SPI.h

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#ifndef __SPI_H__
#define __SPI_H__
 
#define ECE445L_Lab6 0
#if ECE445L_Lab6
// SPI1 SCLK
#define SPI1_SCLKINDEX (PA17INDEX)  // PA17 is SPI1 SCLK
 
// SPI1 PICO
#define SPI1_PICOINDEX (PA18INDEX)  // PA18 is SPI1 PICO MOSI
 
// SPI1 POCI MISO
#define SPI1_POCIINDEX (PA16INDEX)  // PA16 is  SPI1 POCI MISO
 
// SDC CS
#define SDC_CS           GPIOA
#define SDC_CS_PIN       (1<<25)         // CS controlled by software
#define SDC_CS_INDEX     (PA25INDEX)     // PA25 GPIO
#define SDC_CS_LOW()     (SDC_CS->DOUTCLR31_0 = SDC_CS_PIN)   // PA25 low
#define SDC_CS_HIGH()    (SDC_CS->DOUTSET31_0 = SDC_CS_PIN)   // PA25 high
 
// TFT CS
#define TFT_CS           GPIOA
#define TFT_CS_PIN       (1<<27)         // TFT CS controlled by software
#define TFT_CS_INDEX     (PA27INDEX)     // PA27 GPIO
#define TFT_CS_LOW()     (TFT_CS->DOUTCLR31_0 = TFT_CS_PIN)   // PA27 low
#define TFT_CS_HIGH()    (TFT_CS->DOUTSET31_0 = TFT_CS_PIN)   // PA27 high
 
// TFT DC
#define TFT_DC           GPIOA
#define TFT_DC_PIN       (1<<13)         // D/C controlled by software
#define TFT_DC_INDEX     (PA13INDEX)     // PA13 GPIO
#define TFT_DC_LOW()     (TFT_DC->DOUTCLR31_0 = TFT_DC_PIN)   // PB16 low
#define TFT_DC_HIGH()    (TFT_DC->DOUTSET31_0 = TFT_DC_PIN)   // PB16 high
 
// TFT RST
#define TFT_RST          GPIOA
#define TFT_RST_PIN      (1<<24)         // !RST controlled by software
#define TFT_RST_INDEX    (PA24INDEX)     // PB15 GPIO
#define TFT_RST_LOW()    (TFT_RST->DOUTCLR31_0 = TFT_RST_PIN)   // PA24 low
#define TFT_RST_HIGH()   (TFT_RST->DOUTSET31_0 = TFT_RST_PIN)   // PA24 high
 
#else
// SPI1 SCLK
#define SPI1_SCLKINDEX (PB9INDEX)  // PB9 is SPI1 SCLK
 
// SPI1 PICO
#define SPI1_PICOINDEX (PB8INDEX)  // PB8 is SPI1 PICO MOSI
 
// SPI1 POCI
#define SPI1_POCIINDEX (PB7INDEX)  // PB7 is SPI1 POCI MISO
 
// SDC CS
#define SDC_CS           GPIOA
#define SDC_CS_PIN       (1<<12)         // CS controlled by software
#define SDC_CS_INDEX     (PA12INDEX)     // PA12 GPIO
#define SDC_CS_LOW()     (SDC_CS->DOUTCLR31_0 = SDC_CS_PIN)   // PA12 low
#define SDC_CS_HIGH()    (SDC_CS->DOUTSET31_0 = SDC_CS_PIN)   // PA12 high
 
// TFT CS
#define TFT_CS           GPIOB
#define TFT_CS_PIN       (1<<6)         // TFT CS controlled by software
#define TFT_CS_INDEX     (PB6INDEX)     // PB6 GPIO
#define TFT_CS_LOW()     (TFT_CS->DOUTCLR31_0 = TFT_CS_PIN)   // PB6 low
#define TFT_CS_HIGH()    (TFT_CS->DOUTSET31_0 = TFT_CS_PIN)   // PB6 high
 
// TFT DC
#define TFT_DC           GPIOA
#define TFT_DC_PIN       (1<<13)         // D/C controlled by software
#define TFT_DC_INDEX     (PA13INDEX)     // PA13 GPIO
#define TFT_DC_LOW()     (TFT_DC->DOUTCLR31_0 = TFT_DC_PIN)   // PB16 low
#define TFT_DC_HIGH()    (TFT_DC->DOUTSET31_0 = TFT_DC_PIN)   // PB16 high
 
// TFT RST
#define TFT_RST          GPIOB
#define TFT_RST_PIN      (1<<15)         // !RST controlled by software
#define TFT_RST_INDEX    (PB15INDEX)     // PB15 GPIO
#define TFT_RST_LOW()    (TFT_RST->DOUTCLR31_0 = TFT_RST_PIN)   // PB15 low
#define TFT_RST_HIGH()   (TFT_RST->DOUTSET31_0 = TFT_RST_PIN)   // PB15 high
#endif
 
void SPI_OutData(char data);
 
void SPI_OutCommand(char command);
 
void SPI1_Reset(void);
 
// SDC CS initialization
void CS_Init(void);
 
void SPI1_Init(void);
 
 //---------TFT_OutCommand------------
 // Output 8-bit command to SPI port
 // Input: data is an 8-bit data to be transferred
 // Output: none
 void TFT_OutCommand(char command);
 
void TFT_OutData(char data);
 
 
#endif // __SPI_H__