Ecumaster black race dash

Application running on STM32F746G.


TouchGFX.

This project is built on the stm32f746g-discovery board. It was intended to be an diy solution to a race dash.

Canbus bitrate is 500k not 250!

IDE used: STM32CubeIDE 1.3.0. Gfx tool: TouchGFX 4.13.0 Designer.

Hardware requirements

1. You need an can bus tranceiver, I have used the SN65HVD230.
2. Can TX is connected to PB9 on mcu.
3. Can RX is connected to PB8 on mcu.

Case

1. 3d printable case is in the making.

Getting started developing

1. Clone project.
2. Install STM32CubeIDE 1.3.0 and TouchGFX 4.13.0.
3. Open EcumasterBlackCanWithTouchGFX.IOC.
4. Click Additional Software.
5. Make sure STMicroelectronics.X-CUBE-TOUCHGFX 4.13.0 is installed and Application is set to TouchGFX generator.

Good to know when coding

• Project uses C and C++.
• To work on GFX open: project root/TouchGFX/EcumasterBlackCanWithTouchGFX.touchgfx with TouchGFX.
• Text resources in TouchGFX are set up as wildcard buffers.
• Mapping of data to screen buffers are done in MainView::updateVal(uint8_t* newValue) which you find in : project explorer/TouchGFX/gui/src/main_screen/MainView.cpp. If you are planning on extending the struct you need to do a search. Data is sent from main through a FreeRTOS queue. And handled in TouchGFX part of the code.
• Canbus input data is handled in project root/Core/Src/main.c in function void HAL_CAN_RxFifo0MsgPendingCallback(CAN_HandleTypeDef *hcan).
• Do not be afraid to experiment. Have fun!

Ecumaster emu black settings

Image bellow shows the can settings used for the display to work with ecumaster.

Canbus bitrate is 500k not 250!