mirror of
https://github.com/jam422470459/EPD-nRF52-hema213.git
synced 2025-12-06 16:42:49 +08:00
use readable cmd names
This commit is contained in:
Shuanglei Tao
98
EPD/UC8176.c
98
EPD/UC8176.c
@@ -1,10 +1,10 @@
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/*****************************************************************************
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* | File : EPD_4in2.c
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* | File : EPD_4in2.c
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* | Author : Waveshare team
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* | Function : 4.2inch e-paper
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* | Info :
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*----------------
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* | This version: V3.0
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* | This version: V3.0
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* | Date : 2019-06-13
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* -----------------------------------------------------------------------------
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#
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@@ -30,40 +30,58 @@
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#include "EPD_driver.h"
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#include "nrf_log.h"
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// commands used by this driver
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enum {
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CMD_PSR = 0x00, // Panel Setting
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CMD_POF = 0x02, // Power OFF
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CMD_PON = 0x04, // Power ON
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CMD_DSLP = 0x07, // Deep sleep
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CMD_DTM1 = 0x10, // Display Start Transmission 1
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CMD_DRF = 0x12, // Display Refresh
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CMD_DTM2 = 0x13, // Display Start transmission 2
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CMD_TSC = 0x40, // Temperature Sensor Calibration
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CMD_CDI = 0x50, // Vcom and data interval setting
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CMD_PTL = 0x90, // Partial Window
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CMD_PTIN = 0x91, // Partial In
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CMD_PTOUT = 0x92, // Partial Out
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CMD_CCSET = 0xE0, // Cascade Setting
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CMD_TSSET = 0xE5, // Force Temperauture
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} UC8176_CMD;
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// Display resolution
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#define EPD_4IN2_WIDTH 400
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#define EPD_4IN2_HEIGHT 300
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static void EPD_4IN2_PowerOn(void)
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{
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EPD_WriteCommand(0x04);
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EPD_WaitBusy(LOW, 100);
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EPD_WriteCommand(CMD_PON);
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EPD_WaitBusy(LOW, 100);
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}
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static void EPD_4IN2_PowerOff(void)
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{
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EPD_WriteCommand(0x02);
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EPD_WaitBusy(LOW, 100);
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EPD_WriteCommand(CMD_POF);
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EPD_WaitBusy(LOW, 100);
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}
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// Read temperature from driver chip
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int8_t EPD_4IN2_Read_Temp(void)
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{
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EPD_WriteCommand_SW(0x40); // TSC
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EPD_WriteCommand_SW(CMD_TSC);
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return (int8_t) EPD_ReadByte_SW();
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}
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// Force temperature (will trigger OTP LUT switch)
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void EPD_4IN2_Force_Temp(int8_t value)
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{
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EPD_WriteCommand_SW(0xE0); // CCSET
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EPD_WriteCommand_SW(CMD_CCSET);
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EPD_WriteByte_SW(0x02);
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EPD_WriteCommand_SW(0xE5); // TSSET
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EPD_WriteCommand_SW(CMD_TSSET);
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EPD_WriteByte_SW(value);
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}
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/******************************************************************************
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function : Turn On Display
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function : Turn On Display
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parameter:
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******************************************************************************/
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void EPD_4IN2_Refresh(void)
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@@ -71,7 +89,7 @@ void EPD_4IN2_Refresh(void)
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NRF_LOG_DEBUG("[EPD]: refresh begin\n");
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EPD_4IN2_PowerOn();
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NRF_LOG_DEBUG("[EPD]: temperature: %d\n", EPD_4IN2_Read_Temp());
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EPD_WriteCommand(0x12);
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EPD_WriteCommand(CMD_DRF);
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delay(100);
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EPD_WaitBusy(LOW, 20000);
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EPD_4IN2_PowerOff();
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@@ -79,30 +97,30 @@ void EPD_4IN2_Refresh(void)
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}
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/******************************************************************************
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function : Initialize the e-Paper register
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function : Initialize the e-Paper register
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parameter:
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******************************************************************************/
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void EPD_4IN2_Init(void)
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{
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EPD_Reset(HIGH, 10);
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EPD_Reset(HIGH, 10);
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EPD_WriteCommand(0x00); // panel setting
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EPD_WriteByte(0x1f); // 400x300 B/W mode, LUT from OTP
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EPD_WriteCommand(CMD_PSR); // panel setting
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EPD_WriteByte(0x1f); // 400x300 B/W mode, LUT from OTP
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EPD_WriteCommand(0x50); // VCOM AND DATA INTERVAL SETTING
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EPD_WriteByte(0x97); // LUTB=0 LUTW=1 interval=10
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EPD_WriteCommand(CMD_CDI); // VCOM AND DATA INTERVAL SETTING
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EPD_WriteByte(0x97); // LUTB=0 LUTW=1 interval=10
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}
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void EPD_4IN2B_V2_Init(void)
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{
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EPD_Reset(HIGH, 200);
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EPD_WriteCommand(0x00);
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EPD_WriteByte(0x0f); // 400x300 B/W/R mode, LUT from OTP
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EPD_WriteCommand(CMD_PSR);
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EPD_WriteByte(0x0f); // 400x300 B/W/R mode, LUT from OTP
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}
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/******************************************************************************
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function : Clear screen
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function : Clear screen
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parameter:
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******************************************************************************/
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void EPD_4IN2_Clear(void)
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@@ -111,14 +129,14 @@ void EPD_4IN2_Clear(void)
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Width = (EPD_4IN2_WIDTH % 8 == 0)? (EPD_4IN2_WIDTH / 8 ): (EPD_4IN2_WIDTH / 8 + 1);
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Height = EPD_4IN2_HEIGHT;
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EPD_WriteCommand(0x10);
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EPD_WriteCommand(CMD_DTM1);
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for (uint16_t j = 0; j < Height; j++) {
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for (uint16_t i = 0; i < Width; i++) {
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EPD_WriteByte(0xFF);
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}
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}
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EPD_WriteCommand(0x13);
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EPD_WriteCommand(CMD_DTM2);
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for (uint16_t j = 0; j < Height; j++) {
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for (uint16_t i = 0; i < Width; i++) {
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EPD_WriteByte(0xFF);
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@@ -134,7 +152,7 @@ static void _setPartialRamArea(uint16_t x, uint16_t y, uint16_t w, uint16_t h)
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uint16_t ye = y + h - 1;
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x &= 0xFFF8; // byte boundary
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xe |= 0x0007; // byte boundary
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EPD_WriteCommand(0x90); // partial window
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EPD_WriteCommand(CMD_PTL); // partial window
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EPD_WriteByte(x / 256);
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EPD_WriteByte(x % 256);
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EPD_WriteByte(xe / 256);
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@@ -152,15 +170,15 @@ void EPD_4IN2_Write_Image(uint8_t *black, uint8_t *color, uint16_t x, uint16_t y
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x -= x % 8; // byte boundary
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w = wb * 8; // byte boundary
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if (x + w > EPD_4IN2_WIDTH || y + h > EPD_4IN2_HEIGHT) return;
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EPD_WriteCommand(0x91); // partial in
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EPD_WriteCommand(CMD_PTIN); // partial in
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_setPartialRamArea(x, y, w, h);
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EPD_WriteCommand(0x13);
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EPD_WriteCommand(CMD_DTM2);
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for (uint16_t i = 0; i < h; i++) {
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for (uint16_t j = 0; j < w / 8; j++) {
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EPD_WriteByte(black[j + i * wb]);
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}
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}
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EPD_WriteCommand(0x92); // partial out
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EPD_WriteCommand(CMD_PTOUT); // partial out
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}
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void EPD_4IN2B_V2_Write_Image(uint8_t *black, uint8_t *color, uint16_t x, uint16_t y, uint16_t w, uint16_t h)
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@@ -169,43 +187,43 @@ void EPD_4IN2B_V2_Write_Image(uint8_t *black, uint8_t *color, uint16_t x, uint16
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x -= x % 8; // byte boundary
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w = wb * 8; // byte boundary
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if (x + w > EPD_4IN2_WIDTH || y + h > EPD_4IN2_HEIGHT) return;
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EPD_WriteCommand(0x91); // partial in
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EPD_WriteCommand(CMD_PTIN); // partial in
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_setPartialRamArea(x, y, w, h);
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EPD_WriteCommand(0x10);
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EPD_WriteCommand(CMD_DTM1);
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for (uint16_t i = 0; i < h; i++) {
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for (uint16_t j = 0; j < w / 8; j++) {
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EPD_WriteByte(black ? black[j + i * wb] : 0xFF);
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}
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}
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EPD_WriteCommand(0x13);
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EPD_WriteCommand(CMD_DTM2);
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for (uint16_t i = 0; i < h; i++) {
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for (uint16_t j = 0; j < w / 8; j++) {
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EPD_WriteByte(color ? color[j + i * wb] : 0xFF);
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}
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}
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EPD_WriteCommand(0x92); // partial out
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EPD_WriteCommand(CMD_PTOUT); // partial out
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}
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/******************************************************************************
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function : Enter sleep mode
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function : Enter sleep mode
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parameter:
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******************************************************************************/
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void EPD_4IN2_Sleep(void)
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{
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EPD_4IN2_PowerOff();
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EPD_4IN2_PowerOff();
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EPD_WriteCommand(0x07);
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EPD_WriteByte(0XA5);
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EPD_WriteCommand(CMD_DSLP);
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EPD_WriteByte(0XA5);
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}
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const epd_driver_t epd_driver_4in2 = {
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.id = EPD_DRIVER_4IN2,
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.width = EPD_4IN2_WIDTH,
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.height = EPD_4IN2_HEIGHT,
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.width = EPD_4IN2_WIDTH,
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.height = EPD_4IN2_HEIGHT,
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.init = EPD_4IN2_Init,
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.clear = EPD_4IN2_Clear,
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.send_command = EPD_WriteCommand,
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.send_byte = EPD_WriteByte,
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.send_byte = EPD_WriteByte,
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.send_data = EPD_WriteData,
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.write_image = EPD_4IN2_Write_Image,
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.refresh = EPD_4IN2_Refresh,
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@@ -216,12 +234,12 @@ const epd_driver_t epd_driver_4in2 = {
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const epd_driver_t epd_driver_4in2bv2 = {
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.id = EPD_DRIVER_4IN2B_V2,
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.width = EPD_4IN2_WIDTH,
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.height = EPD_4IN2_HEIGHT,
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.width = EPD_4IN2_WIDTH,
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.height = EPD_4IN2_HEIGHT,
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.init = EPD_4IN2B_V2_Init,
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.clear = EPD_4IN2_Clear,
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.send_command = EPD_WriteCommand,
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.send_byte = EPD_WriteByte,
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.send_byte = EPD_WriteByte,
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.send_data = EPD_WriteData,
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.write_image = EPD_4IN2B_V2_Write_Image,
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.refresh = EPD_4IN2_Refresh,
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