1 /*
2 * Copyright (c) 2006-2023, RT-Thread Development Team
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Change Logs:
7 * Date Author Notes
8 * 2023-04-04 Wangyuqiang first version
9 */
10
11 #include <Arduino.h>
12 #include "pins_arduino.h"
13 #include <drv_gpio.h>
14
15 #define DBG_TAG "RTduino.pins_arduino"
16 #define DBG_LVL DBG_INFO
17 #include <rtdbg.h>
18
19 /*
20 * {Arduino Pin, RT-Thread Pin [, Device Name, Channel]}
21 * [] means optional
22 * Digital pins must NOT give the device name and channel.
23 * Analog pins MUST give the device name and channel(ADC, PWM or DAC).
24 * Arduino Pin must keep in sequence.
25 */
26 const pin_map_t pin_map_table[]=
27 {
28 {D0, GET_PIN(C,5)},
29 {D1, GET_PIN(C,4)},
30 {D2, GET_PIN(A,10), "uart1"}, /* Serial2-RX */
31 {D3, GET_PIN(B,3), "pwm2", 2}, /* PWM */
32 {D4, GET_PIN(B,5)},
33 {D5, GET_PIN(B,4), "pwm3", 1}, /* PWM */
34 {D6, GET_PIN(B,10), "pwm2", 3}, /* PWM */
35 {D7, GET_PIN(A,8)},
36 {D8, GET_PIN(A,9), "uart1"}, /* Serial2-TX */
37 {D9, GET_PIN(C,7), "pwm8", 2}, /* PWM */
38 {D10, GET_PIN(B,6), "pwm4", 1}, /* PWM */
39 {D11, GET_PIN(A,7), "pwm3", 2}, /* PWM */
40 {D12, GET_PIN(A,6)},
41 {D13, GET_PIN(A,5)}, /* LED_BUILTIN */
42 {D14, GET_PIN(B,9), "i2c1"}, /* I2C-SDA (Wire) */
43 {D15, GET_PIN(B,8), "i2c1"}, /* I2C-SCL (Wire) */
44 {D16, GET_PIN(C,13)},
45 {A0, GET_PIN(A,0), "adc1", 1}, /* ADC */
46 {A1, GET_PIN(A,1), "adc1", 2}, /* ADC */
47 {A2, GET_PIN(A,4), "adc2", 17}, /* ADC */
48 {A3, GET_PIN(B,0), "adc1", 15}, /* ADC */
49 {A4, GET_PIN(C,1), "adc1", 7}, /* ADC */
50 {A5, GET_PIN(C,0), "adc1", 6}, /* ADC */
51 {A6, RT_NULL, "adc1", RT_ADC_INTERN_CH_VREF}, /* ADC, On-Chip: internal reference voltage */
52 {A7, RT_NULL, "adc1", RT_ADC_INTERN_CH_TEMPER}, /* ADC, On-Chip: internal temperature sensor */
53 };
54
55 #ifdef RTDUINO_USING_SPI
switchToSPI(const char * bus_name)56 void switchToSPI(const char *bus_name)
57 {
58 GPIO_InitTypeDef GPIO_InitStruct = {0};
59
60 if(!rt_strcmp(bus_name, "spi1"))
61 {
62 __HAL_RCC_SPI1_CLK_ENABLE();
63 __HAL_RCC_GPIOA_CLK_ENABLE();
64
65 HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7);
66
67 /**SPI1 GPIO Configuration
68 PA5 ------> SPI1_SCK
69 PA6 ------> SPI1_MISO
70 PA7 ------> SPI1_MOSI
71 */
72 GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
73 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
74 GPIO_InitStruct.Pull = GPIO_NOPULL;
75 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
76 GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
77 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
78
79 LOG_I("D11, D12 and D13 will switch from PWM to SPI");
80 }
81 }
82 #endif /* RTDUINO_USING_SPI */
83