PWM and ICU working on the STM32F0.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4329 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 10 insertions, 5 deletions

diff --git a/testhal/STM32F0xx/PWM-ICU/main.c b/testhal/STM32F0xx/PWM-ICU/main.c
index 8d771299a..2cabd2844 100644
--- a/testhal/STM32F0xx/PWM-ICU/main.c
+++ b/testhal/STM32F0xx/PWM-ICU/main.c
@@ -60,12 +60,17 @@ static void icuperiodcb(ICUDriver *icup) {
   last_period = icuGetPeriod(icup);

 }

 

+static void icuoverflowcb(ICUDriver *icup) {

+

+  (void)icup;

+}

+

 static ICUConfig icucfg = {

   ICU_INPUT_ACTIVE_HIGH,

   10000,                                    /* 10kHz ICU clock frequency.   */

   icuwidthcb,

   icuperiodcb,

-  NULL,

+  icuoverflowcb,

   ICU_CHANNEL_1

 };

 

@@ -86,14 +91,14 @@ int main(void) {
 

   /*

    * Initializes the PWM driver 2 and ICU driver 3.

-   * GPIOA15 is the PWM output.

-   * GPIOC6 is the ICU input.

+   * GPIOA6 is the ICU input (CH1).

+   * GPIOA15 is the PWM output (CH1).

    * The two pins have to be externally connected together.

    */

   pwmStart(&PWMD2, &pwmcfg);

-  palSetPadMode(GPIOA, 15, PAL_MODE_ALTERNATE(1));

+  palSetPadMode(GPIOA, 15, PAL_MODE_ALTERNATE(2));

   icuStart(&ICUD3, &icucfg);

-  palSetPadMode(GPIOC, 6, PAL_MODE_ALTERNATE(2));

+  palSetPadMode(GPIOA, 6, PAL_MODE_ALTERNATE(1));

   icuEnable(&ICUD3);

   chThdSleepMilliseconds(2000);