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untested support for Unknown Teensy 4 Beta

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prenticedavid
2019-11-30 18:24:45 +00:00
parent 46ac5ee3d4
commit 5ed593d347
1 changed files with 65 additions and 1 deletions
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66
extras/unused/mcufriend_special_3.h
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@@ -359,4 +359,68 @@
#define PIN_HIGH(port, pin) (port).OUTSET.reg = (1<<(pin))
#define PIN_OUTPUT(port, pin) (port).DIR.reg |= (1<<(pin))
//###################################################################################
//###################################### TEENSY 4 BETA ####################################
#elif defined(__IMXRT1052__)// regular UNO shield on a Teensy 4.x
#warning regular UNO shield on UNKNOWN Teensy 4.0
//LCD pins |D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0 | |RD |WR |RS |CS |RST | A5
//MXRT pin |4.16|4.17|2.7|2.6|2.5|2.4|4.11|4.10| |1.18|1.19|1.23|1.22|1.17|1.16
#if 0
#elif defined(__IMXRT1052__)
#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 GPIO1
#define RD_PIN 18
#define WR_PORT GPIO1
#define WR_PIN 19
#define CD_PORT GPIO1
#define CD_PIN 23
#define CS_PORT GPIO1
#define CS_PIN 22
#define RESET_PORT GPIO1
#define RESET_PIN 17
// configure macros for the data pins
#define DMASK ((1<<16)|(1<<17)|(1<<11)|(1<<10))
#define BMASK ((1<<7)|(1<<6)|(1<<5)|(1<<4))
#define write_8(d) { \
GPIO4_DR_CLEAR = DMASK; GPIO2_DR_CLEAR = BMASK; \
GPIO4_DR_SET = (((d) & (1 << 0)) << 10) \
| (((d) & (1 << 1)) << 10) \
| (((d) & (1 << 6)) << 11) \
| (((d) & (1 << 7)) << 9); \
GPIO2_DR_SET = (((d) & (1 << 2)) << 2) \
| (((d) & (1 << 3)) << 2) \
| (((d) & (1 << 4)) << 2) \
| (((d) & (1 << 5)) << 2); \
}
#define read_8() ((((GPIO4_PSR & (1 << 10)) >> 10) \
| ((GPIO4_PSR & (1 << 11)) >> 10) \
| ((GPIO2_PSR & (1 << 4)) >> 2) \
| ((GPIO2_PSR & (1 << 5)) >> 2) \
| ((GPIO2_PSR & (1 << 6)) >> 2) \
| ((GPIO2_PSR & (1 << 7)) >> 2) \
| ((GPIO4_PSR & (1 << 17)) >> 11) \
| ((GPIO4_PSR & (1 << 16)) >> 9)))
#define setWriteDir() {GPIO4_GDIR |= DMASK;GPIO2_GDIR |= BMASK; }
#define setReadDir() {GPIO4_GDIR &= ~DMASK;GPIO2_GDIR &= ~BMASK; }
#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))
//#################################################################################################################