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mcufriend_stm32.h
executable file
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mcufriend_stm32.h
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#define RD_PORT GPIOB
#define RD_PIN 9
#define WR_PORT GPIOB
#define WR_PIN 8
#define CD_PORT GPIOB
#define CD_PIN 7
#define CS_PORT GPIOB
#define CS_PIN 6
#define RESET_PORT GPIOB
#define RESET_PIN 5
#define write_8(x) (GPIOA->regs->ODR = (x & 0xFF))
#define read_8() (GPIOA->regs->IDR & 0xFF)
#define setWriteDir() { \
gpio_set_mode(GPIOA, 0, GPIO_OUTPUT_PP); \
gpio_set_mode(GPIOA, 1, GPIO_OUTPUT_PP); \
gpio_set_mode(GPIOA, 2, GPIO_OUTPUT_PP); \
gpio_set_mode(GPIOA, 3, GPIO_OUTPUT_PP); \
gpio_set_mode(GPIOA, 4, GPIO_OUTPUT_PP); \
gpio_set_mode(GPIOA, 5, GPIO_OUTPUT_PP); \
gpio_set_mode(GPIOA, 6, GPIO_OUTPUT_PP); \
gpio_set_mode(GPIOA, 7, GPIO_OUTPUT_PP); \
}
#define setReadDir() { \
gpio_set_mode(GPIOA, 0, GPIO_INPUT_FLOATING); \
gpio_set_mode(GPIOA, 1, GPIO_INPUT_FLOATING); \
gpio_set_mode(GPIOA, 2, GPIO_INPUT_FLOATING); \
gpio_set_mode(GPIOA, 3, GPIO_INPUT_FLOATING); \
gpio_set_mode(GPIOA, 4, GPIO_INPUT_FLOATING); \
gpio_set_mode(GPIOA, 5, GPIO_INPUT_FLOATING); \
gpio_set_mode(GPIOA, 6, GPIO_INPUT_FLOATING); \
gpio_set_mode(GPIOA, 7, GPIO_INPUT_FLOATING); \
}
#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) { uint8_t hi; READ_8(hi); READ_8(dst); dst |= (hi << 8); }
#define PIN_LOW(p, b) gpio_write_bit(p, b, LOW)
#define PIN_HIGH(p, b) gpio_write_bit(p, b, HIGH)
#define PIN_OUTPUT(p, b) gpio_set_mode(p, b, GPIO_OUTPUT_PP);
#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, RD_ACTIVE, RD_ACTIVE, RD_ACTIVE //PWLR=TRDL=150ns, tDDR=100ns
#define CTL_INIT() { RD_OUTPUT; WR_OUTPUT; CD_OUTPUT; CS_OUTPUT; RESET_OUTPUT; }
#define WriteCmd(x) { CD_COMMAND; write16(x); }
#define WriteData(x) { CD_DATA; write16(x); }