void sw_timer_init(struct sw_timer_module *const module_inst, struct sw_timer_config *const config)
{
struct tcc_config tcc_conf;
struct tcc_module *tcc_module;
Tcc *hw[] = TCC_INSTS;
Assert(module_inst);
Assert(config);
Assert(config->tcc_dev < TCC_INST_NUM);
Assert(config->tcc_callback_channel < TCC_NUM_CHANNELS);
module_inst->accuracy = config->accuracy;
/* Start the TCC module. */
tcc_module = &module_inst->tcc_inst;
tcc_get_config_defaults(&tcc_conf, hw[config->tcc_dev]);
tcc_conf.counter.period = system_cpu_clock_get_hz() / (64 * 1000 / config->accuracy);
tcc_conf.counter.clock_prescaler = TCC_CLOCK_PRESCALER_DIV64;
tcc_init(tcc_module, hw[config->tcc_dev], &tcc_conf);
tcc_register_callback(tcc_module, sw_timer_tcc_callback, config->tcc_callback_channel + TCC_CALLBACK_CHANNEL_0);
tcc_enable_callback(tcc_module, config->tcc_callback_channel + TCC_CALLBACK_CHANNEL_0);
}
/**
* \brief Main application function.
*
* Start the sensor task then start the scheduler.
*
* \return program return value.
*/
int main(void)
{
#if SAMD21
system_init();
#elif SAME70
sysclk_init();
board_init();
#endif
/* Initialize the UART console. */
configure_console();
/* Initialize the delay driver. */
delay_init();
/* Enable SysTick interrupt for non busy wait delay. */
#if SAMD21
if (SysTick_Config(system_cpu_clock_get_hz()/1000)) {
puts("main: SysTick configuration error!");
while (1);
}
#elif SAME70
if (SysTick_Config(sysclk_get_main_hz()/1000)) {
puts("main: SysTick configuration error!");
while (1);
}
#endif
/* Output example information */
puts(STRING_HEADER);
/* Start the demo task. */
demo_start();
return 0;
}
