基本的版本

有初始化用的相关文件
驱动文件包括软件IIC还有基于此的24C0X驱动,Flash覆写,还有涉及上位机的启动代码

bsp_Device/bsp_IIC.c

@@ -0,0 +1,152 @@
+/*----------------------------------------------------------------------------------------------------
+#	THIS FILE IS A PART OF XerolySkinner's PROJECT
+#
+#	THIS PROGRAM IS FREE SOFTWARE
+#
+#	E-mail:ZABBCCCBBAZ@163.com
+#	QQ:2715099320
+#
+#	Copyright (c) 2022 XerolySkinner
+#	All rights reserved.
+*/
+
+/*----------------------------------------------------------------------------------------------------
+	名字:bsp_IIC
+	时间:20220729-2031
+	程序员:梁源康
+	说明:IIC驱动
+*/
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////
+//----------------------------------------------------------------------------------------------------
+//	头文件
+#include "vartable.h"
+#include "bsp_IIC.h"
+char (*bspIIC1[2])(char)={IIC1_SCK,IIC1_SDA};
+#define bspIIC_SCK(IIC_VAR)	bspIIC[0](IIC_VAR)
+#define bspIIC_SDA(IIC_VAR)	bspIIC[1](IIC_VAR)
+enum{
+	IIC_RESET,
+	IIC_SET,
+	IIC_READ};
+//////////////////////////////////////////////////////////////////////////////////////////////////////
+//----------------------------------------------------------------------------------------------------
+//	适配程序
+//	
+//	延时函数
+void IIC_Delay(void){
+	unsigned char i=0;
+	while(++i);}
+//	IIC1SCK函数
+char IIC1_SCK(char var){
+	if(var==IIC_RESET){
+		HAL_GPIO_WritePin(IIC_SCK_GPIO_Port,IIC_SCK_Pin,GPIO_PIN_RESET);
+		return 2;}
+	else if(var==IIC_SET){
+		HAL_GPIO_WritePin(IIC_SCK_GPIO_Port,IIC_SCK_Pin,GPIO_PIN_SET);
+		return 2;}
+	else{
+		return HAL_GPIO_ReadPin(IIC_SCK_GPIO_Port,IIC_SCK_Pin);}
+	}
+//	IIC1SDA函数
+char IIC1_SDA(char var){
+	if(var==IIC_RESET){
+		HAL_GPIO_WritePin(IIC_SDA_GPIO_Port,IIC_SDA_Pin,GPIO_PIN_RESET);
+		return 2;}
+	else if(var==IIC_SET){
+		HAL_GPIO_WritePin(IIC_SDA_GPIO_Port,IIC_SDA_Pin,GPIO_PIN_SET);
+		return 2;}
+	else{
+		return HAL_GPIO_ReadPin(IIC_SDA_GPIO_Port,IIC_SDA_Pin);}
+	}
+//////////////////////////////////////////////////////////////////////////////////////////////////////
+//----------------------------------------------------------------------------------------------------
+//	程序
+//	
+//I2C总线启动信号
+void IIC_Start(char (*bspIIC[])(char)){
+	bspIIC_SDA(SET);
+    bspIIC_SDA(IIC_SET);
+    bspIIC_SCK(IIC_SET);
+    IIC_Delay();
+    bspIIC_SDA(IIC_RESET);
+    IIC_Delay();
+    bspIIC_SCK(IIC_RESET);}
+//I2C总线停止信号
+void IIC_Stop(char (*bspIIC[])(char)){
+    bspIIC_SDA(IIC_RESET);
+    bspIIC_SCK(IIC_SET);
+    IIC_Delay();
+    bspIIC_SDA(IIC_SET);
+    IIC_Delay();}
+//发送应答或非应答信号
+void IIC_SendAck(char (*bspIIC[])(char),char ackbit){
+    bspIIC_SCK(IIC_RESET);
+	bspIIC_SDA(ackbit);
+    IIC_Delay();
+    bspIIC_SCK(IIC_SET);
+    IIC_Delay();
+    bspIIC_SCK(IIC_RESET);
+    bspIIC_SDA(IIC_SET);
+    IIC_Delay();}
+//等待应答
+char IIC_WaitAck(char (*bspIIC[])(char)){
+    char ackbit;
+    bspIIC_SCK(IIC_SET);
+    IIC_Delay();
+    ackbit = bspIIC_SDA(IIC_READ);
+    bspIIC_SCK(IIC_RESET);
+    IIC_Delay();
+    return ackbit;}
+//I2C总线发送一个字节数据
+void IIC_SendByte(char (*bspIIC[])(char),unsigned char byt){
+    unsigned char i;
+    for(i=0; i<8; i++){
+		bspIIC_SCK(IIC_RESET);
+		IIC_Delay();
+		bspIIC_SDA((byt & 0x80)!=0);
+		IIC_Delay();
+		bspIIC_SCK(IIC_SET);
+		byt <<= 1;
+		IIC_Delay();}
+    bspIIC_SCK(IIC_RESET);}
+//I2C总线接收一个字节数据
+unsigned char IIC_RecByte(char (*bspIIC[])(char)){
+    unsigned char i, da;
+    for(i=0;i<8;i++){
+    	bspIIC_SCK(IIC_SET);
+		IIC_Delay();
+		da <<= 1;
+		if(bspIIC_SDA(IIC_READ))da |= 1;
+		bspIIC_SCK(IIC_RESET);
+		IIC_Delay();}
+    return da;}
+//----------------------------------------------------------------------------------------------------
+void IIC_WriteOneByte(char (*bspIIC[])(char),char id,char addr,char dat){
+	IIC_Start(bspIIC);
+	IIC_SendByte(bspIIC,id<<1);
+	IIC_WaitAck(bspIIC);
+	IIC_SendByte(bspIIC,addr);
+	IIC_WaitAck(bspIIC);
+	IIC_SendByte(bspIIC,dat);
+	IIC_WaitAck(bspIIC);
+	IIC_Stop(bspIIC);}
+
+char IIC_ReadOneByte(char (*bspIIC[])(char),char id,char addr){
+	char temp=0;
+	IIC_Start(bspIIC);
+	IIC_SendByte(bspIIC,id<<1);
+	IIC_WaitAck(bspIIC);
+	IIC_SendByte(bspIIC,addr);
+	IIC_SendAck(bspIIC,0);
+
+	IIC_Start(bspIIC);
+	IIC_SendByte(bspIIC,(id<<1)|0x01);
+	IIC_SendAck(bspIIC,0);
+	temp=IIC_RecByte(bspIIC);
+	IIC_SendAck(bspIIC,1);
+
+	IIC_Stop(bspIIC);
+	return temp;
+}
+//////////////////////////////////////////////////////////////////////////////////////////////////////