[add] spi loopback test case.

bsp/stm32/stm32mp157a-st-ev1/board/CubeMX_Config/CM4/Src/stm32mp1xx_hal_msp.c

@@ -517,17 +517,17 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
 {
   GPIO_InitTypeDef GPIO_InitStruct = {0};
   RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
-  if(hspi->Instance==SPI5)
+  if(hspi->Instance==SPI1)
   {
-  /* USER CODE BEGIN SPI5_MspInit 0 */
+  /* USER CODE BEGIN SPI1_MspInit 0 */
 
-  /* USER CODE END SPI5_MspInit 0 */
+  /* USER CODE END SPI1_MspInit 0 */
   if(IS_ENGINEERING_BOOT_MODE())
   {
   /** Initializes the peripherals clock 
   */
-    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_SPI45;
-    PeriphClkInit.Spi45ClockSelection = RCC_SPI45CLKSOURCE_PCLK2;
+    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_SPI1;
+    PeriphClkInit.Spi1ClockSelection = RCC_SPI1CLKSOURCE_PLL4;
     if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
     {
       Error_Handler();
@@ -536,19 +536,20 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
   }
 
     /* Peripheral clock enable */
-    __HAL_RCC_SPI5_CLK_ENABLE();
+    __HAL_RCC_SPI1_CLK_ENABLE();
   
-    __HAL_RCC_GPIOF_CLK_ENABLE();
-    /**SPI5 GPIO Configuration    
-    PF9     ------> SPI5_MOSI
-    PF7     ------> SPI5_SCK 
+    __HAL_RCC_GPIOZ_CLK_ENABLE();
+    /**SPI1 GPIO Configuration    
+    PZ2      ------> SPI1_MOSI
+    PZ1      ------> SPI1_MISO
+    PZ0      ------> SPI1_SCK
     */
-    GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_7;
+    GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
-    GPIO_InitStruct.Alternate = GPIO_AF5_SPI5;
-    HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
+    GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
+    HAL_GPIO_Init(GPIOZ, &GPIO_InitStruct);
 
   /* USER CODE BEGIN SPI5_MspInit 1 */
 

bsp/stm32/stm32mp157a-st-ev1/board/SConscript

@@ -13,6 +13,9 @@ CubeMX_Config/Common/System/system_stm32mp1xx.c
 CubeMX_Config/CM4/Src/stm32mp1xx_hal_msp.c
 ''')
 
+if GetDepend(['BSP_USING_SPI1']):
+    src += Glob('ports/spi_sample.c')
+
 if GetDepend(['BSP_USING_PMIC']):
     src += Glob('ports/drv_pmic.c')
 
@@ -55,6 +58,9 @@ if GetDepend(['BSP_USING_DFSDM']):
 if GetDepend(['BSP_USING_WWDG']):
     src += Glob('ports/drv_wwdg.c')
 
+if GetDepend(['BSP_USING_EXTI']):
+    src += Glob('ports/drv_exti.c')
+
 if GetDepend(['BSP_USING_OPENAMP']):
     src +=  Glob('CubeMX_Config/CM4/Src/ipcc.c')
     src +=  Glob('CubeMX_Config/CM4/Src/openamp.c')

bsp/stm32/stm32mp157a-st-ev1/board/ports/spi_sample.c

+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-09-15     thread-liu   first version
+ */
+
+#include "board.h"
+
+#if defined(BSP_USING_SPI1)
+#include <drv_spi.h>
+
+#define SPI_NAME            "spi1"
+#define SPI_DEVICE_NAME     "spi10"
+static struct rt_spi_device *spi_dev = RT_NULL;
+
+/* attach spi1 device */
+static int rt_spi_device_init(void)
+{
+    struct rt_spi_configuration cfg;
+
+    rt_hw_spi_device_attach(SPI_NAME, SPI_DEVICE_NAME, NULL, NULL);
+
+    cfg.data_width = 8;
+    cfg.mode   = RT_SPI_MASTER | RT_SPI_MODE_0 | RT_SPI_MSB | RT_SPI_NO_CS;
+    cfg.max_hz = 1 *1000 *1000;
+
+    spi_dev = (struct rt_spi_device *)rt_device_find(SPI_DEVICE_NAME);
+    
+    if (RT_NULL == spi_dev)
+    {
+        rt_kprintf("spi sample run failed! can't find %s device!\n", SPI_NAME);
+        return RT_ERROR;
+    }
+    
+    rt_spi_configure(spi_dev, &cfg);
+    
+    return RT_EOK;
+}
+INIT_APP_EXPORT(rt_spi_device_init);
+
+/* spi5 loopback mode test case */
+static int spi_sample(int argc, char **argv)
+{
+    rt_uint8_t t_buf[8], r_buf[8];     
+    int i = 0; 
+    static struct rt_spi_message msg1;
+    
+    if (argc != 9)
+    {
+        rt_kprintf("Usage:\n");
+        rt_kprintf("spi_sample 1 2 3 4 5 6 7 8\n");
+        return -RT_ERROR;
+    }
+    
+    for (i = 0; i < 8; i++)
+    {
+        t_buf[i] = atoi(argv[i+1]);
+    }
+    
+    msg1.send_buf   = &t_buf;
+    msg1.recv_buf   = &r_buf;
+    msg1.length     = sizeof(t_buf);
+    msg1.cs_take    = 1;
+    msg1.cs_release = 0;
+    msg1.next       = RT_NULL;
+
+    rt_spi_transfer_message(spi_dev, &msg1);
+
+    rt_kprintf("spi rbuf : ");
+    for (i = 0; i < sizeof(t_buf); i++)
+    {
+        rt_kprintf("%x ", r_buf[i]);
+    }
+
+    rt_kprintf("\nspi loopback mode test over!\n");
+
+    return RT_EOK;
+}
+MSH_CMD_EXPORT(spi_sample, spi loopback test);
+
+#endif /* BSP_USING_SPI5 */