[bsp][stm32f072-nucleo][RTduino] support SPI

bsp/stm32/stm32f072-st-nucleo/applications/arduino_pinout/pins_arduino.c

@@ -12,6 +12,10 @@
 #include "pins_arduino.h"
 #include <drv_gpio.h>
 
+#define DBG_TAG    "RTduino.pins_arduino"
+#define DBG_LVL    DBG_INFO
+#include <rtdbg.h>
+
 /*
  * {Arduino Pin, RT-Thread Pin [, Device Name, Channel]}
  * [] means optional
@@ -47,3 +51,32 @@ const pin_map_t pin_map_table[]=
     {A6, RT_NULL, "adc1", RT_ADC_INTERN_CH_VREF},   /* ADC, On-Chip: internal reference voltage */
     {A7, RT_NULL, "adc1", RT_ADC_INTERN_CH_TEMPER}, /* ADC, On-Chip: internal temperature sensor */
 };
+
+#ifdef RTDUINO_USING_SPI
+void switchToSPI(const char *bus_name)
+{
+    GPIO_InitTypeDef GPIO_InitStruct = {0};
+
+    if(!rt_strcmp(bus_name, "spi1"))
+    {
+        __HAL_RCC_SPI1_CLK_ENABLE();
+        __HAL_RCC_GPIOA_CLK_ENABLE();
+
+        HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7);
+
+        /**SPI1 GPIO Configuration
+        PA5     ------> SPI1_SCK
+        PA6     ------> SPI1_MISO
+        PA7     ------> SPI1_MOSI
+        */
+        GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
+        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+        GPIO_InitStruct.Alternate = GPIO_AF0_SPI1;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+        LOG_I("D11, D12 and D13 will switch from PWM to SPI");
+    }
+}
+#endif /* RTDUINO_USING_SPI */

bsp/stm32/stm32f072-st-nucleo/applications/arduino_pinout/pins_arduino.h

@@ -47,4 +47,7 @@
 /* i2c1 - PB9-SDA PB8-SCL */
 #define RTDUINO_DEFAULT_IIC_BUS_NAME    "i2c1"
 
+#define SS          D10
+#define RTDUINO_DEFAULT_SPI_BUS_NAME     "spi1"
+
 #endif /* Pins_Arduino_h */

bsp/stm32/stm32f072-st-nucleo/board/CubeMX_Config/Inc/stm32f0xx_hal_conf.h

@@ -48,7 +48,7 @@
 /*#define HAL_LPTIM_MODULE_ENABLED   */
 /*#define HAL_RNG_MODULE_ENABLED   */
 /*#define HAL_RTC_MODULE_ENABLED   */
-/*#define HAL_SPI_MODULE_ENABLED   */
+#define HAL_SPI_MODULE_ENABLED
 #define HAL_TIM_MODULE_ENABLED
 #define HAL_UART_MODULE_ENABLED
 /*#define HAL_USART_MODULE_ENABLED   */

bsp/stm32/stm32f072-st-nucleo/board/Kconfig

@@ -27,8 +27,13 @@ menu "Onboard Peripheral Drivers"
         select BSP_USING_PWM17_CH1
         select BSP_USING_I2C
         select BSP_USING_I2C1
+        select BSP_USING_SPI
+        select BSP_USING_SPI1
+        select BSP_SPI1_TX_USING_DMA
+        select BSP_SPI1_RX_USING_DMA
+        select RTDUINO_USING_WIRE
+        select RTDUINO_USING_SPI
         imply RTDUINO_USING_SERVO
-        imply RTDUINO_USING_WIRE
         default n
 
 endmenu