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bsp/stm32/stm32f103-blue-pill/applications/arduino_pinout/README.md
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# STM32F103 Blue-Pill开发板的Arduino生态兼容说明
# The Arduino Compatible of STM32 Blue Pill Board
## 1 RTduino - RT-Thread的Arduino生态兼容层
**English** | [中文](README_zh.md)
STM32F103 Blue-Pill开发板已经完整适配了[RTduino软件包](https://github.com/RTduino/RTduino)，即RT-Thread的Arduino生态兼容层。用户可以按照Arduino的编程习惯来操作该BSP，并且可以使用大量Arduino社区丰富的库，是对RT-Thread生态的极大增强。更多信息，请参见[RTduino软件包说明文档](https://github.com/RTduino/RTduino)。
## 1 RTduino - Arduino Ecosystem Compatibility Layer for RT-Thread
### 1.1 如何开启针对本BSP的Arduino生态兼容层
STM32 Blue Pill board has support [RTduino](https://github.com/RTduino/RTduino). Users can use Arduino APIs, third party libraries and programming method to program on Blue Pill board.
Env 工具下敲入 menuconfig 命令，或者 RT-Thread Studio IDE 下选择 RT-Thread Settings：
### 1.1 How to Enable RTduino
Please go to the [RTduino repository](https://github.com/RTduino/RTduino) to see the details.
```Kconfig
Hardware Drivers Config --->
......@@ -14,50 +16,62 @@ Hardware Drivers Config --->
[*] Support Arduino
```
## 2 Arduino引脚排布
## 2 Arduino Pinout
![blue-pill-f103-pinout](blue-pill-f103-pinout.png)
该BSP遵照Arduino UNO板的引脚排列方式，并扩展增加了Blue-pill自身的板载资源功能引脚。详见 `pins_arduino.c`
| Arduino引脚编号 | STM32引脚编号 | 5V容忍 | 备注 |
| ----------- | --------- | ---- | -------------------------------------------- |
| 0 (D0) | PB7 | 是 | |
| 1 (D1) | PB6 | 是 | |
| 2 (D2) | PB5 | 否 | PWM3-CH2，默认被RT-Thread的PWM设备框架pwm3接管 |
| 3 (D3) | PB4 | 是 | PWM3-CH1，默认被RT-Thread的PWM设备框架pwm3接管 |
| 4 (D4) | PB3 | 是 | PWM2-CH2，默认被RT-Thread的PWM设备框架pwm2接管 |
| 5 (D5) | PA15 | 是 | PWM2-CH1，默认被RT-Thread的PWM设备框架pwm2接管 |
| 6 (D6) | PA8 | 是 | |
| 7 (D7) | PB12 | 是 | |
| 8 (D8) | PC13 | 否 | |
| 9 (D9) | PC14 | 否 | |
| 10 (D10) | PC15 | 否 | |
| 11 (D11) | PA0 | 否 | |
| 12 (D12) | PB0 | 否 | PWM3-CH3，默认被RT-Thread的PWM设备框架pwm3接管 |
| 13 (D13) | PB1 | 否 | PWM3-CH4，默认被RT-Thread的PWM设备框架pwm3接管 |
| 14 (D14) | PB9 | 是 | I2C-SDA，默认被RT-Thread的I2C设备框架i2c1总线接管 |
| 15 (D15) | PB8 | 是 | I2C-SCL，默认被RT-Thread的I2C设备框架i2c1总线接管 |
| 16 (D16) | PA12 | 是 | USB-DP，默认被 [TinyUSB软件包](https://github.com/RT-Thread-packages/tinyusb) 接管|
| 17 (D17) | PA11 | 是 | USB-DM，默认被 [TinyUSB软件包](https://github.com/RT-Thread-packages/tinyusb) 接管|
| 18 (D18) | PA10 | 是 | UART1-RX，默认被RT-Thread的UART设备框架uart1接管 |
| 19 (D19) | PA9 | 是 | UART1-TX，默认被RT-Thread的UART设备框架uart1接管 |
| 20 (D20) | PA2 | 否 | UART2-TX，默认被RT-Thread的UART设备框架uart2接管 |
| 21 (D21) | PA3 | 否 | UART2-RX，默认被RT-Thread的UART设备框架uart2接管 |
| 22 (D22) | PB10 | 是 | UART3-TX，默认被RT-Thread的UART设备框架uart3接管 |
| 23 (D23) | PB11 | 是 | UART3-RX，默认被RT-Thread的UART设备框架uart3接管 |
| 24 (D24) | PB15 | 是 | SPI-MOSI，默认被RT-Thread的SPI设备框架spi2接管 |
| 25 (D25) | PB14 | 是 | SPI-MISO，默认被RT-Thread的SPI设备框架spi2接管 |
| 26 (D26) | PB13 | 是 | SPI-SCK ，默认被RT-Thread的SPI设备框架spi2接管 |
| 27 (A0) | PA1 | 否 | ADC1-CH1，默认被RT-Thread的ADC设备框架adc1接管 |
| 28 (A1) | PA4 | 否 | ADC1-CH4，默认被RT-Thread的ADC设备框架adc1接管 |
| 29 (A2) | PA5 | 否 | ADC1-CH5，默认被RT-Thread的ADC设备框架adc1接管 |
| 30 (A3) | PA6 | 否 | ADC1-CH6，默认被RT-Thread的ADC设备框架adc1接管 |
| 31 (A4) | PA7 | 否 | ADC1-CH7，默认被RT-Thread的ADC设备框架adc1接管 |
| 32 (A5) | -- | | 芯片内部参考电压 ADC |
| 33 (A6) | -- | | 芯片内部温度 ADC |
> 注意：
| Arduino Pin | STM32 Pin | 5V Tolerate | 备注 |
| ----------- | --------- | ----------- | ----------------------------------------------------------------------------------------------------------- |
| 0 (D0) | PB7 | Yes | |
| 1 (D1) | PB6 | Yes | |
| 2 (D2) | PB5 | No | PWM3-CH2. Token over by RT-Thread PWM device by default |
| 3 (D3) | PB4 | Yes | PWM3-CH1. Token over by RT-Thread PWM device by default |
| 4 (D4) | PB3 | Yes | PWM2-CH2. Token over by RT-Thread PWM device by default |
| 5 (D5) | PA15 | Yes | PWM2-CH1. Token over by RT-Thread PWM device by default |
| 6 (D6) | PA8 | Yes | |
| 7 (D7) | PB12 | Yes | |
| 8 (D8) | PC13 | No | |
| 9 (D9) | PC14 | No | |
| 10 (D10) | PC15 | No | |
| 11 (D11) | PA0 | No | |
| 12 (D12) | PB0 | No | PWM3-CH3. Token over by RT-Thread PWM device by default |
| 13 (D13) | PB1 | No | PWM3-CH4. Token over by RT-Thread PWM device by default |
| 14 (D14) | PB9 | Yes | I2C-SDA. Token over by RT-Thread I2C device by default |
| 15 (D15) | PB8 | Yes | I2C-SCL. Token over by RT-Thread I2C device by default |
| 16 (D16) | PA12 | Yes | USB-DP. Token over by RT-Thread [TinyUSB](https://github.com/RT-Thread-packages/tinyusb) device by default. |
| 17 (D17) | PA11 | Yes | USB-DM. Token over by RT-Thread [TinyUSB](https://github.com/RT-Thread-packages/tinyusb) device by default. |
| 18 (D18) | PA10 | Yes | UART1-RX. Token over by RT-Thread UART device by default |
| 19 (D19) | PA9 | Yes | UART1-TX. Token over by RT-Thread UART device by default |
| 20 (D20) | PA2 | No | UART2-TX. Token over by RT-Thread UART device by default |
| 21 (D21) | PA3 | No | UART2-RX. Token over by RT-Thread UART device by default |
| 22 (D22) | PB10 | Yes | UART3-TX. Token over by RT-Thread UART device by default |
| 23 (D23) | PB11 | Yes | UART3-RX. Token over by RT-Thread UART device by default |
| 24 (D24) | PB15 | Yes | SPI-MOSI. Token over by RT-Thread SPI device by default |
| 25 (D25) | PB14 | Yes | SPI-MISO. Token over by RT-Thread SPI device by default |
| 26 (D26) | PB13 | Yes | SPI-SCK. Token over by RT-Thread SPI device by default |
| 27 (A0) | PA1 | No | ADC1-CH1. Token over by RT-Thread ADC device by default |
| 28 (A1) | PA4 | No | ADC1-CH4. Token over by RT-Thread ADC device by default |
| 29 (A2) | PA5 | No | ADC1-CH5. Token over by RT-Thread ADC device by default |
| 30 (A3) | PA6 | No | ADC1-CH6. Token over by RT-Thread ADC device by default |
| 31 (A4) | PA7 | No | ADC1-CH7. Token over by RT-Thread ADC device by default |
| 32 (A5) | -- | | ADC of chip internal reference voltage. Token over by RT-Thread ADC device by default |
| 33 (A6) | -- | | ADC of chip internal temperature. Token over by RT-Thread ADC device by default |
> Note:
>
> 1. 驱动舵机和analogWrite函数要选择不同定时器发生的PWM信号引脚，由于STM32的定时器4个通道需要保持相同的频率，如果采用相同的定时器发生的PWM分别驱动舵机和analogWrite，可能会导致舵机失效。
> 1. If you drive the servo and call the analogWrite function at the same time, you need to select the PWM signal pins generated by different timers. Since the 4 channels of the STM32 timer need to maintain the same frequency, if the PWM generated by the same timer is used to drive the servo and analogWrite respectively , it may cause the servo to fail.
> 2. More information about Arduino pinout, please see [pins_arduino.c](pins_arduino.c) and [pins_arduino.h](pins_arduino.h)
## 3 Communication
### 3.1 I2C Bus
I2C bus is `D14` and `D15` pins. Users can directly include the `#include <Wire.h>`, which is the Arduino official I2C header file, to use the I2C bus.
### 3.2 SPI Bus
SPI bus is `D24`, `D25` and `D26` pins. Users can directly include the `#include <SPI.h>`, which is the Arduino official SPI header file, to use the SPI bus. In addition, chip select pin (SS) also is used, which is `D7` by default.
### 3.3 USB
This board supports USB virtual COM by default. See [example](https://github.com/RTduino/RTduino/tree/master/examples/USBSerial).
bsp/stm32/stm32f103-blue-pill/applications/arduino_pinout/README_zh.md 0 → 100644
浏览文件 @ 09e29c4d
# STM32F103 Blue-Pill开发板的Arduino生态兼容说明
[English](README.md) | **中文**
## 1 RTduino - RT-Thread的Arduino生态兼容层
STM32F103 Blue-Pill开发板已经完整适配了[RTduino软件包](https://github.com/RTduino/RTduino)，即RT-Thread的Arduino生态兼容层。用户可以按照Arduino的编程习惯来操作该BSP，并且可以使用大量Arduino社区丰富的库，是对RT-Thread生态的极大增强。更多信息，请参见[RTduino软件包说明文档](https://github.com/RTduino/RTduino)。
### 1.1 如何开启针对本BSP的Arduino生态兼容层
Env 工具下敲入 menuconfig 命令，或者 RT-Thread Studio IDE 下选择 RT-Thread Settings：
```Kconfig
Hardware Drivers Config --->
Onboard Peripheral Drivers --->
[*] Support Arduino
```
## 2 Arduino引脚排布
![blue-pill-f103-pinout](blue-pill-f103-pinout.png)
| Arduino引脚编号 | STM32引脚编号 | 5V容忍 | 备注 |
| ----------- | --------- | ---- | ------------------------------------------------------------------------- |
| 0 (D0) | PB7 | 是 | |
| 1 (D1) | PB6 | 是 | |
| 2 (D2) | PB5 | 否 | PWM3-CH2，默认被RT-Thread的PWM设备框架pwm3接管 |
| 3 (D3) | PB4 | 是 | PWM3-CH1，默认被RT-Thread的PWM设备框架pwm3接管 |
| 4 (D4) | PB3 | 是 | PWM2-CH2，默认被RT-Thread的PWM设备框架pwm2接管 |
| 5 (D5) | PA15 | 是 | PWM2-CH1，默认被RT-Thread的PWM设备框架pwm2接管 |
| 6 (D6) | PA8 | 是 | |
| 7 (D7) | PB12 | 是 | |
| 8 (D8) | PC13 | 否 | |
| 9 (D9) | PC14 | 否 | |
| 10 (D10) | PC15 | 否 | |
| 11 (D11) | PA0 | 否 | |
| 12 (D12) | PB0 | 否 | PWM3-CH3，默认被RT-Thread的PWM设备框架pwm3接管 |
| 13 (D13) | PB1 | 否 | PWM3-CH4，默认被RT-Thread的PWM设备框架pwm3接管 |
| 14 (D14) | PB9 | 是 | I2C-SDA，默认被RT-Thread的I2C设备框架i2c1总线接管 |
| 15 (D15) | PB8 | 是 | I2C-SCL，默认被RT-Thread的I2C设备框架i2c1总线接管 |
| 16 (D16) | PA12 | 是 | USB-DP，默认被 [TinyUSB软件包](https://github.com/RT-Thread-packages/tinyusb) 接管 |
| 17 (D17) | PA11 | 是 | USB-DM，默认被 [TinyUSB软件包](https://github.com/RT-Thread-packages/tinyusb) 接管 |
| 18 (D18) | PA10 | 是 | UART1-RX，默认被RT-Thread的UART设备框架uart1接管 |
| 19 (D19) | PA9 | 是 | UART1-TX，默认被RT-Thread的UART设备框架uart1接管 |
| 20 (D20) | PA2 | 否 | UART2-TX，默认被RT-Thread的UART设备框架uart2接管 |
| 21 (D21) | PA3 | 否 | UART2-RX，默认被RT-Thread的UART设备框架uart2接管 |
| 22 (D22) | PB10 | 是 | UART3-TX，默认被RT-Thread的UART设备框架uart3接管 |
| 23 (D23) | PB11 | 是 | UART3-RX，默认被RT-Thread的UART设备框架uart3接管 |
| 24 (D24) | PB15 | 是 | SPI-MOSI，默认被RT-Thread的SPI设备框架spi2接管 |
| 25 (D25) | PB14 | 是 | SPI-MISO，默认被RT-Thread的SPI设备框架spi2接管 |
| 26 (D26) | PB13 | 是 | SPI-SCK ，默认被RT-Thread的SPI设备框架spi2接管 |
| 27 (A0) | PA1 | 否 | ADC1-CH1，默认被RT-Thread的ADC设备框架adc1接管 |
| 28 (A1) | PA4 | 否 | ADC1-CH4，默认被RT-Thread的ADC设备框架adc1接管 |
| 29 (A2) | PA5 | 否 | ADC1-CH5，默认被RT-Thread的ADC设备框架adc1接管 |
| 30 (A3) | PA6 | 否 | ADC1-CH6，默认被RT-Thread的ADC设备框架adc1接管 |
| 31 (A4) | PA7 | 否 | ADC1-CH7，默认被RT-Thread的ADC设备框架adc1接管 |
| 32 (A5) | -- | | 芯片内部参考电压 ADC，默认被RT-Thread的ADC设备框架adc1接管 |
| 33 (A6) | -- | | 芯片内部温度 ADC |
> 注意：
>
> 1. 如果同时驱动舵机和调度analogWrite函数要选择不同定时器发生的PWM信号引脚，由于STM32的定时器4个通道需要保持相同的频率，如果采用相同的定时器发生的PWM分别驱动舵机和analogWrite，可能会导致舵机失效。
> 2. 更多引脚布局相关信息参见 [pins_arduino.c](pins_arduino.c) 和 [pins_arduino.h](pins_arduino.h)
## 3 通信
### 3.1 I2C (Wire.h)
I2C总线是 `D14` 和 `D15` 引脚，这两个引脚默认是被RT-Thread I2C设备框架接管的，直接引用`#include <Wire.h>`（Arduino官方I2C头文件）即可使用。
### 3.2 SPI
SPI总线是 `D24` 、`D25` 和 `D26` 引脚，这三个引脚默认是被RT-Thread SPI设备框架接管的，直接引用`#include <SPI.h>`（Arduino官方SPI头文件）即可使用。此外，还使用到了片选引脚(SS)，默认为 `D7`。
### 3.3 USB
默认支持USB虚拟串口，详见[例程](https://github.com/RTduino/RTduino/tree/master/examples/USBSerial)。
bsp/stm32/stm32f103-blue-pill/applications/arduino_pinout/pins_arduino.c
浏览文件 @ 09e29c4d
......@@ -12,7 +12,7 @@
#include "pins_arduino.h"
/*
{Arduino Pin, RT-Thread Pin [, Device Name(PWM or ADC), Channel]}
{Arduino Pin, RT-Thread Pin [, Device Name, Channel]}
[] means optional
Digital pins must NOT give the device name and channel.
Analog pins MUST give the device name and channel(ADC, PWM or DAC).
......
bsp/stm32/stm32f103-blue-pill/applications/arduino_pinout/pins_arduino.h
浏览文件 @ 09e29c4d
......@@ -50,21 +50,16 @@
#define F_CPU 72000000L /* CPU: 72MHz */
#define LED_BUILTIN D8 /* Default Built-in LED */
/*
* i2c1 - PB9-SDA PB8-SCL
*/
/* i2c1 - PB9-SDA PB8-SCL */
#define RTDUINO_DEFAULT_IIC_BUS_NAME "i2c1"
/*
* uart2 - PA2-TX PA3-RX
* uart3 - PB10-TX PB11-RX
*/
/* uart2 - PA2-TX PA3-RX */
#define RTDUINO_SERIAL2_DEVICE_NAME "uart2"
/* uart3 - PB10-TX PB11-RX */
#define RTDUINO_SERIAL3_DEVICE_NAME "uart3"
/*
* spi2 - PB13-SCK PB14-MISO PB15-MOSI
*/
/* spi2 - PB13-SCK PB14-MISO PB15-MOSI */
#define SS D7 /* Chip select pin of default spi */
#define RTDUINO_DEFAULT_SPI_BUS_NAME "spi2"
......
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