#include #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; FONT_CLK_0; for (i = 0; i < 8; i++) { if (data & 0x0080) { FONT_SDA_1; } else { FONT_SDA_0; } // ets_delay_us(1); FONT_CLK_1; // ets_delay_us(1); FONT_CLK_0; 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; // }