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add UC8276 support

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This commit is contained in:
Shuanglei Tao
2025-03-12 22:31:53 +08:00
parent 19456a5886
commit 32ae74ba0f
5 changed files with 60 additions and 22 deletions
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2
EPD/EPD_driver.c
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@@ -299,11 +299,13 @@ void EPD_LED_TOGGLE(void)
extern epd_model_t epd_uc8176_420_bw;
extern epd_model_t epd_uc8176_420_bwr;
extern epd_model_t epd_ssd1619_420_bwr;
extern epd_model_t epd_uc8276_420_bwr;
static epd_model_t *epd_models[] = {
&epd_uc8176_420_bw,
&epd_uc8176_420_bwr,
&epd_ssd1619_420_bwr,
&epd_uc8276_420_bwr,
};
static epd_model_t *epd_model_get(epd_model_id_t id)

1
EPD/EPD_driver.h
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@@ -50,6 +50,7 @@ typedef enum
EPD_UC8176_420_BW = 1,
EPD_UC8176_420_BWR = 3,
EPD_SSD1619_420_BWR = 2,
EPD_UC8276_420_BWR = 5,
} epd_model_id_t;
typedef struct

2
EPD/SSD1619.c
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@@ -134,7 +134,7 @@ static void SSD1619_Refresh(void)
void SSD1619_Clear(void)
{
uint16_t Width = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
uint16_t Width = (EPD_WIDTH + 7) / 8;
uint16_t Height = EPD_HEIGHT;
EPD_WriteCommand(CMD_WRITE_RAM1);

74
EPD/UC8176.c
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@@ -143,29 +143,34 @@ void UC8176_Init(epd_res_t res, bool bwr)
}
}
static void UC8176_Write_RAM(uint8_t cmd, uint8_t value)
{
uint16_t Width = (EPD_WIDTH + 7) / 8;
uint16_t Height = EPD_HEIGHT;
EPD_WriteCommand(cmd);
for (uint16_t j = 0; j < Height; j++) {
for (uint16_t i = 0; i < Width; i++) {
EPD_WriteByte(value);
}
}
}
/******************************************************************************
function : Clear screen
parameter:
******************************************************************************/
void UC8176_Clear(void)
{
uint16_t Width = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
uint16_t Height = EPD_HEIGHT;
EPD_WriteCommand(CMD_DTM1);
for (uint16_t j = 0; j < Height; j++) {
for (uint16_t i = 0; i < Width; i++) {
EPD_WriteByte(0xFF);
}
}
EPD_WriteCommand(CMD_DTM2);
for (uint16_t j = 0; j < Height; j++) {
for (uint16_t i = 0; i < Width; i++) {
EPD_WriteByte(0xFF);
}
}
UC8176_Write_RAM(CMD_DTM1, 0xFF);
UC8176_Write_RAM(CMD_DTM2, 0xFF);
UC8176_Refresh();
}
void UC8276_Clear(void)
{
UC8176_Write_RAM(CMD_DTM1, 0xFF);
UC8176_Write_RAM(CMD_DTM2, 0x00);
UC8176_Refresh();
}
@@ -187,7 +192,7 @@ static void _setPartialRamArea(uint16_t x, uint16_t y, uint16_t w, uint16_t h)
EPD_WriteByte(0x01);
}
void UC8176_Write_Image(uint8_t *black, uint8_t *color, uint16_t x, uint16_t y, uint16_t w, uint16_t h)
void UC8176_Write_Paritial(uint8_t *black, uint8_t *color, uint16_t x, uint16_t y, uint16_t w, uint16_t h, bool invertColor)
{
uint16_t wb = (w + 7) / 8; // width bytes, bitmaps are padded
x -= x % 8; // byte boundary
@@ -206,15 +211,27 @@ void UC8176_Write_Image(uint8_t *black, uint8_t *color, uint16_t x, uint16_t y,
EPD_WriteCommand(CMD_DTM2);
for (uint16_t i = 0; i < h; i++) {
for (uint16_t j = 0; j < w / 8; j++) {
if (EPD_BWR_MODE)
EPD_WriteByte(color ? color[j + i * wb] : 0xFF);
else
if (EPD_BWR_MODE) {
uint8_t data = color ? color[j + i * wb] : 0xFF;
EPD_WriteByte(invertColor ? ~data : data);
} else {
EPD_WriteByte(black[j + i * wb]);
}
}
}
EPD_WriteCommand(CMD_PTOUT); // partial out
}
void UC8176_Write_Image(uint8_t *black, uint8_t *color, uint16_t x, uint16_t y, uint16_t w, uint16_t h)
{
UC8176_Write_Paritial(black, color, x, y, w, h, false);
}
void UC8276_Write_Image(uint8_t *black, uint8_t *color, uint16_t x, uint16_t y, uint16_t w, uint16_t h)
{
UC8176_Write_Paritial(black, color, x, y, w, h, true);
}
/******************************************************************************
function : Enter sleep mode
parameter:
@@ -238,6 +255,16 @@ static epd_driver_t epd_drv_uc8176 = {
.force_temp = UC8176_Force_Temp,
};
static epd_driver_t epd_drv_uc8276 = {
.init = UC8176_Init,
.clear = UC8276_Clear,
.write_image = UC8276_Write_Image,
.refresh = UC8176_Refresh,
.sleep = UC8176_Sleep,
.read_temp = UC8176_Read_Temp,
.force_temp = UC8176_Force_Temp,
};
const epd_model_t epd_uc8176_420_bw = {
.id = EPD_UC8176_420_BW,
.drv = &epd_drv_uc8176,
@@ -251,3 +278,10 @@ const epd_model_t epd_uc8176_420_bwr = {
.res = EPD_RES_400x300,
.bwr = true,
};
const epd_model_t epd_uc8276_420_bwr = {
.id = EPD_UC8276_420_BWR,
.drv = &epd_drv_uc8276,
.res = EPD_RES_400x300,
.bwr = true,
};

3
html/index.html
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@@ -47,6 +47,7 @@
<select id="epddriver" onchange="filterDitheringOptions()">
<option value="01">UC8176（黑白屏）</option>
<option value="03">UC8176（三色屏）</option>
<option value="05">UC8276（三色屏）</option>
<option value="02">SSD1619（三色屏）</option>
</select>
<label for="epdpins">引脚</label>
@@ -88,7 +89,7 @@
<option value="floydsteinberg">floydsteinberg</option>
<option value="Atkinson">Atkinson</option>
</optgroup>
<optgroup id="dithering-bwr" data-driver="02|03" label="黑白红多色">
<optgroup id="dithering-bwr" data-driver="02|03|05" label="黑白红多色">
<option value="bwr_floydsteinberg">黑白红floydsteinberg</option>
<option value="bwr_Atkinson">黑白红Atkinson</option>
</optgroup>