Move drivers from the lv_port_esp32 to here
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69 changed files with 14977 additions and 2 deletions
224
lvgl_tft/ili9481.c
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224
lvgl_tft/ili9481.c
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/**
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* @file ili9481.c
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "ili9481.h"
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#include "disp_spi.h"
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#include "driver/gpio.h"
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#include "esp_log.h"
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#include "esp_heap_caps.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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/*********************
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* DEFINES
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*********************/
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#define TAG "ILI9481"
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/**********************
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* TYPEDEFS
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**********************/
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/*The LCD needs a bunch of command/argument values to be initialized. They are stored in this struct. */
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typedef struct {
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uint8_t cmd;
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uint8_t data[16];
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uint8_t databytes; //No of data in data; bit 7 = delay after set; 0xFF = end of cmds.
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} lcd_init_cmd_t;
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static void ili9481_set_orientation(uint8_t orientation);
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static void ili9481_send_cmd(uint8_t cmd);
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static void ili9481_send_data(void * data, uint16_t length);
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static void ili9481_send_color(void * data, uint16_t length);
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/**********************
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* STATIC VARIABLES
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**********************/
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void ili9481_init(void)
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{
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lcd_init_cmd_t ili_init_cmds[]={
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{ILI9481_CMD_SLEEP_OUT, {0x00}, 0x80},
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{ILI9481_CMD_POWER_SETTING, {0x07, 0x42, 0x18}, 3},
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{ILI9481_CMD_VCOM_CONTROL, {0x00, 0x07, 0x10}, 3},
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{ILI9481_CMD_POWER_CONTROL_NORMAL, {0x01, 0x02}, 2},
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{ILI9481_CMD_PANEL_DRIVE, {0x10, 0x3B, 0x00, 0x02, 0x11}, 5},
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{ILI9481_CMD_FRAME_RATE, {0x03}, 1},
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{ILI9481_CMD_FRAME_MEMORY_ACCESS, {0x0, 0x0, 0x0, 0x0}, 4},
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//{ILI9481_CMD_DISP_TIMING_NORMAL, {0x10, 0x10, 0x22}, 3},
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{ILI9481_CMD_GAMMA_SETTING, {0x00, 0x32, 0x36, 0x45, 0x06, 0x16, 0x37, 0x75, 0x77, 0x54, 0x0C, 0x00}, 12},
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{ILI9481_CMD_MEMORY_ACCESS_CONTROL, {0x0A}, 1},
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#if ILI9481_INVERT_COLORS
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{ILI9481_CMD_DISP_INVERSION_ON, {}, 0},
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#endif
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{ILI9481_CMD_COLMOD_PIXEL_FORMAT_SET, {0x66}, 1},
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{ILI9481_CMD_NORMAL_DISP_MODE_ON, {}, 0x80},
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{ILI9481_CMD_DISPLAY_ON, {}, 0x80},
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{0, {0}, 0xff},
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};
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//Initialize non-SPI GPIOs
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gpio_pad_select_gpio(ILI9481_DC);
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gpio_set_direction(ILI9481_DC, GPIO_MODE_OUTPUT);
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gpio_pad_select_gpio(ILI9481_RST);
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gpio_set_direction(ILI9481_RST, GPIO_MODE_OUTPUT);
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#if ILI9481_ENABLE_BACKLIGHT_CONTROL
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gpio_pad_select_gpio(ILI9481_BCKL);
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gpio_set_direction(ILI9481_BCKL, GPIO_MODE_OUTPUT);
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#endif
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//Reset the display
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gpio_set_level(ILI9481_RST, 0);
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vTaskDelay(100 / portTICK_RATE_MS);
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gpio_set_level(ILI9481_RST, 1);
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vTaskDelay(100 / portTICK_RATE_MS);
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ESP_LOGI(TAG, "ILI9481 initialization.");
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// Exit sleep
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ili9481_send_cmd(0x01); /* Software reset */
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vTaskDelay(100 / portTICK_RATE_MS);
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//Send all the commands
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uint16_t cmd = 0;
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while (ili_init_cmds[cmd].databytes!=0xff) {
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ili9481_send_cmd(ili_init_cmds[cmd].cmd);
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ili9481_send_data(ili_init_cmds[cmd].data, ili_init_cmds[cmd].databytes&0x1F);
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if (ili_init_cmds[cmd].databytes & 0x80) {
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vTaskDelay(100 / portTICK_RATE_MS);
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}
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cmd++;
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}
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ili9481_enable_backlight(true);
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ili9481_set_orientation(ILI9481_DISPLAY_ORIENTATION);
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}
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// Flush function based on mvturnho repo
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void ili9481_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * color_map)
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{
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uint32_t size = lv_area_get_width(area) * lv_area_get_height(area);
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lv_color16_t *buffer_16bit = (lv_color16_t *) color_map;
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uint8_t *mybuf;
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do {
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mybuf = (uint8_t *) heap_caps_malloc(3 * size * sizeof(uint8_t), MALLOC_CAP_DMA);
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if (mybuf == NULL) ESP_LOGW(TAG, "Could not allocate enough DMA memory!");
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} while (mybuf == NULL);
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uint32_t LD = 0;
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uint32_t j = 0;
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for (uint32_t i = 0; i < size; i++) {
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LD = buffer_16bit[i].full;
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mybuf[j] = (uint8_t) (((LD & 0xF800) >> 8) | ((LD & 0x8000) >> 13));
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j++;
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mybuf[j] = (uint8_t) ((LD & 0x07E0) >> 3);
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j++;
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mybuf[j] = (uint8_t) (((LD & 0x001F) << 3) | ((LD & 0x0010) >> 2));
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j++;
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}
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/* Column addresses */
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uint8_t xb[] = {
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(uint8_t) (area->x1 >> 8) & 0xFF,
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(uint8_t) (area->x1) & 0xFF,
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(uint8_t) (area->x2 >> 8) & 0xFF,
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(uint8_t) (area->x2) & 0xFF,
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};
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/* Page addresses */
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uint8_t yb[] = {
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(uint8_t) (area->y1 >> 8) & 0xFF,
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(uint8_t) (area->y1) & 0xFF,
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(uint8_t) (area->y2 >> 8) & 0xFF,
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(uint8_t) (area->y2) & 0xFF,
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};
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/*Column addresses*/
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ili9481_send_cmd(ILI9481_CMD_COLUMN_ADDRESS_SET);
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ili9481_send_data(xb, 4);
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/*Page addresses*/
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ili9481_send_cmd(ILI9481_CMD_PAGE_ADDRESS_SET);
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ili9481_send_data(yb, 4);
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/*Memory write*/
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ili9481_send_cmd(ILI9481_CMD_MEMORY_WRITE);
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ili9481_send_color((void *) mybuf, size * 3);
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heap_caps_free(mybuf);
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}
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void ili9481_enable_backlight(bool backlight)
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{
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#if ILI9481_ENABLE_BACKLIGHT_CONTROL
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ESP_LOGI(TAG, "%s backlight.", backlight ? "Enabling" : "Disabling");
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uint32_t tmp = 0;
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#if (ILI9481_BCKL_ACTIVE_LVL==1)
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tmp = backlight ? 1 : 0;
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#else
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tmp = backlight ? 0 : 1;
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#endif
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gpio_set_level(ILI9481_BCKL, tmp);
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#endif
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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static void ili9481_send_cmd(uint8_t cmd)
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{
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disp_wait_for_pending_transactions();
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gpio_set_level(ILI9481_DC, 0); /*Command mode*/
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disp_spi_send_data(&cmd, 1);
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}
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static void ili9481_send_data(void * data, uint16_t length)
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{
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disp_wait_for_pending_transactions();
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gpio_set_level(ILI9481_DC, 1); /*Data mode*/
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disp_spi_send_data(data, length);
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}
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static void ili9481_send_color(void * data, uint16_t length)
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{
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disp_wait_for_pending_transactions();
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gpio_set_level(ILI9481_DC, 1); /*Data mode*/
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disp_spi_send_colors(data, length);
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}
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static void ili9481_set_orientation(uint8_t orientation)
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{
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const char *orientation_str[] = {
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"PORTRAIT", "PORTRAIT_INVERTED", "LANDSCAPE", "LANDSCAPE_INVERTED"
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};
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ESP_LOGI(TAG, "Display orientation: %s", orientation_str[orientation]);
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uint8_t data[] = {0x48, 0x4B, 0x28, 0x2B};
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ili9481_send_cmd(ILI9481_CMD_MEMORY_ACCESS_CONTROL);
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ili9481_send_data((void *) &data[orientation], 1);
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}
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