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matthewreed

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#ifndef   ssd1306_H
#define   ssd1306_H

#define   SSD_RESET       GPIOA,GPIO_PIN_3
#define   SSD_A0          GPIOA,GPIO_PIN_4
#define   SSD_CS          GPIOA,GPIO_PIN_2

#define   SSD_Reset_Low()   HAL_GPIO_WritePin(SSD_RESET, 0)
#define   SSD_Reset_High()  HAL_GPIO_WritePin(SSD_RESET, 1)
#define   SSD_A0_Low()      HAL_GPIO_WritePin(SSD_A0, 0)
#define   SSD_A0_High()     HAL_GPIO_WritePin(SSD_A0, 1)
#define   SSD_CS_Low()      HAL_GPIO_WritePin(SSD_CS, 0)
#define   SSD_CS_High()     HAL_GPIO_WritePin(SSD_CS, 1)

// EMZ FIXME this won't really work
#define   SPI_SendByte(data)  HAL_SPI_Transmit(spi_get(), &data, 1, 100) 
//#define SPI_SendByte(data) 
#define SPI_Wait() 

//#define   SPI_SendByte(data)  SPI_I2S_SendData(SPI1,data) 
//#define   SPI_Wait()       while(!(SPI1->SR&SPI_FLAG_TXE));while(SPI1->SR&SPI_FLAG_BSY); 

void ssd1306_init(void);
void ssd1306_drawchar(char ascii, unsigned char row, unsigned char xPos);
void ssd1306_drawcharbig(char ascii, unsigned char row, unsigned char xPos);
void ssd1306_drawstring(const char *dataPtr, unsigned char row, unsigned char xPos);
void ssd1306_drawstringbig(const char *dataPtr, unsigned char row, unsigned char xPos);
void ssd1306_drawlogo();
void ssd1306_clearscreen();

#endif

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