I am trying to use a hardware timer to change the pulse rate of the pwm every 32 microseconds.
I tried something out but I can't get it working.Can somebody post an example of the hardware timer usage or is there an app that already uses it?
Inside create() function,
devlpm_registerForLowPowerQueries(ws_upgrade_uart_device_lpm_queriable, 0);//callback returns 0
//register callback when pwm time expires
hw_timer_register_timer_expired_callback((HW_TIMER_EXPIRED_CALLBACK_FN)pwm_callback);//register callback
pwm_setReset(1 << PWM3, 0);
pwm_start(PWM3, PMU_CLK,pwm_init,pwm_toggle);// Enable Output of the PWM
gpio_configurePin((GPIO_PIN_P13) / 16, (GPIO_PIN_P13) % 16, PWM3_OUTPUT_ENABLE_P13, 0);
hw_timer_start(35); //start timer
void pwm_callback(void){
if(pwm_toggle==0x3FF)
pwm_toggle=0x3BF;
else
pwm_toggle++;
pwm_start(PWM3, PMU_CLK,pwm_init,pwm_toggle); change the pwm pulse rate
hw_timer_start(35);
}
}}
Can anyone verify if I am doing something wrong here?
Any help is appreciated.
Thanks.
