feat:[drivers][spi] reset the CS pin 调用位置更为合理

Author: wdfk-prog

components/drivers/include/drivers/dev_spi.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2023, RT-Thread Development Team
+ * Copyright (c) 2006-2024 RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

components/drivers/spi/dev_spi_core.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2023, RT-Thread Development Team
+ * Copyright (c) 2006-2024 RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -98,6 +98,18 @@ rt_err_t rt_spi_bus_configure(struct rt_spi_device *device)
         {
             if (device->bus->owner == device)
             {
+                /* reset the CS pin */
+                if (device->cs_pin != PIN_NONE)
+                {
+                    if (device->config.mode & RT_SPI_CS_HIGH)
+                    {
+                        rt_pin_write(device->cs_pin, PIN_LOW);
+                    }
+                    else
+                    {
+                        rt_pin_write(device->cs_pin, PIN_HIGH);
+                    }
+                }
                 /* current device is using, re-configure SPI bus */
                 result = device->bus->ops->configure(device, &device->config);
                 if (result != RT_EOK)
@@ -108,8 +120,8 @@ rt_err_t rt_spi_bus_configure(struct rt_spi_device *device)
             }
             else
             {
-                /* RT_EBUSY is not an error condition and 
-                 * the configuration will take effect once the device has the bus 
+                /* RT_EBUSY is not an error condition and
+                 * the configuration will take effect once the device has the bus
                  */
                 return -RT_EBUSY;
             }
@@ -132,15 +144,6 @@ rt_err_t rt_spi_configure(struct rt_spi_device        *device,
     RT_ASSERT(device != RT_NULL);
     RT_ASSERT(cfg != RT_NULL);
 
-    /* reset the CS pin */
-    if (device->cs_pin != PIN_NONE)
-    {
-        if (cfg->mode & RT_SPI_CS_HIGH)
-            rt_pin_write(device->cs_pin, PIN_LOW);
-        else
-            rt_pin_write(device->cs_pin, PIN_HIGH);
-    }
-
     /* If the configurations are the same, we don't need to set again. */
     if (device->config.data_width == cfg->data_width &&
         device->config.mode       == (cfg->mode & RT_SPI_MODE_MASK) &&