刚开始也不行，我就听了一会儿歌曲，又重新选择配置了一次，烧录后，听个歌，然后一看，好了。
论坛的几位兄弟快来看看。
- void OLED_Write_cmd(uint8_t cmd)
- {
- // HAL_I2C_Mem_Write(&hi2c2, 0x78, 0x00, I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0x100);
- /*
- IIC_Start();
- Write_IIC_Byte(0x78); //D/C#=0; R/W#=0
- IIC_Wait_Ack();
- Write_IIC_Byte(0x00); //write cmd
- IIC_Wait_Ack();
- Write_IIC_Byte(cmd);
- IIC_Wait_Ack();
- IIC_Stop();
- */
- uint8_t cmd2[2];
- cmd2[0] = 0x00;
- cmd2[1] = cmd;
- bool flag = 0;
- flag = I2C1_Write(0x3C, cmd2, 2);
- if(flag == true) LED_SetLow();
- else LED_SetHigh();
- }
- void OLED_Write_data(uint8_t data)
- {
- // HAL_I2C_Mem_Write(&hi2c2, 0x78, 0x40, I2C_MEMADD_SIZE_8BIT, &data, 1, 0x100);
- /*
- IIC_Start();
- Write_IIC_Byte(0x78); //D/C#=0; R/W#=0
- IIC_Wait_Ack();
- Write_IIC_Byte(0x40); //write data
- IIC_Wait_Ack();
- Write_IIC_Byte(data);
- IIC_Wait_Ack();
- IIC_Stop();
- */
- uint8_t data2[2];
- data2[0] = 0x40;
- data2[1] = data;
- I2C1_Write(0x3C, data2, 2);
- }
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