void oled_i2c_hardware_init(void){GPIO_Config_T gpioConfigStruct;I2C_Config_T i2cConfigStruct;/** Enable I2C related Clock */RCM_EnableAPB2PeriphClock(RCM_APB2_PERIPH_GPIOB | RCM_APB2_PERIPH_AFIO);RCM_EnableAPB1PeriphClock(RCM_APB1_PERIPH_I2C1);/** Free I2C_SCL and I2C_SDA */gpioConfigStruct.mode = GPIO_MODE_AF_OD;gpioConfigStruct.speed = GPIO_SPEED_50MHz;gpioConfigStruct.pin = GPIO_PIN_6;GPIO_Config(GPIOB, &gpioConfigStruct);gpioConfigStruct.mode = GPIO_MODE_AF_OD;gpioConfigStruct.speed = GPIO_SPEED_50MHz;gpioConfigStruct.pin = GPIO_PIN_7;GPIO_Config(GPIOB, &gpioConfigStruct);/** Config I2C1 */I2C_Reset(I2C1);i2cConfigStruct.mode = I2C_MODE_I2C;i2cConfigStruct.dutyCycle = I2C_DUTYCYCLE_2;i2cConfigStruct.ackAddress = I2C_ACK_ADDRESS_7BIT;//i2cConfigStruct.ownAddress1 = 0XA0;i2cConfigStruct.ownAddress1 = SSD1306_ADDRESS;i2cConfigStruct.ack = I2C_ACK_ENABLE;i2cConfigStruct.clockSpeed = 400000;I2C_Config(I2C1, &i2cConfigStruct);/** Enable I2Cx */I2C_Enable(I2C1);i2c_dma_init();}
void i2c_dma_init(void){DMA_Config_T DMA_ConfigStruct;RCM_EnableAHBPeriphClock(RCM_AHB_PERIPH_DMA1);DMA_Reset(DMA1_Channel6);DMA_ConfigStruct.peripheralBaseAddr = (uint32_t)(I2C1_BASE + 0x10) ;DMA_ConfigStruct.memoryBaseAddr = (uint32_t)NULL;DMA_ConfigStruct.dir = DMA_DIR_PERIPHERAL_DST;DMA_ConfigStruct.bufferSize = 0;DMA_ConfigStruct.peripheralInc = DMA_PERIPHERAL_INC_DISABLE;DMA_ConfigStruct.memoryInc = DMA_MEMORY_INC_ENABLE;DMA_ConfigStruct.peripheralDataSize = DMA_PERIPHERAL_DATA_SIZE_BYTE;DMA_ConfigStruct.memoryDataSize = DMA_MEMORY_DATA_SIZE_BYTE;DMA_ConfigStruct.loopMode = DMA_MODE_NORMAL;DMA_ConfigStruct.priority = DMA_PRIORITY_HIGH;DMA_ConfigStruct.M2M = DMA_M2MEN_DISABLE;DMA_Config(DMA1_Channel6, &DMA_ConfigStruct);I2C_EnableDMA(I2C1);}
void i2c_dma_transmit_buffer(unsigned char *buffer, unsigned int length){DMA_Disable(DMA1_Channel6);DMA1_Channel6->CHMADDR = (uint32_t)buffer;DMA1_Channel6->CHNDATA = length;DMA_Enable(DMA1_Channel6);while (DMA_ReadStatusFlag(DMA1_FLAG_TC6) == RESET);}
void oled_register_config(){oled_i2c_wr_byte(0xAE, OLED_CMD);oled_i2c_wr_byte(0xAE, OLED_CMD); //--turn off oled paneloled_i2c_wr_byte(0x00, OLED_CMD); //---set low column addressoled_i2c_wr_byte(0x10, OLED_CMD); //---set high column addressoled_i2c_wr_byte(0x40, OLED_CMD); //--set start line address Set Mapping RAM Display Start Line (0x00~0x3F)oled_i2c_wr_byte(0x81, OLED_CMD); //--set contrast control registeroled_i2c_wr_byte(0xCF, OLED_CMD); // Set SEG Output Current Brightnessoled_i2c_wr_byte(0xA0, OLED_CMD); //oled_i2c_wr_byte(0xA1,OLED_CMD);//--Set SEG/Column Mapping 0xa0左右反置 0xa1正常oled_i2c_wr_byte(0xC0, OLED_CMD); //oled_i2c_wr_byte(0xC8,OLED_CMD);//Set COM/Row Scan Direction 0xc0上下反置 0xc8正常oled_i2c_wr_byte(0xA6, OLED_CMD); //--set normal displayoled_i2c_wr_byte(0xA8, OLED_CMD); //--set multiplex ratio(1 to 64)oled_i2c_wr_byte(0x3f, OLED_CMD); //--1/64 dutyoled_i2c_wr_byte(0xD3, OLED_CMD); //-set display offset Shift Mapping RAM Counter (0x00~0x3F)oled_i2c_wr_byte(0x00, OLED_CMD); //-not offsetoled_i2c_wr_byte(0xd5, OLED_CMD); //--set display clock divide ratio/oscillator frequencyoled_i2c_wr_byte(0x80, OLED_CMD); //--set divide ratio, Set Clock as 100 Frames/Secoled_i2c_wr_byte(0xD9, OLED_CMD); //--set pre-charge periodoled_i2c_wr_byte(0xF1, OLED_CMD); //Set Pre-Charge as 15 Clocks & Discharge as 1 Clockoled_i2c_wr_byte(0xDA, OLED_CMD); //--set com pins hardware configurationoled_i2c_wr_byte(0x12, OLED_CMD);oled_i2c_wr_byte(0xDB, OLED_CMD); //--set vcomholed_i2c_wr_byte(0x40, OLED_CMD); //Set VCOM Deselect Leveloled_i2c_wr_byte(0x20, OLED_CMD); //-Set Page Addressing Mode (0x00/0x01/0x02) 设置地址模式oled_i2c_wr_byte(0x00, OLED_CMD); //00b, Horizontal Addressing Mode 水平地址模式oled_i2c_wr_byte(0x20, OLED_CMD); //-Set Page Addressing Mode (0x00/0x01/0x02)oled_i2c_wr_byte(0x02, OLED_CMD); //10b, Page Addressing Mode (RESET)oled_i2c_wr_byte(0x8D, OLED_CMD); //--set Charge Pump enable/disableoled_i2c_wr_byte(0x14, OLED_CMD); //--set(0x10) disableoled_i2c_wr_byte(0xA4, OLED_CMD); // Disable Entire Display On (0xa4/0xa5)oled_i2c_wr_byte(0xA6, OLED_CMD); // Disable Inverse Display On (0xa6/a7)oled_i2c_wr_byte(0xAF, OLED_CMD); //--turn on oled paneloled_i2c_wr_byte(0xAF, OLED_CMD); /*display ON*/}
void oled_i2c_write_buffer(unsigned char *buffer, unsigned int length){I2C_EnableGenerateStart(I2C1);while (!I2C_ReadEventStatus(I2C1, I2C_EVENT_MASTER_MODE_SELECT)); //EV5I2C_Tx7BitAddress(I2C1, SSD1306_ADDRESS, I2C_DIRECTION_TX);while (!I2C_ReadEventStatus(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED)); //EV6I2C_TxData(I2C1, 0x40);while (!I2C_ReadEventStatus(I2C1, I2C_EVENT_MASTER_BYTE_TRANSMITTING)); //EV8i2c_dma_transmit_buffer(buffer, length); //DMA Transmit}
//刷新整个屏幕void oled_refresh(unsigned char mem[]){oled_i2c_write_buffer(mem, OLED_MEM_SIZE);oled_delay_ms(200);}
int main(void){oled_init();while(1){oled_refresh(&mario1[BMP_OFFSET]);oled_refresh(&mario2[BMP_OFFSET]);oled_refresh(&mario3[BMP_OFFSET]);oled_refresh(&mario4[BMP_OFFSET]);oled_refresh(&mario5[BMP_OFFSET]);oled_refresh(&mario6[BMP_OFFSET]);oled_refresh(&mario7[BMP_OFFSET]);oled_refresh(&mario8[BMP_OFFSET]);oled_refresh(&mario9[BMP_OFFSET]);oled_refresh(&mario10[BMP_OFFSET]);oled_refresh(&mario11[BMP_OFFSET]);oled_refresh(&mario12[BMP_OFFSET]);}}
while(1){oled_refresh(&mario1[BMP_OFFSET]);oled_refresh(&mario2[BMP_OFFSET]);oled_refresh(&mario3[BMP_OFFSET]);oled_refresh(&mario4[BMP_OFFSET]);oled_refresh(&mario5[BMP_OFFSET]);oled_refresh(&mario6[BMP_OFFSET]);oled_refresh(&mario7[BMP_OFFSET]);oled_refresh(&mario8[BMP_OFFSET]);oled_refresh(&mario9[BMP_OFFSET]);oled_refresh(&mario10[BMP_OFFSET]);oled_refresh(&mario11[BMP_OFFSET]);oled_refresh(&mario12[BMP_OFFSET]);}
END
