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WR_IDLE macros

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prenticedavid
2018-07-17 09:54:50 +01:00
parent a203dd3175
commit 0212f396ad
1 changed files with 8 additions and 1 deletions
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9
utility/mcufriend_shield.h
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@@ -7,6 +7,8 @@
#define RD_ACTIVE4 {RD_ACTIVE2; RD_ACTIVE2;}
#define RD_ACTIVE8 {RD_ACTIVE4; RD_ACTIVE4;}
#define RD_ACTIVE16 {RD_ACTIVE8; RD_ACTIVE8;}
#define WR_IDLE2 {WR_IDLE; WR_IDLE;}
#define WR_IDLE4 {WR_IDLE2; WR_IDLE2;}
#if defined(USE_SPECIAL)
#include "mcufriend_special.h"
@@ -423,6 +425,7 @@ void write_8(uint8_t x)
#elif defined(STM32F446xx)
#define WRITE_DELAY { WR_ACTIVE8; }
#define IDLE_DELAY { WR_IDLE;WR_IDLE;WR_IDLE; }
#define READ_DELAY { RD_ACTIVE16;}
#define GPIO_INIT() { RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN | RCC_AHB1ENR_GPIOBEN | RCC_AHB1ENR_GPIOCEN; }
#define PIN_OUTPUT(port, pin) PIN_MODE2((port)->MODER, pin, 0x1)
@@ -564,7 +567,11 @@ void write_8(uint8_t x)
#error REGS group
#endif
#define write8(x) { write_8(x); WRITE_DELAY; WR_STROBE; WR_IDLE; }
#ifndef IDLE_DELAY
#define IDLE_DELAY { WR_IDLE; }
#endif
#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; RD_IDLE; }
#define READ_16(dst) { uint8_t hi; READ_8(hi); READ_8(dst); dst |= (hi << 8); }