151 lines
3.1 KiB
C
151 lines
3.1 KiB
C
/*
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* File : led.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2011, RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2011-03-03 lgnq
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*/
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#include <rtthread.h>
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#include <rthw.h>
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#include "mb9bf506r.h"
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#include "led.h"
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void rt_hw_led_on(rt_uint8_t num)
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{
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RT_ASSERT(num < LEDS_MAX_NUMBER);
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switch (num)
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{
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case 1:
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LED_PDOR &= ~LED1;
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break;
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case 2:
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LED_PDOR &= ~LED2;
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break;
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case 3:
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LED_PDOR &= ~LED3;
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break;
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default:
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break;
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}
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}
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void rt_hw_led_off(rt_uint8_t num)
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{
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RT_ASSERT(num < LEDS_MAX_NUMBER);
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switch (num)
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{
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case 1:
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LED_PDOR |= LED1;
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break;
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case 2:
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LED_PDOR |= LED2;
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break;
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case 3:
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LED_PDOR |= LED3;
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break;
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default:
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break;
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}
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}
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void rt_hw_led_toggle(rt_uint8_t num)
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{
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RT_ASSERT(num < LEDS_MAX_NUMBER);
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switch (num)
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{
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case 1:
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if (LED_PDOR&LED1)
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LED_PDOR &= ~LED1;
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else
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LED_PDOR |= LED1;
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break;
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case 2:
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if (LED_PDOR&LED2)
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LED_PDOR &= ~LED2;
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else
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LED_PDOR |= LED2;
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break;
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case 3:
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if (LED_PDOR&LED3)
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LED_PDOR &= ~LED3;
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else
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LED_PDOR |= LED3;
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break;
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default:
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break;
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}
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}
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static rt_err_t led_io_init(void)
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{
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/*Select CPIO function*/
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LED_PFR &= ~LED_MASK;
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/*Set Pin to turn off leds*/
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LED_PDOR |= LED_MASK;
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/*Make led pins outputs*/
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LED_DDR |= LED_MASK;
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//LED3 is controled by PWM
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FM3_GPIO->PFR3 = 0x1000;
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FM3_GPIO->EPFR04 = 0x00080000;
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FM3_BT2_PWM->TMCR = 0x0018;
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FM3_BT2_PWM->TMCR2 = 0x01; /* cks=0b1000 count clk 1/512 */
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FM3_BT2_PWM->STC = 0x00;
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FM3_BT2_PWM->PCSR = 0x61A; /* Down count = 1562 */
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FM3_BT2_PWM->PDUT = 0x0; /* Duty count = 16/1562=10% */
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FM3_BT2_PWM->TMCR |= 0x03; /* start base timer(softwere TRG) */
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return RT_EOK;
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}
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void pwm_update(rt_uint16_t value)
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{
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FM3_BT2_PWM->PDUT = value;
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}
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static void led1_thread_entry(void *parameter)
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{
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while (1)
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{
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rt_hw_led_toggle(1);
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rt_thread_delay(RT_TICK_PER_SECOND);
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}
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}
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static void led2_thread_entry(void *parameter)
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{
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while (1)
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{
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rt_hw_led_toggle(2);
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rt_thread_delay(RT_TICK_PER_SECOND/2);
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}
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}
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static rt_thread_t led1_thread;
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static rt_thread_t led2_thread;
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void rt_hw_led_init(void)
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{
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led_io_init();
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led1_thread = rt_thread_create("led1", led1_thread_entry, RT_NULL, 384, 29, 5);
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if (led1_thread != RT_NULL)
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rt_thread_startup(led1_thread);
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led2_thread = rt_thread_create("led2", led2_thread_entry, RT_NULL, 384, 30, 5);
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if (led2_thread != RT_NULL)
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rt_thread_startup(led2_thread);
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}
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