#ifndef   ssd1306_H
#define   ssd1306_H

#define   SSD_RESET       GPIOB,GPIO_Pin_2
#define   SSD_A0          GPIOB,GPIO_Pin_10
#define   SSD_CS          GPIOB,GPIO_Pin_1

#define   SSD_Reset_Low()   GPIO_ResetBits(SSD_RESET)
#define   SSD_Reset_High()  GPIO_SetBits(SSD_RESET)
#define   SSD_A0_Low()      GPIO_ResetBits(SSD_A0)
#define   SSD_A0_High()     GPIO_SetBits(SSD_A0)
#define   SSD_CS_Low()      GPIO_ResetBits(SSD_CS)
#define   SSD_CS_High()     GPIO_SetBits(SSD_CS)

// Use stdperiph
#define   SPI_SendByte(data)  SPI_I2S_SendData(SPI1,data) 
#define   SPI_Wait()       while(!(SPI1->SR&SPI_I2S_FLAG_TXE));while(SPI1->SR&SPI_I2S_FLAG_BSY); 


void ssd1306_Init(void);
void ssd1306_DrawChar(char ascii, unsigned char row, unsigned char xPos);
void ssd1306_DrawString(const char *dataPtr, unsigned char row, unsigned char xPos);
void ssd1306_drawlogo();
void ssd1306_clearscreen();

#endif