# Tuya IoTOS Embedded Mcu Demo Wifi Ble Electronic Compass
[English](./README.md) | [中文](./README_zh.md)
## Introduction
This Demo uses the Tuya smart cloud platform, Tuya smart APP, and IoTOS Embedded MCU SDK to realize a air pressure detector.
The implemented features include:
+ orientation check
## Quick start
### Migration
+ [Get MCU SDK](https://developer.tuya.com/en/docs/iot/device-development/embedded-software-development/mcu-development-access/mcu-access-guide?id=K9hrbv1ub5owo#title-2-产品创建)
+ [MCU SDK Migration](https://developer.tuya.com/en/docs/iot/device-development/embedded-software-development/mcu-development-access/wifi-mcu-sdk-solution/overview-of-migrating-tuyas-mcu-sdk?id=K9hhi0xr5vll9)
### File introduction
```
├── user
│ ├── main.c
│ └── MY_ST_config.h
├── CMSIS
│ ├── system_stm32g0xx.c
│ └── startup_stm32g071xx.s
├── SYS
│ ├── sys.c
│ ├── sys.h
│ ├── RCC.c
│ ├── RCC.h
│ ├── delay.c
│ ├── delay.h
│ ├── USART.c
│ ├── USART.h
│ ├── IO.c
│ ├── IO.h
│ ├── TIM.c
│ └── TIM.h
└── MCU_SDK
├── mcu_api.c
├── mcu_api.h
├── protocol.c
├── protocol.h
├── system.c
├── system.h
└── wifi.h
```
### Demo entry
Entry file：main.c
Important functions：main()
+ Initialize and configure MCU IO port, USART, timer, etc. All events are polled and judged in while(1)。
### DataPoint related
+ DP point processing: mcu_dp_value_update()
| function name | unsigned char mcu_dp_value_update(unsigned char dpid,unsigned long value) |
| ------------- | ------------------------------------------------------------ |
| dpid | DP ID number |
| value | DP data |
| Return | SUCCESS: Success ERROR: Failure |
### I/O List
| QMC5883L | UASRT1 |
| :----------: | :-----: |
| PB11 IIC_SDA | PC4 TXD |
| PB12 IIC_SCL | PC5 RXD |
## Related Documents
Tuya Demo Center: https://developer.tuya.com/demo/
## Technical Support
You can get support for Tuya by using the following methods:
- Developer Centre: https://developer.tuya.com/
- Help Centre: https://support.tuya.com/help
- Technical Support Work Order Centre: [https://service.console.tuya.com](https://service.console.tuya.com/)
QMC5883L 地磁计电子罗盘驱动程序，获取方位角
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2024-04-18
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QMC5883L 地磁计电子罗盘驱动程序，获取方位角 （127个子文件） 
test.uvguix.Administrator 178KB mcu_api.c 34KB protocol.c 32KB system.c 26KB system_stm32g0xx.c 10KB IO.c 5KB USART.c 2KB delay.c 1KB TIM.c 713B RCC.c 560B sys.c 364B main.c 172B io.crf 353KB tim.crf 347KB sys.crf 346KB usart.crf 335KB protocol.crf 335KB delay.crf 334KB rcc.crf 334KB main.crf 334KB mcu_api.crf 18KB system.crf 17KB mini-st.css 56KB sys.d 1KB io.d 1KB tim.d 1KB protocol.d 945B usart.d 920B main.d 872B delay.d 858B rcc.d 850B mcu_api.d 330B system.d 322B system_stm32g0xx.d 172B startup_stm32g071xx.d 103B test_Target 1.dep 12KB stm32g081xx.h 702KB stm32g071xx.h 681KB stm32g041xx.h 604KB stm32g031xx.h 583KB stm32g070xx.h 563KB stm32g030xx.h 542KB core_cm33.h 169KB core_armv8mml.h 162KB core_cm7.h 142KB core_cm4.h 119KB core_cm3.h 107KB core_sc300.h 106KB core_cm23.h 100KB core_armv8mbl.h 94KB cmsis_gcc.h 59KB cmsis_armclang.h 53KB core_cm0plus.h 48KB core_sc000.h 45KB core_cm1.h 41KB core_cm0.h 40KB cmsis_iccarm.h 27KB protocol.h 27KB cmsis_armcc.h 27KB mcu_api.h 14KB mpu_armv7.h 11KB mpu_armv8.h 10KB system.h 10KB cmsis_compiler.h 9KB wifi.h 6KB stm32g0xx.h 5KB IO.h 4KB tz_context.h 3KB system_stm32g0xx.h 2KB cmsis_version.h 2KB USART.h 250B delay.h 192B MY_ST_config.h 179B TIM.h 122B sys.h 118B RCC.h 101B test.build_log.htm 2KB stm32g031xx_flash.icf 1KB stm32g070xx_flash.icf 1KB stm32g071xx_flash.icf 1KB stm32g081xx_flash.icf 1KB stm32g041xx_flash.icf 1KB stm32g030xx_flash.icf 1KB stm32g071xx_sram.icf 1KB stm32g041xx_sram.icf 1KB stm32g031xx_sram.icf 1KB stm32g070xx_sram.icf 1KB stm32g030xx_sram.icf 1KB stm32g081xx_sram.icf 1KB startup_stm32g071xx.lst 38KB VERSION.md 5KB README.md 3KB README_zh.md 2KB io.o 400KB tim.o 380KB sys.o 376KB usart.o 371KB protocol.o 369KB delay.o 365KB main.o 362KB共 127 条
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