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support 8-bit MEGA shield

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prenticedavid
2016-06-02 19:14:24 +01:00
parent 4cd5d6fc45
commit 91f845d592
2 changed files with 31 additions and 3 deletions
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2
mcufriend_shield.h
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@@ -1,4 +1,4 @@
//#define USE_SPECIAL //check for custom drivers
#define USE_SPECIAL //check for custom drivers
#if defined(USE_SPECIAL)
#include "mcufriend_special.h"
#if !defined(USE_SPECIAL_FAIL)

32
mcufriend_special.h
View File

@@ -4,11 +4,12 @@
//#define USE_SSD1289_SHIELD_MEGA
//#define USE_SSD1289_SHIELD_DUE
//#define USE_MEGA_8BIT_PROTOSHIELD
#define USE_MEGA_16BIT_SHIELD //RD on PL6 (D43)
//#define USE_MEGA_8BIT_SHIELD
//#define USE_MEGA_16BIT_SHIELD //RD on PL6 (D43)
//#define USE_BLD_BST_MEGA32U4
//#define USE_BLD_BST_MEGA2560
//#define USE_DUE_8BIT_PROTOSHIELD
//#define USE_DUE_16BIT_SHIELD //RD on PA15 (D24)
#define USE_DUE_16BIT_SHIELD //RD on PA15 (D24)
#if 0
#elif defined(__AVR_ATmega328P__) && defined(USE_SSD1289_SHIELD_UNO) //on UNO
@@ -288,6 +289,33 @@ static inline void write_8(uint8_t val)
#define PIN_HIGH(p, b) (p) |= (1<<(b))
#define PIN_OUTPUT(p, b) *(&p-1) |= (1<<(b))
#elif defined(__AVR_ATmega2560__) && defined(USE_MEGA_8BIT_SHIELD)
#warning USE_MEGA_8BIT_SHIELD for vagos21
#define RD_PORT PORTL
#define RD_PIN 6 //PL6 (D43). Graham has PA15 (D24) on Due Shield
#define WR_PORT PORTG
#define WR_PIN 2 //D39 CTE
#define CD_PORT PORTD
#define CD_PIN 7 //D38 CTE
#define CS_PORT PORTG
#define CS_PIN 1 //D40 CTE
#define RESET_PORT PORTG
#define RESET_PIN 0 //D41 CTE
#define write_8(x) { PORTA = x;}
#define read_8() ( PINA )
#define setWriteDir() { DDRA = 0xFF; }
#define setReadDir() { DDRA = 0x00; }
#define write8(x) { write_8(x); WR_STROBE; }
#define write16(x) { uint8_t h = (x)>>8, l = x; write8(h); write8(l); }
#define READ_8(dst) { RD_STROBE; dst = read_8(); RD_IDLE; }
#define READ_16(dst) { RD_STROBE; dst = read_8(); RD_IDLE; RD_STROBE; dst = (dst<<8) | read_8(); RD_IDLE; }
#define PIN_LOW(p, b) (p) &= ~(1<<(b))
#define PIN_HIGH(p, b) (p) |= (1<<(b))
#define PIN_OUTPUT(p, b) *(&p-1) |= (1<<(b))
#elif defined(__AVR_ATmega2560__) && defined(USE_MEGA_8BIT_PROTOSHIELD)
#warning USE_MEGA_8BIT_PROTOSHIELD
#define RD_PORT PORTF