Updated README.md file
Updated current progress status in the README.md file + started to add a getting started section describing the steps required to build and flash the W800_Smart_Watch firmware
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README.md
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README.md
@ -5,14 +5,40 @@ I am also quite unhappy with the smartwatches that are on the market (expensive,
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I also wanted to test this W800 SOC more deeply and see what it could do and I think it is a perfect fit for the project.
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So let's go !
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## Getting started :
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### So, you'd like to try this project yourself ?
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### Here are the steps to follow, to be able to build the firmware and flash the board :
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#### On Windows :
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1) Start by cloning the repository.
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**Put it in a path that doesn't contain any spaces** ie : C:\Users\Bob\Desktop\projects for example.
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2) Once cloning is done, you will need to install the [MSYS2](https://www.msys2.org/) tool/environment. This tool is need to compile the project using **Make**.
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3) Open a terminal by clicking on the **MSYS2** icon and execute the following commands to install :
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1) Update packages :
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```bash
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pacman -Syu
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```
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2) Install make :
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```bash
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pacman -S msys/make
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```
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3) Install automake :
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```bash
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pacman -S msys/automake
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```
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5) Install autoconf :
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```bash
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pacman -S msys/autoconf
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```
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## A Smart Watch project using the Chinese W800 SOC.
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The W800 is a pretty interesting chip with impressive characteristics for its price (around 1$) :
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### Core :
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* 32bit XT804 CPU
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* 240 Mhz frequency
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* 240 Mhz max clock
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### Memory :
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* 2 MB on chip flash
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* 288 KB RAM
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* 288 KB RAM, ~130 KB available to the user
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### Wireless connectivity :
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* Bluetooth EDR(Classic) and BLE 4.2
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* WiFi 2.4Ghz 802.11 b/g/n
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@ -40,7 +66,7 @@ Possible choices :
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* ~~A piezo buzzer~~ : dropped, maybe in next version.
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## Power source :
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* 1 cell lipo 450 mAh battery.
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* A single 450 mAh cell lipo battery.
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* A charge/discharge controller.
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## Screen + touch element :
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@ -89,49 +115,51 @@ using a magnetic 4 pin plug.
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||PB_11|**I/O**|I²S_DO/MMC_D3/HSPI_DO/SDIO_D3|U/D|**BMA456 IRQ 2 line**||
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||GND|P|Ground (Central Pad)||||
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## What is done/working so far :
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## What is done/working so far - HARDWARE :
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* Schematic :
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* First version of the schematic is done an available [here](design/Kicad/W800_Smart_Watch/W800_Smart_Watch.pdf).
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* PCB version 1.0 design is done based on the schematic. Waiting for the PCBs from JLCPCB.
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* Wake up interrupts handling :
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* Wrist tilt MCU wake up working
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* LCD touch wake up
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* MCU sleep feature :
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* Sleep and Standby modes working but implemented in a crude way.
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Can and should be improved.
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## What is done/working so far - SOFTWARE :
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* LVGL 8.3.3 running on the SOC using DMA.
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* Supported LCD drivers :
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* ILI9341 in 4-line serial mode (8 bits) with D/C pin
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* ST7789 in 4-line serial mode (8 bits) with D/C pin
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* GC9A01 in 4-line serial mode (8 bits) with D/C pin
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* Supported LCD touch screen :
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* CST816D capacitive touch ic.
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* Three screens designed and working with LVGL :
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* CST816D I2C capacitive touch ic.
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* Four screens designed and working with LVGL :
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* 1 watch face based on a casio watch.
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* 1 menu list screen with icons.
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* 1 menu screen with a list of icons.
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* 1 setting screen with basic settings (date and time + display brightness) (work in progress).
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* 1 compass application using the QMC5883L.
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* Debug UART on PB_2 (output only)
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* Wake up interrupts handling :
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* Wrist tilt MCU wake up working
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* LCD touch wake up
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* Sensors/Actuators :
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* QMC5883L driver working
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* BMA456 driver working
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* BMP280 driver working (temperature + pressure)
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* BMP280 driver working (temperature + pressure + altitude)
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* Battery voltage sense using ADC is working
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* Vibration motor controlled by PWM working
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* Update the W800 SDK from version 1.00.08 to version 1.00.10 released in January of 2023.
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## To do :
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* Write I2C drivers for the :
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* [X] BMA456
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* [X] Wrist tilt detection
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* [X] BMP280
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* [X] Temperature
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* [X] Pressure
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* [X] QMC5883L
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* [X] Write the init sequence for the GC9A01 LCD driver.
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* [X] Make LCD display + touch work.
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* [X] Design and test battery voltage sensing circuit -> voltage divider bridge because ADC input can sense 2.5V Max.
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## To do - HARDWARE:
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* [ ] Add the MAX30102 Heart Rate Monitor to the current design.
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## To do - SOFTWARE
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* [ ] Finish to design the settings page.
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* [ ] Implement a good algorithm to handle adaptiv MCU clock to save power
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* [X] Test the charge circuit.
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* [X] Handle watch auto sleep feature with wake up on screen touch + wrist tilt (POC could be improved).
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* Design and test the :
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* [X] vibration motor circuit
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* [X] Draw the schematic, the first revision of the schematic is available [here](design/Kicad/W800_Smart_Watch/W800_Smart_Watch.pdf).
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* [X] Design the PCB (routing, placement etc..) on a 2 layer PCB - done.
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* [ ] Update the W800 SDK from version 1.00.08 to version 1.00.10 released in January of 2023.
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* [ ] Implement a good algorithm to handle adaptiv MCU clock
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to save power
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* Drivers:
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* [] Write/port the MAX30102 Heart Rate Monitor driver to the project.
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* [ ] Add a wake up alarm app (using the vibration motor).
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## Achieved power consumption recap:
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(Need to work on sleep current :-( )
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