/**
* Initialize internal state of the cpu load process.
*/
void cpu_load_process_init()
{
(void)gpc_setup_reg(GPROT_CPU_LOAD, (u16 *)&cpu_load_process_state.mean_cycles);
(void)gpc_setup_reg(GPROT_CPU_LOAD_MAX, (u16 *)&cpu_load_process_state.max_cycles);
(void)gpc_setup_reg(GPROT_CPU_LOAD_MIN, (u16 *)&cpu_load_process_state.min_cycles);
(void)sys_tick_timer_register(cpu_load_process_soft_timer_callback,
CLP__TIME_BASE);
cpu_load_process_reset();
}
/**
* Sys Tick soft timer test main function
*/
int main(void){
uint32_t timer;
mcu_init();
led_init();
sys_tick_init();
(void)sys_tick_timer_register(sys_tick_timer_callback, 1000000);
while (true) {
timer = sys_tick_get_timer();
while (!sys_tick_check_timer(timer, 50000)) {
__asm("nop");
}
TOGGLE(LED_GREEN);
}
}
/**
* Callback from the soft sys tick timer
*/
void sys_tick_timer_callback(int id)
{
(void)sys_tick_timer_register(sys_tick_timer_callback_one_shot,
100000);
}
/**
* Initialize the ADC peripherals and internal state of the driver
*/
void adc_init(void)
{
NVIC_InitTypeDef nvic;
GPIO_InitTypeDef gpio;
ADC_InitTypeDef adc;
/* enable ADC1 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA |
RCC_APB2Periph_ADC1, ENABLE);
/* Configure and enable ADC interrupt */
nvic.NVIC_IRQChannel = ADC1_2_IRQn;
nvic.NVIC_IRQChannelPreemptionPriority = 0;
nvic.NVIC_IRQChannelSubPriority = 0;
nvic.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&nvic);
/* GPIOA: ADC Channel 0, 1, 2, 3 as analog input
* Ch 3 -> Battery Voltage
* Ch 4 -> Current
* Ch 5 -> Temperature
*/
gpio.GPIO_Pin =
GPIO_Pin_3 |
GPIO_Pin_4 |
GPIO_Pin_5;
gpio.GPIO_Mode = GPIO_Mode_AIN;
gpio.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &gpio);
adc_data.battery_voltage = 0;
adc_data.current = 0;
adc_data.temp = 0;
/* Configure ADC1 */
adc.ADC_Mode = ADC_Mode_Independent;
adc.ADC_ScanConvMode = ENABLE;
adc.ADC_ContinuousConvMode = ENABLE;
adc.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
adc.ADC_DataAlign = ADC_DataAlign_Right;
adc.ADC_NbrOfChannel = 0;
ADC_Init(ADC1, &adc);
ADC_InjectedSequencerLengthConfig(ADC1, 3);
ADC_InjectedChannelConfig(ADC1, ADC_CHANNEL_BATTERY_VOLTAGE, 1,
ADC_SampleTime_239Cycles5);
ADC_InjectedChannelConfig(ADC1, ADC_CHANNEL_CURRENT, 2,
ADC_SampleTime_239Cycles5);
ADC_InjectedChannelConfig(ADC1, ADC_CHANNEL_TEMP, 3,
ADC_SampleTime_239Cycles5);
/* ADC1 injected external trigger configuration */
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_None);
/* Enable ADC1 JEOC interrupt */
ADC_ITConfig(ADC1, ADC_IT_JEOC, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration */
while (ADC_GetResetCalibrationStatus(ADC1) == SET) ;
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while (ADC_GetCalibrationStatus(ADC1) == SET) ;
/* Start ADC1 Software Conversion */
ADC_SoftwareStartInjectedConvCmd(ADC1, ENABLE);
/* Register adc as a timed callback */
sys_tick_timer_register(adc_conv_trigger, 1000);
}
