void Sensor_Configuration(void) {
ADC_CommonInitTypeDef ADC_CommonInitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
SensorGPIO_Configuration();
DMA2_Configuration();
GPIO_StructInit(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 |
GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_CommonInitStructure.ADC_Mode = ADC_DualMode_RegSimult;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_1;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
ADC1_Config();
ADC2_Config();
ADC_MultiModeDMARequestAfterLastTransferCmd(ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_Cmd(ADC2, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
}
int main(void)
{
//Initial Set-up of: SPI, USB, TIM2, and ADC
SysInit();
SysTickInit();
LMP_SPI_Init();
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
InitTIM2();
startUSBOTG();
ADC1_Config();
TIM_ITConfig(TIM4, TIM_IT_Update, ENABLE);
TIM_ITConfig(TIM4, TIM_IT_CC1, ENABLE);
//Main Loop: Transmit ADC result to PC
while (1)
{
//Read in from DMA buffer to output array
while(!ADCBuffer[399]); //Wait until last element of buffer is non-zero(testing)
for(int i = 0; i<400; i++) adc_16[i] = ADCBuffer[i];
//Convert 16b array elements in 4000 element array to 8 bit words and store in
//8000 element array
for (int i=0; i<800; i++)
{
if (i%2 == 0) adc_8[i] = (adc_16[i/2] >> 8);
else adc_8[i] = (adc_16[i/2]);
}
//Output 2000 element array of ADC results over USB VCP Data line
APP_Rx_ptr_out = 0;
APP_Rx_length = 0;
APP_Rx_ptr_in = 0;
//for (int i=0; i < 8; i++) VCP_DataTx(&adc_8[i], 1);
VCP_DataTx(&adc_8[55], 1);
}
/**
* @brief Start temperature monitoring thread
* @param none
* @retval none
*/
int start_Thread_Temperature(void) {
ADC1_Config(); /* configure temperature ADC */
tid_Thread_Temperature = osThreadCreate(osThread(Thread_Temperature), NULL);
if (!tid_Thread_Temperature) return -1;
return 0;
}
int main(void)
{
SystemInit();
Support_Config();
DAC1_Config_All();
ADC1_Config(160000);
while(1)
{
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f0xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f0xx.c file
*/
/* LCD Display init */
Display_Init();
/* Key button */
STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_GPIO);
/* Configures LED1 GPIO */
STM_EVAL_LEDInit(LED1);
/* Configure ADC1 Channel 11 */
ADC1_Config();
/* Infinite loop */
while (1)
{
/* Press Key button to get the converted data */
while(STM_EVAL_PBGetState(BUTTON_KEY) != RESET);
/* Get ADC1 converted data */
ADC1ConvertedValue =ADC_GetConversionValue(ADC1);
/* Compute the voltage */
ADC1ConvertedVoltage = (ADC1ConvertedValue *3300)/0xFFF;
/* Display converted data on the LCD */
Display();
}
}
void adc_f0_init(void)
{
ADC_GPIO_Config();
ADC1_Config();
}
int main(void)
{
/* MCU Configuration----------------------------------------------------------*/
HAL_Init(); /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
SystemClock_Config(); /* Configure the system clock */
ADC1_Config(); /* configure ADC1 */
Display_GPIO_Config(); /* Configure 7-Segment Displays */
Alarm_GPIO_Config(); /* Configure alarm pins */
initLCD(); /* configure LCD */
/* print temperature on the first line of the LCD */
returnHome(); /* just makes sure that start writing at the right place */
LCD_WriteString(" Temperature"); /* The 2 initial space are for centering */
adcState = malloc(sizeof(kalmanState)); /* Init Kalman Filter */
kalmanInit(adcState, INIT_q, INIT_r, INIT_x, INIT_p, INIT_k);
/* main program to run in this infinite loop */
while (1) {
if (adcTimer >= ADC_PERIOD) { /* 100Hz */
adcTimer = 0;
HAL_ADC_Start(&ADC1_Handle); /* start ADC conversion */
/* wait for the conversion to be done and get data */
if (HAL_ADC_PollForConversion(&ADC1_Handle, 1000000) == HAL_OK) {
adc_val = HAL_ADC_GetValue(&ADC1_Handle); /* get the value */
kalmanUpdate(adcState, adc_val); /* filter the data and update the filter parameters */
/* DON'T DELETE printf for matlab script */
//printf("%f,%f,%f,%f,%f,%f\n",adc_val, adcState->q,adcState->r, adcState->x, adcState->p, adcState->k);
temp = convertTemp(adcState->x); /* convert the filterd value of the ADC into temperature */
/* Alarm triggering */
if (temp > THRESHHOLD_TEMP) {
if ( filterAlarmCounter > 5 ){ /* 5 consecutive to avoid false positive */
trigger_alarm();
}
else {
filterAlarmCounter++;
}
}
else {
shutoff_alarm();
filterAlarmCounter = 0;
}
/* Update Measurement to Display at 2Hz */
if (updateMeasureForDisplayTimer >= UPDATE_MEASURE_PERIOD) {
updateMeasureForDisplayTimer = 0; /* reset the displayTimer tick */
displayTemp = temp;
displayTemp = floor(10 * displayTemp) / 10; /* truncate to 1 decimal without rounding */
/* LCD DISPLAY */
SetAdress(64); /* go to line 2 of LCD */
sprintf(tempToLCD, " %.1f", displayTemp); /* convert the float to a string and formats it */
LCD_WriteString(tempToLCD); /* print value to the LCD display */
/* LCD DISPLAY END */
}
}
}
/* here display runs at DISPLAY_7_SEGMENT_PERIOD speed, but displayTemp gets updated at 2Hz */
if(display7segTimer >= DISPLAY_7_SEGMENT_PERIOD) {
display7segTimer = 0;
display(displayTemp); /* display on 7-segment display */
}
}
}
