mirror of
https://github.com/eried/portapack-mayhem.git
synced 2025-08-01 11:06:30 -04:00
ChibiOS 2.6.8, until I can figure out where to get it from git.
This commit is contained in:
parent
dc6fee8370
commit
e1eea8e08a
1929 changed files with 575326 additions and 0 deletions
141
firmware/chibios/testhal/STM32F1xx/PWM-ICU/main.c
Executable file
141
firmware/chibios/testhal/STM32F1xx/PWM-ICU/main.c
Executable file
|
@ -0,0 +1,141 @@
|
|||
/*
|
||||
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
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.
|
||||
*/
|
||||
|
||||
#include "ch.h"
|
||||
#include "hal.h"
|
||||
|
||||
static void pwmpcb(PWMDriver *pwmp) {
|
||||
|
||||
(void)pwmp;
|
||||
palSetPad(IOPORT3, GPIOC_LED);
|
||||
}
|
||||
|
||||
static void pwmc1cb(PWMDriver *pwmp) {
|
||||
|
||||
(void)pwmp;
|
||||
palClearPad(IOPORT3, GPIOC_LED);
|
||||
}
|
||||
|
||||
static PWMConfig pwmcfg = {
|
||||
10000, /* 10kHz PWM clock frequency. */
|
||||
10000, /* Initial PWM period 1S. */
|
||||
pwmpcb,
|
||||
{
|
||||
{PWM_OUTPUT_ACTIVE_HIGH, pwmc1cb},
|
||||
{PWM_OUTPUT_DISABLED, NULL},
|
||||
{PWM_OUTPUT_DISABLED, NULL},
|
||||
{PWM_OUTPUT_DISABLED, NULL}
|
||||
},
|
||||
0,
|
||||
0,
|
||||
#if STM32_PWM_USE_ADVANCED
|
||||
0
|
||||
#endif
|
||||
};
|
||||
|
||||
icucnt_t last_width, last_period;
|
||||
|
||||
static void icuwidthcb(ICUDriver *icup) {
|
||||
|
||||
last_width = icuGetWidth(icup);
|
||||
}
|
||||
|
||||
static void icuperiodcb(ICUDriver *icup) {
|
||||
|
||||
last_period = icuGetPeriod(icup);
|
||||
}
|
||||
|
||||
static ICUConfig icucfg = {
|
||||
ICU_INPUT_ACTIVE_HIGH,
|
||||
10000, /* 10kHz ICU clock frequency. */
|
||||
icuwidthcb,
|
||||
icuperiodcb,
|
||||
NULL,
|
||||
ICU_CHANNEL_1,
|
||||
0
|
||||
};
|
||||
|
||||
/*
|
||||
* Application entry point.
|
||||
*/
|
||||
int main(void) {
|
||||
|
||||
/*
|
||||
* System initializations.
|
||||
* - HAL initialization, this also initializes the configured device drivers
|
||||
* and performs the board-specific initializations.
|
||||
* - Kernel initialization, the main() function becomes a thread and the
|
||||
* RTOS is active.
|
||||
*/
|
||||
halInit();
|
||||
chSysInit();
|
||||
|
||||
/*
|
||||
* LED initially off.
|
||||
*/
|
||||
palSetPad(IOPORT3, GPIOC_LED);
|
||||
|
||||
/*
|
||||
* Initializes the PWM driver 1 and ICU driver 4.
|
||||
*/
|
||||
pwmStart(&PWMD1, &pwmcfg);
|
||||
palSetPadMode(IOPORT1, 8, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
|
||||
icuStart(&ICUD4, &icucfg);
|
||||
icuEnable(&ICUD4);
|
||||
chThdSleepMilliseconds(2000);
|
||||
|
||||
/*
|
||||
* Starts the PWM channel 0 using 75% duty cycle.
|
||||
*/
|
||||
pwmEnableChannel(&PWMD1, 0, PWM_PERCENTAGE_TO_WIDTH(&PWMD1, 7500));
|
||||
chThdSleepMilliseconds(5000);
|
||||
|
||||
/*
|
||||
* Changes the PWM channel 0 to 50% duty cycle.
|
||||
*/
|
||||
pwmEnableChannel(&PWMD1, 0, PWM_PERCENTAGE_TO_WIDTH(&PWMD1, 5000));
|
||||
chThdSleepMilliseconds(5000);
|
||||
|
||||
/*
|
||||
* Changes the PWM channel 0 to 25% duty cycle.
|
||||
*/
|
||||
pwmEnableChannel(&PWMD1, 0, PWM_PERCENTAGE_TO_WIDTH(&PWMD1, 2500));
|
||||
chThdSleepMilliseconds(5000);
|
||||
|
||||
/*
|
||||
* Changes PWM period to half second the duty cycle becomes 50%
|
||||
* implicitly.
|
||||
*/
|
||||
pwmChangePeriod(&PWMD1, 5000);
|
||||
chThdSleepMilliseconds(5000);
|
||||
|
||||
/*
|
||||
* Disables channel 0 and stops the drivers.
|
||||
*/
|
||||
pwmDisableChannel(&PWMD1, 0);
|
||||
pwmStop(&PWMD1);
|
||||
icuDisable(&ICUD4);
|
||||
icuStop(&ICUD4);
|
||||
palSetPad(IOPORT3, GPIOC_LED);
|
||||
|
||||
/*
|
||||
* Normal main() thread activity, in this demo it does nothing.
|
||||
*/
|
||||
while (TRUE) {
|
||||
chThdSleepMilliseconds(500);
|
||||
}
|
||||
return 0;
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue