#include "stm3210b_eval.h"
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#include "stm32f10x.h"
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#include "platform_config.h"
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#include "stm32_eval_spi_flash.h"
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#define __CAN1_USED__
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#define CANx CAN1
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#define GPIO_CAN GPIO_CAN1
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#define GPIO_CAN GPIO_CAN1
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#define GPIO_Pin_CAN_RX GPIO_Pin_CAN1_RX
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#define GPIO_Pin_CAN_TX GPIO_Pin_CAN1_TX
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u8 __IO USART2_RX_Timout;
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extern u8 panel_ID;
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CAN_InitTypeDef CAN_InitStructure;
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CAN_FilterInitTypeDef CAN_FilterInitStructure;
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DMA_InitTypeDef DMA_InitStructure;
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extern SPI_InitTypeDef SPI_InitStructure;
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CanTxMsg TxMessage;
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u32 SPI1_TX_Buf;
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extern u8 dis_now;
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extern u8 FR;
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u8 fre_Data[4]={0};
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void GPIO_init(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
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USART_InitTypeDef USART_InitStructure;
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USART_ClockInitTypeDef USART_ClockInitStructure;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO|RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB, ENABLE);
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// RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_CAN1, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_9|GPIO_Pin_10;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable , ENABLE);
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GPIO_InitStructure.GPIO_Pin =GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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GPIO_ResetBits(GPIOA, GPIO_Pin_0);
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GPIO_ResetBits(GPIOA, GPIO_Pin_10);
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GPIO_SetBits(GPIOA, GPIO_Pin_9);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_CAN_RX;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
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GPIO_Init(GPIO_CAN, &GPIO_InitStructure);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4| GPIO_Pin_5 | GPIO_Pin_7;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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// A3 ×öR2X
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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// A2 ×öT2X
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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/* Configure CAN pin: TX */
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_CAN_TX;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIO_CAN, &GPIO_InitStructure);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3,ENABLE);
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USART_InitStructure.USART_BaudRate = 115200;
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USART_InitStructure.USART_WordLength = USART_WordLength_8b;
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USART_InitStructure.USART_StopBits = USART_StopBits_1;
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USART_InitStructure.USART_Parity = USART_Parity_No;
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USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
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USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
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USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;
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USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;
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USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;
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USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;
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USART_ClockInit(USART3, &USART_ClockInitStructure);
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USART_Init(USART3, &USART_InitStructure);
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USART_Cmd(USART3, ENABLE);
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//´®¿Ú2ʹÓýÓÊÕÖжÏ
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USART_ITConfig(USART3,USART_IT_RXNE,ENABLE);
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/* TIM2 clock enable */
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
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/* »ù´¡ÉèÖÃ*/
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TIM_TimeBaseStructure.TIM_Period = 1000; //¼ÆÊýÖµ
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TIM_TimeBaseStructure.TIM_Prescaler = 7200-1; //Ô¤·ÖƵ,´ËÖµ+1Ϊ·ÖƵµÄ³ýÊý
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TIM_TimeBaseStructure.TIM_ClockDivision = 0x0; //
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //ÏòÉϼÆÊý
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TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
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/*ʹÄÜԤװÔØ*/
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TIM_ARRPreloadConfig(TIM2, ENABLE);
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/*Ô¤ÏÈÇå³ýËùÓÐÖжÏλ*/
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TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
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/* 4¸öͨµÀºÍÒç³ö¶¼ÅäÖÃÖжÏ*/
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TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
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/* ÔÊÐíTIM2¿ªÊ¼¼ÆÊý */
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TIM_Cmd(TIM2, DISABLE);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
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TIM_TimeBaseStructure.TIM_Period = 1000; //¼ÆÊýÖµ
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TIM_TimeBaseStructure.TIM_Prescaler = 7200-1; //Ô¤·ÖƵ,´ËÖµ+1Ϊ·ÖƵµÄ³ýÊý
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TIM_TimeBaseStructure.TIM_ClockDivision = 0x0; //
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //ÏòÉϼÆÊý
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TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
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TIM_ARRPreloadConfig(TIM3, ENABLE);
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/*Ô¤ÏÈÇå³ýËùÓÐÖжÏλ*/
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TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
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/* 4¸öͨµÀºÍÒç³ö¶¼ÅäÖÃÖжÏ*/
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TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);
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/* ÔÊÐíTIM2¿ªÊ¼¼ÆÊý */
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TIM_Cmd(TIM3, DISABLE);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
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TIM_TimeBaseStructure.TIM_Period = 1000; //¼ÆÊýÖµ
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TIM_TimeBaseStructure.TIM_Prescaler = 7200-1; //Ô¤·ÖƵ,´ËÖµ+1Ϊ·ÖƵµÄ³ýÊý
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TIM_TimeBaseStructure.TIM_ClockDivision = 0x0; //
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //ÏòÉϼÆÊý
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TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure);
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TIM_ARRPreloadConfig(TIM4, ENABLE);
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/*Ô¤ÏÈÇå³ýËùÓÐÖжÏλ*/
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TIM_ClearITPendingBit(TIM4, TIM_IT_Update);
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/* 4¸öͨµÀºÍÒç³ö¶¼ÅäÖÃÖжÏ*/
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TIM_ITConfig(TIM4, TIM_IT_Update, ENABLE);
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/* ÔÊÐíTIM2¿ªÊ¼¼ÆÊý */
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TIM_Cmd(TIM4, DISABLE);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE);
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CAN_DeInit(CANx);
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CAN_StructInit(&CAN_InitStructure);
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/* CAN cell init */
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CAN_InitStructure.CAN_TTCM = DISABLE;
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CAN_InitStructure.CAN_ABOM = DISABLE;
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CAN_InitStructure.CAN_AWUM = DISABLE;
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CAN_InitStructure.CAN_NART = DISABLE;
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CAN_InitStructure.CAN_RFLM = DISABLE;
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CAN_InitStructure.CAN_TXFP = DISABLE;
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CAN_InitStructure.CAN_Mode = CAN_Mode_Normal;
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/* CAN Baudrate = 1MBps*/
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CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;
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CAN_InitStructure.CAN_BS1 = CAN_BS1_3tq;
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CAN_InitStructure.CAN_BS2 = CAN_BS2_2tq;
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CAN_InitStructure.CAN_Prescaler =6;
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CAN_Init(CAN1, &CAN_InitStructure);
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/* CAN filter init */
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CAN_FilterInitStructure.CAN_FilterNumber = 0;
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CAN_FilterInitStructure.CAN_FilterMode = CAN_FilterMode_IdList;
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CAN_FilterInitStructure.CAN_FilterScale = CAN_FilterScale_32bit;
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CAN_FilterInitStructure.CAN_FilterIdHigh = 0x0000;
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CAN_FilterInitStructure.CAN_FilterIdLow = 0x0000;
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CAN_FilterInitStructure.CAN_FilterMaskIdHigh = 0x0000;
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CAN_FilterInitStructure.CAN_FilterMaskIdLow = 0x0000;
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CAN_FilterInitStructure.CAN_FilterFIFOAssignment = 0;
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CAN_FilterInitStructure.CAN_FilterActivation = ENABLE;
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CAN_FilterInit(&CAN_FilterInitStructure);
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CAN_FilterInitStructure.CAN_FilterNumber = 1;
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CAN_FilterInitStructure.CAN_FilterMode = CAN_FilterMode_IdMask;
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CAN_FilterInitStructure.CAN_FilterScale = CAN_FilterScale_32bit;
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CAN_FilterInitStructure.CAN_FilterIdHigh = panel_ID<<5; //001;
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CAN_FilterInitStructure.CAN_FilterIdLow = 0x0000;
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CAN_FilterInitStructure.CAN_FilterMaskIdHigh = 0xffe0;
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CAN_FilterInitStructure.CAN_FilterMaskIdLow = 0x0000;
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CAN_FilterInitStructure.CAN_FilterFIFOAssignment = 0;
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CAN_FilterInitStructure.CAN_FilterActivation = ENABLE;
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CAN_FilterInit(&CAN_FilterInitStructure);
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/* Transmit */
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TxMessage.StdId = 0x001;
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TxMessage.ExtId = 0x00;
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TxMessage.RTR = 0;
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TxMessage.IDE = 0;
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TxMessage.DLC = 2;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
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SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
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SPI_InitStructure.SPI_Mode = SPI_Mode_Slave;
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SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
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SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
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SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
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SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
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SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
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SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
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SPI_InitStructure.SPI_CRCPolynomial = 7;
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SPI_Init(SPI1, &SPI_InitStructure);
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SPI_Cmd(SPI1, ENABLE);
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SPI_I2S_DMACmd(SPI1, SPI_I2S_DMAReq_Rx, ENABLE);
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
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DMA_DeInit(DMA1_Channel2);
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DMA_InitStructure.DMA_PeripheralBaseAddr =(u32)&SPI1->DR;//SPI1µÄDR¼Ä´æÆ÷µØÖ·
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DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&fre_Data;
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DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; //ÄÚ´æÊÇÄ¿µÄµØ
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DMA_InitStructure.DMA_BufferSize = 4;
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DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
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DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; //DMAÄÚ´æµØÖ·×Ô¶¯Ôö¼Óģʽ
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DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
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DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
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DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
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DMA_InitStructure.DMA_Priority = DMA_Priority_High;
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DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
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DMA_Init(DMA1_Channel2, &DMA_InitStructure);
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DMA_ITConfig(DMA1_Channel2, DMA_IT_TC, ENABLE);
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DMA_Cmd(DMA1_Channel2, DISABLE);
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}
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int USART3_Wait_Response(char * buf)
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{ int c=0;
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TIM_Cmd(TIM2, ENABLE);
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while(1)
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{ /* Loop until timeout */
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while(((USART3->SR&USART_FLAG_RXNE) == 0)&&(USART2_RX_Timout == 0));
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if(USART2_RX_Timout == 1) break;
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* buf = USART3->DR & 0x01FF;
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buf ++;
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c++;
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}
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USART2_RX_Timout = 0;
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TIM_Cmd(TIM2, DISABLE);
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return c;
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}
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void USART3_Puts(char * str)
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{
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while(*str)
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{
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USART_SendData(USART3, *str++);
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/* Loop until the end of transmission */
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while(USART_GetFlagStatus(USART3, USART_FLAG_TXE) == RESET);
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}
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}
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void USART3_Putc(unsigned char c)
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{
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USART_SendData(USART3, c);
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while(USART_GetFlagStatus(USART3, USART_FLAG_TXE) == RESET );
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}
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void USART3_Putdata(char *str,int i)
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{ int c;
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for(c=0;c<i;c++)
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{
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USART3->DR = (* str ++);
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while((USART3->SR & USART_FLAG_TXE) == 0);
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}
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}
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