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update EPD driver

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This commit is contained in:
Shuanglei Tao
2025-03-06 19:54:59 +08:00
parent 818e16e793
commit 40aa884791
6 changed files with 151 additions and 27 deletions
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118
EPD/EPD_driver.c
View File

@@ -31,8 +31,7 @@ uint32_t EPD_BS_PIN = 13;
uint32_t EPD_EN_PIN = 0xFF;
uint32_t EPD_LED_PIN = 0xFF;
#define SPI_INSTANCE 0 /**< SPI instance index. */
static const nrf_drv_spi_t spi = NRF_DRV_SPI_INSTANCE(SPI_INSTANCE); /**< SPI instance. */
// Arduino like function wrappers
void pinMode(uint32_t pin, uint32_t mode)
{
@@ -83,6 +82,7 @@ void delay(uint32_t ms)
nrf_delay_ms(ms);
}
// GPIO
void DEV_Module_Init(void)
{
pinMode(EPD_CS_PIN, OUTPUT);
@@ -98,16 +98,6 @@ void DEV_Module_Init(void)
pinMode(EPD_BS_PIN, OUTPUT);
digitalWrite(EPD_BS_PIN, LOW);
nrf_drv_spi_config_t spi_config = NRF_DRV_SPI_DEFAULT_CONFIG;
spi_config.sck_pin = EPD_SCLK_PIN;
spi_config.mosi_pin = EPD_MOSI_PIN;
spi_config.ss_pin = EPD_CS_PIN;
#if defined(S112)
APP_ERROR_CHECK(nrf_drv_spi_init(&spi, &spi_config, NULL, NULL));
#else
APP_ERROR_CHECK(nrf_drv_spi_init(&spi, &spi_config, NULL));
#endif
digitalWrite(EPD_DC_PIN, LOW);
digitalWrite(EPD_CS_PIN, LOW);
digitalWrite(EPD_RST_PIN, HIGH);
@@ -124,21 +114,114 @@ void DEV_Module_Exit(void)
digitalWrite(EPD_CS_PIN, LOW);
digitalWrite(EPD_RST_PIN, LOW);
nrf_drv_spi_uninit(&spi);
DEV_SPI_Exit();
EPD_LED_OFF();
}
// Hardware SPI (write only)
#define SPI_INSTANCE 0 /**< SPI instance index. */
static const nrf_drv_spi_t spi = NRF_DRV_SPI_INSTANCE(SPI_INSTANCE); /**< SPI instance. */
static bool spi_initialized = false;
void DEV_SPI_Init(void)
{
if (spi_initialized) return;
nrf_drv_spi_config_t spi_config = NRF_DRV_SPI_DEFAULT_CONFIG;
spi_config.sck_pin = EPD_SCLK_PIN;
spi_config.mosi_pin = EPD_MOSI_PIN;
spi_config.ss_pin = EPD_CS_PIN;
#if defined(S112)
APP_ERROR_CHECK(nrf_drv_spi_init(&spi, &spi_config, NULL, NULL));
#else
APP_ERROR_CHECK(nrf_drv_spi_init(&spi, &spi_config, NULL));
#endif
spi_initialized = true;
}
void DEV_SPI_Exit(void)
{
if (!spi_initialized) return;
nrf_drv_spi_uninit(&spi);
spi_initialized = false;
}
void DEV_SPI_WriteByte(uint8_t value)
{
DEV_SPI_Init();
APP_ERROR_CHECK(nrf_drv_spi_transfer(&spi, &value, 1, NULL, 0));
}
void DEV_SPI_WriteBytes(uint8_t *value, uint8_t len)
{
DEV_SPI_Init();
APP_ERROR_CHECK(nrf_drv_spi_transfer(&spi, value, len, NULL, 0));
}
// Software SPI (read / write)
void DEV_SPI_WriteByte_SW(uint8_t data)
{
DEV_SPI_Exit();
pinMode(EPD_MOSI_PIN, OUTPUT);
digitalWrite(EPD_CS_PIN, LOW);
for (int i = 0; i < 8; i++)
{
if ((data & 0x80) == 0) digitalWrite(EPD_MOSI_PIN, LOW);
else digitalWrite(EPD_MOSI_PIN, HIGH);
data <<= 1;
digitalWrite(EPD_SCLK_PIN, HIGH);
digitalWrite(EPD_SCLK_PIN, LOW);
}
digitalWrite(EPD_CS_PIN, HIGH);
}
uint8_t DEV_SPI_ReadByte_SW(void)
{
DEV_SPI_Exit();
uint8_t j = 0xff;
pinMode(EPD_MOSI_PIN, INPUT);
digitalWrite(EPD_CS_PIN, LOW);
for (int i = 0; i < 8; i++)
{
j = j << 1;
if (digitalRead(EPD_MOSI_PIN)) j = j | 0x01;
else j = j & 0xfe;
digitalWrite(EPD_SCLK_PIN, HIGH);
digitalWrite(EPD_SCLK_PIN, LOW);
}
digitalWrite(EPD_CS_PIN, HIGH);
pinMode(EPD_MOSI_PIN, 1);
return j;
}
void EPD_WriteCommand_SW(uint8_t Reg)
{
digitalWrite(EPD_DC_PIN, LOW);
digitalWrite(EPD_CS_PIN, LOW);
DEV_SPI_WriteByte_SW(Reg);
digitalWrite(EPD_CS_PIN, HIGH);
}
void EPD_WriteByte_SW(uint8_t Data)
{
digitalWrite(EPD_DC_PIN, HIGH);
digitalWrite(EPD_CS_PIN, LOW);
DEV_SPI_WriteByte_SW(Data);
digitalWrite(EPD_CS_PIN, HIGH);
}
uint8_t EPD_ReadByte_SW(void)
{
digitalWrite(EPD_DC_PIN, HIGH);
return DEV_SPI_ReadByte_SW();
}
// Hardware SPI
void EPD_WriteCommand(uint8_t Reg)
{
digitalWrite(EPD_DC_PIN, LOW);
@@ -170,19 +253,21 @@ void EPD_Reset(uint32_t value, uint16_t duration)
void EPD_WaitBusy(uint32_t value, uint16_t timeout)
{
NRF_LOG_DEBUG("[EPD]: check busy");
NRF_LOG_DEBUG("[EPD]: check busy\n");
while (digitalRead(EPD_BUSY_PIN) == value) {
if (timeout % 100 == 0) EPD_LED_TOGGLE();
delay(1);
timeout--;
if (timeout == 0) {
NRF_LOG_DEBUG("[EPD]: busy timeout!");
NRF_LOG_DEBUG("[EPD]: busy timeout!\n");
break;
}
}
NRF_LOG_DEBUG("[EPD]: busy release");
NRF_LOG_DEBUG("[EPD]: busy release\n");
}
// lED
void EPD_LED_ON(void)
{
if (EPD_LED_PIN != 0xFF)
@@ -201,6 +286,7 @@ void EPD_LED_TOGGLE(void)
nrf_gpio_pin_toggle(EPD_LED_PIN);
}
extern epd_driver_t epd_driver_4in2;
extern epd_driver_t epd_driver_4in2bv2;

22
EPD/EPD_driver.h
View File

@@ -37,12 +37,14 @@ typedef struct
uint16_t height;
void (*init)(void); /**< Initialize the e-Paper register */
void (*clear)(void); /**< Clear screen */
void (*send_command)(uint8_t Reg); /**< send command */
void (*send_byte)(uint8_t Reg); /**< send byte */
void (*send_data)(uint8_t *Data, uint8_t Len); /**< send data */
void (*send_command)(uint8_t Reg); /**< send command */
void (*send_byte)(uint8_t Reg); /**< send byte */
void (*send_data)(uint8_t *Data, uint8_t Len); /**< send data */
void (*write_image)(uint8_t *black, uint8_t *color, uint16_t x, uint16_t y, uint16_t w, uint16_t h); /**< write image */
void (*refresh)(void); /**< Sends the image buffer in RAM to e-Paper and displays */
void (*sleep)(void); /**< Enter sleep mode */
int8_t (*read_temp)(void); /**< Read temperature from driver chip */
void (*force_temp)(int8_t value); /**< Force temperature (will trigger OTP LUT switch) */
} epd_driver_t;
extern uint32_t EPD_MOSI_PIN;
@@ -69,18 +71,30 @@ void digitalWrite(uint32_t pin, uint32_t value);
uint32_t digitalRead(uint32_t pin);
void delay(uint32_t ms);
// GPIO
void DEV_Module_Init(void);
void DEV_Module_Exit(void);
// Software SPI (read / write)
void DEV_SPI_WriteByte_SW(uint8_t data);
uint8_t DEV_SPI_ReadByte_SW(void);
void EPD_WriteCommand_SW(uint8_t Reg);
void EPD_WriteByte_SW(uint8_t Data);
uint8_t EPD_ReadByte_SW(void);
// Hardware SPI (write only)
void DEV_SPI_Init(void);
void DEV_SPI_Exit(void);
void DEV_SPI_WriteByte(uint8_t value);
void DEV_SPI_WriteBytes(uint8_t *value, uint8_t len);
void EPD_WriteCommand(uint8_t Reg);
void EPD_WriteByte(uint8_t Data);
void EPD_WriteData(uint8_t *Data, uint8_t Len);
void EPD_Reset(uint32_t value, uint16_t duration);
void EPD_WaitBusy(uint32_t value, uint16_t timeout);
// lED
void EPD_LED_ON(void);
void EPD_LED_OFF(void);
void EPD_LED_TOGGLE(void);

3
EPD/EPD_service.c
View File

@@ -19,7 +19,8 @@
#include "nrf_log.h"
#if defined(S112)
#define EPD_CFG_DEFAULT {0x14, 0x13, 0x06, 0x05, 0x04, 0x03, 0x02, 0x03, 0xFF, 0x12, 0x07}
#define EPD_CFG_DEFAULT {0x14, 0x13, 0x06, 0x05, 0x04, 0x03, 0x02, 0x03, 0xFF, 0x12, 0x07} // 52811
//#define EPD_CFG_DEFAULT {0x14, 0x13, 0x12, 0x11, 0x10, 0x0F, 0x0E, 0x03, 0xFF, 0x0D, 0x02} // 52810
#else
#define EPD_CFG_DEFAULT {0x05, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x01, 0x07}
#endif

31
EPD/UC8176.c
View File

@@ -37,13 +37,29 @@
static void EPD_4IN2_PowerOn(void)
{
EPD_WriteCommand(0x04);
delay(50);
EPD_WaitBusy(LOW, 100);
}
static void EPD_4IN2_PowerOff(void)
{
EPD_WriteCommand(0x02);
EPD_WaitBusy(LOW, 50);
EPD_WaitBusy(LOW, 100);
}
// Read temperature from driver chip
int8_t EPD_4IN2_Read_Temp(void)
{
EPD_WriteCommand_SW(0x40); // TSC
return (int8_t) EPD_ReadByte_SW();
}
// Force temperature (will trigger OTP LUT switch)
void EPD_4IN2_Force_Temp(int8_t value)
{
EPD_WriteCommand_SW(0xE0); // CCSET
EPD_WriteByte_SW(0x02);
EPD_WriteCommand_SW(0xE5); // TSSET
EPD_WriteByte_SW(value);
}
/******************************************************************************
@@ -52,11 +68,14 @@ parameter:
******************************************************************************/
void EPD_4IN2_Refresh(void)
{
NRF_LOG_DEBUG("[EPD]: refresh begin\n");
EPD_4IN2_PowerOn();
NRF_LOG_DEBUG("[EPD]: temperature: %d\n", EPD_4IN2_Read_Temp());
EPD_WriteCommand(0x12);
delay(100);
EPD_WaitBusy(LOW, 20000);
EPD_4IN2_PowerOff();
NRF_LOG_DEBUG("[EPD]: refresh end\n");
}
/******************************************************************************
@@ -76,10 +95,10 @@ void EPD_4IN2_Init(void)
void EPD_4IN2B_V2_Init(void)
{
EPD_Reset(HIGH, 10);
EPD_Reset(HIGH, 200);
EPD_WriteCommand(0x00);
EPD_WriteByte(0x0f);
EPD_WriteByte(0x0f); // 400x300 B/W/R mode, LUT from OTP
}
/******************************************************************************
@@ -191,6 +210,8 @@ const epd_driver_t epd_driver_4in2 = {
.write_image = EPD_4IN2_Write_Image,
.refresh = EPD_4IN2_Refresh,
.sleep = EPD_4IN2_Sleep,
.read_temp = EPD_4IN2_Read_Temp,
.force_temp = EPD_4IN2_Force_Temp,
};
const epd_driver_t epd_driver_4in2bv2 = {
@@ -205,4 +226,6 @@ const epd_driver_t epd_driver_4in2bv2 = {
.write_image = EPD_4IN2B_V2_Write_Image,
.refresh = EPD_4IN2_Refresh,
.sleep = EPD_4IN2_Sleep,
.read_temp = EPD_4IN2_Read_Temp,
.force_temp = EPD_4IN2_Force_Temp,
};

2
GUI/Calendar.c
View File

@@ -8,7 +8,7 @@
#if defined(S112)
#define PAGE_HEIGHT 150
#else
#define PAGE_HEIGHT 72
#define PAGE_HEIGHT 64
#endif
static void DrawDateHeader(Adafruit_GFX *gfx, int16_t x, int16_t y, tm_t *tm, struct Lunar_Date *Lunar)
{

2
SDK/12.3.0_d7731ad/components/toolchain/arm/arm_startup_nrf51.s
View File

@@ -46,7 +46,7 @@ Heap_Size EQU __STARTUP_CONFIG_HEAP_SIZE
ELIF :DEF: __HEAP_SIZE
Heap_Size EQU __HEAP_SIZE
ELSE
Heap_Size EQU 4096
Heap_Size EQU 3600
ENDIF
AREA HEAP, NOINIT, READWRITE, ALIGN=3