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STM32F103 IIC源碼stm32f103的硬件iic實際使用時會有一些小問題,這是一個完整的項目,經測試比較好用,大家可以參考!!
代碼片段和文件信息
#include
#include“USART.h“
#include“systick.h“
#define?I2C2_SCK?GPIO_Pin_10?//B10
#define?I2C2_SDA?GPIO_Pin_11?//B11?I2C2
#define?I2C2_SCK_H?GPIO_SetBits(GPIOBI2C2_SCK)
#define?I2C2_SCK_L?GPIO_ResetBits(GPIOBI2C2_SCK)
#define?I2C2_SDA_H?GPIO_SetBits(GPIOBI2C2_SDA)
#define?I2C2_SDA_L?GPIO_ResetBits(GPIOBI2C2_SDA)
#define?At24c02_address?0XA0
void?I2C2_GPIO_ini()
{
GPIO_InitTypeDef?GPIO;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOBENABLE);
GPIO.GPIO_Pin=I2C2_SCK|I2C2_SDA;
GPIO.GPIO_Mode=GPIO_Mode_AF_OD;
GPIO.GPIO_Speed=GPIO_Speed_50MHz;
GPIO_Init(GPIOB&GPIO);
}
void?I2C2_ini()
{
I2C_InitTypeDef?I2C;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2ENABLE);
I2C.I2C_Mode=I2C_Mode_I2C;
I2C.I2C_DutyCycle=I2C_DutyCycle_2;
I2C.I2C_OwnAddress1=0Xa0;
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-06-16?13:14??I2C\
?????文件??????337049??2017-04-09?20:13??I2C\AT24c02中文資料.pdf
?????目錄???????????0??2017-04-09?20:16??I2C\DebugConfig\
?????文件????????6956??2015-12-10?17:06??I2C\DebugConfig\Target_1_STM32F103ZE.dbgconf
?????文件?????????339??2017-06-16?13:14??I2C\EventRecorderStub.scvd
?????文件???????85097??2017-06-16?10:55??I2C\I2C.uvguix.82399
?????文件???????85309??2017-04-15?22:32??I2C\I2C.uvguix.Smilence_L
?????文件????????7610??2017-06-15?17:19??I2C\I2C.uvoptx
?????文件???????19489??2017-06-15?17:19??I2C\I2C.uvprojx
?????文件??????161952??2017-06-16?13:16??I2C\Jli
?????文件?????????755??2017-06-15?16:40??I2C\Jli
?????目錄???????????0??2017-06-15?16:05??I2C\Listings\
?????文件???????80246??2017-06-15?20:38??I2C\Listings\I2C.map
?????文件???????53720??2017-06-15?16:05??I2C\Listings\startup_stm32f10x_hd.lst
?????目錄???????????0??2017-06-16?13:16??I2C\ob
?????文件??????????19??2017-06-16?13:16??I2C\ob
?????文件??????299760??2017-06-15?20:38??I2C\ob
?????文件????????3704??2017-06-16?13:14??I2C\ob
?????文件???????46787??2017-06-15?20:38??I2C\ob
?????文件?????????530??2017-06-15?20:38??I2C\ob
?????文件?????????479??2017-06-15?16:05??I2C\ob
?????文件???????16369??2017-06-16?13:14??I2C\ob
?????文件??????278461??2017-06-15?20:38??I2C\ob
?????文件????????1385??2017-06-15?20:38??I2C\ob
?????文件??????302272??2017-06-15?20:38??I2C\ob
?????文件??????272323??2017-06-15?16:05??I2C\ob
?????文件????????1438??2017-06-15?16:05??I2C\ob
?????文件??????297256??2017-06-15?16:05??I2C\ob
?????文件??????????81??2017-06-15?16:05??I2C\ob
?????文件????????6692??2017-06-15?16:05??I2C\ob
?????文件??????275821??2017-06-15?16:05??I2C\ob
............此處省略34個文件信息
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