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@peng-zhihui
peng-zhihui committed Jul 31, 2022
1 parent 1a841c3 commit bf764fe
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1 change: 1 addition & 0 deletions 1.Hardware/工程链接.txt
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https://oshwhub.com/pengzhihui/helloword-smart-keyboard
275 changes: 275 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.cproject
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1 change: 1 addition & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.gitignore
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cmake-build-*
2 changes: 2 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.idea/REF-STM32F4-fw.iml
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14 changes: 14 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.idea/deployment.xml
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12 changes: 12 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.idea/encodings.xml
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7 changes: 7 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.idea/inspectionProfiles/Project_Default.xml
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4 changes: 4 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.idea/misc.xml
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8 changes: 8 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.idea/modules.xml
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4 changes: 4 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.idea/serialmonitor_settings.xml
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6 changes: 6 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.idea/vcs.xml
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309 changes: 309 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.idea/workspace.xml
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54 changes: 54 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.mxproject
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86 changes: 86 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/.project
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>HelloWord-Dynamic-fw</name>
<comment />
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
<triggers>clean,full,incremental,</triggers>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
<triggers>full,incremental,</triggers>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.cdt.core.cnature</nature>
<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
<nature>fr.ac6.mcu.ide.core.MCUProjectNature</nature>
</natures>
<linkedResources>

<link>
<name>FreeRTOS/croutine.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/Third_Party/FreeRTOS/Source/croutine.c</location>
</link><link>
<name>FreeRTOS/event_groups.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/Third_Party/FreeRTOS/Source/event_groups.c</location>
</link><link>
<name>FreeRTOS/list.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/Third_Party/FreeRTOS/Source/list.c</location>
</link><link>
<name>FreeRTOS/queue.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/Third_Party/FreeRTOS/Source/queue.c</location>
</link><link>
<name>FreeRTOS/stream_buffer.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/Third_Party/FreeRTOS/Source/stream_buffer.c</location>
</link><link>
<name>FreeRTOS/tasks.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/Third_Party/FreeRTOS/Source/tasks.c</location>
</link><link>
<name>FreeRTOS/timers.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/Third_Party/FreeRTOS/Source/timers.c</location>
</link><link>
<name>FreeRTOS/cmsis_os2.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS_V2/cmsis_os2.c</location>
</link><link>
<name>FreeRTOS/heap_4.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/Third_Party/FreeRTOS/Source/portable/MemMang/heap_4.c</location>
</link><link>
<name>FreeRTOS/port.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/Third_Party/FreeRTOS/Source/portable/GCC/ARM_CM4F/port.c</location>
</link><link>
<name>USB_Device_Library/usbd_core.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c</location>
</link><link>
<name>USB_Device_Library/usbd_ctlreq.c</name>
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<location>PARENT-2-PROJECT_LOC/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c</location>
</link><link>
<name>USB_Device_Library/usbd_ioreq.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c</location>
</link><link>
<name>USB_Device_Library/usbd_cdc.c</name>
<type>1</type>
<location>PARENT-2-PROJECT_LOC/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c</location>
</link></linkedResources>
</projectDescription>
111 changes: 111 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/BSP/eink/eink_290_bw.cpp
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#include <cstdio>
#include "eink_290_bw.h"
#include "pgmspace.h"
#include "stm32f4xx_hal.h"
#include "spi.h"


uint8_t Eink290BW::buffer[EPD_HEIGHT * EPD_WIDTH / 8];

void Eink290BW::Init()
{
HAL_GPIO_WritePin(EINK_RST_GPIO_Port, EINK_RST_Pin, GPIO_PIN_RESET);
HAL_Delay(200);
HAL_GPIO_WritePin(EINK_RST_GPIO_Port, EINK_RST_Pin, GPIO_PIN_SET);

WaitUntilIdle();
SendCommand(SW_RESET); // soft reset
WaitUntilIdle();

SendCommand(0x74); //set analog block control
SendData(0x54);
SendCommand(0x7E); //set digital block control
SendData(0x3B);

SendCommand(DRIVER_OUTPUT_CONTROL); //Driver output control
SendData(0x27);
SendData(0x01);
SendData(0x00);

SendCommand(DATA_ENTRY_MODE_SETTING); //data entry mode
SendData(0x01);

SendCommand(SET_RAM_X_ADDRESS_START_END_POSITION); //set Ram-X address start/end position
SendData(0x00);
SendData(0x0F); //0x0F-->(15+1)*8=128

SendCommand(SET_RAM_Y_ADDRESS_START_END_POSITION); //set Ram-Y address start/end position
SendData(0x27); //0x0127-->(295+1)=296
SendData(0x01);
SendData(0x00);
SendData(0x00);
SendCommand(BORDER_WAVEFORM_CONTROL); //set border
SendData(0x01);

SendCommand(0x18); // use the internal temperature sensor
SendData(0x80);


SendCommand(DISPLAY_UPDATE_CONTROL_2);
SendData(0xB1);
SendCommand(MASTER_ACTIVATION);

SendCommand(SET_RAM_X_ADDRESS_COUNTER);
SendData(0x00);
SendCommand(SET_RAM_Y_ADDRESS_COUNTER);
SendData(0x27);
SendData(0x01);
WaitUntilIdle();
printf("e-Paper init OK!");
}

void Eink290BW::DrawBitmap(const unsigned char* datas)
{
SendCommand(WRITE_RAM); //write RAM for black(0)/white (1)

for (int i = 0; i < SCREEN_BUFFER_SIZE; i++)
SendData(PGM_READ_BYTES(&datas[i]));
}

void Eink290BW::Update()
{
SendCommand(DISPLAY_UPDATE_CONTROL_1);
SendData(0x40);

SendCommand(DISPLAY_UPDATE_CONTROL_2);
SendData(0xC7);
SendCommand(MASTER_ACTIVATION);
WaitUntilIdle();
}

void Eink290BW::DeepSleep()
{
SendCommand(0x10); //enter deep sleep
SendData(0x01);
}


void Eink290BW::SendCommand(unsigned char command)
{
HAL_GPIO_WritePin(EINK_DC_GPIO_Port, EINK_DC_Pin, GPIO_PIN_RESET);
SpiTransfer(command);
}

void Eink290BW::SendData(unsigned char data)
{
HAL_GPIO_WritePin(EINK_DC_GPIO_Port, EINK_DC_Pin, GPIO_PIN_SET);
SpiTransfer(data);
}

void Eink290BW::WaitUntilIdle()
{
while (HAL_GPIO_ReadPin(EINK_BUSY_GPIO_Port, EINK_BUSY_Pin) == GPIO_PIN_SET)
HAL_Delay(100);
}

void Eink290BW::SpiTransfer(unsigned char data)
{
HAL_GPIO_WritePin(EINK_CS_GPIO_Port, EINK_CS_Pin, GPIO_PIN_RESET);
HAL_SPI_Transmit(&hspi2, &data, 1, 5);
HAL_GPIO_WritePin(EINK_CS_GPIO_Port, EINK_CS_Pin, GPIO_PIN_SET);
}
53 changes: 53 additions & 0 deletions 2.Firmware/HelloWord-Dynamic-fw/BSP/eink/eink_290_bw.h
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#ifndef __DEPG0290BxS75AFxX_BW_H__
#define __DEPG0290BxS75AFxX_BW_H__

/* EPD commands */
#define DRIVER_OUTPUT_CONTROL 0x01
#define BOOSTER_SOFT_START_CONTROL 0x0C
#define GATE_SCAN_START_POSITION 0x0F
#define DEEP_SLEEP_MODE 0x10
#define DATA_ENTRY_MODE_SETTING 0x11
#define SW_RESET 0x12
#define TEMPERATURE_SENSOR_CONTROL 0x1A
#define MASTER_ACTIVATION 0x20
#define DISPLAY_UPDATE_CONTROL_1 0x21
#define DISPLAY_UPDATE_CONTROL_2 0x22
#define WRITE_RAM 0x24
#define WRITE_VCOM_REGISTER 0x2C
#define WRITE_LUT_REGISTER 0x32
#define SET_DUMMY_LINE_PERIOD 0x3A
#define SET_GATE_TIME 0x3B
#define BORDER_WAVEFORM_CONTROL 0x3C
#define SET_RAM_X_ADDRESS_START_END_POSITION 0x44
#define SET_RAM_Y_ADDRESS_START_END_POSITION 0x45
#define SET_RAM_X_ADDRESS_COUNTER 0x4E
#define SET_RAM_Y_ADDRESS_COUNTER 0x4F
#define TERMINATE_FRAME_READ_WRITE 0xFF
/* Display resolution */
#define EPD_WIDTH 128
#define EPD_HEIGHT 296
#define SCREEN_BUFFER_SIZE (EPD_WIDTH * EPD_HEIGHT / 8)


class Eink290BW
{
public:
Eink290BW()
= default;

void Init();
void Update();
void DeepSleep();
void DrawBitmap(const unsigned char* datas);

static uint8_t buffer[EPD_HEIGHT * EPD_WIDTH / 8];


private:
void SendCommand(unsigned char command);
void SendData(unsigned char data);
void WaitUntilIdle();
void SpiTransfer(unsigned char data);
};

#endif

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