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add TTGO D1 R32 (ESP32 shield). note you must hard-wire 3 control pins

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prenticedavid
2017-09-17 11:37:08 +01:00
parent e970a5c8b3
commit a7e38ef0aa
1 changed files with 103 additions and 0 deletions
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103
utility/mcufriend_shield.h
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@@ -456,6 +456,109 @@ void write_8(uint8_t x)
#define READ_8(dst) { RD_STROBE; READ_DELAY; dst = read_8(); RD_IDLE; }
#define READ_16(dst) { uint8_t hi; READ_8(hi); READ_8(dst); dst |= (hi << 8); }
#elif defined(ESP32) //regular UNO shield on TTGO D1 R32 (ESP32)
#define LCD_RD 2 //LED
#define LCD_WR 4
#define LCD_RS 15 //hard-wired to A2 (GPIO35)
#define LCD_CS 33 //hard-wired to A3 (GPIO34)
#define LCD_RST 32 //hard-wired to A4 (GPIO36)
#define LCD_D0 12
#define LCD_D1 13
#define LCD_D2 26
#define LCD_D3 25
#define LCD_D4 17
#define LCD_D5 16
#define LCD_D6 27
#define LCD_D7 14
#define RD_PORT PORTC
#define RD_PIN LCD_RD
#define WR_PORT PORTC
#define WR_PIN LCD_WR
#define CD_PORT PORTC
#define CD_PIN LCD_RS
#define CS_PORT PORTC
#define CS_PIN LCD_CS
#define RESET_PORT PORTC
#define RESET_PIN LCD_RST
static inline uint32_t map_8(uint32_t d)
{
return (
0
| ((d & (1 << 0)) << (LCD_D0 - 0))
| ((d & (1 << 1)) << (LCD_D1 - 1))
| ((d & (1 << 2)) << (LCD_D2 - 2))
| ((d & (1 << 3)) << (LCD_D3 - 3))
| ((d & (1 << 4)) << (LCD_D4 - 4))
| ((d & (1 << 5)) << (LCD_D5 - 5))
| ((d & (1 << 6)) << (LCD_D6 - 6))
| ((d & (1 << 7)) << (LCD_D7 - 7))
);
}
static inline uint8_t map_32(uint32_t d)
{
return (
0
| ((d & (1 << LCD_D0)) >> (LCD_D0 - 0))
| ((d & (1 << LCD_D1)) >> (LCD_D1 - 1))
| ((d & (1 << LCD_D2)) >> (LCD_D2 - 2))
| ((d & (1 << LCD_D3)) >> (LCD_D3 - 3))
| ((d & (1 << LCD_D4)) >> (LCD_D4 - 4))
| ((d & (1 << LCD_D5)) >> (LCD_D5 - 5))
| ((d & (1 << LCD_D6)) >> (LCD_D6 - 6))
| ((d & (1 << LCD_D7)) >> (LCD_D7 - 7))
);
}
static inline void write_8(uint16_t data)
{
GPIO.out_w1tc = map_8(0xFF); //could define once as DMASK
GPIO.out_w1ts = map_8(data);
}
static inline uint8_t read_8()
{
return map_32(GPIO.in);
}
static void setWriteDir()
{
pinMode(LCD_D0, OUTPUT);
pinMode(LCD_D1, OUTPUT);
pinMode(LCD_D2, OUTPUT);
pinMode(LCD_D3, OUTPUT);
pinMode(LCD_D4, OUTPUT);
pinMode(LCD_D5, OUTPUT);
pinMode(LCD_D6, OUTPUT);
pinMode(LCD_D7, OUTPUT);
}
static void setReadDir()
{
pinMode(LCD_D0, INPUT);
pinMode(LCD_D1, INPUT);
pinMode(LCD_D2, INPUT);
pinMode(LCD_D3, INPUT);
pinMode(LCD_D4, INPUT);
pinMode(LCD_D5, INPUT);
pinMode(LCD_D6, INPUT);
pinMode(LCD_D7, INPUT);
}
#define WRITE_DELAY { }
#define READ_DELAY { }
#define write8(x) { write_8(x); WRITE_DELAY; WR_STROBE; }
#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; }
#define READ_16(dst) { uint8_t hi; READ_8(hi); READ_8(dst); dst |= (hi << 8); }
#define PIN_LOW(p, b) (digitalWrite(b, LOW))
#define PIN_HIGH(p, b) (digitalWrite(b, HIGH))
#define PIN_OUTPUT(p, b) (pinMode(b, OUTPUT))
#else
#error MCU unsupported
#endif // regular UNO shields on Arduino boards