[bsp][stm32g474-nucleo][RTduino] support SPI

bsp/stm32/stm32g474-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_LOW;
+        GPIO_InitStruct.Alternate = GPIO_AF5_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/stm32g474-st-nucleo/applications/arduino_pinout/pins_arduino.h

@@ -47,6 +47,9 @@
 /* i2c1 : PB9-SDA PB8-SCL */
 #define RTDUINO_DEFAULT_IIC_BUS_NAME    "i2c1"
 
+#define SS          D10
+#define RTDUINO_DEFAULT_SPI_BUS_NAME     "spi1"
+
 /* Serial2 : PA9-TX  PA10-RX */
 #define RTDUINO_SERIAL2_DEVICE_NAME      "uart1"
 

bsp/stm32/stm32g474-st-nucleo/board/CubeMX_Config/Inc/stm32g4xx_hal_conf.h

@@ -60,7 +60,7 @@
 /*#define HAL_SAI_MODULE_ENABLED   */
 /*#define HAL_SMARTCARD_MODULE_ENABLED   */
 /*#define HAL_SMBUS_MODULE_ENABLED   */
-/*#define HAL_SPI_MODULE_ENABLED   */
+#define HAL_SPI_MODULE_ENABLED
 /*#define HAL_SRAM_MODULE_ENABLED   */
 #define HAL_TIM_MODULE_ENABLED
 #define HAL_UART_MODULE_ENABLED

bsp/stm32/stm32g474-st-nucleo/board/Kconfig

@@ -30,8 +30,13 @@ menu "Onboard Peripheral Drivers"
         select BSP_USING_PWM8_CH2
         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
 
@@ -146,6 +151,27 @@ menu "On-chip Peripheral Drivers"
 
         endif
 
+    menuconfig BSP_USING_SPI
+        bool "Enable SPI Bus"
+        default n
+        select RT_USING_SPI
+        if BSP_USING_SPI
+            config BSP_USING_SPI1
+                bool "Enable SPI1 Bus"
+                default n
+
+            config BSP_SPI1_TX_USING_DMA
+                bool "Enable SPI1 TX DMA"
+                depends on BSP_USING_SPI1
+                default n
+
+            config BSP_SPI1_RX_USING_DMA
+                bool "Enable SPI1 RX DMA"
+                depends on BSP_USING_SPI1
+                select BSP_SPI1_TX_USING_DMA
+                default n
+        endif
+
     menuconfig BSP_USING_I2C1
         bool "Enable I2C1 BUS (software simulation)"
         default n