From 7437bfef11387f1521f8c33e81885e186b583626 Mon Sep 17 00:00:00 2001 From: Theodore Ateba Date: Wed, 16 Aug 2017 06:39:57 +0000 Subject: Add a specific directory for AVR MEGA in the testhal. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10436 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/AVR/MEGA/PWM/main.c | 75 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 testhal/AVR/MEGA/PWM/main.c (limited to 'testhal/AVR/MEGA/PWM/main.c') diff --git a/testhal/AVR/MEGA/PWM/main.c b/testhal/AVR/MEGA/PWM/main.c new file mode 100644 index 000000000..29c97d96a --- /dev/null +++ b/testhal/AVR/MEGA/PWM/main.c @@ -0,0 +1,75 @@ +/* + ChibiOS - Copyright (C) 2006..2016 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 "hal.h" + +#ifdef _NIL_ +#include "nil.h" +#else +#include "ch.h" +#endif + +#ifdef _NIL_ +THD_WORKING_AREA(waThread1, 128); +THD_FUNCTION(Thread1, arg) { + (void)arg; + while (true) { + chThdSleepMilliseconds(1); + } +} + +THD_TABLE_BEGIN + THD_TABLE_ENTRY(waThread1, "main", Thread1, NULL) +THD_TABLE_END +#endif + +int main(void) { + + halInit(); + + /* + * NOTE: when compiling for NIL, after the chSysInit() call, nothing + * more can be done in this thread so we first initialize PWM subsystem. + */ + + static PWMConfig pwm3cfg = { + 1023, /* Not real clock */ + 1023, /* Maximum PWM count */ + NULL, + { + {PWM_OUTPUT_ACTIVE_HIGH, NULL}, + {PWM_OUTPUT_ACTIVE_HIGH, NULL}, + {PWM_OUTPUT_ACTIVE_HIGH, NULL}, + }, + }; + + /* PE3-5 are timer 3 pwm channel outputs */ + palSetPadMode(IOPORT5, 3, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(IOPORT5, 4, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(IOPORT5, 5, PAL_MODE_OUTPUT_PUSHPULL); + + pwmStart(&PWMD3, &pwm3cfg); + + /* channel 0 with 50% duty cycle, 1 with 25% and 2 with 75% */ + pwmEnableChannel(&PWMD3, 0, 511); + pwmEnableChannel(&PWMD3, 1, 255); + pwmEnableChannel(&PWMD3, 2, 767); + + chSysInit(); + + while (1) {} +} + -- cgit v1.2.3