Foreign-Mirrors/WeActStudio.EpaperModule
1
0
Fork 0
mirror of https://github.com/WeActStudio/WeActStudio.EpaperModule.git synced 2026-08-16 13:13:45 +02:00
Code Issues Packages Projects Releases Wiki Activity

add 4.2 inch epaper module examples

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files
Example/EpaperModuleTest_GD32F103/Epaper/epaper.c
+77 -4
View File
@@ -208,6 +208,7 @@ uint8_t epd_init(void)
if (epd_wait_busy())
return 1;
#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);
@@ -251,6 +252,21 @@ uint8_t epd_init(void)
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(0x18); // Read built-in temperature sensor
@@ -278,6 +294,12 @@ 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;
@@ -293,8 +315,13 @@ epd_power_off();
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();
@@ -316,15 +343,20 @@ 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)
{
#ifdef EPD_154
epd_write_reg(0x22); // Display Update Control
#ifdef EPD_154
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
@@ -334,10 +366,14 @@ void epd_update(void)
void epd_update_partial(void)
{
#ifdef EPD_154
epd_write_reg(0x22); // Display Update Control
#ifdef EPD_154
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
@@ -345,6 +381,19 @@ 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;
@@ -354,8 +403,10 @@ 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;
@@ -376,6 +427,17 @@ 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;
@@ -404,6 +466,12 @@ 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();
}
@@ -455,6 +523,11 @@ 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();
}