STM32 ADC: replace flags type from int to bool

Author: bcostm

targets/TARGET_STM/TARGET_STM32F0/analogin_device.c

@@ -35,10 +35,11 @@
 #include "pinmap.h"
 #include "mbed_error.h"
 #include "PeripheralPins.h"
+#include <stdbool.h>
 
 void analogin_init(analogin_t *obj, PinName pin)
 {
-    static int adc_calibrated = 0;
+    static bool adc_calibrated = false;
     uint32_t function = (uint32_t)NC;
 
     // ADC Internal Channels "pins"  (Temperature, Vref, Vbat, ...)
@@ -89,8 +90,8 @@ void analogin_init(analogin_t *obj, PinName pin)
     }
 
     // ADC calibration is done only once
-    if (adc_calibrated == 0) {
-        adc_calibrated = 1;
+    if (!adc_calibrated) {
+        adc_calibrated = true;
         HAL_ADCEx_Calibration_Start(&obj->handle);
     }
 }

targets/TARGET_STM/TARGET_STM32F1/analogin_device.c

@@ -35,10 +35,11 @@
 #include "pinmap.h"
 #include "mbed_error.h"
 #include "PeripheralPins.h"
+#include <stdbool.h>
 
 void analogin_init(analogin_t *obj, PinName pin)
 {
-    static int adc_calibrated = 0;
+    static bool adc_calibrated = false;
     RCC_PeriphCLKInitTypeDef  PeriphClkInit;
     uint32_t function = (uint32_t)NC;
 
@@ -85,8 +86,8 @@ void analogin_init(analogin_t *obj, PinName pin)
     }
 
     // This section is done only once
-    if (adc_calibrated == 0) {
-        adc_calibrated = 1;
+    if (!adc_calibrated) {
+        adc_calibrated = true;
         // Configure ADC clock prescaler
         // Caution: On STM32F1, ADC clock frequency max is 14 MHz (refer to device datasheet).
         // Therefore, ADC clock prescaler must be configured in function

targets/TARGET_STM/TARGET_STM32F3/analogin_device.c

@@ -35,10 +35,11 @@
 #include "pinmap.h"
 #include "mbed_error.h"
 #include "PeripheralPins.h"
+#include <stdbool.h>
 
 void analogin_init(analogin_t *obj, PinName pin)
 {
-    static int adc_calibrated = 0;
+    static bool adc_calibrated = false;
     uint32_t function = (uint32_t)NC;
 
     // ADC Internal Channels "pins"  (Temperature, Vref, Vbat, ...)
@@ -109,8 +110,8 @@ void analogin_init(analogin_t *obj, PinName pin)
     }
 
     // ADC calibration is done only once
-    if (adc_calibrated == 0) {
-        adc_calibrated = 1;
+    if (!adc_calibrated) {
+        adc_calibrated = true;
         HAL_ADCEx_Calibration_Start(&obj->handle, ADC_SINGLE_ENDED);
     }
 }

targets/TARGET_STM/TARGET_STM32L0/analogin_device.c

@@ -35,10 +35,11 @@
 #include "pinmap.h"
 #include "mbed_error.h"
 #include "PeripheralPins.h"
+#include <stdbool.h>
 
 void analogin_init(analogin_t *obj, PinName pin)
 {
-    static int adc_calibrated = 0;
+    static bool adc_calibrated = false;
     uint32_t function = (uint32_t)NC;
 
     // ADC Internal Channels "pins"  (Temperature, Vref, Vbat, ...)
@@ -92,8 +93,8 @@ void analogin_init(analogin_t *obj, PinName pin)
     }
 
     // ADC calibration is done only once
-    if (adc_calibrated == 0) {
-        adc_calibrated = 1;
+    if (!adc_calibrated) {
+        adc_calibrated = true;
         HAL_ADCEx_Calibration_Start(&obj->handle, ADC_SINGLE_ENDED);
     }
 

targets/TARGET_STM/TARGET_STM32L1/analogin_device.c

@@ -35,10 +35,11 @@
 #include "pinmap.h"
 #include "mbed_error.h"
 #include "PeripheralPins.h"
+#include <stdbool.h>
 
 void analogin_init(analogin_t *obj, PinName pin)
 {
-    static int adc_hsi_inited = 0;
+    static bool adc_hsi_inited = false;
     RCC_OscInitTypeDef RCC_OscInitStruct;
     uint32_t function = (uint32_t)NC;
 
@@ -92,8 +93,8 @@ void analogin_init(analogin_t *obj, PinName pin)
     }
 
     // This section is done only once
-    if (adc_hsi_inited == 0) {
-        adc_hsi_inited = 1;
+    if (!adc_hsi_inited) {
+        adc_hsi_inited = true;
         // Enable the HSI (to clock the ADC)
         RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
         RCC_OscInitStruct.HSIState       = RCC_HSI_ON;

targets/TARGET_STM/TARGET_STM32L4/analogin_device.c

@@ -35,10 +35,11 @@
 #include "pinmap.h"
 #include "mbed_error.h"
 #include "PeripheralPins.h"
+#include <stdbool.h>
 
 void analogin_init(analogin_t *obj, PinName pin)
 {
-    static int adc_calibrated = 0;
+    static bool adc_calibrated = false;
     uint32_t function = (uint32_t)NC;
 
     // ADC Internal Channels "pins"  (Temperature, Vref, Vbat, ...)
@@ -93,8 +94,8 @@ void analogin_init(analogin_t *obj, PinName pin)
     }
 
     // ADC calibration is done only once
-    if (adc_calibrated == 0) {
-        adc_calibrated = 1;
+    if (!adc_calibrated) {
+        adc_calibrated = true;
         HAL_ADCEx_Calibration_Start(&obj->handle, ADC_SINGLE_ENDED);
     }
 }