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MindSDK_MM32F5270/driver_examples/i2c/i2c_master_interrupt
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Yilin Sun 3977144e90
Initial MM32F527x commit. 
Signed-off-by: Yilin Sun <imi415@imi.moe>
2023-03-27 21:54:40 +08:00
..
build Initial MM32F527x commit. 2023-03-27 21:54:40 +08:00
board_init.c Initial MM32F527x commit. 2023-03-27 21:54:40 +08:00
board_init.h Initial MM32F527x commit. 2023-03-27 21:54:40 +08:00
clock_init.c Initial MM32F527x commit. 2023-03-27 21:54:40 +08:00
clock_init.h Initial MM32F527x commit. 2023-03-27 21:54:40 +08:00
main.c Initial MM32F527x commit. 2023-03-27 21:54:40 +08:00
pin_init.c Initial MM32F527x commit. 2023-03-27 21:54:40 +08:00
pin_init.h Initial MM32F527x commit. 2023-03-27 21:54:40 +08:00
readme.md Initial MM32F527x commit. 2023-03-27 21:54:40 +08:00

readme.md

i2c_master_interrupt

实验流程

  • 初始化 i2c 主机，设置时钟频率和波特率，设置目标设备地址，使能 i2c。
  • 主程序中循环等待串口键入任意字符。
  • 当串口接收到字符后，i2c 对目标地址进行写操作。
  • 写操作中，第一个写入的数据被算作设备寄存器地址。
  • 当串口再次接收到字符时，i2c 对目标地址进行读操作。

实验结果

i2c_master_interrupt example. press any key to write i2c-eeprom. write data: 0x00, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, press any key to read i2c-eeprom. read data from device register address: 0x00 read data: 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, press any key to write i2c-eeprom. write data: 0x00, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, press any key to read i2c-eeprom. read data from device register address: 0x00 read data: 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,