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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
master
gdisirio 2012-06-23 15:21:44 +00:00
parent 2abe2c479f
commit fdc0555892
2 changed files with 11 additions and 6 deletions
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2
readme.txt
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@ -175,7 +175,7 @@
support several new devices. support several new devices.
- NEW: Demo for STM32F0-Discovery board. - NEW: Demo for STM32F0-Discovery board.
- NEW: Initial support for STM32F0xx devices, added a specific ADC driver. - NEW: Initial support for STM32F0xx devices, added a specific ADC driver.
Validated EXT, PAL, Serial, SPI drivers. Validated EXT, GPT, ICU, PAL, PWM, Serial, SPI drivers.
- NEW: Added a common ancestor class to the SDC and MMC_SPI drivers. This - NEW: Added a common ancestor class to the SDC and MMC_SPI drivers. This
allows to share code and definitions. allows to share code and definitions.
- NEW: Modified the SDC driver to implement the new block devices abstract - NEW: Modified the SDC driver to implement the new block devices abstract

15
testhal/STM32F0xx/PWM-ICU/main.c
View File

@ -60,12 +60,17 @@ static void icuperiodcb(ICUDriver *icup) {
last_period = icuGetPeriod(icup); last_period = icuGetPeriod(icup);
} }
static void icuoverflowcb(ICUDriver *icup) {
(void)icup;
}
static ICUConfig icucfg = { static ICUConfig icucfg = {
ICU_INPUT_ACTIVE_HIGH, ICU_INPUT_ACTIVE_HIGH,
10000, /* 10kHz ICU clock frequency. */ 10000, /* 10kHz ICU clock frequency. */
icuwidthcb, icuwidthcb,
icuperiodcb, icuperiodcb,
NULL, icuoverflowcb,
ICU_CHANNEL_1 ICU_CHANNEL_1
}; };
@ -86,14 +91,14 @@ int main(void) {
/* /*
* Initializes the PWM driver 2 and ICU driver 3. * Initializes the PWM driver 2 and ICU driver 3.
* GPIOA15 is the PWM output. * GPIOA6 is the ICU input (CH1).
* GPIOC6 is the ICU input. * GPIOA15 is the PWM output (CH1).
* The two pins have to be externally connected together. * The two pins have to be externally connected together.
*/ */
pwmStart(&PWMD2, &pwmcfg); pwmStart(&PWMD2, &pwmcfg);
palSetPadMode(GPIOA, 15, PAL_MODE_ALTERNATE(1)); palSetPadMode(GPIOA, 15, PAL_MODE_ALTERNATE(2));
icuStart(&ICUD3, &icucfg); icuStart(&ICUD3, &icucfg);
palSetPadMode(GPIOC, 6, PAL_MODE_ALTERNATE(2)); palSetPadMode(GPIOA, 6, PAL_MODE_ALTERNATE(1));
icuEnable(&ICUD3); icuEnable(&ICUD3);
chThdSleepMilliseconds(2000); chThdSleepMilliseconds(2000);