diff --git a/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/README_zh.md b/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/README_zh.md new file mode 100644 index 0000000000000000000000000000000000000000..c190a1f3e7949dfd178a601e30570a524aed97a8 --- /dev/null +++ b/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/README_zh.md @@ -0,0 +1,76 @@ +# STM32F410 Nucleo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 + +STM32F410 Nucleo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的编程习惯来操作本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： + +``` +Hardware Drivers Config ---> + Onboard Peripheral Drivers ---> + [*] Compatible with Arduino Ecosystem (RTduino) +``` + +## 2 Arduino引脚排布 + +![nucleo-f401-pinout](nucleo-f410-pinout.png) + +该BSP遵照Arduino UNO板的引脚排列方式，详见 [pins_arduino.c](https://github.com/RT-Thread/rt-thread/blob/master/bsp/stm32/stm32f401-st-nucleo/applications/arduino_pinout/pins_arduino.c) 和 [pins_arduino.h](https://github.com/RT-Thread/rt-thread/blob/master/bsp/stm32/stm32f401-st-nucleo/applications/arduino_pinout/pins_arduino.h)。 + +| Arduino引脚编号 | STM32引脚编号 | 5V容忍 | 备注 | +| --------------- | ------------- | ------ | ------------------------------------------------------------ | +| 0 (D0) | PA3 | 是 | Serial-Rx，默认被RT-Thread的UART设备框架uart2接管 | +| 1 (D1) | PA2 | 是 | Serial-Tx，默认被RT-Thread的UART设备框架uart2接管 | +| 2 (D2) | PA10 | 是 | PWM1-CH3，默认被RT-Thread的PWM设备框架pwm1接管 | +| 3 (D3) | PB3 | 是 | | +| 4 (D4) | PB5 | 是 | | +| 5 (D5) | PB4 | 是 | | +| 6 (D6) | PB10 | 是 | | +| 7 (D7) | PA8 | 是 | | +| 8 (D8) | PA9 | 是 | PWM1-CH2，默认被RT-Thread的PWM设备框架pwm1接管 | +| 9 (D9) | PC7 | 是 | | +| 10 (D10) | PB6 | 是 | | +| 11 (D11) | PA7 | 是 | PWM1-CH1N，默认被RT-Thread的PWM设备框架pwm1接管 | +| 12 (D12) | PA6 | 是 | | +| 13 (D13, ) | PA5 | 是 | 板载用户LED | +| 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) | PC13 | 是 | 用户按键（左侧蓝色） | +| A0 | PA0 | 是 | ADC1-CH0，默认被RT-Thread的ADC设备框架adc1接管 | +| A1 | PA1 | 是 | ADC1-CH1，默认被RT-Thread的ADC设备框架adc1接管 | +| A2 | PA4 | 是 | ADC1-CH4，默认被RT-Thread的ADC设备框架adc1接管 | +| A3 | PB0 | 是 | ADC1-CH8，默认被RT-Thread的ADC设备框架adc1接管 | +| A4 | PC1 | 是 | ADC1-CH11，默认被RT-Thread的ADC设备框架adc1接管 | +| A5 | PC0 | 是 | ADC1-CH10，默认被RT-Thread的ADC设备框架adc1接管 | +| A6 | -- | | 芯片内部参考电压 ADC1-CH17，默认被RT-Thread的ADC设备框架adc1接管 | +| A7 | -- | | 芯片内部温度 ADC1-CH16，默认被RT-Thread的ADC设备框架adc1接管 | + +> 注意： +> +> 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。 +> 2. USART2是Nucleo板的默认串口，理论应对接到了Arduino引脚编号的D0和D1，但是其实际用于串口通信，因此不允许当做普通IO来使用和操作。如果需要将D0、D1与STM32 USART2的引脚相连，需要手动焊接锡桥SB62、SB63。 +> 3. Nucleo板的Arduino接口中AVDD（即AREF）默认是与VDD相连的，如果需要扩展板提供外部参考电压，需要将SB57锡桥挑开。 +> 4. D11引脚是PWM反相位引脚(互补输出引脚)，但是这里不用考虑到占空比互补问题（CHx-20%，CHxN-80%），直接正常使用即可。 + +> 参考资料 +> +> 1. [STM32 Nucleo-64板用户手册](https://www.st.com/resource/en/user_manual/um1724-stm32-nucleo64-boards-mb1136-stmicroelectronics.pdf) + +## 3 通信 + +### 3.1 I2C总线 + +STM32F410 Nucleo板的I2C总线是板上丝印的 `SCL/D15` 和 `SDA/D14` 引脚，这两个引脚是被RT-Thread I2C设备框架接管的，不需要直接操控这两个引脚，直接引用`#include `（Arduino官方I2C头文件）即可使用。 + +### 3.2 SPI总线 + +目前本BSP不支持使用Arduino的SPI功能。 + +### 3.3 串口 + +本BSP通过 `Serial.` 方法调用 `uart2` 串口设备。详见[例程](https://github.com/RTduino/RTduino/blob/master/examples/Basic/helloworld.cpp)。 \ No newline at end of file diff --git a/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/nucleo-f410-pinout.png b/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/nucleo-f410-pinout.png new file mode 100644 index 0000000000000000000000000000000000000000..51a6c838e46635fa8e8d8853d1d19f0fb1ce76d4 Binary files /dev/null and b/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/nucleo-f410-pinout.png differ diff --git a/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/pins_arduino.c b/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/pins_arduino.c index e5ce42dc48c544a85f10273100903956ca6671ed..20595f13ae9c0a9f404a8a9a25c6d32140869d4a 100644 --- a/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/pins_arduino.c +++ b/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/pins_arduino.c @@ -37,6 +37,7 @@ const pin_map_t pin_map_table[]= {D13, GET_PIN(A,5)}, /* LED_BUILTIN */ {D14, GET_PIN(B,9), "i2c1"}, /* I2C-SDA (Wire) */ {D15, GET_PIN(B,8), "i2c1"}, /* I2C-SCL (Wire) */ + {D16, GET_PIN(C,13)}, /* USER KEY */ {A0, GET_PIN(A,0), "adc1", 0}, /* ADC */ {A1, GET_PIN(A,1), "adc1", 1}, /* ADC */ {A2, GET_PIN(A,4), "adc1", 4}, /* ADC */ diff --git a/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/pins_arduino.h b/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/pins_arduino.h index d7f459e62eb69877e25e47135df83ed4f5dc7f19..80af6757262a4290f00a139169d23e7aaa6b60cc 100644 --- a/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/pins_arduino.h +++ b/bsp/stm32/stm32f410-st-nucleo/applications/arduino_pinout/pins_arduino.h @@ -28,14 +28,15 @@ #define D13 (13) #define D14 (14) #define D15 (15) -#define A0 (16) -#define A1 (17) -#define A2 (18) -#define A3 (19) -#define A4 (20) -#define A5 (21) -#define A6 (22) -#define A7 (23) +#define D16 (16) +#define A0 (17) +#define A1 (18) +#define A2 (19) +#define A3 (20) +#define A4 (21) +#define A5 (22) +#define A6 (23) +#define A7 (24) #define F_CPU 84000000L /* CPU:84MHz */