[driver][soft-spi] spi device driver framework adds pin init function function

为什么提交这份PR (why to submit this PR)
ps：在设备初始化阶段不应该存在对硬件的操作

你的解决方案是什么 (what is your solution)
ps：添加一个pin_init函数，在spi设备使用时调用该函数来完成硬件引脚的状态初始化，而不是在设备初始化阶段对硬件进行操作，已经在瑞萨HMI上通过验证

1 files changed, 14 insertions, 4 deletions

diff --git a/bsp/stm32/libraries/HAL_Drivers/drivers/drv_soft_spi.c b/bsp/stm32/libraries/HAL_Drivers/drivers/drv_soft_spi.c
index ad186e3bcd..6f36d5ad8e 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drivers/drv_soft_spi.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drivers/drv_soft_spi.c
@@ -28,6 +28,8 @@ static struct stm32_soft_spi_config soft_spi_config[] =
 #endif
 };
 
+static struct stm32_soft_spi spi_obj[sizeof(soft_spi_config) / sizeof(soft_spi_config[0])];
+
 /**
   * Attach the spi device to soft SPI bus, this function must be used after initialization.
   */
@@ -184,9 +186,20 @@ static void stm32_udelay(rt_uint32_t us)
     }
 }
 
+static void stm32_pin_init(void)
+{
+    rt_size_t obj_num = sizeof(spi_obj) / sizeof(struct stm32_soft_spi);
+
+    for(rt_size_t i; i < obj_num; i++)
+    {
+        stm32_spi_gpio_init(&spi_obj[i]);
+    }
+}
+
 static struct rt_spi_bit_ops stm32_soft_spi_ops =
     {
         .data = RT_NULL,
+        .pin_init = stm32_pin_init,
         .tog_sclk = stm32_tog_sclk,
         .set_sclk = stm32_set_sclk,
         .set_mosi = stm32_set_mosi,
@@ -200,21 +213,18 @@ static struct rt_spi_bit_ops stm32_soft_spi_ops =
         .delay_us = 1,
 };
 
-static struct stm32_soft_spi spi_obj[sizeof(soft_spi_config) / sizeof(soft_spi_config[0])];
-
 /* Soft SPI initialization function */
 int rt_hw_softspi_init(void)
 {
     rt_size_t obj_num = sizeof(spi_obj) / sizeof(struct stm32_soft_spi);
     rt_err_t result;
 
-    for (int i = 0; i < obj_num; i++)
+    for (rt_size_t i = 0; i < obj_num; i++)
     {
         memcpy(&spi_obj[i].ops, &stm32_soft_spi_ops, sizeof(struct rt_spi_bit_ops));
         spi_obj[i].ops.data = (void *)&soft_spi_config[i];
         spi_obj[i].spi.ops = &stm32_soft_spi_ops;
         spi_obj[i].cfg = (void *)&soft_spi_config[i];
-        stm32_spi_gpio_init(&spi_obj[i]);
         result = rt_spi_bit_add_bus(&spi_obj[i].spi, soft_spi_config[i].bus_name, &spi_obj[i].ops);
         RT_ASSERT(result == RT_EOK);
     }