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remove EPD_4in2_V2 driver

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Shuanglei Tao
2025-02-20 21:11:24 +08:00
parent 8bf77ee71a
commit 551a217210
8 changed files with 7 additions and 241 deletions
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219
EPD/EPD_4in2_V2.c
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@@ -1,219 +0,0 @@
/*****************************************************************************
* | File : EPD_4in2_V2.h
* | Author : Waveshare team
* | Function : 4.2inch e-paper V2
* | Info :
*----------------
* | This version: V1.0
* | Date : 2023-09-12
* -----------------------------------------------------------------------------
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_driver.h"
// Display resolution
#define EPD_4IN2_V2_WIDTH 400
#define EPD_4IN2_V2_HEIGHT 300
/******************************************************************************
function : Software reset
parameter:
******************************************************************************/
static void EPD_4IN2_V2_Reset(void)
{
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(100);
DEV_Digital_Write(EPD_RST_PIN, 0);
DEV_Delay_ms(2);
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(100);
}
/******************************************************************************
function : Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
void EPD_4IN2_V2_ReadBusy(void)
{
while(DEV_Digital_Read(EPD_BUSY_PIN) == 1) { //LOW: idle, HIGH: busy
DEV_Delay_ms(10);
}
}
/******************************************************************************
function : Turn On Display
parameter:
******************************************************************************/
void EPD_4IN2_V2_TurnOnDisplay(void)
{
EPD_WriteCommand(0x22);
EPD_WriteByte(0xF7);
EPD_WriteCommand(0x20);
EPD_4IN2_V2_ReadBusy();
}
/******************************************************************************
function : Setting the display window
parameter:
******************************************************************************/
static void EPD_4IN2_V2_SetWindows(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend)
{
EPD_WriteCommand(0x44); // SET_RAM_X_ADDRESS_START_END_POSITION
EPD_WriteByte((Xstart>>3) & 0xFF);
EPD_WriteByte((Xend>>3) & 0xFF);
EPD_WriteCommand(0x45); // SET_RAM_Y_ADDRESS_START_END_POSITION
EPD_WriteByte(Ystart & 0xFF);
EPD_WriteByte((Ystart >> 8) & 0xFF);
EPD_WriteByte(Yend & 0xFF);
EPD_WriteByte((Yend >> 8) & 0xFF);
}
/******************************************************************************
function : Set Cursor
parameter:
******************************************************************************/
static void EPD_4IN2_V2_SetCursor(UWORD Xstart, UWORD Ystart)
{
EPD_WriteCommand(0x4E); // SET_RAM_X_ADDRESS_COUNTER
EPD_WriteByte(Xstart & 0xFF);
EPD_WriteCommand(0x4F); // SET_RAM_Y_ADDRESS_COUNTER
EPD_WriteByte(Ystart & 0xFF);
EPD_WriteByte((Ystart >> 8) & 0xFF);
}
/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
void EPD_4IN2_V2_Init(void)
{
EPD_4IN2_V2_Reset();
DEV_Delay_ms(10);
EPD_WriteCommand(0x12); // soft reset
DEV_Delay_ms(10);
// EPD_WriteCommand(0x01); //Driver output control
// EPD_WriteByte((EPD_4IN2_V2_HEIGHT-1)%256);
// EPD_WriteByte((EPD_4IN2_V2_HEIGHT-1)/256);
// EPD_WriteByte(0x00);
EPD_WriteCommand(0x21); // Display update control
EPD_WriteByte(0x40);
EPD_WriteByte(0x00);
EPD_WriteCommand(0x3C); //BorderWavefrom
EPD_WriteByte(0x05);
EPD_WriteCommand(0x11); // data entry mode
EPD_WriteByte(0x03); // X-mode
EPD_4IN2_V2_SetWindows(0, 0, EPD_4IN2_V2_WIDTH-1, EPD_4IN2_V2_HEIGHT-1);
EPD_4IN2_V2_SetCursor(0, 0);
}
/******************************************************************************
function : Clear screen
parameter:
******************************************************************************/
void EPD_4IN2_V2_Clear(void)
{
UWORD Width, Height;
Width = (EPD_4IN2_V2_WIDTH % 8 == 0)? (EPD_4IN2_V2_WIDTH / 8 ): (EPD_4IN2_V2_WIDTH / 8 + 1);
Height = EPD_4IN2_V2_HEIGHT;
EPD_WriteCommand(0x24);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_WriteByte(0xFF);
}
}
EPD_WriteCommand(0x26);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_WriteByte(0xFF);
}
}
EPD_4IN2_V2_TurnOnDisplay();
}
static void _setPartialRamArea(UWORD x, UWORD y, UWORD w, UWORD h)
{
EPD_WriteCommand(0x11); // set ram entry mode
EPD_WriteByte(0x03); // x increase, y increase : normal mode
EPD_WriteCommand(0x44);
EPD_WriteByte(x / 8);
EPD_WriteByte((x + w - 1) / 8);
EPD_WriteCommand(0x45);
EPD_WriteByte(y % 256);
EPD_WriteByte(y / 256);
EPD_WriteByte((y + h - 1) % 256);
EPD_WriteByte((y + h - 1) / 256);
EPD_WriteCommand(0x4e);
EPD_WriteByte(x / 8);
EPD_WriteCommand(0x4f);
EPD_WriteByte(y % 256);
EPD_WriteByte(y / 256);
}
void EPD_4IN2_V2_Write_Image(UBYTE *black, UBYTE *color, UWORD x, UWORD y, UWORD w, UWORD h)
{
int32_t wb = (w + 7) / 8; // width bytes, bitmaps are padded
x -= x % 8; // byte boundary
w = wb * 8; // byte boundary
if (x + w > EPD_4IN2_V2_WIDTH || y + h > EPD_4IN2_V2_HEIGHT) return;
_setPartialRamArea(x, y, w, h);
EPD_WriteCommand(0x24);
for (UWORD i = 0; i < h; i++) {
for (UWORD j = 0; j < w / 8; j++) {
EPD_WriteByte(black[j + i * wb]);
}
}
}
/******************************************************************************
function : Enter sleep mode
parameter:
******************************************************************************/
void EPD_4IN2_V2_Sleep(void)
{
EPD_WriteCommand(0x10); // DEEP_SLEEP
EPD_WriteByte(0x01);
DEV_Delay_ms(200);
}
const epd_driver_t epd_driver_4in2v2 = {
.id = EPD_DRIVER_4IN2_V2,
.width = EPD_4IN2_V2_WIDTH,
.height = EPD_4IN2_V2_HEIGHT,
.init = EPD_4IN2_V2_Init,
.clear = EPD_4IN2_V2_Clear,
.send_command = EPD_WriteCommand,
.send_byte = EPD_WriteByte,
.send_data = EPD_WriteData,
.write_image = EPD_4IN2_V2_Write_Image,
.display = EPD_4IN2_V2_TurnOnDisplay,
.sleep = EPD_4IN2_V2_Sleep,
};

2
EPD/EPD_driver.c
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@@ -26,13 +26,11 @@ uint32_t EPD_BS_PIN = 13;
static const nrf_drv_spi_t spi = NRF_DRV_SPI_INSTANCE(0);
extern epd_driver_t epd_driver_4in2;
extern epd_driver_t epd_driver_4in2v2;
extern epd_driver_t epd_driver_4in2bv2;
/** EPD drivers */
static epd_driver_t *epd_drivers[] = {
&epd_driver_4in2,
&epd_driver_4in2v2,
&epd_driver_4in2bv2,
};

3
EPD/EPD_driver.h
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@@ -35,8 +35,7 @@
enum EPD_DRIVER_IDS
{
EPD_DRIVER_4IN2 = 1,
EPD_DRIVER_4IN2_V2,
EPD_DRIVER_4IN2B_V2,
EPD_DRIVER_4IN2B_V2 = 3,
};
/**@brief EPD driver structure.