yc_client/components/FONT_LIB/FONT_LIB.c

#include <stdio.h>

#include "GT5DL32A3W.h"
#include "FONT_LIB.h"

#include "esp_log.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"

static const char *LOG_TAG = "FONTLIB";

static void task_delay_ms(uint32_t ms_count)
{
	vTaskDelay(ms_count / portTICK_PERIOD_MS);
}

void gt_font_pin_init()
{
	gpio_config_t fontLib_pin_cfg = {};

	fontLib_pin_cfg.intr_type = GPIO_INTR_DISABLE;
	fontLib_pin_cfg.mode = GPIO_MODE_OUTPUT;
	fontLib_pin_cfg.pin_bit_mask = FONT_OUTPUT_PIN_SEL;
	fontLib_pin_cfg.pull_down_en = 0;
	fontLib_pin_cfg.pull_up_en = 0;
	gpio_config(&fontLib_pin_cfg);

	fontLib_pin_cfg.intr_type = GPIO_INTR_DISABLE;
	fontLib_pin_cfg.mode = GPIO_MODE_INPUT;
	fontLib_pin_cfg.pin_bit_mask = FONT_INPUT_PIN_SEL;
	fontLib_pin_cfg.pull_down_en = 0;
	fontLib_pin_cfg.pull_up_en = 1;
	gpio_config(&fontLib_pin_cfg);
}

void font_init()
{
	gt_font_pin_init();

	FONT_CLK_1;
	FONT_SDA_1;
	FONT_CS_HIGHT;

	font_exit_sleep(); // 退出睡眠

	// task_delay_ms(500);

#if 1
	uint8_t id = GT_Font_Init();
	while (id == 0)
	{
		ESP_LOGE(LOG_TAG, "font fail");
		task_delay_ms(500);
		id = GT_Font_Init();
	}
#endif
	ESP_LOGI(LOG_TAG, "font OK");
}
void font_spi_write(unsigned char value)
{
	int i = 0, data = value;

	gpio_set_level(FONT_CLK_PIN, LOW_LEVEL);

	for (i = 0; i < 8; i++)
	{
		if (data & 0x0080)
		{
			FONT_SDA_1;
		}

		else
		{
			FONT_SDA_0;
		}
		// ets_delay_us(1);
		gpio_set_level(FONT_CLK_PIN, HIGH_LEVEL);
		// ets_delay_us(1);
		gpio_set_level(FONT_CLK_PIN, LOW_LEVEL);
		data = ((data << 1) & 0xff);
	}
}

void Send_Byte(unsigned char out)
{
	unsigned char i = 0;

	for (i = 0; i < 8; i++)
	{
		FONT_CLK_0;
		if (((out << i) & 0x80) == 0)
			FONT_SDA_0;
		else
			FONT_SDA_1;
		FONT_CLK_1;
	}
}

/*******************************************************************************/
// Get data sub-pro (STM8,STM32等双向口)    SPI接收点阵数据的算法               /
/*******************************************************************************/
unsigned char Get_Byte(void)
{
	unsigned char i;
	unsigned char read_dat = 0, MISO = 0;

	FONT_CLK_1;
	for (i = 0; i < 8; i++)
	{
		FONT_CLK_0;
		MISO = FONT_RD_SDA;
		read_dat = read_dat << 1;
		if (MISO)
			read_dat |= 0x01;
		else
			read_dat &= 0xfe;
		FONT_CLK_1;
	}
	return (read_dat);
}

unsigned char gt_read_data(unsigned char *sendbuf, unsigned char sendlen, unsigned char *receivebuf, unsigned int receivelen)
{

	unsigned int i;
	FONT_CS_LOW;
	for (i = 0; i < sendlen; i++)
	{
		Send_Byte(sendbuf[i]);
	}
	for (i = 0; i < receivelen; i++)
	{
		receivebuf[i] = Get_Byte();
	}

	FONT_CS_HIGHT;
	return 1;
}

/*******************************************************************************/
//                    Send address sub-pro (STM8,STM32，51)                                     /
/*******************************************************************************/
void SPI_Address(unsigned char AddH, unsigned char AddM, unsigned char AddL)
{
	Send_Byte(AddH);
	Send_Byte(AddM);
	Send_Byte(AddL);
}
/*******************************************************************************/
//                    Get N bytes sub-pro  (STM8,STM32，51)                                    //
/*******************************************************************************/
// 客户自己实现，从address地址读取len个字节的数据并存入到DZ_Data数组当中
unsigned char r_dat_bat(unsigned long address, unsigned long DataLen, unsigned char *pBuff)
{
	unsigned long i;
	unsigned char addrHigh;
	unsigned char addrMid;
	unsigned char addrLow;
	addrHigh = address >> 16;
	addrMid = address >> 8;
	addrLow = (unsigned char)address;

	FONT_CS_LOW;	 // 片选选中字库芯片
	Send_Byte(0x03); // 普通读取首先送0X03,然后发送地址高八位addrHigh，中八位addrMid，低八位addrLow。
	SPI_Address(addrHigh, addrMid, addrLow);
	for (i = 0; i < DataLen; i++)
		*(pBuff + i) = Get_Byte();
	FONT_CS_HIGHT;
	return 0;
}

// 客户自己实现，从address地址读取一个字节的数据并返回该数据
unsigned char r_dat(unsigned long address)
{
	unsigned char buff;
	unsigned char addrHigh;
	unsigned char addrMid;
	unsigned char addrLow;
	addrHigh = address >> 16;
	addrMid = address >> 8;
	addrLow = (unsigned char)address;

	FONT_CS_LOW;
	Send_Byte(0x03);
	SPI_Address(addrHigh, addrMid, addrLow);
	buff = Get_Byte();
	FONT_CS_HIGHT;
	return buff;
}

/******************************************************
客户自己实现, 库文件函数内部需要调用该函数匹配芯片ID号
根据说明文件或头文件是否需要, 没有就不需要实现
******************************************************/
unsigned char CheckID(unsigned char CMD, unsigned long address,
					  unsigned long byte_long, unsigned char *p_arr)
{
	unsigned long j;
	FONT_CS_LOW;
	Send_Byte(CMD);
	Send_Byte((unsigned char)((address) >> 16));
	Send_Byte((unsigned char)((address) >> 8));
	Send_Byte((unsigned char)address);
	for (j = 0; j < byte_long; j++)
	{
		p_arr[j] = Get_Byte();
	}
	FONT_CS_HIGHT;
	return 1;
}

void font_into_sleep()
{

	// unsigned long j;
	FONT_CS_LOW;
	Send_Byte(0xB9);
	FONT_CS_HIGHT;
	// return 1;
}

void font_exit_sleep()
{

	// unsigned long j;
	FONT_CS_LOW;
	Send_Byte(0xAB);
	FONT_CS_HIGHT;
}

void font_soft_rst()
{
	FONT_CS_LOW;
	Send_Byte(0x66);
	FONT_CS_HIGHT;
	task_delay_ms(10);
	FONT_CS_LOW;
	Send_Byte(0x99);
	FONT_CS_HIGHT;
	task_delay_ms(10);
}
// unsigned char test_ASCII_GetData(unsigned char asc,unsigned long ascii_kind,unsigned char *DZ_Data)
// {
//     return ASCII_GetData(  asc,  ascii_kind,  DZ_Data);
// }
// void test_spi()
// {
//     FONT_CS_LOW;
// 	Send_Byte(0x78);
//     FONT_CS_HIGHT;

//     FONT_CS_LOW;
// 	Send_Byte(0x56);
//     FONT_CS_HIGHT;

//     FONT_CS_LOW;
// 	Send_Byte(0x9f);

//     for(int i=0;i<3;i++)
// 	{
// 	   uint8_t id = Get_Byte();
// 	}
//     FONT_CS_HIGHT;

// }