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Surenoo 8/16 bit shield in 8-bit mode on DUE

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prenticedavid
2021-02-17 14:03:38 +00:00
parent 7f5c38abd0
commit fc0bc3604f
1 changed files with 63 additions and 0 deletions
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63
utility/mcufriend_special.h
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@@ -875,6 +875,69 @@ static __attribute((always_inline)) void write_8(uint8_t val)
#define PIN_HIGH(port, pin) (port)->PIO_SODR = (1<<(pin))
#define PIN_OUTPUT(port, pin) (port)->PIO_OER = (1<<(pin))
#elif defined(__SAM3X8E__) && defined(USE_MEGA_8BIT_PORTC_SHIELD) //Surenoo 8/16bit shield on DUE
#warning USE_MEGA_8BIT_PORTC_SHIELD on DUE
// configure macros for the control pins
#define RD_PORT PIOA
#define RD_PIN 20 //D43
#define WR_PORT PIOC
#define WR_PIN 7 //D39
#define CD_PORT PIOC
#define CD_PIN 6 //D38
#define CS_PORT PIOC
#define CS_PIN 8 //D40
#define RESET_PORT PIOC
#define RESET_PIN 9 //D41
// configure macros for data bus
//
#define AMASK (1<<7) //PA7 D31
#define CMASK (31<<1) //PC1-PC5 D33-D37
#define DMASK (3<<9) //PD9,PD10 D30,D32
#define write_8(x) { PIOA->PIO_CODR = AMASK; PIOC->PIO_CODR = CMASK; PIOD->PIO_CODR = DMASK; \
PIOA->PIO_SODR = (((x)&(1<<6))<<1); \
PIOC->PIO_SODR = (((x)&(1<<0))<<5); \
PIOC->PIO_SODR = (((x)&(1<<1))<<3); \
PIOC->PIO_SODR = (((x)&(1<<2))<<1); \
PIOC->PIO_SODR = (((x)&(1<<3))>>1); \
PIOC->PIO_SODR = (((x)&(1<<4))>>3); \
PIOD->PIO_SODR = (((x)&(1<<7))<<2)|(((x)&(1<<5))<<5); \
}
#define read_8() ( 0\
|((PIOC->PIO_PDSR & (1<<5))>>5)\
|((PIOC->PIO_PDSR & (1<<4))>>3)\
|((PIOC->PIO_PDSR & (1<<3))>>1)\
|((PIOC->PIO_PDSR & (1<<2))<<1)\
|((PIOC->PIO_PDSR & (1<<1))<<3)\
|((PIOD->PIO_PDSR & (1<<10))>>5)\
|((PIOA->PIO_PDSR & (1<<7))>>1)\
|((PIOD->PIO_PDSR & (1<<9))>>2)\
)
#define setWriteDir() {\
PIOA->PIO_OER = AMASK; PIOA->PIO_PER = AMASK; \
PIOC->PIO_OER = CMASK; PIOB->PIO_PER = CMASK; \
PIOD->PIO_OER = DMASK; PIOD->PIO_PER = DMASK; \
}
#define setReadDir() { \
PMC->PMC_PCER0 = (1 << ID_PIOA)|(1 << ID_PIOB)|(1 << ID_PIOC)|(1 << ID_PIOD); \
PIOA->PIO_ODR = AMASK; \
PIOC->PIO_ODR = CMASK; \
PIOD->PIO_ODR = DMASK; \
}
// ILI9486 is slower than ILI9481. HX8357-D is slower
#define write8(x) { write_8(x); WR_ACTIVE4; WR_STROBE; WR_IDLE; WR_IDLE; }
#define write16(x) { uint8_t h = (x)>>8, l = x; write8(h); write8(l); }
#define READ_8(dst) { RD_STROBE; RD_ACTIVE4; dst = read_8(); RD_IDLE; RD_IDLE; RD_IDLE; }
#define READ_16(dst) { uint8_t hi; READ_8(hi); READ_8(dst); dst |= (hi << 8); }
// Shield Control macros.
#define PIN_LOW(port, pin) (port)->PIO_CODR = (1<<(pin))
#define PIN_HIGH(port, pin) (port)->PIO_SODR = (1<<(pin))
#define PIN_OUTPUT(port, pin) (port)->PIO_OER = (1<<(pin))
#elif defined(__MK20DX256__) && defined(USE_BOBCACHELOT_TEENSY) // special for BOBCACHEALOT_TEENSY
#warning special for BOBCACHEALOT_TEENSY
#define RD_PORT GPIOD