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99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
/* Fichier de Gestion des LED*/
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#include "system_dumby.h"
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#include <stm32f10x.h>
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#include "led.h"
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TIM_TimeBaseInitTypeDef TIM_TimeBaseLED;
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TIM_OCInitTypeDef TIM_OCConfigure;
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/**
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* @brief Cette fonction initialise les E/S du GPIO pour correspondre aux led.
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* @param Aucun
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*/
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void MAP_LEDpin(void)
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{
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GPIO_InitTypeDef Init_Structure;
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/// Configure les PIN B0 et B1 en output / alternate fonction
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Init_Structure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1;
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Init_Structure.GPIO_Speed = GPIO_Speed_50MHz;
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Init_Structure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_Init(GPIOB, &Init_Structure);
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}
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/*void INIT_TIM3Led(void)
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{
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// On souhaite une résolution du PWM de 256 valeurs LED TIM3
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TIM_TimeBaseLED.TIM_Period = 255;
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TIM_TimeBaseLED.TIM_Prescaler = 3*3125;
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TIM_TimeBaseLED.TIM_ClockDivision=0;
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TIM_TimeBaseLED.TIM_CounterMode=TIM_CounterMode_Up;
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TIM_TimeBaseInit(TIM3, &TIM_TimeBaseLED);
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// Configuration du PWM sur le timer 2
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TIM_OCConfigure.TIM_OCMode=TIM_OCMode_PWM2;
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TIM_OCConfigure.TIM_OutputState = TIM_OutputState_Enable;
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TIM_OCConfigure.TIM_OutputNState = TIM_OutputNState_Enable;
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TIM_OCConfigure.TIM_Pulse = 256; // Constante initialisé à 255, Pour un rapport cyclique nul
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TIM_OCConfigure.TIM_OCPolarity = TIM_OCPolarity_High;
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TIM_OC4Init(TIM3, &TIM_OCConfigure);
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TIM_OC4PreloadConfig(TIM3,TIM_OCPreload_Enable);
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TIM_OC3Init(TIM3, &TIM_OCConfigure);
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TIM_OC3PreloadConfig(TIM3,TIM_OCPreload_Enable);
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TIM_ARRPreloadConfig(TIM3, ENABLE);
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// Enable Counter
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TIM_Cmd(TIM3, ENABLE);
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TIM_CtrlPWMOutputs(TIM3,ENABLE);
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}
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void setLEDGreen(unsigned char pulse)
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{
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uint16_t intermediaire;
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intermediaire=255-pulse;
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TIM_SetCompare4(TIM3, intermediaire);
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}
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void setLEDRed(unsigned char pulse)
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{
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uint16_t intermediaire;
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intermediaire=255-pulse;
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TIM_SetCompare3(TIM3, intermediaire);
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}
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*/
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/*
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* Gestion des LEDs
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*/
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void LEDorange(void)
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{
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GPIO_SetBits(GPIOB, GPIO_Pin_1);
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GPIO_SetBits(GPIOB,GPIO_Pin_0);
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}
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void LEDred(void)
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{
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GPIO_ResetBits(GPIOB, GPIO_Pin_1);
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GPIO_SetBits(GPIOB,GPIO_Pin_0);
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}
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void LEDgreen(void)
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{
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GPIO_SetBits(GPIOB, GPIO_Pin_1);
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GPIO_ResetBits(GPIOB,GPIO_Pin_0);
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}
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void LEDoff(void)
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{
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GPIO_ResetBits(GPIOB,GPIO_Pin_0);
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GPIO_ResetBits(GPIOB,GPIO_Pin_1);
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}
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