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- #include <stdio.h>
- #include "EPD.h"
- #include <string.h>
- #include "esp_log.h"
- #include "freertos/FreeRTOS.h"
- #include "freertos/task.h"
- #include "freertos/queue.h"
- #include "GUI_Paint.h"
- #include "freertos/timers.h"
- // #include "../components/../main/user_sleep.h"
- #include "esp_timer.h"
- bool is_epd_ok = true;
- bool is_epd_ok_cplt = true;
- #include "../../main/user_sleep.h"
- #include "esp_sleep.h"
- static const char *LOG_TAG = "EPD";
- #if HARDWARE_SPI
- spi_device_handle_t epd_spi;
- // uint8_t cmd[1]={0};
- // epd_write_cmd(screen,0x00,false);
- // cmd[0] = 0x17;
- // epd_write_data(screen,cmd,1);
- // Place data into DRAM. Constant data gets placed into DROM by default, which is not accessible by DMA.
- DRAM_ATTR static const epd_init_cmd_t init_cmds[] = {
- {0x00, {0x1f, 0x0E}, 2},
- {0x50, {0x18, 0x07}, 2},
- {0xe0, {0x02}, 1},
- {0xe5, {0x5c}, 1},
- {0x11, {0}, 0x80},
- #if 0
- {0x00,{0x1B},1},
- #else
- //{0x00,{0x8F},1},
- #endif
- {0, {0}, 0xff},
- };
- // This function is called (in irq context!) just before a transmission starts. It will
- // set the D/C line to the value indicated in the user field.
- static void spi_pre_transfer_callback(spi_transaction_t *t)
- {
- int dc = (int)t->user;
- if (dc == 0)
- {
- gpio_set_level(PIN_L_DC, 0);
- gpio_set_level(PIN_R_DC, 0);
- }
- else if (dc == 1)
- {
- gpio_set_level(PIN_L_DC, 1);
- }
- else if (dc == 2)
- {
- gpio_set_level(PIN_R_DC, 1);
- }
- }
- #if 0
- void epd_spi_write(struct EPD_INFO_SET* epd_pin_set,unsigned char value)
- {
- int i = 0,data = value;
- epd_set_level(epd_pin_set->sclk_pin, LOW_LEVEL);
- for(i=0;i<8;i++)
- {
- if(data&0x0080)
- {
- epd_set_level(epd_pin_set->sda_pin,HIGH_LEVEL);
- }
- else
- {
- epd_set_level(epd_pin_set->sda_pin,LOW_LEVEL);
- }
- // ets_delay_us(1);
- epd_set_level(epd_pin_set->sclk_pin, HIGH_LEVEL);
- // ets_delay_us(1);
- epd_set_level(epd_pin_set->sclk_pin, LOW_LEVEL);
-
- data = ((data)<<1 & 0xff);
- }
- }
- #endif
- esp_err_t user_spi_device_queue_trans(spi_device_handle_t handle, spi_transaction_t *trans_desc, TickType_t ticks_to_wait)
- {
- is_epd_ok = false;
- return spi_device_queue_trans(handle, trans_desc, ticks_to_wait);
- }
- /*********************************************************************************
- * function : SPI_Write
- * Description : spi写入数据
- * Input :
- * Output :
- * Author : 祁鑫 Data : 2023 8.11
- **********************************************************************************/
- IRAM_ATTR void SPI_Write(unsigned char value)
- {
- int i = 0, data = value;
- int j = 100;
- gpio_set_level(PIN_SPI_CLK, 0);
- for (i = 0; i < 8; i++)
- {
- if (data & 0x0080)
- {
- gpio_set_level(PIN_SPI_MOSI, 1);
- // EPD_SDA_1;
- }
- else
- {
- gpio_set_level(PIN_SPI_MOSI, 0);
- // EPD_SDA_0;
- }
- // vTaskDelay(1/ portTICK_PERIOD_MS);
- gpio_set_level(PIN_SPI_CLK, 1);
- // vTaskDelay(1/ portTICK_PERIOD_MS);
- gpio_set_level(PIN_SPI_CLK, 0);
- data = ((data << 1) & 0xff);
- }
- }
- // Initialize the display
- void epd_init(void)
- {
- #if !SOFTWARE_SPI_ENABLE // 硬件spi
- esp_err_t ret;
- spi_bus_config_t buscfg = {
- .miso_io_num = -1,
- .mosi_io_num = PIN_SPI_MOSI,
- .sclk_io_num = PIN_SPI_CLK,
- .quadwp_io_num = -1,
- .quadhd_io_num = -1,
- .max_transfer_sz = 4096 // dma
- };
- spi_device_interface_config_t devcfg = {
- .clock_speed_hz = 20 * 1000 * 1000, // Clock out at 10 MHz
- .mode = 0, // SPI mode 0
- .spics_io_num = -1, // CS pin
- .queue_size = 7, // We want to be able to queue 7 transactions at a time
- .pre_cb = spi_pre_transfer_callback, // Specify pre-transfer callback to handle D/C line
- };
- // Initialize the SPI bus
- ret = spi_bus_initialize(EPD_HOST, &buscfg, SPI_DMA_CH_AUTO);
- ESP_ERROR_CHECK(ret);
- // Attach the LCD to the SPI bus
- ret = spi_bus_add_device(EPD_HOST, &devcfg, &epd_spi);
- ESP_ERROR_CHECK(ret);
- #else // 软件模拟spi
- gpio_reset_pin(PIN_SPI_MOSI);
- gpio_reset_pin(PIN_SPI_CLK);
- gpio_reset_pin(PIN_L_CS);
- gpio_reset_pin(PIN_L_DC);
- gpio_reset_pin(PIN_L_RST);
- gpio_reset_pin(PIN_L_BUSY);
- gpio_reset_pin(PIN_R_CS);
- gpio_reset_pin(PIN_R_DC);
- gpio_reset_pin(PIN_R_RST);
- gpio_reset_pin(PIN_R_BUSY);
- #endif
- // gpio_reset_pin(PIN_L_CS);
- // Initialize non-SPI GPIOs
- gpio_config_t io_conf = {};
- io_conf.pin_bit_mask = PIN_EPD_OUTPUT;
- io_conf.mode = GPIO_MODE_OUTPUT;
- io_conf.pull_up_en = 0;
- gpio_config(&io_conf);
- io_conf.pin_bit_mask = PIN_EPD_INPUT;
- io_conf.mode = GPIO_MODE_INPUT;
- io_conf.pull_up_en = 0;
- gpio_config(&io_conf);
- // Reset the display
- int reson = is_wake_up_reson(); // 返回唤醒的原因
- if (
- 1 //(reson != ESP_SLEEP_WAKEUP_ULP) && (reson != ESP_SLEEP_WAKEUP_TIMER) && (reson != ESP_SLEEP_WAKEUP_EXT0)
- )
- {
- gpio_set_level(PIN_L_RST, 0);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- gpio_set_level(PIN_L_RST, 1);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- gpio_set_level(PIN_R_RST, 0);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- gpio_set_level(PIN_R_RST, 1);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- #if 1
- int cmd = 0;
- // Send all the commands
- while (init_cmds[cmd].databytes != 0xff)
- {
- #if 1
- epd_write_cmd(SCREEN_LEFT, init_cmds[cmd].cmd, false);
- epd_write_data(SCREEN_LEFT, init_cmds[cmd].data, init_cmds[cmd].databytes & 0x1F);
- epd_write_cmd(SCREEN_RIGHT, init_cmds[cmd].cmd, false);
- epd_write_data(SCREEN_RIGHT, init_cmds[cmd].data, init_cmds[cmd].databytes & 0x1F);
- #endif
- if (init_cmds[cmd].databytes & 0x80)
- {
- vTaskDelay(100 / portTICK_PERIOD_MS);
- }
- cmd++;
- }
- #endif
- }
- #if QUICK_DISPLAY
- uint8_t *old_buffer = heap_caps_malloc(480 * 81, MALLOC_CAP_8BIT);
- memset(old_buffer, 0X00, 480 * 81);
- epd_cache_quick_full_screen_refresh(SCREEN_LEFT, NULL, old_buffer);
- epd_write_cmd(SCREEN_LEFT, 0x04, false); // POWER ON
- epd_check_status(SCREEN_LEFT); // waiting for the electronic paper IC to release the idle signal
- // Refresh
- epd_refresh(SCREEN_LEFT);
- epd_write_cmd(SCREEN_LEFT, 0x02, false); // Power OFF
- epd_check_status(SCREEN_LEFT);
- epd_sleep(SCREEN_LEFT);
- free(old_buffer);
- #else
- #endif
- }
- void epd_init_cmd(screen_t screen)
- {
- if (screen == SCREEN_LEFT)
- {
- gpio_set_level(PIN_L_RST, 0);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- gpio_set_level(PIN_L_RST, 1);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- int cmd = 0;
- // Send all the commands
- while (init_cmds[cmd].databytes != 0xff)
- {
- #if 1
- epd_write_cmd(SCREEN_LEFT, init_cmds[cmd].cmd, false);
- epd_write_data(SCREEN_LEFT, init_cmds[cmd].data, init_cmds[cmd].databytes & 0x1F);
- #endif
- if (init_cmds[cmd].databytes & 0x80)
- {
- vTaskDelay(10 / portTICK_PERIOD_MS);
- }
- cmd++;
- }
- }
- if (screen == SCREEN_RIGHT)
- {
- gpio_set_level(PIN_R_RST, 0);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- gpio_set_level(PIN_R_RST, 1);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- int cmd = 0;
- // Send all the commands
- while (init_cmds[cmd].databytes != 0xff)
- {
- #if 1
- epd_write_cmd(SCREEN_RIGHT, init_cmds[cmd].cmd, false);
- epd_write_data(SCREEN_RIGHT, init_cmds[cmd].data, init_cmds[cmd].databytes & 0x1F);
- #endif
- if (init_cmds[cmd].databytes & 0x80)
- {
- vTaskDelay(100 / portTICK_PERIOD_MS);
- }
- cmd++;
- }
- }
- }
- // esp_err_t user_spi_get_result(spi_device_handle_t spi)
- // {
- // spi_transaction_t *rtrans = NULL;
- // return spi_device_get_trans_result(spi, &rtrans, 10000);
- // }
- static void spi_get_result(spi_device_handle_t spi)
- {
- spi_transaction_t *rtrans = NULL;
- esp_err_t ret;
- ret = spi_device_get_trans_result(spi, &rtrans, portMAX_DELAY);
- if (ret == ESP_OK)
- {
- is_epd_ok = true;
- // printf("->%s\n", esp_err_to_name(ret));
- }
- else
- {
- printf("err:spi_get_result------->%s\n", esp_err_to_name(ret));
- is_epd_ok = false;
- }
- // assert(ret==ESP_OK);
- }
- void epd_cmd(spi_device_handle_t spi, const uint8_t cmd, bool keep_cs_active)
- {
- #if !SOFTWARE_SPI_ENABLE
- esp_err_t ret;
- spi_transaction_t t;
- memset(&t, 0, sizeof(t)); // Zero out the transaction
- t.length = 8; // Command is 8 bits
- t.tx_buffer = &cmd; // The data is the cmd itself
- t.user = (void *)0; // D/C needs to be set to 0
- if (keep_cs_active)
- {
- t.flags = SPI_TRANS_CS_KEEP_ACTIVE; // Keep CS active after data transfer
- }
- ret = user_spi_device_queue_trans(spi, &t, portMAX_DELAY);
- // assert(ret==ESP_OK); //Should have had no issues.
- spi_get_result(spi);
- #else
- SPI_Write(cmd);
- #endif
- }
- static void epd_data(screen_t screen, spi_device_handle_t spi, const uint8_t *data, int len)
- {
- #if !SOFTWARE_SPI_ENABLE
- esp_err_t ret;
- spi_transaction_t t;
- if (len == 0)
- return; // no need to send anything
- if (len > SPI_MAX_LEN)
- {
- int i;
- for (i = 0; i < len; i = i + SPI_MAX_LEN)
- {
- memset(&t, 0, sizeof(t)); // Zero out the transaction
- t.length = SPI_MAX_LEN * 8; // Len is in bytes, transaction length is in bits.
- t.tx_buffer = data + i; // Data
- t.user = (void *)screen; // D/C needs to be set to 1
- ret = user_spi_device_queue_trans(spi, &t, portMAX_DELAY); // Transmit!
- // assert(ret==ESP_OK); //Should have had no issues.
- spi_get_result(spi);
- // printf("-next-%d\n",len);
- }
- i -= SPI_MAX_LEN;
- memset(&t, 0, sizeof(t)); // Zero out the transaction
- t.length = (len - i) * 8; // Len is in bytes, transaction length is in bits.
- t.tx_buffer = data + i; // Data
- t.user = (void *)screen; // D/C needs to be set to 1
- ret = user_spi_device_queue_trans(spi, &t, portMAX_DELAY); // Transmit!
- assert(ret == ESP_OK); // Should have had no issues.
- spi_get_result(spi);
- // printf("-next2--%d\n", len);
- return;
- }
- memset(&t, 0, sizeof(t)); // Zero out the transaction
- t.length = len * 8; // Len is in bytes, transaction length is in bits.
- t.tx_buffer = data; // Data
- t.user = (void *)screen; // D/C needs to be set to 1
- ret = user_spi_device_queue_trans(spi, &t, portMAX_DELAY); // Transmit!
- // assert(ret==ESP_OK); //Should have had no issues.
- if (ret != ESP_OK)
- {
- printf("spi_device_queue_trans err:ret =%d", ret);
- }
- spi_get_result(spi);
- #else
- {
- for (int i = 0; i < len; i++)
- {
- SPI_Write(data[i]);
- }
- }
- #endif
- }
- void epd_write_cmd(screen_t screen, unsigned char command, bool keep_cs_active)
- {
- if (screen == SCREEN_LEFT)
- {
- gpio_set_level(PIN_R_CS, 1);
- gpio_set_level(PIN_L_CS, 0);
- gpio_set_level(PIN_L_DC, 0);
- epd_cmd(epd_spi, command, keep_cs_active);
- gpio_set_level(PIN_R_CS, 1);
- gpio_set_level(PIN_L_CS, 1);
- }
- else if (screen == SCREEN_RIGHT)
- {
- gpio_set_level(PIN_L_CS, 1);
- gpio_set_level(PIN_R_CS, 0);
- gpio_set_level(PIN_R_DC, 0);
- epd_cmd(epd_spi, command, keep_cs_active);
- gpio_set_level(PIN_L_CS, 1);
- gpio_set_level(PIN_R_CS, 1);
- }
- else
- {
- ESP_LOGE(LOG_TAG, "cmd err:screen");
- }
- }
- void epd_write_data(screen_t screen, const uint8_t *data, int len)
- {
- if (screen == SCREEN_LEFT)
- {
- gpio_set_level(PIN_R_CS, 1);
- gpio_set_level(PIN_L_CS, 0);
- gpio_set_level(PIN_L_DC, 1);
- epd_data(screen, epd_spi, data, len);
- gpio_set_level(PIN_L_CS, 1);
- }
- else if (screen == SCREEN_RIGHT)
- {
- gpio_set_level(PIN_L_CS, 1);
- gpio_set_level(PIN_R_CS, 0);
- gpio_set_level(PIN_R_DC, 1);
- epd_data(screen, epd_spi, data, len);
- gpio_set_level(PIN_R_CS, 1);
- }
- else
- {
- ESP_LOGE(LOG_TAG, "data err:screen");
- }
- }
- bool epd_check_status(screen_t screen)
- {
- #if 0 // 死等
- if(screen == SCREEN_LEFT)
- {
- while(!gpio_get_level(PIN_L_BUSY))
- {
- };
- }
- else if(screen == SCREEN_RIGHT)
- {
- while(!gpio_get_level(PIN_R_BUSY));
- }
- else
- {
- ESP_LOGE(LOG_TAG,"check err:screen");
- }
- #else
- int count = 0;
- unsigned char busy;
- int64_t t_after_us = 0;
- int64_t t_before_us = esp_timer_get_time();
- // while(1)
- {
- //=1 BUSY
- if (screen == SCREEN_LEFT)
- {
- while (1)
- {
- busy = gpio_get_level(PIN_L_BUSY);
- busy = (busy & 0x01);
- if (busy == 1)
- {
- // printf("left lcd idle\r\n");
- break;
- }
- #if 0
- vTaskDelay(10 / portTICK_PERIOD_MS);
- count ++;
- if(count >= 200){
- printf("l---------------time out ---\n");
- break;
- }
- #else
- t_after_us = esp_timer_get_time();
- if ((t_after_us - t_before_us) > 1000 * 1000)
- {
- // printf("t_before_us =%lld ,t_after_us = %lld\n", t_before_us, t_after_us);
- return 0;
- break;
- }
- #endif
- }
- }
- else if (screen == SCREEN_RIGHT)
- {
- // while(!gpio_get_level(PIN_R_BUSY));
- while (1)
- {
- busy = gpio_get_level(PIN_R_BUSY);
- busy = (busy & 0x01);
- if (busy == 1)
- {
- // printf("right lcd idle\r\n");
- break;
- }
- #if 0
- vTaskDelay(10 / portTICK_PERIOD_MS);
- count ++;
- if(count >= 200){
- printf("r---------------time out ---\n");
- break;
- }
- #else
- t_after_us = esp_timer_get_time();
- if ((t_after_us - t_before_us) > 1000 * 1000)
- {
- // printf(" r t_before_us =%lld ,t_after_us = %lld\n", t_before_us, t_after_us);
- return 0;
- break;
- }
- #endif
- }
- }
- else
- {
- ESP_LOGE(LOG_TAG, "check err:screen");
- }
- }
- #endif
- return 1;
- }
- void deepsleep_epd_check_status(screen_t screen)
- {
- if (screen == SCREEN_LEFT)
- {
- while (!gpio_get_level(PIN_L_BUSY))
- ;
- }
- else if (screen == SCREEN_RIGHT)
- {
- while (!gpio_get_level(PIN_R_BUSY))
- ;
- }
- else
- {
- ESP_LOGE(LOG_TAG, "check err:screen");
- }
- }
- void epd_check_power_off(screen_t screen)
- {
- if (screen == SCREEN_LEFT)
- {
- while (gpio_get_level(PIN_L_BUSY))
- {
- vTaskDelay(20 / portTICK_PERIOD_MS);
- printf("left power off\r\n");
- }
- }
- else if (screen == SCREEN_RIGHT)
- {
- while (gpio_get_level(PIN_R_BUSY))
- {
- vTaskDelay(20 / portTICK_PERIOD_MS);
- printf("right power off\r\n");
- }
- }
- else
- {
- ESP_LOGE(LOG_TAG, "check err:screen");
- }
- }
- void epd_check_power_on(screen_t screen)
- {
- if (screen == SCREEN_LEFT)
- {
- while (gpio_get_level(PIN_L_BUSY))
- {
- printf("left power on\r\n");
- }
- }
- else if (screen == SCREEN_RIGHT)
- {
- while (gpio_get_level(PIN_R_BUSY))
- {
- printf("right power on\r\n");
- }
- }
- else
- {
- ESP_LOGE(LOG_TAG, "check err:screen");
- }
- }
- void epd_refresh(screen_t screen)
- {
- epd_write_cmd(screen, 0x12, false); // DISPLAY REFRESH
- // ets_delay_us(200); //!!!The delay here is necessary, 200uS at least!!!
- // vTaskDelay(1 / portTICK_PERIOD_MS);
- epd_check_status(screen); // waiting for the electronic paper//时间较长
- }
- void epd_sleep(screen_t screen)
- {
- // printf("SLEEP SCREEN =%d\r\n",screen);
- #if 0
- epd_write_cmd(screen,0x04,false); // Power ON
-
- epd_check_power_on(screen);
- #endif
- // epd_check_status(screen);
- // epd_refresh(screen);
- uint8_t tmp = 0xa5;
- epd_write_cmd(screen, 0x07, false);
- epd_write_data(screen, &tmp, 1);
- // vTaskDelay(20 / portTICK_PERIOD_MS);
- #if 0
- epd_write_cmd(screen,0x02,false); // Power OFF
- vTaskDelay(20 / portTICK_PERIOD_MS);
- epd_check_power_off(screen);
- #endif
- #if 1
- // epd_write_cmd(screen,0x02,false); // Power OFF
- // epd_check_status(screen);
- #endif
- }
- IRAM_ATTR void epd_display(screen_t screen, const unsigned char *picData)
- {
- epd_write_cmd(screen, 0x13, false);
- epd_check_status(screen);
- epd_write_data(screen, picData, 38880);
- epd_check_status(screen);
- epd_write_cmd(screen, 0x04, false); // POWER ON
- epd_check_status(screen); // waiting for the electronic paper IC to release the idle signal
- // Refresh
- epd_refresh(screen);
- epd_write_cmd(screen, 0x02, false); // Power OFF
- epd_check_status(screen);
- epd_sleep(screen);
- }
- #if 1
- void epd_cache(screen_t screen, const unsigned char *picData)
- {
- epd_write_cmd(screen, 0x13, false);
- epd_write_data(screen, picData, 38880);
- }
- void epd_cache_quick_full_screen_refresh(screen_t screen, const unsigned char *old, const unsigned char *new)
- {
- if ((screen == SCREEN_LEFT) && (old != NULL))
- {
- printf("left quick\r\n");
- // Reset the display
- gpio_set_level(PIN_L_RST, 0);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- gpio_set_level(PIN_L_RST, 1);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- uint8_t cmd[1] = {0};
- epd_write_cmd(screen, 0x00, false);
- cmd[0] = 0x1F;
- epd_write_data(screen, cmd, 1);
- #if 0
- uint8_t cmd[1]={0};
- epd_write_cmd(screen,0x61,false);
- cmd[0] = 0xF0;
- epd_write_data(screen,cmd,1);
- cmd[0] = 0x01;
- epd_write_data(screen,cmd,1);
- cmd[0] = 0xA0;
- epd_write_data(screen,cmd,1);
- #endif
- #if 0
- int cmd=0;
- //Send all the commands
- while (init_cmds[cmd].databytes!=0xff) {
- epd_write_cmd(SCREEN_LEFT, init_cmds[cmd].cmd, false);
- epd_write_data(SCREEN_LEFT, init_cmds[cmd].data, init_cmds[cmd].databytes&0x1F);
- epd_write_cmd(SCREEN_RIGHT, init_cmds[cmd].cmd, false);
- epd_write_data(SCREEN_RIGHT, init_cmds[cmd].data, init_cmds[cmd].databytes&0x1F);
- if (init_cmds[cmd].databytes&0x80) {
- vTaskDelay(100 / portTICK_PERIOD_MS);
- }
- cmd++;
- }
- #endif
- }
- if ((screen == SCREEN_RIGHT) && (old != NULL))
- {
- printf("right quick\r\n");
- gpio_set_level(PIN_R_RST, 0);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- gpio_set_level(PIN_R_RST, 1);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- // uint8_t cmd[1]={0};
- // epd_write_cmd(screen,0x00,false);
- // cmd[0] = 0x1F;
- // epd_write_data(screen,cmd,1);
- #if 0
- uint8_t cmd[1]={0};
- epd_write_cmd(screen,0x61,false);
- cmd[0] = 0xF0;
- epd_write_data(screen,cmd,1);
- cmd[0] = 0x01;
- epd_write_data(screen,cmd,1);
- cmd[0] = 0xA0;
- epd_write_data(screen,cmd,1);
- #endif
- #if 0
- int cmd=0;
- //Send all the commands
- while (init_cmds[cmd].databytes!=0xff) {
- epd_write_cmd(SCREEN_LEFT, init_cmds[cmd].cmd, false);
- epd_write_data(SCREEN_LEFT, init_cmds[cmd].data, init_cmds[cmd].databytes&0x1F);
- epd_write_cmd(SCREEN_RIGHT, init_cmds[cmd].cmd, false);
- epd_write_data(SCREEN_RIGHT, init_cmds[cmd].data, init_cmds[cmd].databytes&0x1F);
- if (init_cmds[cmd].databytes&0x80) {
- vTaskDelay(100 / portTICK_PERIOD_MS);
- }
- cmd++;
- }
- #endif
- }
- if (old != NULL)
- {
- epd_write_cmd(screen, 0x10, false);
- epd_check_status(screen);
- epd_write_data(screen, old, 38880);
- }
- #if 0
- uint8_t cmd[1]={0};
- epd_write_cmd(screen,0x61,false);
- cmd[0] = 0xF0;
- epd_write_data(screen,cmd,1);
- cmd[0] = 0x01;
- epd_write_data(screen,cmd,1);
- cmd[0] = 0xA0;
- epd_write_data(screen,cmd,1);
- #endif
- epd_write_cmd(screen, 0x13, false);
- epd_write_data(screen, new, 38880);
- }
- #endif
- void epd_display_partal(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend,
- screen_t screen, const unsigned char *picData)
- {
- unsigned int row, col;
- uint8_t Xstart_H, Xstart_L, Ystart_H, Ystart_L, Xend_H, Xend_L, Yend_H, Yend_L;
- Xstart_H = ((Xstart) >> 8) & 0xff;
- Xstart_L = (Xstart) & 0xff;
- Ystart_H = ((Ystart) >> 8) & 0xff;
- Ystart_L = (Ystart) & 0xff;
- Xend_H = ((Xend - 1) >> 8) & 0xff;
- Xend_L = (Xend - 1) & 0xff;
- Yend_H = ((Yend - 1) >> 8) & 0xff;
- Yend_L = (Yend - 1) & 0xff;
- epd_write_cmd(screen, 0x91, false); // partial in
- epd_check_status(screen);
- epd_write_cmd(screen, 0x90, false);
- epd_check_status(screen);
- epd_write_data(screen, &Xstart_H, 1);
- epd_write_data(screen, &Xstart_L, 1);
- epd_write_data(screen, &Xend_H, 1);
- epd_write_data(screen, &Xend_L, 1);
- epd_write_data(screen, &Ystart_H, 1);
- epd_write_data(screen, &Ystart_L, 1);
- epd_write_data(screen, &Yend_H, 1);
- epd_write_data(screen, &Yend_L, 1);
- uint8_t tmp = 0x01;
- epd_write_data(screen, &tmp, 1);
- epd_write_cmd(screen, 0x13, false);
- epd_check_status(screen);
- epd_write_data(screen, picData, ((Yend - Ystart) * (Xend - Xstart) / 8));
- epd_write_cmd(screen, 0x92, false);
- epd_write_cmd(screen, 0x04, false); // Power ON
- epd_check_status(screen);
- epd_refresh(screen);
- epd_write_cmd(screen, 0x02, false); // Power OFF
- epd_check_status(screen);
- }
- void epd_partial_cache(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend,
- screen_t screen, const unsigned char *picData)
- {
- unsigned int row, col;
- uint8_t Xstart_H, Xstart_L, Ystart_H, Ystart_L, Xend_H, Xend_L, Yend_H, Yend_L;
- Xstart_H = ((Xstart) >> 8) & 0xff;
- Xstart_L = (Xstart) & 0xff;
- Ystart_H = ((Ystart) >> 8) & 0xff;
- Ystart_L = (Ystart) & 0xff;
- Xend_H = ((Xend - 1) >> 8) & 0xff;
- Xend_L = (Xend - 1) & 0xff;
- Yend_H = ((Yend - 1) >> 8) & 0xff;
- Yend_L = (Yend - 1) & 0xff;
- epd_write_cmd(screen, 0x91, false); // partial in
- epd_check_status(screen);
- epd_write_cmd(screen, 0x90, false);
- epd_check_status(screen);
- epd_write_data(screen, &Xstart_H, 1);
- epd_write_data(screen, &Xstart_L, 1);
- epd_write_data(screen, &Xend_H, 1);
- epd_write_data(screen, &Xend_L, 1);
- epd_write_data(screen, &Ystart_H, 1);
- epd_write_data(screen, &Ystart_L, 1);
- epd_write_data(screen, &Yend_H, 1);
- epd_write_data(screen, &Yend_L, 1);
- uint8_t tmp = 0x01;
- epd_write_data(screen, &tmp, 1);
- epd_write_cmd(screen, 0x13, false);
- epd_check_status(screen);
- epd_write_data(screen, picData, ((Yend - Ystart) * (Xend - Xstart) / 8));
- epd_write_cmd(screen, 0x92, false);
- }
- void epd_cache_quick_partial_screen_refresh(screen_t screen, uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend, const unsigned char *old, const unsigned char *new)
- {
- if ((screen == SCREEN_LEFT) && (old != NULL))
- {
- printf("left partial quick\r\n");
- // Reset the display
- gpio_set_level(PIN_L_RST, 0);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- gpio_set_level(PIN_L_RST, 1);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- uint8_t cmd[1] = {0};
- epd_write_cmd(screen, 0x00, false);
- cmd[0] = 0x1F;
- epd_write_data(screen, cmd, 1);
- }
- if ((screen == SCREEN_RIGHT) && (old != NULL))
- {
- printf("right partial quick\r\n");
- gpio_set_level(PIN_R_RST, 0);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- gpio_set_level(PIN_R_RST, 1);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- }
- #if 0
- if (old !=NULL)
- {
- epd_write_cmd(screen,0x10,false);
- epd_write_data(screen,old,38880);
- }
- epd_write_cmd(screen,0x13,false);
- epd_write_data(screen,new,38880);
- #endif
- unsigned int row, col;
- uint8_t Xstart_H, Xstart_L, Ystart_H, Ystart_L, Xend_H, Xend_L, Yend_H, Yend_L;
- Xstart_H = ((Xstart) >> 8) & 0xff;
- Xstart_L = (Xstart) & 0xff;
- Ystart_H = ((Ystart) >> 8) & 0xff;
- Ystart_L = (Ystart) & 0xff;
- Xend_H = ((Xend - 1) >> 8) & 0xff;
- Xend_L = (Xend - 1) & 0xff;
- Yend_H = ((Yend - 1) >> 8) & 0xff;
- Yend_L = (Yend - 1) & 0xff;
- epd_write_cmd(screen, 0x91, false); // partial in
- epd_check_status(screen);
- epd_write_cmd(screen, 0x90, false);
- epd_check_status(screen);
- epd_write_data(screen, &Xstart_H, 1);
- epd_write_data(screen, &Xstart_L, 1);
- epd_write_data(screen, &Xend_H, 1);
- epd_write_data(screen, &Xend_L, 1);
- epd_write_data(screen, &Ystart_H, 1);
- epd_write_data(screen, &Ystart_L, 1);
- epd_write_data(screen, &Yend_H, 1);
- epd_write_data(screen, &Yend_L, 1);
- uint8_t tmp = 0x01;
- epd_write_data(screen, &tmp, 1);
- // epd_write_cmd(screen,0x13,false);
- // epd_check_status(screen);
- printf("1\r\n");
- if (old != NULL)
- {
- printf("2\r\n");
- epd_write_cmd(screen, 0x10, false);
- epd_check_status(screen);
- epd_write_data(screen, old, ((Yend - Ystart) * (Xend - Xstart) / 8));
- epd_write_cmd(screen, 0x92, false);
- }
- printf("3\r\n");
- epd_write_cmd(screen, 0x13, false);
- epd_check_status(screen);
- epd_write_data(screen, new, ((Yend - Ystart) * (Xend - Xstart) / 8));
- epd_write_cmd(screen, 0x92, false);
- }
- static uint8_t get_data(uint8_t *color, uint8_t pix_size)
- {
- uint8_t data = 0;
- int i = 0, j = 0;
- for (i = 0; i < 8; i++)
- {
- data = data | (color[j] << (7 - i));
- j = j + pix_size;
- }
- return data;
- }
- void epd_partial_cache1(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend,
- screen_t screen, const unsigned char *picData)
- {
- unsigned int row, col;
- uint8_t Xstart_H, Xstart_L, Ystart_H, Ystart_L, Xend_H, Xend_L, Yend_H, Yend_L;
- Xstart_H = ((Xstart) >> 8) & 0xff;
- Xstart_L = (Xstart) & 0xff;
- Ystart_H = ((Ystart) >> 8) & 0xff;
- Ystart_L = (Ystart) & 0xff;
- Xend_H = ((Xend - 1) >> 8) & 0xff;
- Xend_L = (Xend - 1) & 0xff;
- Yend_H = ((Yend - 1) >> 8) & 0xff;
- Yend_L = (Yend - 1) & 0xff;
- epd_write_cmd(screen, 0x91, false); // partial in
- epd_check_status(screen);
- epd_write_cmd(screen, 0x90, false);
- epd_check_status(screen);
- epd_write_data(screen, &Xstart_H, 1);
- epd_write_data(screen, &Xstart_L, 1);
- epd_write_data(screen, &Xend_H, 1);
- epd_write_data(screen, &Xend_L, 1);
- epd_write_data(screen, &Ystart_H, 1);
- epd_write_data(screen, &Ystart_L, 1);
- epd_write_data(screen, &Yend_H, 1);
- epd_write_data(screen, &Yend_L, 1);
- uint8_t tmp = 0x01;
- epd_write_data(screen, &tmp, 1);
- epd_write_cmd(screen, 0x13, false);
- epd_check_status(screen);
- #if 0
- epd_write_data(screen,picData,((Yend - Ystart)*(Xend - Xstart)));
- #else
- uint8_t data;
- // disp_drv.hor_res = 648;
- // disp_drv.ver_res = 480;
- for (int i = 480 - 1; i >= 0; i--)
- {
- for (int j = 0; j < 648;)
- {
- data = get_data(&picData[j + i * 648 * 1], 1);
- // printf("%02x",data);
- epd_write_data(screen, &data, 1);
- j = j + 8 * 1;
- }
- }
- #endif
- epd_write_cmd(screen, 0x92, false);
- }
- void epd_powerOn_refresh(screen_t screen)
- {
- epd_write_cmd(screen, 0x04, false); // Power ON
- epd_check_status(screen);
- epd_refresh(screen);
- epd_write_cmd(screen, 0x02, false); // Power OFF
- epd_check_status(screen);
- }
- // 定义最大重复计数
- #define MAX_REPEAT 255
- // 压缩函数
- unsigned int compressRLE(uint8_t *input, unsigned int size, uint8_t *output)
- {
- unsigned int i = 0;
- unsigned int outputSize = 0;
- while (i < size)
- {
- uint8_t current = input[i];
- unsigned int count = 1;
- i++;
- while (i < size && input[i] == current && count < MAX_REPEAT)
- {
- count++;
- i++;
- }
- // 输出像素值和计数值到output
- output[outputSize++] = current;
- output[outputSize++] = count;
- }
- return outputSize;
- }
- // 解压函数
- unsigned int decompressRLE(uint8_t *input, unsigned int size, uint8_t *output)
- {
- unsigned int i = 0;
- unsigned int outputSize = 0;
- while (i < size)
- {
- uint8_t current = input[i];
- i++;
- unsigned int count = input[i];
- i++;
- // 输出像素值count次到output
- for (unsigned int j = 0; j < count; j++)
- {
- output[outputSize++] = current;
- }
- }
- return outputSize;
- }
- void test()
- {
- // 定义图像数据(十六进制数组)
- uint8_t imageData[] = {0x12, 0x12, 0x12, 0x13, 0x14, 0x14, 0x14, 0x15, 0x15, 0x15};
- int imageSize = sizeof(imageData) / sizeof(imageData[0]);
- printf("原始图像数据:\n");
- for (int i = 0; i < imageSize; i++)
- {
- printf("0x%02X ", imageData[i]);
- }
- printf("\n");
- uint8_t compressedData[2 * imageSize]; // 假设压缩后的数据不会超过原数据的两倍大小
- uint8_t decompressedData[imageSize]; // 假设解压后的数据不会超过原数据大小
- printf("压缩后的数据:\n");
- int compressedSize = compressRLE(imageData, imageSize, compressedData);
- for (int i = 0; i < compressedSize; i++)
- {
- printf("0x%02X ", compressedData[i]);
- }
- printf("\n");
- printf("解压后的数据:\n");
- int decompressedSize = decompressRLE(compressedData, compressedSize, decompressedData);
- for (int i = 0; i < decompressedSize; i++)
- {
- printf("0x%02X ", decompressedData[i]);
- }
- printf("\n");
- printf("压缩后的数据大小:%d 字节\n", compressedSize);
- printf("解压后的数据大小:%d 字节\n", decompressedSize);
- }
- // uint8_t tmp[38880];
- IRAM_ATTR bool epd_cache_quick(screen_t screen, const unsigned char *old, const unsigned char *new)
- {
- bool ret = false;
- if ((screen == SCREEN_LEFT) && (old != NULL))
- {
- // printf("SCREEN_LEFT quick\r\n");
- // Reset the display
- gpio_set_level(PIN_L_RST, 0);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- gpio_set_level(PIN_L_RST, 1);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- ret = epd_check_status(screen);
- if (!ret)
- {
- printf("err:2busy !!!!!\n");
- goto err;
- }
- uint8_t cmd[1] = {0};
- epd_write_cmd(screen, 0x00, false);
- cmd[0] = 0x1F;
- epd_write_data(screen, cmd, 1);
- }
- if ((screen == SCREEN_RIGHT) && (old != NULL))
- {
- // printf("SCREEN_RIGHT quick\r\n");
- gpio_set_level(PIN_R_RST, 0);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- gpio_set_level(PIN_R_RST, 1);
- vTaskDelay(10 / portTICK_PERIOD_MS);
- ret = epd_check_status(screen);
- if (!ret)
- {
- printf("err:3busy !!!!!\n");
- goto err;
- }
- uint8_t cmd2[1] = {0};
- epd_write_cmd(screen, 0x00, false);
- cmd2[0] = 0x1F;
- epd_write_data(screen, cmd2, 1);
- }
- #if 1
- if (old != NULL)
- {
- epd_write_cmd(screen, 0x10, false);
- ret = epd_check_status(screen);
- if (!ret)
- {
- printf("err:busy !!!!!\n");
- goto err;
- }
- epd_write_data(screen, old, 38880);
- ret = epd_check_status(screen);
- if (!ret)
- {
- printf("err:2busy !!!!!\n");
- goto err;
- }
- }
- #else
- epd_write_cmd(screen, 0x10, false);
- epd_check_status(screen);
- memcpy(&tmp, new, 38880);
- for (int i = 0; i < 38880; i++)
- {
- tmp[i] = ~tmp[i];
- }
- epd_write_data(screen, &tmp, 38880);
- #endif
- epd_write_cmd(screen, 0x13, false);
- ret = epd_check_status(screen);
- if (!ret)
- {
- printf("err:2busy !!!!!\n");
- goto err;
- }
- epd_write_data(screen, new, 38880);
- ret = epd_check_status(screen);
- if (!ret)
- {
- printf("err:2busy !!!!!\n");
- goto err;
- }
- #if 0
- if(screen == SCREEN_LEFT)
- {
- left_refresh_complete = true;
- }
- if(screen == SCREEN_RIGHT)
- {
- right_refresh_complete = true;
- }
- #else
- // vTaskDelay(0000 / portTICK_PERIOD_MS);
- // refresh_timer_start(500);
- // xTimerStart(slow_display_timer, 0); //开始定时器
- #endif
- return true;
- err:
- ESP_LOGE(LOG_TAG, "err:epd_check_status");
- return false;
- }
- void epd_powerOn_refresh_sleep(screen_t screen)
- {
- epd_write_cmd(screen, 0x04, false); // Power ON
- epd_check_status(screen);
- epd_refresh(screen);
- epd_sleep(screen);
- }
- void deepsleep_epd_powerOn_refresh_sleep(screen_t screen)
- {
- epd_write_cmd(screen, 0x04, false); // Power ON
- // epd_check_status(screen);
- deepsleep_epd_check_status(screen);
- epd_write_cmd(screen, 0x12, false); // DISPLAY REFRESH
- deepsleep_epd_check_status(screen);
- // epd_refresh(screen);
- // epd_sleep(screen);
- }
- #else /*HAREWARE_SPI*/
- static void task_delay_ms(uint32_t ms_count)
- {
- vTaskDelay(ms_count / portTICK_PERIOD_MS);
- }
- void epd_pin_init(struct EPD_INFO_SET *epd_pin_set)
- {
- esp_log_level_set("gpio", ESP_LOG_NONE); // close gpio logging
- ESP_LOGI(LOG_TAG, "epd_pin_init");
- #define EPD_OUT_PIN_SEL ((1ULL << epd_pin_set->sclk_pin) | \
- (1ULL << epd_pin_set->sda_pin) | \
- (1ULL << epd_pin_set->res_pin) | \
- (1ULL << epd_pin_set->dc_pin) | \
- (1ULL << epd_pin_set->cs_pin))
- #define EPD_IN_PIN_SEL (1ULL << epd_pin_set->busy_pin)
- gpio_config_t epd_pin_cfg = {};
- epd_pin_cfg.intr_type = GPIO_INTR_DISABLE;
- epd_pin_cfg.mode = GPIO_MODE_OUTPUT;
- epd_pin_cfg.pin_bit_mask = EPD_OUT_PIN_SEL;
- epd_pin_cfg.pull_down_en = 0;
- epd_pin_cfg.pull_up_en = 0;
- gpio_config(&epd_pin_cfg);
- epd_pin_cfg.intr_type = GPIO_INTR_DISABLE;
- epd_pin_cfg.mode = GPIO_MODE_INPUT;
- epd_pin_cfg.pin_bit_mask = EPD_IN_PIN_SEL;
- epd_pin_cfg.pull_down_en = 0;
- epd_pin_cfg.pull_up_en = 1;
- gpio_config(&epd_pin_cfg);
- esp_log_level_set("gpio", LOG_LOCAL_LEVEL);
- }
- void epd_spi_write(struct EPD_INFO_SET *epd_pin_set, unsigned char value)
- {
- int i = 0, data = value;
- epd_set_level(epd_pin_set->sclk_pin, LOW_LEVEL);
- for (i = 0; i < 8; i++)
- {
- if (data & 0x0080)
- {
- epd_set_level(epd_pin_set->sda_pin, HIGH_LEVEL);
- }
- else
- {
- epd_set_level(epd_pin_set->sda_pin, LOW_LEVEL);
- }
- // ets_delay_us(1);
- epd_set_level(epd_pin_set->sclk_pin, HIGH_LEVEL);
- // ets_delay_us(1);
- epd_set_level(epd_pin_set->sclk_pin, LOW_LEVEL);
- data = ((data) << 1 & 0xff);
- }
- }
- void epd_write_cmd(struct EPD_INFO_SET *epd_pin_set, unsigned char command)
- {
- epd_set_level(epd_pin_set->cs_pin, LOW_LEVEL);
- epd_set_level(epd_pin_set->dc_pin, LOW_LEVEL);
- epd_spi_write(epd_pin_set, command);
- epd_set_level(epd_pin_set->cs_pin, HIGH_LEVEL);
- }
- void epd_write_data(struct EPD_INFO_SET *epd_pin_set, unsigned char command)
- {
- epd_set_level(epd_pin_set->cs_pin, LOW_LEVEL);
- epd_set_level(epd_pin_set->dc_pin, HIGH_LEVEL);
- epd_spi_write(epd_pin_set, command);
- epd_set_level(epd_pin_set->cs_pin, HIGH_LEVEL);
- // ets_delay_us(2);
- }
- void epd_init(struct EPD_INFO_SET *epd_pin_set)
- {
- epd_set_level(epd_pin_set->res_pin, LOW_LEVEL);
- task_delay_ms(10);
- epd_set_level(epd_pin_set->res_pin, HIGH_LEVEL);
- task_delay_ms(10);
- }
- void epd_check_status(struct EPD_INFO_SET *epd_pin_set)
- {
- while (!epd_get_level(epd_pin_set->busy_pin))
- ;
- }
- void epd_refresh(struct EPD_INFO_SET *epd_pin_set)
- {
- epd_write_cmd(epd_pin_set, 0x12); // DISPLAY REFRESH
- // ets_delay_us(200); //!!!The delay here is necessary, 200uS at least!!!
- task_delay_ms(1);
- epd_check_status(epd_pin_set); // waiting for the electronic paper
- }
- void epd_sleep(struct EPD_INFO_SET *epd_pin_set)
- {
- epd_write_cmd(epd_pin_set, 0x07);
- epd_write_data(epd_pin_set, 0xa5);
- }
- void epd_screen_init(struct EPD_INFO_SET *epd_pin_set)
- {
- epd_pin_init(epd_pin_set);
- epd_init(epd_pin_set);
- epd_write_cmd(epd_pin_set, 0x00);
- epd_write_data(epd_pin_set, 0x1f);
- epd_write_data(epd_pin_set, 0x09);
- epd_write_cmd(epd_pin_set, 0x50);
- epd_write_data(epd_pin_set, 0x18);
- epd_write_data(epd_pin_set, 0x07);
- epd_write_cmd(epd_pin_set, 0xe0);
- epd_write_data(epd_pin_set, 0x02);
- epd_write_cmd(epd_pin_set, 0xe5);
- epd_write_data(epd_pin_set, 0x5c);
- }
- void epd_clear_black(struct EPD_INFO_SET *epd_pin_set)
- {
- unsigned int i;
- epd_write_cmd(epd_pin_set, 0x13);
- for (i = 0; i < 38880; i++)
- {
- epd_write_data(epd_pin_set, 0xff);
- }
- epd_write_cmd(epd_pin_set, 0x04); // POWER ON
- epd_check_status(epd_pin_set); // waiting for the electronic paper IC to release the idle signal
- epd_refresh(epd_pin_set);
- epd_write_cmd(epd_pin_set, 0x02); // Power OFF
- epd_check_status(epd_pin_set);
- }
- void epd_clear_write(struct EPD_INFO_SET *epd_pin_set)
- {
- unsigned int i;
- epd_write_cmd(epd_pin_set, 0x13);
- for (i = 0; i < 38880; i++)
- {
- epd_write_data(epd_pin_set, 0x00);
- }
- epd_write_cmd(epd_pin_set, 0x04); // POWER ON
- epd_check_status(epd_pin_set); // waiting for the electronic paper IC to release the idle signal
- // Refresh
- epd_refresh(epd_pin_set);
- epd_write_cmd(epd_pin_set, 0x02); // Power OFF
- epd_check_status(epd_pin_set);
- }
- // PAINT left_screen_paint;
- // PAINT right_screen_paint;
- void epd_display(struct EPD_INFO_SET *epd_pin_set, const unsigned char *picData)
- {
- unsigned int i;
- epd_write_cmd(epd_pin_set, 0x13);
- for (i = 0; i < 38880; i++)
- {
- epd_write_data(epd_pin_set, picData[i]);
- }
- epd_write_cmd(epd_pin_set, 0x04); // POWER ON
- epd_check_status(epd_pin_set); // waiting for the electronic paper IC to release the idle signal
- // Refresh
- epd_refresh(epd_pin_set);
- epd_write_cmd(epd_pin_set, 0x02); // Power OFF
- epd_check_status(epd_pin_set);
- }
- void epd_cache(struct EPD_INFO_SET *epd_pin_set, const unsigned char *picData)
- {
- unsigned int i;
- epd_write_cmd(epd_pin_set, 0x13);
- for (i = 0; i < 38880; i++)
- {
- epd_write_data(epd_pin_set, picData[i]);
- }
- }
- void epd_display_partal(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend,
- struct EPD_INFO_SET *epd_pin_set, const unsigned char *picData)
- {
- unsigned int row, col;
- uint8_t Xstart_H, Xstart_L, Ystart_H, Ystart_L, Xend_H, Xend_L, Yend_H, Yend_L;
- Xstart_H = ((Xstart) >> 8) & 0xff;
- Xstart_L = (Xstart) & 0xff;
- Ystart_H = ((Ystart) >> 8) & 0xff;
- Ystart_L = (Ystart) & 0xff;
- Xend_H = ((Xend - 1) >> 8) & 0xff;
- Xend_L = (Xend - 1) & 0xff;
- Yend_H = ((Yend - 1) >> 8) & 0xff;
- Yend_L = (Yend - 1) & 0xff;
- epd_write_cmd(epd_pin_set, 0x91); // partial in
- epd_check_status(epd_pin_set);
- epd_write_cmd(epd_pin_set, 0x90);
- epd_check_status(epd_pin_set);
- epd_write_data(epd_pin_set, Xstart_H);
- epd_write_data(epd_pin_set, Xstart_L);
- epd_write_data(epd_pin_set, Xend_H);
- epd_write_data(epd_pin_set, Xend_L);
- epd_write_data(epd_pin_set, Ystart_H);
- epd_write_data(epd_pin_set, Ystart_L);
- epd_write_data(epd_pin_set, Yend_H);
- epd_write_data(epd_pin_set, Yend_L);
- epd_write_data(epd_pin_set, 0x01);
- epd_write_cmd(epd_pin_set, 0x13);
- epd_check_status(epd_pin_set);
- int i = 0;
- for (col = 0; col < (Yend - Ystart); col++)
- {
- for (row = 0; row < ((Xend - Xstart) / 8); row++)
- {
- epd_write_data(epd_pin_set, picData[i++]);
- }
- }
- epd_write_cmd(epd_pin_set, 0x92);
- epd_write_cmd(epd_pin_set, 0x04); // Power ON
- epd_check_status(epd_pin_set);
- epd_refresh(epd_pin_set);
- epd_write_cmd(epd_pin_set, 0x02); // Power OFF
- epd_check_status(epd_pin_set);
- }
- void epd_partial_cache(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend,
- struct EPD_INFO_SET *epd_pin_set, const unsigned char *picData)
- {
- unsigned int row, col;
- uint8_t Xstart_H, Xstart_L, Ystart_H, Ystart_L, Xend_H, Xend_L, Yend_H, Yend_L;
- Xstart_H = ((Xstart) >> 8) & 0xff;
- Xstart_L = (Xstart) & 0xff;
- Ystart_H = ((Ystart) >> 8) & 0xff;
- Ystart_L = (Ystart) & 0xff;
- Xend_H = ((Xend - 1) >> 8) & 0xff;
- Xend_L = (Xend - 1) & 0xff;
- Yend_H = ((Yend - 1) >> 8) & 0xff;
- Yend_L = (Yend - 1) & 0xff;
- epd_write_cmd(epd_pin_set, 0x91); // partial in
- epd_check_status(epd_pin_set);
- epd_write_cmd(epd_pin_set, 0x90);
- epd_check_status(epd_pin_set);
- epd_write_data(epd_pin_set, Xstart_H);
- epd_write_data(epd_pin_set, Xstart_L);
- epd_write_data(epd_pin_set, Xend_H);
- epd_write_data(epd_pin_set, Xend_L);
- epd_write_data(epd_pin_set, Ystart_H);
- epd_write_data(epd_pin_set, Ystart_L);
- epd_write_data(epd_pin_set, Yend_H);
- epd_write_data(epd_pin_set, Yend_L);
- epd_write_data(epd_pin_set, 0x01);
- epd_write_cmd(epd_pin_set, 0x13);
- epd_check_status(epd_pin_set);
- int i = 0;
- for (col = 0; col < (Yend - Ystart); col++)
- {
- for (row = 0; row < ((Xend - Xstart) / 8); row++)
- {
- epd_write_data(epd_pin_set, picData[i++]);
- }
- }
- epd_write_cmd(epd_pin_set, 0x92);
- }
- void epd_powerOn_refresh(struct EPD_INFO_SET *epd_pin_set)
- {
- epd_write_cmd(epd_pin_set, 0x04); // Power ON
- epd_check_status(epd_pin_set);
- epd_refresh(epd_pin_set);
- epd_write_cmd(epd_pin_set, 0x02); // Power OFF
- epd_check_status(epd_pin_set);
- }
- #endif /*HAREWARE_SPI*/
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