
}
}
void main(void)
{
struct device *gpio_dev;
int ret;
int idx = 0;
int leds = 0;
gpio_dev = device_get_binding(GPIO_DRV_NAME);
if (!gpio_dev) {
printk("Cannot find %s!\n", GPIO_DRV_NAME);
return;
}
/* Setup GPIO output */
ret = gpio_pin_configure(gpio_dev, GPIO_DATA_PIN, (GPIO_DIR_OUT));
if (ret) {
printk("Error configuring " GPIO_NAME "%d!\n", GPIO_DATA_PIN);
}
ret = gpio_pin_configure(gpio_dev, GPIO_CLK_PIN, (GPIO_DIR_OUT));
if (ret) {
printk("Error configuring " GPIO_NAME "%d!\n", GPIO_CLK_PIN);
}
while (1) {
send_rgb(gpio_dev, APA102C_START_FRAME);
for (leds = 0; leds < NUM_LEDS; leds++) {
send_rgb(gpio_dev, rgb[(idx + leds) % NUM_RGB]);
}
/* If there are more LEDs linked together,
* then what NUM_LEDS is, the NUM_LEDS+1
* LED is going to be full bright.
*/
send_rgb(gpio_dev, APA102C_END_FRAME);
idx++;
if (idx >= NUM_RGB) {
idx = 0;
}
k_sleep(SLEEPTIME);
}
}
char ledCmdRgb(char *arg)
{
unsigned long r,g,b;
r = strtoul(arg, &arg, 16);
g = strtoul(arg, &arg, 16);
b = strtoul(arg, &arg, 16);
printf_P(PSTR("Setting LEDs (0x%lx, 0x%lx, 0x%lx)\n"), r, g, b);
send_rgb((uint16_t)r, (uint16_t)g, (uint16_t)b);
return 0;
}
//blink LEDs and turn off (in case of low battery)
void lowbat()
{
send_rgb(100, 0, 0);
_delay_ms(200);
send_rgb(0, 0, 0);
_delay_ms(200);
send_rgb(100, 0, 0);
_delay_ms(200);
send_rgb(0, 0, 0);
_delay_ms(200);
send_rgb(100, 0, 0);
_delay_ms(200);
send_rgb(0, 0, 0);
shutdown(1);
}
void shutdown(int forever)
{
// Turn off the LEDs
send_rgb(0,0,0);
// Reset the ADXL threshold level
adxl345_write(THRESH_ACT, 50); // Threshold to detect activity
// If we don't want to turn back on turn off the accelerometer
if(forever)
adxl345_write(POWER_CTL, 0);
// Loop until we die
while(1)
{
// Read the ADXL interrupts to clear out PWR_EN_ADXL
adxl345_read(INT_SOURCE);
// Lower the power latch (PWR_EN_CPU)
PORTC &= ~(_BV(PORTC4));
_delay_ms(5000);
}
}