Diff: main.cpp

Revision:

0:7adc363a814e

Child:

1:d208073b902e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 22 13:51:52 2017 +0000
@@ -0,0 +1,75 @@
+#include "mbed.h"
+
+#define TEMP130_CAL_ADDR ((uint16_t*) ((uint32_t) 0x1FF8007E))
+#define TEMP30_CAL_ADDR ((uint16_t*) ((uint32_t) 0x1FF8007A))
+#define VDD_CALIB ((uint16_t) (300))
+#define VDD_APPLI ((uint16_t) (330))
+Serial pcMain(USBTX, USBRX);
+
+
+int32_t ComputeTemperature(uint32_t measure)
+{
+  int32_t temperature;
+  temperature = ((measure * VDD_APPLI / VDD_CALIB) - (int32_t)*TEMP30_CAL_ADDR );
+  temperature = temperature *(int32_t)(130-30);
+  temperature = temperature /(int32_t)(*TEMP130_CAL_ADDR -*TEMP30_CAL_ADDR);
+  temperature = temperature + 30;
+  return(temperature);
+}
+
+
+void ConfigTemperature(void){
+    //Clock configuration
+    RCC->APB2ENR |= RCC_APB2ENR_ADC1EN;
+    ADC1->CFGR2 |= ADC_CFGR2_CKMODE;
+
+    //*******************//NEW PART BEGIN//******************//
+    //ADC Calibration
+    if ((ADC1->CR & ADC_CR_ADEN) != 0) /* (1) */
+    {
+     ADC1->CR &= (uint32_t)(~ADC_CR_ADEN); /* (2) */
+    }
+    ADC1->CR |= ADC_CR_ADCAL; /* (3) */
+    while ((ADC1->ISR & ADC_ISR_EOCAL) == 0) /* (4) */
+    {
+        pcMain.printf("Calib");
+    }
+    ADC1->ISR |= ADC_ISR_EOCAL;
+    
+    //Enable the ADC
+    ADC1->ISR |= ADC_ISR_ADRDY; /* (1) */
+    ADC1->CR |= ADC_CR_ADEN; /* (2) */
+    if ((ADC1->CFGR1 & ADC_CFGR1_AUTOFF) == 0)
+    {
+     while ((ADC1->ISR & ADC_ISR_ADRDY) == 0) /* (3) */
+     {
+         pcMain.printf("Enable");
+     }
+    }
+    //*******************//NEW PART END//******************//
+
+    //Configuration of the temp sensor
+    ADC1->CFGR1 |= ADC_CFGR1_CONT; /* (2) */
+    ADC1->CHSELR = ADC_CHSELR_CHSEL18; /* (3) */
+    ADC1->SMPR |= ADC_SMPR_SMP; /* (4) */
+    wait(1);
+    ADC->CCR |= ADC_CCR_TSEN;
+    wait(1);
+    uint32_t measure = ADC1->DR;
+    pcMain.printf("Measure %u\n\r", measure);
+    pcMain.printf("The temperature value is %i\n\r",ComputeTemperature(measure));
+
+}
+
+/***************************************************************************//**
+ * @fn main(void)
+ * @brief Main of the project
+ * @param void
+ * @return int
+ * @author Edson CALSIN, Francois DREVETON, Simon NOWAK
+ *
+ ******************************************************************************/
+int main(void)
+{
+    ConfigTemperature();
+}