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| author | pcirillo <pcirillo@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-06-01 08:46:31 +0000 |
|---|---|---|
| committer | pcirillo <pcirillo@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-06-01 08:46:31 +0000 |
| commit | ee5f4545778c7712d0fcc0dfbd8c5b11a89d1027 (patch) | |
| tree | 543fd18e4eb61e93638bd24373e9dd808a17e6f8 /testhal/SPC564Axx/ICU-PWM/main.c | |
| parent | 09b9d8de341c01ad93ca7885d771750fe84419d8 (diff) | |
| download | ChibiOS-ee5f4545778c7712d0fcc0dfbd8c5b11a89d1027.tar.gz ChibiOS-ee5f4545778c7712d0fcc0dfbd8c5b11a89d1027.tar.bz2 ChibiOS-ee5f4545778c7712d0fcc0dfbd8c5b11a89d1027.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5783 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testhal/SPC564Axx/ICU-PWM/main.c')
| -rw-r--r-- | testhal/SPC564Axx/ICU-PWM/main.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/testhal/SPC564Axx/ICU-PWM/main.c b/testhal/SPC564Axx/ICU-PWM/main.c new file mode 100644 index 000000000..fbaf98376 --- /dev/null +++ b/testhal/SPC564Axx/ICU-PWM/main.c @@ -0,0 +1,142 @@ +/*
+ * Licensed under ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* Inclusion of the main header files of all the imported components in the
+ order specified in the application wizard. The file is generated
+ automatically.*/
+#include "components.h"
+
+static void pwmpcb(PWMDriver *pwmp) {
+
+ (void)pwmp;
+ palClearPad(PORT11, P11_LED1);
+}
+
+static void pwmc1cb(PWMDriver *pwmp) {
+
+ (void)pwmp;
+ palSetPad(PORT11, P11_LED1);
+}
+
+static PWMConfig pwmcfg = {
+ 187500, /* 187500Hz PWM clock frequency.*/
+ 19500, /* Initial PWM period 0.1040s.*/
+ pwmpcb,
+ {
+ {PWM_OUTPUT_ACTIVE_HIGH, pwmc1cb}
+ },
+ PWM_ALIGN_EDGE
+};
+
+icucnt_t last_width, last_period;
+
+static void icuwidthcb(ICUDriver *icup) {
+
+ palSetPad(PORT11, P11_LED2);
+ last_width = icuGetWidth(icup);
+}
+
+static void icuperiodcb(ICUDriver *icup) {
+
+ palClearPad(PORT11, P11_LED2);
+ last_period = icuGetPeriod(icup);
+}
+
+static ICUConfig icucfg = {
+ ICU_INPUT_ACTIVE_HIGH,
+ 187500, /* 187500Hz ICU clock frequency.*/
+ icuwidthcb,
+ icuperiodcb,
+ NULL
+};
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+
+ /* Initialization of all the imported components in the order specified in
+ the application wizard. The function is generated automatically.*/
+ componentsInit();
+
+ palClearPad(PORT11, P11_LED4);
+
+ /*
+ * Initializes the PWM driver 6 and ICU driver 3.
+ * PIN78 is the PWM output.
+ * PIN65 is the ICU input.
+ * The two pins have to be externally connected together.
+ */
+
+ /* Sets PIN65 alternative function.*/
+ SIU.PCR[181].R = 0b0000010100001100;
+
+ /* Sets PIN78 alternative function.*/
+ SIU.PCR[193].R = 0b0000011000001100;
+
+ icuStart(&ICUD3, &icucfg);
+ icuEnable(&ICUD3);
+ pwmStart(&PWMD6, &pwmcfg);
+
+ chThdSleepMilliseconds(2000);
+
+ /*
+ * Starts the PWM channel 0 using 75% duty cycle.
+ */
+ pwmEnableChannel(&PWMD6, 0, PWM_PERCENTAGE_TO_WIDTH(&PWMD6, 7500));
+ chThdSleepMilliseconds(5000);
+
+ /*
+ * Changes the PWM channel 0 to 50% duty cycle.
+ */
+ pwmEnableChannel(&PWMD6, 0, PWM_PERCENTAGE_TO_WIDTH(&PWMD6, 5000));
+ chThdSleepMilliseconds(5000);
+
+ /*
+ * Changes the PWM channel 0 to 25% duty cycle.
+ */
+ pwmEnableChannel(&PWMD6, 0, PWM_PERCENTAGE_TO_WIDTH(&PWMD6, 2500));
+ chThdSleepMilliseconds(5000);
+
+ /*
+ * Changes PWM period and the PWM channel 0 to 50% duty cycle.
+ */
+ pwmChangePeriod(&PWMD6, 25000);
+ pwmEnableChannel(&PWMD6, 0, PWM_PERCENTAGE_TO_WIDTH(&PWMD6, 5000));
+ chThdSleepMilliseconds(5000);
+
+ /*
+ * Disables PWM channel 0 and stops the drivers.
+ */
+ pwmDisableChannel(&PWMD6, 0);
+ pwmStop(&PWMD6);
+
+ /*
+ * Disables and stops the ICU drivers.
+ */
+
+ icuDisable(&ICUD3);
+ icuStop(&ICUD3);
+
+ palClearPad(PORT11, P11_LED3);
+ palClearPad(PORT11, P11_LED4);
+
+ /*
+ * Normal main() thread activity, in this demo it does nothing.
+ */
+ while (TRUE) {
+ chThdSleepMilliseconds(500);
+ }
+ return 0;
+}
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