st7735s_compat.c.stm32

#include "st7735s_compat.h"
#include "spi.h"
#include "tim.h"

uint32_t tim_period = 32768;
uint32_t tim_pulse;


#include "stm32f3xx_ll_gpio.h"
#ifndef _Pin_Init
#define _Pin_Init(name) LL_GPIO_SetPinMode(name ## _GPIO_Port, name ## _Pin, LL_GPIO_MODE_OUTPUT)
#define _Pin_Toggle(name) LL_GPIO_TogglePin(name ## _GPIO_Port, name ## _Pin)
#define _Pin_High(name) LL_GPIO_SetOutputPin(name ## _GPIO_Port, name ## _Pin);
#define _Pin_Low(name) LL_GPIO_ResetOutputPin(name ##_GPIO_Port, name ## _Pin);
#endif


void SPI_Init(void) {
	// Pin_Low(CS);
}

void Pin_CS_Low(void) {
}

void Pin_CS_High(void) {
}

void Pin_RES_High(void) {
    _Pin_High(ST_RESET);
}

void Pin_RES_Low(void) {
    _Pin_Low(ST_RESET);
}

void Pin_DC_High(void) {
    _Pin_High(ST_DC);
}

void Pin_DC_Low(void) {
    _Pin_Low(ST_DC);
}

extern uint8_t backlight_pct;
void Pin_BLK_Pct(uint8_t pct) {
    backlight_pct = pct;
    tim_pulse = pct*tim_period/100;
    __HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_1, tim_pulse);
}

void SPI_send(uint16_t len, uint8_t *data) {
	Pin_CS_low();
#if 0
	while (len--)
		HAL_SPI_Transmit(&hspi3, data++, 1, 0xF000);
#else
	HAL_SPI_Transmit(&hspi3, data, len, 0xF000);
	Pin_CS_High();
#endif
}

void SPI_TransmitCmd(uint16_t len, uint8_t *data) {
    Pin_DC_Low();
    SPI_send(len, data);
}

void SPI_TransmitData(uint16_t len, uint8_t *data) {
    Pin_DC_High();
    SPI_send(len, data);
}

void SPI_Transmit(uint16_t len, uint8_t *data) {
    SPI_TransmitCmd(1, data++);
    if (--len)
       SPI_TransmitData(len, data);
}

void _Delay(uint32_t d) {
    HAL_Delay(d);
}