7b571a7fc7
Allows to not allocate a GPIO for display reset: some may have that pin tied or attached to a Power management IC. Supersedes PR from @usedbytes doing same but only for IL9341, this is for all supported displays.
115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
/**
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* @file il3820.h
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*
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*/
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#ifndef IL3820_H
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#define IL3820_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#ifdef LV_LVGL_H_INCLUDE_SIMPLE
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#include "lvgl.h"
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#else
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#include "lvgl/lvgl.h"
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#endif
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#include "sdkconfig.h"
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/* Values for Waveshare 2.9inch e-Paper Module, this values shouldn't be
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* swapped to change display orientation */
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#define EPD_PANEL_WIDTH LV_HOR_RES_MAX /* 128 */
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#define EPD_PANEL_HEIGHT LV_VER_RES_MAX /* 296 */
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/* 128 = panel width */
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#define IL3820_COLUMNS (EPD_PANEL_WIDTH / 8)
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#define IL3820_DC_PIN CONFIG_LV_DISP_PIN_DC
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#define IL3820_RST_PIN CONFIG_LV_DISP_PIN_RST
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#define IL3820_USE_RST CONFIG_LV_DISP_USE_RST
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#define IL3820_BUSY_PIN CONFIG_LV_DISP_PIN_BUSY
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#define IL3820_BUSY_LEVEL 1
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/* IL3820 commands */
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#define IL3820_CMD_GDO_CTRL 0x01
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#define IL3820_CMD_GDV_CTRL 0x03
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#define IL3820_CMD_SDV_CTRL 0x04
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#define IL3820_CMD_SOFTSTART 0x0c
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#define IL3820_CMD_GSCAN_START 0x0f
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#define IL3820_CMD_SLEEP_MODE 0x10
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#define IL3820_CMD_ENTRY_MODE 0x11
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#define IL3820_CMD_SW_RESET 0x12
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#define IL3820_CMD_TSENS_CTRL 0x1a
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#define IL3820_CMD_MASTER_ACTIVATION 0x20
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#define IL3820_CMD_UPDATE_CTRL1 0x21
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#define IL3820_CMD_UPDATE_CTRL2 0x22
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#define IL3820_CMD_WRITE_RAM 0x24
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#define IL3820_CMD_WRITE_RED_RAM 0x26
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#define IL3820_CMD_VCOM_SENSE 0x28
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#define IL3820_CMD_VCOM_SENSE_DURATON 0x29
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#define IL3820_CMD_PRGM_VCOM_OTP 0x2a
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#define IL3820_CMD_VCOM_VOLTAGE 0x2c
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#define IL3820_CMD_PRGM_WS_OTP 0x30
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#define IL3820_CMD_UPDATE_LUT 0x32
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#define IL3820_CMD_PRGM_OTP_SELECTION 0x36
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#define IL3820_CMD_OTP_SELECTION_CTRL 0x37
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#define IL3820_CMD_DUMMY_LINE 0x3a
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#define IL3820_CMD_GATE_LINE_WIDTH 0x3b
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#define IL3820_CMD_BWF_CTRL 0x3c
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#define IL3820_CMD_RAM_XPOS_CTRL 0x44
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#define IL3820_CMD_RAM_YPOS_CTRL 0x45
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#define IL3820_CMD_RAM_XPOS_CNTR 0x4e
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#define IL3820_CMD_RAM_YPOS_CNTR 0x4f
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#define IL3820_CMD_TERMINATE_FRAME_RW 0xff
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/* Data entry sequence modes */
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#define IL3820_DATA_ENTRY_MASK 0x07
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#define IL3820_DATA_ENTRY_XDYDX 0x00
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#define IL3820_DATA_ENTRY_XIYDX 0x01
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#define IL3820_DATA_ENTRY_XDYIX 0x02
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#define IL3820_DATA_ENTRY_XIYIX 0x03
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#define IL3820_DATA_ENTRY_XDYDY 0x04
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#define IL3820_DATA_ENTRY_XIYDY 0x05
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#define IL3820_DATA_ENTRY_XDYIY 0x06
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#define IL3820_DATA_ENTRY_XIYIY 0x07
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/* Options for display update */
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#define IL3820_CTRL1_INITIAL_UPDATE_LL 0x00
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#define IL3820_CTRL1_INITIAL_UPDATE_LH 0x01
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#define IL3820_CTRL1_INITIAL_UPDATE_HL 0x02
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#define IL3820_CTRL1_INITIAL_UPDATE_HH 0x03
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/* Options for display update sequence */
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#define IL3820_CTRL2_ENABLE_CLK 0x80
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#define IL3820_CTRL2_ENABLE_ANALOG 0x40
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#define IL3820_CTRL2_TO_INITIAL 0x08
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#define IL3820_CTRL2_TO_PATTERN 0x04
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#define IL3820_CTRL2_DISABLE_ANALOG 0x02
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#define IL3820_CTRL2_DISABLE_CLK 0x01
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#define IL3820_SLEEP_MODE_DSM 0x01
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#define IL3820_SLEEP_MODE_PON 0x00
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/* time constants in ms */
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#define IL3820_RESET_DELAY 20
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#define IL3820_BUSY_DELAY 1
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// normal wait time max 200ms
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#define IL3820_WAIT 20
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void il3820_init(void);
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void il3820_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map);
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void il3820_fullflush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map);
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void il3820_rounder(lv_disp_drv_t * disp_drv, lv_area_t *area);
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void il3820_set_px_cb(lv_disp_drv_t * disp_drv, uint8_t * buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y, lv_color_t color, lv_opa_t opa);
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void il3820_sleep_in(void);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* __IL3820_REGS_H__ */
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