Foreign-Mirrors/WeActStudio.EpaperModule
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add 4.2 inch epaper module examples

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This commit is contained in:
YXZhu
2024-05-22 23:36:56 +08:00
parent 7a725ab68b
commit 708ad3a891
24 changed files with 1929 additions and 1216 deletions
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Example/EpaperModuleTest_AT32F403A/Epaper/epaper.c
+123 -50
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@@ -234,54 +234,70 @@ uint8_t epd_init(void)
if (epd_wait_busy())
return 1;
epd_write_reg(0x01); // Driver output control
#if defined(EPD_29) || defined(EPD_213)
epd_write_data(0x27);
epd_write_data(0x01);
epd_write_data(0x01);
#else
epd_write_data(0xC7);
epd_write_data(0x00);
epd_write_data(0x01);
#if defined(EPD_29) || defined(EPD_213) || defined(EPD_154)
epd_write_reg(0x01); // Driver output control
#if defined(EPD_29) || defined(EPD_213)
epd_write_data(0x27);
epd_write_data(0x01);
epd_write_data(0x01);
#else
epd_write_data(0xC7);
epd_write_data(0x00);
epd_write_data(0x01);
#endif
epd_write_reg(0x11); // data entry mode
epd_write_data(0x01);
#ifdef EPD_154
epd_write_reg(0x44); // set Ram-X address start/end position
epd_write_data(0x00);
epd_write_data(0x18);
epd_write_reg(0x45); // set Ram-Y address start/end position
epd_write_data(0xC7);
epd_write_data(0x00);
epd_write_data(0x00);
epd_write_data(0x00);
#else
epd_write_reg(0x44); // set Ram-X address start/end position
epd_write_data(0x00);
epd_write_data(0x0F); // 0x0F-->(15+1)*8=128
epd_write_reg(0x45); // set Ram-Y address start/end position
epd_write_data(0x27); // 0x127-->(295+1)=296
epd_write_data(0x01);
epd_write_data(0x00);
epd_write_data(0x00);
#endif
epd_write_reg(0x3C); // BorderWavefrom
epd_write_data(0x05);
#if defined(EPD_29) || defined(EPD_213)
epd_write_reg(0x21); // Display update control
epd_write_data(0x00);
epd_write_data(0x80);
#endif
#elif defined(EPD_42)
epd_write_reg(0x21); // Display Update Controll
epd_write_data(0x40);
epd_write_data(0x00);
epd_write_reg(0x01); // Set MUX as 300
epd_write_data(0x2B);
epd_write_data(0x01);
epd_write_data(0x00);
epd_write_reg(0x3C); //BorderWavefrom
epd_write_data(0x01);
epd_write_reg(0x11); // data entry mode
epd_write_data(0x03); // X-mode
epd_address_set(0,0,EPD_W-1,EPD_H-1);
#endif
epd_write_reg(0x11); // data entry mode
epd_write_data(0x01);
#ifdef EPD_154
epd_write_reg(0x44); // set Ram-X address start/end position
epd_write_data(0x00);
epd_write_data(0x18);
epd_write_reg(0x45); // set Ram-Y address start/end position
epd_write_data(0xC7);
epd_write_data(0x00);
epd_write_data(0x00);
epd_write_data(0x00);
#else
epd_write_reg(0x44); // set Ram-X address start/end position
epd_write_data(0x00);
epd_write_data(0x0F); // 0x0F-->(15+1)*8=128
epd_write_reg(0x45); // set Ram-Y address start/end position
epd_write_data(0x27); // 0x127-->(295+1)=296
epd_write_data(0x01);
epd_write_data(0x00);
epd_write_data(0x00);
#endif
epd_write_reg(0x3C); // BorderWavefrom
epd_write_data(0x05);
#if defined(EPD_29) || defined(EPD_213)
epd_write_reg(0x21); // Display update control
epd_write_data(0x00);
epd_write_data(0x80);
#endif
epd_write_reg(0x18); // Read built-in temperature sensor
epd_write_data(0x80);
epd_write_reg(0x18); // Read built-in temperature sensor
epd_write_data(0x80);
epd_setpos(0,0);
if (epd_power_on())
@@ -304,6 +320,12 @@ uint8_t epd_init_partial(void)
}
_epd_write_data_over();
epd_cs_set();
#elif defined(EPD_42)
epd_write_reg(0x3C); //BorderWavefrom
epd_write_data(0x80);
epd_write_reg(0x21); // Display Update Controll
epd_write_data(0x00); // RED normal
epd_write_data(0x00); // single chip application
#endif
return 0;
@@ -319,8 +341,13 @@ void epd_enter_deepsleepmode(uint8_t mode)
uint8_t epd_power_on(void)
{
#if defined EPD_42
epd_write_reg(0x22); // Display Update Control
epd_write_data(0xe0);
#else
epd_write_reg(0x22); // Display Update Control
epd_write_data(0xf8);
#endif
epd_write_reg(0x20); // Activate Display Update Sequence
return epd_wait_busy();
@@ -342,15 +369,20 @@ void epd_init_internalTempSensor(void)
epd_write_reg(0x1A);
epd_write_data(0x7F);
epd_write_data(0xF0);
// epd_write_data(0xF0);
}
void epd_update(void)
{
epd_write_reg(0x22); // Display Update Control
#ifdef EPD_154
epd_write_reg(0x22); // Display Update Control
epd_write_data(0xF4);
#elif defined EPD_42
epd_write_reg(0x22); // Display Update Control
epd_write_data(0xF7);
#else
epd_write_reg(0x22); // Display Update Control
epd_write_data(0xF7);
#endif
epd_write_reg(0x20); // Activate Display Update Sequence
@@ -360,10 +392,14 @@ void epd_update(void)
void epd_update_partial(void)
{
epd_write_reg(0x22); // Display Update Control
#ifdef EPD_154
epd_write_reg(0x22); // Display Update Control
epd_write_data(0xFC);
#elif defined EPD_42
epd_write_reg(0x22); // Display Update Control
epd_write_data(0xFF);
#else
epd_write_reg(0x22); // Display Update Control
epd_write_data(0xCC);
#endif
epd_write_reg(0x20); // Activate Display Update Sequence
@@ -371,6 +407,19 @@ void epd_update_partial(void)
epd_wait_busy();
}
void epd_address_set(uint16_t x_start,uint16_t y_start,uint16_t x_end,uint16_t y_end)
{
epd_write_reg(0x44); // SET_RAM_X_ADDRESS_START_END_POSITION
epd_write_data((x_start>>3) & 0xFF);
epd_write_data((x_end>>3) & 0xFF);
epd_write_reg(0x45); // SET_RAM_Y_ADDRESS_START_END_POSITION
epd_write_data(y_start & 0xFF);
epd_write_data((y_start >> 8) & 0xFF);
epd_write_data(y_end & 0xFF);
epd_write_data((y_end >> 8) & 0xFF);
}
void epd_setpos(uint16_t x, uint16_t y)
{
uint8_t _x;
@@ -380,8 +429,10 @@ void epd_setpos(uint16_t x, uint16_t y)
#ifdef EPD_154
_y = 199 - y;
#else
#elif defined(EPD_29) || defined(EPD_213)
_y = 295 - y;
#elif defined(EPD_42)
_y = y;
#endif
epd_write_reg(0x4E); // set RAM x address count to 0;
@@ -402,6 +453,17 @@ void epd_writedata(uint8_t *Image1, uint32_t length)
epd_cs_set();
}
void epd_writedata2(uint8_t data, uint32_t length)
{
epd_cs_reset();
for (uint32_t j = 0; j < length; j++)
{
_epd_write_data(data);
}
_epd_write_data_over();
epd_cs_set();
}
void epd_display(uint8_t *Image1, uint8_t *Image2)
{
uint32_t Width, Height, i, j;
@@ -430,6 +492,12 @@ void epd_display(uint8_t *Image1, uint8_t *Image2)
_epd_write_data_over();
epd_cs_set();
#if defined EPD_42
epd_write_reg(0x21); // Display Update Controll
epd_write_data(0x00); // RED normal
epd_write_data(0x00); // single chip application
#endif
epd_update();
}
@@ -481,6 +549,11 @@ void epd_displayRED(uint8_t *Image)
epd_write_reg(0x26);
epd_writedata(Image, Width * Height);
#if defined EPD_42
epd_write_reg(0x21); // Display Update Controll
epd_write_data(0x00); // RED normal
epd_write_data(0x00); // single chip application
#endif
epd_update();
}