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Unified cc2538 examples into single cc2538-common placeholder

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Antonio Lignan 2016-01-29 23:13:01 +01:00
parent 9f1376d37a
commit 45c125949a
34 changed files with 124 additions and 47 deletions
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examples/cc2538-common/test-pwm.c Normal file
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/*
* Copyright (c) 2015, Zolertia - http://www.zolertia.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \addtogroup cc2538-examples
* @{
*
* \defgroup cc2538-test-pwm Test the CC2538 PWM driver
*
* Demonstrates the use of the CC2538 PWM driver
*
* @{
*
* \file
* A quick program for testing the CC2538 PWM driver
* \author
* Javier Sanchez <jsanchez@zolertia.com>
* Antonio Lignan <alinan@zolertia.com>
*/
#include "contiki.h"
#include "cpu.h"
#include "dev/leds.h"
#include "dev/watchdog.h"
#include "dev/sys-ctrl.h"
#include "pwm.h"
#include "systick.h"
#include "lpm.h"
#include "dev/ioc.h"
#include <stdio.h>
#include <stdint.h>
/*---------------------------------------------------------------------------*/
#define DEBUG 0
#if DEBUG
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/*---------------------------------------------------------------------------*/
typedef struct {
uint8_t timer;
uint8_t ab;
uint8_t port;
uint8_t pin;
uint8_t duty;
uint8_t off_state;
uint32_t freq;
} pwm_config_t;
/*---------------------------------------------------------------------------*/
#define MAX_PWM 4
static const pwm_config_t pwm_num[MAX_PWM] = {
{
.timer = PWM_TIMER_1,
.ab = PWM_TIMER_A,
.port = GPIO_D_NUM,
.pin = 5,
.duty = 15,
.freq = 1,
.off_state = PWM_OFF_WHEN_STOP,
}, {
.timer = PWM_TIMER_1,
.ab = PWM_TIMER_B,
.port = GPIO_D_NUM,
.pin = 4,
.duty = 35,
.freq = 100,
.off_state = PWM_ON_WHEN_STOP,
}, {
.timer = PWM_TIMER_2,
.ab = PWM_TIMER_A,
.port = GPIO_D_NUM,
.pin = 3,
.duty = 50,
.freq = 1000,
.off_state = PWM_OFF_WHEN_STOP,
}, {
.timer = PWM_TIMER_2,
.ab = PWM_TIMER_B,
.port = GPIO_D_NUM,
.pin = 2,
.duty = 85,
.freq = 160000,
.off_state = PWM_ON_WHEN_STOP,
}
};
static uint8_t pwm_en[MAX_PWM];
/*---------------------------------------------------------------------------*/
#if DEBUG
static const char *
gpt_name(uint8_t timer)
{
switch(timer) {
case PWM_TIMER_0:
return "PWM TIMER 0";
case PWM_TIMER_1:
return "PWM TIMER 1";
case PWM_TIMER_2:
return "PWM TIMER 2";
case PWM_TIMER_3:
return "PWM TIMER 3";
default:
return "Unknown";
}
}
#endif
/*---------------------------------------------------------------------------*/
static struct etimer et;
/*---------------------------------------------------------------------------*/
PROCESS(cc2538_pwm_test, "cc2538 pwm test");
AUTOSTART_PROCESSES(&cc2538_pwm_test);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(cc2538_pwm_test, ev, data)
{
PROCESS_BEGIN();
uint8_t i;
memset(pwm_en, 0, MAX_PWM);
PRINTF("\nStarting the test\n");
for(i = 0; i < MAX_PWM; i++) {
if(pwm_enable(pwm_num[i].freq, pwm_num[i].duty,
pwm_num[i].timer, pwm_num[i].ab) == PWM_SUCCESS) {
pwm_en[i] = 1;
PRINTF("%s (%u) configuration OK\n", gpt_name(pwm_num[i].timer),
pwm_num[i].ab);
}
}
while(1) {
for(i = 0; i < MAX_PWM; i++) {
if((pwm_en[i]) &&
(pwm_start(pwm_num[i].timer, pwm_num[i].ab,
pwm_num[i].port, pwm_num[i].pin) != PWM_SUCCESS)) {
pwm_en[i] = 0;
PRINTF("%s (%u) failed to start \n", gpt_name(pwm_num[i].timer),
pwm_num[i].ab);
}
}
etimer_set(&et, CLOCK_SECOND * 2);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
for(i = 0; i < MAX_PWM; i++) {
if((pwm_en[i]) &&
(pwm_toggle_direction(pwm_num[i].timer,
pwm_num[i].ab) != PWM_SUCCESS)) {
PRINTF("%s (%u) invert failed \n", gpt_name(pwm_num[i].timer),
pwm_num[i].ab);
}
}
etimer_set(&et, CLOCK_SECOND * 2);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
for(i = 0; i < MAX_PWM; i++) {
if((pwm_en[i]) &&
(pwm_stop(pwm_num[i].timer, pwm_num[i].ab,
pwm_num[i].port, pwm_num[i].pin,
pwm_num[i].off_state) != PWM_SUCCESS)) {
pwm_en[i] = 0;
PRINTF("%s (%u) failed to stop\n", gpt_name(pwm_num[i].timer),
pwm_num[i].ab);
}
}
etimer_set(&et, CLOCK_SECOND * 2);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/