bissen21/e-ink_F1_Display
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Initial pico w port

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bissen21 committed 2026-11-01 07:52:19 -06:00
1 parent 50e59ce2a2
commit ead5d48ce0
17 files changed
+184 -7818
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lib/e-Paper/EPD_4in2_V2.c
+20 -22
View File
@@ -29,10 +29,7 @@
#
******************************************************************************/
#include "EPD_4in2_V2.h"
#include "DEV_Config.h"
#include "Debug.h"
#include "config.h"
#include <string.h>
const unsigned char LUT_ALL[233]={
0x01, 0x0A, 0x1B, 0x0F, 0x03, 0x01, 0x01,
@@ -111,26 +108,17 @@ static void EPD_4IN2_V2_SendData(UBYTE Data)
DEV_Digital_Write(EPD_CS_PIN, 1);
}
static void EPD_4IN2_V2_SendDataBuffer(UBYTE *Data, UWORD Length)
{
DEV_Digital_Write(EPD_DC_PIN, 1);
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_SPI_Write_nByte(Data, Length);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
void EPD_4IN2_V2_ReadBusy(void)
{
printf("Waiting for e-Paper BUSY (GPIO%d=%d)...\r\n",
EPD_BUSY_PIN, DEV_Digital_Read(EPD_BUSY_PIN));
Debug("e-Paper busy\r\n");
while(DEV_Digital_Read(EPD_BUSY_PIN) == 1) { //LOW: idle, HIGH: busy
DEV_Delay_ms(10);
}
printf("e-Paper BUSY released.\r\n");
Debug("e-Paper busy release\r\n");
}
/******************************************************************************
@@ -342,19 +330,21 @@ parameter:
void EPD_4IN2_V2_Clear(void)
{
UWORD Width, Height;
UBYTE white_row[EPD_4IN2_V2_WIDTH / 8];
Width = (EPD_4IN2_V2_WIDTH % 8 == 0)? (EPD_4IN2_V2_WIDTH / 8 ): (EPD_4IN2_V2_WIDTH / 8 + 1);
Height = EPD_4IN2_V2_HEIGHT;
memset(white_row, 0xFF, sizeof(white_row));
EPD_4IN2_V2_SendCommand(0x24);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(white_row, Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(0xFF);
}
}
EPD_4IN2_V2_SendCommand(0x26);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(white_row, Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(0xFF);
}
}
EPD_4IN2_V2_TurnOnDisplay();
}
@@ -371,12 +361,16 @@ void EPD_4IN2_V2_Display(UBYTE *Image)
EPD_4IN2_V2_SendCommand(0x24);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(&Image[j * Width], Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(Image[i + j * Width]);
}
}
EPD_4IN2_V2_SendCommand(0x26);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(&Image[j * Width], Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(Image[i + j * Width]);
}
}
EPD_4IN2_V2_TurnOnDisplay();
}
@@ -393,12 +387,16 @@ void EPD_4IN2_V2_Display_Fast(UBYTE *Image)
EPD_4IN2_V2_SendCommand(0x24);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(&Image[j * Width], Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(Image[i + j * Width]);
}
}
EPD_4IN2_V2_SendCommand(0x26);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(&Image[j * Width], Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(Image[i + j * Width]);
}
}
EPD_4IN2_V2_TurnOnDisplay_Fast();
}
lib/e-Paper/EPD_4in2_V2.h
+1 -5
View File
@@ -31,11 +31,7 @@
#ifndef _EPD_4IN2_V2_H_
#define _EPD_4IN2_V2_H_
#include <stdint.h>
#define UBYTE uint8_t
#define UWORD uint16_t
#define UDOUBLE uint32_t
#include "DEV_Config.h"
// Display resolution
#define EPD_4IN2_V2_WIDTH 400