87 lines
3.3 KiB
C
87 lines
3.3 KiB
C
/*
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* Copyright (c) 2006-2024, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2024-01-25 ShichengChu first version
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*/
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#include <Arduino.h>
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#include <board.h>
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#include "pins_arduino.h"
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#include <pico/stdlib.h>
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#include <hardware/spi.h>
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#include <hardware/gpio.h>
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#include <pico/binary_info.h>
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#define DBG_TAG "RTduino.pins_arduino"
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#define DBG_LVL DBG_INFO
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#include <rtdbg.h>
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/*
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* {Arduino Pin, RT-Thread Pin [, Device Name, Channel]}
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* [] means optional
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* Digital pins must NOT give the device name and channel.
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* Analog pins MUST give the device name and channel(ADC, PWM or DAC).
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* Arduino Pin must keep in sequence.
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*/
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const pin_map_t pin_map_table[]=
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{
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{D0, 0, "uart0"}, /* Serial-TX */
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{D1, 1, "uart0"}, /* Serial-RX */
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{D2, 2},
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{D3, 3},
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{D4, 4, "i2c0"}, /* I2C-SDA (Wire) */
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{D5, 5, "i2c0"}, /* I2C-SCL (Wire) */
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{D6, 6},
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{D7, 7},
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{D8, 8, "uart1"}, /* Serial2-TX */
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{D9, 9, "uart1"}, /* Serial2-RX */
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{D10, 10, "pwm5", 0}, /* PWM */
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{D11, 11, "pwm5", 1}, /* PWM */
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{D12, 12, "pwm6", 0}, /* PWM */
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{D13, 13, "pwm6", 1}, /* PWM */
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{D14, 14, "pwm7", 0}, /* PWM */
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{D15, 15, "pwm7", 1}, /* PWM */
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{D16, 16, "pwm0", 0}, /* PWM */
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{D17, 17, "pwm0", 1}, /* PWM */
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{D18, 18, "pwm1", 0}, /* PWM */
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{D19, 19, "pwm1", 1}, /* PWM */
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{D20, 20, "pwm2", 0}, /* PWM */
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{D21, 21, "pwm2", 1}, /* PWM */
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{D22, 22, "pwm3", 0}, /* PWM */
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{D23, 23, "pwm3", 1}, /* PWM */
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{D24, 24, "pwm4", 0}, /* PWM */
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{D25, 25, "pwm4", 1}, /* LED_BUILTIN */
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{A0, 26, "adc0", 0}, /* ADC */
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{A1, 27, "adc1", 1}, /* ADC */
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{A2, 28, "adc2", 2}, /* ADC */
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};
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#ifdef RTDUINO_USING_SPI
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void switchToSPI(const char *bus_name)
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{
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if(!rt_strcmp(bus_name, "spi0"))
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{
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/**SPI0 GPIO Configuration
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18u ------> SPI0_SCK
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16u ------> SPI0_MISO
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19u ------> SPI0_MOSI
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17u ------> SPI0_CS
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*/
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gpio_set_function(BSP_SPI0_SCK_PIN, GPIO_FUNC_SPI);
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gpio_set_function(BSP_SPI0_MISO_PIN, GPIO_FUNC_SPI);
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gpio_set_function(BSP_SPI0_MOSI_PIN, GPIO_FUNC_SPI);
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gpio_init(BSP_SPI0_CS_PIN);
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// Make the SPI pins available to picotool
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bi_decl(bi_3pins_with_func(BSP_SPI0_MISO_PIN, BSP_SPI0_MOSI_PIN, BSP_SPI0_SCK_PIN, GPIO_FUNC_SPI));
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// Make the CS pin available to picotool
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bi_decl(bi_1pin_with_name(BSP_SPI0_CS_PIN, "SPI CS"));
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LOG_I("D16, D17, D18 and D19 will switch from PWM to SPI");
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}
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}
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#endif /* RTDUINO_USING_SPI */
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