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@@ -12,6 +12,10 @@
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#include "pins_arduino.h"
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#include <drv_gpio.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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/*
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* {Arduino Pin, RT-Thread Pin [, Device Name, Channel]}
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* [] means optional
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@@ -51,3 +55,42 @@ const pin_map_t pin_map_table[]=
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{A6, RT_NULL, "adc1", RT_ADC_INTERN_CH_VREF}, /* ADC, On-Chip: internal reference voltage */
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{A7, RT_NULL, "adc1", RT_ADC_INTERN_CH_TEMPER}, /* ADC, On-Chip: internal temperature sensor */
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};
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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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+ GPIO_InitTypeDef GPIO_InitStruct = {0};
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+
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+ if(!rt_strcmp(bus_name, "spi2"))
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+ {
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+ __HAL_RCC_SPI2_CLK_ENABLE();
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+
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+ __HAL_RCC_GPIOD_CLK_ENABLE();
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+ __HAL_RCC_GPIOB_CLK_ENABLE();
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+
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+ HAL_GPIO_DeInit(GPIOD, GPIO_PIN_3);
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+ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_14 | GPIO_PIN_15);
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+
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+ /**SPI2 GPIO Configuration
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+ PD3 ------> SPI2_SCK
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+ PB14 ------> SPI2_MISO
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+ PB15 ------> SPI2_MOSI
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+ */
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+ GPIO_InitStruct.Pin = GPIO_PIN_3;
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+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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+ GPIO_InitStruct.Pull = GPIO_NOPULL;
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+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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+ GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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+ HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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+
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+ GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_15;
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+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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+ GPIO_InitStruct.Pull = GPIO_NOPULL;
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+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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+ GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
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+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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+
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+ LOG_I("D11, D12 and D13 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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