//int main_app(IN u16 argc, IN u8 *argv[])
void main(void)
{
int i;
for (i=0; i<4; i++) {
pwmout_init(&pwm_led[i], pwm_led_pin[i]);
pwmout_period_us(&pwm_led[i], PWM_PERIOD);
}
while (1) {
#if USE_FLOAT
for (i=0; i<4; i++) {
pwmout_write(&pwm_led[i], pwms[i]);
pwms[i] += steps[i];
if (pwms[i] >= 1.0) {
steps[i] = -PWM_STEP;
pwms[i] = 1.0;
}
if (pwms[i] <= 0.0) {
steps[i] = PWM_STEP;
pwms[i] = 0.0;
}
}
#else
for (i=0; i<4; i++) {
pwmout_pulsewidth_us(&pwm_led[i], pwms[i]);
pwms[i] += steps[i];
if (pwms[i] >= PWM_PERIOD) {
steps[i] = -PWM_STEP;
pwms[i] = PWM_PERIOD;
}
if (pwms[i] <= 0) {
steps[i] = PWM_STEP;
pwms[i] = 0;
}
}
#endif
// wait_ms(20);
// RtlMsleepOS(25);
pwm_delay();
}
}
// Right now, PWM output only works on the pins with
// hardware support. These are defined in the appropriate
// pins_*.c file. For the rest of the pins, we default
// to digital output.
void analogWrite(uint32_t ulPin, uint32_t ulValue)
{
pwmout_t *pObj;
if ( ulPin < 0 || ulPin > 13 ) return;
/* Handle */
if ( g_APinDescription[ulPin].ulPinType != PIO_PWM )
{
pwmout_init(&pwm_pins[ulPin], g_APinDescription[ulPin].pinname);
g_APinDescription[ulPin].ulPinType = PIO_PWM;
}
pObj = &pwm_pins[ulPin];
pObj->pulse = pObj->period * ulValue / 256;
HAL_Pwm_SetDuty(pObj->pwm_idx, pObj->period, pObj->pulse);
}
