GML-Group/SlaveNode
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初步实现软件 I2C

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This commit is contained in:
lxbpxylps@126.com 2021-10-12 23:38:04 +08:00
parent db39c97cc4
commit 1458953f57
3 changed files with 46 additions and 20 deletions
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2
Libraries/SoftI2C_HAL_Lib

@ -1 +1 @@
Subproject commit 0a6b8ee6aa4d3b5c4952458c3c7cc905acbf5f64
Subproject commit 3f6627255410641aa26a077891e2e87c20cbde37

17
Project/SlaveNode.uvprojx
View File

@ -339,7 +339,7 @@
<MiscControls></MiscControls>
<Define>USE_HAL_DRIVER, STM32F103x6</Define>
<Undefine></Undefine>
<IncludePath>..\Core;..\Libraries\HAL_Lib\Inc;..\Libraries\SoftSPI_HAL_Lib;..\User\Main;..\System\sys;..\System\systick;..\System\uart;..\Hardware\led</IncludePath>
<IncludePath>..\Core;..\Libraries\HAL_Lib\Inc;..\Libraries\SoftSPI_HAL_Lib;..\Libraries\SoftI2C_HAL_Lib;..\User\Main;..\System\sys;..\System\systick;..\System\uart;..\Hardware\led</IncludePath>
</VariousControls>
</Cads>
<Aads>
@ -650,6 +650,21 @@
</File>
</Files>
</Group>
<Group>
<GroupName>SoftI2C_HAL_Lib</GroupName>
<Files>
<File>
<FileName>softi2c_conf.h</FileName>
<FileType>5</FileType>
<FilePath>..\Libraries\SoftI2C_HAL_Lib\softi2c_conf.h</FilePath>
</File>
<File>
<FileName>softi2c.c</FileName>
<FileType>1</FileType>
<FilePath>..\Libraries\SoftI2C_HAL_Lib\softi2c.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>System</GroupName>
<Files>

47
User/Main/main.c
View File

@ -1,20 +1,21 @@
/**
* @file main.c
* @author Myth
* @version 0.2
* @version 0.3
* @date 2021.10.12
* @brief 工程主函数文件
* @details 初始化及主循环
* @note 此版本实现功能：
* 串口回显，回显时 PC13 上的 LED 闪烁
* 软件 SPI
* 软件 I2C
* JTAG 已禁用，请使用 SWD 调试
*/
#include "sys.h"
#include "systick.h"
#include "uart.h"
#include "softspi.h"
#include "softi2c.h"
#include "led.h"
@ -27,6 +28,7 @@ int main(void)
Error_Handler(__FILE__, __LINE__); //错误处理
}
SystemClock_Config(); //初始化系统时钟为 72MHz
DisableJTAG(); //禁用 JTAG
SysTick_Init(); //初始化 SysTick 和软件定时器
UART_Init(); //初始化串口
@ -34,30 +36,39 @@ int main(void)
UART_BindReceiveHandle(COM1, Echo); //绑定 COM1 串口接收中断至 Echo 函数
SoftSPI_TypeDef SoftSPI;
SoftI2C_TypeDef SoftI2C;
SoftSPI.SCLK_GPIO = GPIOB;
SoftSPI.SCLK_Pin = GPIO_PIN_10;
SoftSPI.MOSI_GPIO = GPIOA;
SoftSPI.MOSI_Pin = GPIO_PIN_5;
SoftSPI.MISO_GPIO = GPIOA;
SoftSPI.MISO_Pin = GPIO_PIN_4;
SoftSPI.SS_GPIO = GPIOA;
SoftSPI.SS_Pin = GPIO_PIN_6;
SoftSPI.Delay_Time = 10;
SoftI2C.SDA_GPIO = GPIOB;
SoftI2C.SDA_Pin = GPIO_PIN_3;
SoftI2C.SCL_GPIO = GPIOB;
SoftI2C.SCL_Pin = GPIO_PIN_4;
SoftI2C.Delay_Time = 10;
if (SoftSPI_Init(&SoftSPI) != HAL_OK) //初始化软件 SPI
if (SoftI2C_Init(&SoftI2C) != HAL_OK) //初始化软件 I2C
{
Error_Handler(__FILE__, __LINE__); //错误处理
}
uint8_t write[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
uint8_t read[10];
while (1)
{
//程序主循环
SoftSPI_WriteReadBuff(&SoftSPI, write, read, 10);
Delay_us(100);
SoftI2C_Start(&SoftI2C);
SoftI2C_WriteByte(&SoftI2C, 0x10);
SoftI2C_WaitAck(&SoftI2C);
SoftI2C_WriteByte(&SoftI2C, 0x22);
SoftI2C_WaitAck(&SoftI2C);
SoftI2C_WriteByte(&SoftI2C, 0x33);
SoftI2C_WaitAck(&SoftI2C);
SoftI2C_WriteByte(&SoftI2C, 0x44);
SoftI2C_WaitAck(&SoftI2C);
SoftI2C_Stop(&SoftI2C);
Delay_us(1000);
}
return 1;