"app_timer"
static void timers_init(void)
{
ret_code_t err_code;
// Initialize timer module.
err_code = app_timer_init();
APP_ERROR_CHECK(err_code);
err_code = app_timer_create(&m_heart_rate_timer_id,
APP_TIMER_MODE_REPEATED,
heart_rate_meas_timeout_handler);
APP_ERROR_CHECK(err_code);
}
"pwm_library"
APP_PWM_INSTANCE(PWM1,1); // Create the instance "PWM1" using TIMER1.
void init_pwm(void)
{
ret_code_t err_code;
app_pwm_config_t pwm1_cfg = APP_PWM_DEFAULT_CONFIG_1CH(5, PWM_DRIVER_PIN);
pwm1_cfg.pin_polarity[1] = APP_PWM_POLARITY_ACTIVE_HIGH;
err_code = app_pwm_init(&PWM1,&pwm1_cfg,pwm_ready_callback);
APP_ERROR_CHECK(err_code);
}
"nrf_drv_timer "
const nrf_drv_timer_t MYTIMER_2 = NRF_DRV_TIMER_INSTANCE(2);
void init_my_timer(void)
{
ret_code_t err_code;
uint32_t time_us = 60, time_ticks;
nrf_drv_timer_config_t timer_cfg = NRF_DRV_TIMER_DEFAULT_CONFIG;
err_code = nrf_drv_timer_init(&MYTIMER_2, &timer_cfg, mytimer_event_handler);
APP_ERROR_CHECK(err_code);
time_ticks = nrf_drv_timer_us_to_ticks(&MYTIMER_2, time_us);
nrf_drv_timer_extended_compare(
&MYTIMER_2, NRF_TIMER_CC_CHANNEL0, time_ticks, NRF_TIMER_SHORT_COMPARE0_CLEAR_MASK, true);
}
main
int main(void)
{
bool erase_bonds = false;
log_init();
// Initialize.
timers_init();
ble_stack_init();
gap_params_init();
gatt_init();
advertising_init();
services_init();
conn_params_init();
peer_manager_init();
// Start execution.
NRF_LOG_INFO("Heart Rate Sensor example started.");
application_timers_start();
advertising_start(erase_bonds);
init_my_timer();//------------------1
init_pwm();//-----------------------2
// Enter main loop.
for (;;)
{
if (NRF_LOG_PROCESS() == false)
{
power_manage();
}
}
}
nRF5_SDK_14.0.0_3bcc1f7
as above hree pieces of code, if put them together with softdevice, i can get fault when run to "main()-------init_pwm();//-----------------------2"
debug "init_pwm();" in function :
ret_code_t app_pwm_init(app_pwm_t const * const p_instance, app_pwm_config_t const * const p_config,
app_pwm_callback_t p_ready_callback)
{
............................
............................
............................
// Initialize timer:
nrf_timer_frequency_t timer_freq = pwm_calculate_timer_frequency(p_config->period_us);
nrf_drv_timer_config_t timer_cfg = {
.frequency = timer_freq,
.mode = NRF_TIMER_MODE_TIMER,
.bit_width = NRF_TIMER_BIT_WIDTH_16,
.interrupt_priority = APP_IRQ_PRIORITY_LOWEST,
.p_context = (void *) (uint32_t) p_instance->p_timer->instance_id
};
err_code = nrf_drv_timer_init(p_instance->p_timer, &timer_cfg,
pwm_ready_tick);//---------------------------3
if (err_code != NRF_SUCCESS)
{
pwm_dealloc(p_instance);
return err_code;
}
............................
............................
............................
}
"nrf_drv_timer_init" return "NRF_ERROR_INVALID_STATE".
How do they conflict with each other?
