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Add support for Teensy 4.0

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prenticedavid
2019-11-30 18:24:02 +00:00
parent 7099b23536
commit 46ac5ee3d4
1 changed files with 70 additions and 5 deletions
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75
utility/mcufriend_shield.h
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@@ -418,7 +418,71 @@ void write_8(uint8_t x)
#define PIN_HIGH(p, b) (p) |= (1<<(b))
#define PIN_OUTPUT(p, b) *(&p-1) |= (1<<(b))
//####################################### TEENSY ############################
//####################################### TEENSY 4.0 ############################
#elif defined(__IMXRT1062__) // regular UNO shield on a Teensy 4.x
#warning regular UNO shield on a Teensy 4.0
//LCD pins |D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0 | |RD |WR |RS |CS |RST | A5
//MXRT pin |7.17|7.10|9.8|9.6|9.5|9.4|7.11|7.16| |6.18|6.19|6.23|6.22|6.17|6.16
#if 0
#elif defined(__IMXRT1062__)
#define WRITE_DELAY { WR_ACTIVE8;WR_ACTIVE8; }
#define IDLE_DELAY { WR_IDLE2;WR_IDLE; }
#define READ_DELAY { RD_ACTIVE16;RD_ACTIVE16; }
#else
#error unspecified delays
#endif
#define RD_PORT GPIO6
#define RD_PIN 18
#define WR_PORT GPIO6
#define WR_PIN 19
#define CD_PORT GPIO6
#define CD_PIN 23
#define CS_PORT GPIO6
#define CS_PIN 22
#define RESET_PORT GPIO6
#define RESET_PIN 17
// configure macros for the data pins
#define GMASK ((1<<17)|(1<<10)|(1<<11)|(1<<16))
#define IMASK ((1<<8)|(1<<6)|(1<<5)|(1<<4))
#define write_8(d) { \
GPIO7_DR_CLEAR = GMASK; GPIO9_DR_CLEAR = IMASK; \
GPIO7_DR_SET = (((d) & (1 << 0)) << 16) \
| (((d) & (1 << 1)) << 10) \
| (((d) & (1 << 6)) << 4) \
| (((d) & (1 << 7)) << 10); \
GPIO9_DR_SET = (((d) & (1 << 2)) << 2) \
| (((d) & (1 << 3)) << 2) \
| (((d) & (1 << 4)) << 2) \
| (((d) & (1 << 5)) << 3); \
}
#define read_8() ((((GPIO7_PSR & (1 << 16)) >> 16) \
| ((GPIO7_PSR & (1 << 11)) >> 10) \
| ((GPIO9_PSR & (1 << 4)) >> 2) \
| ((GPIO9_PSR & (1 << 5)) >> 2) \
| ((GPIO9_PSR & (1 << 6)) >> 2) \
| ((GPIO9_PSR & (1 << 8)) >> 3) \
| ((GPIO7_PSR & (1 << 10)) >> 4) \
| ((GPIO7_PSR & (1 << 17)) >> 10)))
#define setWriteDir() {GPIO7_GDIR |= GMASK;GPIO9_GDIR |= IMASK; }
#define setReadDir() {GPIO7_GDIR &= ~GMASK;GPIO9_GDIR &= ~IMASK; }
#define write8(x) { write_8(x); WRITE_DELAY; WR_STROBE; IDLE_DELAY; }
#define write16(x) { uint8_t h = (x)>>8, l = x; write8(h); write8(l); }
#define READ_8(dst) { RD_STROBE; READ_DELAY; dst = read_8(); RD_IDLE2; RD_IDLE; }
#define READ_16(dst) { uint8_t hi; READ_8(hi); READ_8(dst); dst |= (hi << 8); }
#define GPIO_INIT() {for (int i = 2; i <= 9; i++) pinMode(i, OUTPUT); for (int i = A0; i <= A4; i++) pinMode(i, OUTPUT);}
#define PASTE(x, y) x ## y
#define PIN_LOW(port, pin) PASTE(port, _DR_CLEAR) = (1<<(pin))
#define PIN_HIGH(port, pin) PASTE(port, _DR_SET) = (1<<(pin))
#define PIN_OUTPUT(port, pin) PASTE(port, _GDIR) |= (1<<(pin))
//####################################### TEENSY 3.x ############################
#elif defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MK64FX512__) || defined(__MK66FX1M0__) // regular UNO shield on a Teensy 3.x
#warning regular UNO shield on a Teensy 3.x
@@ -433,6 +497,7 @@ void write_8(uint8_t x)
#define READ_DELAY { RD_ACTIVE8; }
#elif defined(__MK66FX1M0__) // Teensy3.6 180MHz untested. delays can possibly be reduced.
#define WRITE_DELAY { WR_ACTIVE8; }
#define IDLE_DELAY { WR_IDLE2; }
#define READ_DELAY { RD_ACTIVE16; }
#else
#error unspecified delays
@@ -475,10 +540,10 @@ void write_8(uint8_t x)
| ((GPIOD_PDIR & (1 << 2)) << 5)))
#define setWriteDir() {GPIOA_PDDR |= AMASK;GPIOC_PDDR |= CMASK;GPIOD_PDDR |= DMASK; }
#define setReadDir() {GPIOA_PDDR &= ~AMASK;GPIOC_PDDR &= ~CMASK;GPIOD_PDDR &= ~DMASK; }
#define write8(x) { write_8(x); WRITE_DELAY; WR_STROBE; } //PJ adjusted
#define write16(x) { uint8_t h = (x)>>8, l = x; write8(h); write8(l); }
#define READ_8(dst) { RD_STROBE; READ_DELAY; dst = read_8(); RD_IDLE; } //PJ adjusted
#define READ_16(dst) { uint8_t hi; READ_8(hi); READ_8(dst); dst |= (hi << 8); }
#define write8(x) { write_8(x); WRITE_DELAY; WR_STROBE; IDLE_DELAY; }
#define write16(x) { uint8_t h = (x)>>8, l = x; write8(h); write8(l); }
#define READ_8(dst) { RD_STROBE; READ_DELAY; dst = read_8(); RD_IDLE; } //PJ adjusted
#define READ_16(dst) { uint8_t hi; READ_8(hi); READ_8(dst); dst |= (hi << 8); }
//#define GPIO_INIT() {SIM_SCGC5 |= 0x3E00;} //PORTA-PORTE
#define GPIO_INIT() {for (int i = 2; i <= 9; i++) pinMode(i, OUTPUT); for (int i = A0; i <= A4; i++) pinMode(i, OUTPUT);}