1 files changed, 7 insertions, 14 deletions
diff --git a/demos/ARMCM3-STM32F100-DISCOVERY-GCC/main.c b/demos/ARMCM3-STM32F100-DISCOVERY-GCC/main.c
index 4b5978775..9e2ee3a6b 100644
--- a/demos/ARMCM3-STM32F100-DISCOVERY-GCC/main.c
+++ b/demos/ARMCM3-STM32F100-DISCOVERY-GCC/main.c
@@ -32,7 +32,7 @@ static void spicb(SPIDriver *spip);
 #define ADC_GRP1_BUF_DEPTH      4
 
 /*
- * ADC samples buffer.
+ * ADC samples buffer.
  */
 static adcsample_t samples[ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH];
 
@@ -57,15 +57,9 @@ static const ADCConversionGroup adcgrpcfg = {
 };
 
 /*
- * ADC configuration structure, empty for STM32, there is nothing to configure.
- */
-static const ADCConfig adccfg = {
-};
-
-/*
  * PWM configuration structure.
  * Cyclic callback enabled, channels 3 and 4 enabled without callbacks,
- * the active state is a logic one.
+ * the active state is a logic one.
  */
 static PWMConfig pwmcfg = {
   pwmpcb,
@@ -113,7 +107,7 @@ static void pwmpcb(PWMDriver *pwmp) {
 /*
  * ADC end conversion callback.
  * The PWM channels are reprogrammed using the latest ADC samples.
- * The latest samples are transmitted into a single SPI transaction.
+ * The latest samples are transmitted into a single SPI transaction.
  */
 void adccb(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
 
@@ -143,7 +137,7 @@ void adccb(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
 }
 
 /*
- * SPI end transfer callback.
+ * SPI end transfer callback.
  */
 static void spicb(SPIDriver *spip) {
 
@@ -192,13 +186,13 @@ int main(void) {
   /*
    * If the user button is pressed after the reset then the test suite is
    * executed immediately before activating the various device drivers in
-   * order to not alter the benchmark scores.
+   * order to not alter the benchmark scores.
    */
   if (palReadPad(GPIOA, GPIOA_BUTTON))
     TestThread(&SD1);
 
   /*
-   * Initializes the SPI driver 1.
+   * Initializes the SPI driver 1.
    */
   spiStart(&SPID1, &spicfg);
 
@@ -217,7 +211,7 @@ int main(void) {
    * Initializes the ADC driver 1 and performs a conversion.
    * The pin PC0 on the port GPIOC is programmed as analog input.
    */
-  adcStart(&ADCD1, &adccfg);
+  adcStart(&ADCD1, NULL);
   palSetGroupMode(GPIOC, PAL_PORT_BIT(0), PAL_MODE_INPUT_ANALOG);
   adcConvert(&ADCD1, &adcgrpcfg, samples, ADC_GRP1_BUF_DEPTH);
 
@@ -237,5 +231,4 @@ int main(void) {
       TestThread(&SD1);
     chThdSleepMilliseconds(500);
   }
-  return 0;
 }