mirror of
https://github.com/YuzuZensai/MCUFRIEND_kbv.git
synced 2026-01-06 04:32:38 +00:00
65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
#ifndef MCUFRIEND_KEIL_H_
|
|
#define MCUFRIEND_KEIL_H_
|
|
|
|
#if defined(USE_SERIAL)
|
|
#include "mcufriend_keil_spi.h"
|
|
#else
|
|
#include "pin_shield_1.h" //shield pin macros e.g. A2_PORT, PIN_OUTPUT()
|
|
#include "pin_shield_8.h" //macros for write_8(), read_8(), setWriteDir(), ...
|
|
|
|
// control pins as used in MCUFRIEND shields
|
|
#define RD_PORT A0_PORT
|
|
#define RD_PIN A0_PIN
|
|
#define WR_PORT A1_PORT
|
|
#define WR_PIN A1_PIN
|
|
#define CD_PORT A2_PORT
|
|
#define CD_PIN A2_PIN
|
|
#define CS_PORT A3_PORT
|
|
#define CS_PIN A3_PIN
|
|
#define RESET_PORT A4_PORT
|
|
#define RESET_PIN A4_PIN
|
|
|
|
// general purpose pin macros
|
|
#define RD_ACTIVE PIN_LOW(RD_PORT, RD_PIN)
|
|
#define RD_IDLE PIN_HIGH(RD_PORT, RD_PIN)
|
|
#define RD_OUTPUT PIN_OUTPUT(RD_PORT, RD_PIN)
|
|
#define WR_ACTIVE PIN_LOW(WR_PORT, WR_PIN)
|
|
#define WR_IDLE PIN_HIGH(WR_PORT, WR_PIN)
|
|
#define WR_OUTPUT PIN_OUTPUT(WR_PORT, WR_PIN)
|
|
#define CD_COMMAND PIN_LOW(CD_PORT, CD_PIN)
|
|
#define CD_DATA PIN_HIGH(CD_PORT, CD_PIN)
|
|
#define CD_OUTPUT PIN_OUTPUT(CD_PORT, CD_PIN)
|
|
#define CS_ACTIVE PIN_LOW(CS_PORT, CS_PIN)
|
|
#define CS_IDLE PIN_HIGH(CS_PORT, CS_PIN)
|
|
#define CS_OUTPUT PIN_OUTPUT(CS_PORT, CS_PIN)
|
|
#define RESET_ACTIVE PIN_LOW(RESET_PORT, RESET_PIN)
|
|
#define RESET_IDLE PIN_HIGH(RESET_PORT, RESET_PIN)
|
|
#define RESET_OUTPUT PIN_OUTPUT(RESET_PORT, RESET_PIN)
|
|
|
|
// General macros. IOCLR registers are 1 cycle when optimised.
|
|
#define WR_STROBE { WR_ACTIVE; WR_IDLE; } //PWLW=TWRL=50ns
|
|
#define RD_STROBE RD_IDLE, RD_ACTIVE, RD_ACTIVE, RD_ACTIVE //PWLR=TRDL=150ns
|
|
|
|
#if defined(TEENSY) || defined(__ARM_ARCH_7EM__) // -O2: F411@100MHz = 1.44s
|
|
#define WRITE_DELAY { WR_ACTIVE; WR_ACTIVE; WR_ACTIVE; }
|
|
#define READ_DELAY { RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; RD_ACTIVE; }
|
|
#elif defined(__ARM_ARCH_7M__) // -O2: F103@72MHz = 2.68s
|
|
#define WRITE_DELAY { }
|
|
#define READ_DELAY { RD_ACTIVE; }
|
|
#elif defined(__ARM_ARCH_6M__) // -O2: F072@48MHz = 5.03s
|
|
#define WRITE_DELAY { }
|
|
#define READ_DELAY { }
|
|
#endif
|
|
|
|
#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; } // read 250ns after RD_ACTIVE goes low
|
|
#define READ_16(dst) { uint8_t hi; READ_8(hi); READ_8(dst); dst |= (hi << 8); }
|
|
|
|
#define CTL_INIT() { RD_OUTPUT; WR_OUTPUT; CD_OUTPUT; CS_OUTPUT; RESET_OUTPUT; }
|
|
#define WriteCmd(x) { CD_COMMAND; write16(x); CD_DATA; }
|
|
#define WriteData(x) { write16(x); }
|
|
|
|
#endif //!USE_SERIAL
|
|
#endif //MCUFRIEND_KEIL_H_
|