[ch32v307]添加了硬件spi驱动 (#6654)

* 添加了硬件spi驱动

bsp/wch/risc-v/Libraries/ch32_drivers/drv_spi.c

+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-11-26     zhaohaisheng copy from sch and do some change
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "board.h"
+
+#ifdef BSP_USING_SPI
+
+#include "drv_spi.h"
+#include <string.h>
+
+#define DRV_DEBUG
+#define LOG_TAG              "drv.spi"
+#include <drv_log.h>
+
+enum
+{
+#ifdef BSP_USING_SPI1
+    SPI1_INDEX,
+#endif
+#ifdef BSP_USING_SPI2
+    SPI2_INDEX,
+#endif
+#ifdef BSP_USING_SPI3
+    SPI3_INDEX,
+#endif
+};
+
+static struct ch32_spi_config spi_config[] =
+{
+#ifdef BSP_USING_SPI1
+        {                                                       \
+            .Instance = SPI1,                                   \
+            .bus_name = "spi1",                                 \
+            .irq_type = SPI1_IRQn,                              \
+        },
+#endif
+
+#ifdef BSP_USING_SPI2
+        {                                                       \
+            .Instance = SPI2,                                   \
+            .bus_name = "spi2",                                 \
+            .irq_type = SPI2_IRQn,                              \
+        },
+#endif
+
+#ifdef BSP_USING_SPI3
+        {                                                       \
+            .Instance = SPI3,                                   \
+            .bus_name = "spi3",                                 \
+            .irq_type = SPI3_IRQn,                              \
+        }
+#endif
+};
+
+static struct ch32_spi spi_bus_obj[sizeof(spi_config) / sizeof(spi_config[0])] = {0};
+
+static rt_uint32_t ch32_spi_clock_get(SPI_TypeDef *spix);
+static void ch32_spi_clock_and_io_init(SPI_TypeDef *spix);
+static rt_uint8_t spix_ReadWriteByte(SPI_TypeDef *Instance, rt_uint8_t TxData);
+static rt_err_t spi_TransmitReceive(SPI_TypeDef *Instance, uint8_t *send_buf, uint8_t *recv_buf, uint16_t send_length);
+static rt_err_t spi_Transmit(SPI_TypeDef *Instance, uint8_t *send_buf, uint16_t send_length);
+static rt_err_t spi_Receive(SPI_TypeDef *Instance, uint8_t *recv_buf,uint16_t send_length);
+
+static void ch32_spi_clock_and_io_init(SPI_TypeDef *spix)
+{
+
+    GPIO_InitTypeDef GPIO_InitStructure;
+
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+
+    if (spix == SPI1)
+    {
+        RCC_APB2PeriphClockCmd( RCC_APB2Periph_SPI1|RCC_APB2Periph_GPIOA, ENABLE );
+        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
+        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+        GPIO_Init( GPIOA, &GPIO_InitStructure );
+
+        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
+        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+        GPIO_Init( GPIOA, &GPIO_InitStructure );
+
+        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
+        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+        GPIO_Init( GPIOA, &GPIO_InitStructure );
+    }
+
+    if (spix == SPI2)
+    {
+        RCC_APB1PeriphClockCmd( RCC_APB1Periph_SPI2, ENABLE );
+        RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB, ENABLE );
+
+        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
+        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+        GPIO_Init( GPIOB, &GPIO_InitStructure );
+
+        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;
+        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+        GPIO_Init( GPIOB, &GPIO_InitStructure );
+
+        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
+        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+        GPIO_Init( GPIOB, &GPIO_InitStructure );
+    }
+
+    if (spix == SPI3)
+    {
+        RCC_APB1PeriphClockCmd( RCC_APB1Periph_SPI3, ENABLE );
+        RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB, ENABLE );
+
+        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
+        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+        GPIO_Init( GPIOB, &GPIO_InitStructure );
+
+        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
+        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+        GPIO_Init( GPIOB, &GPIO_InitStructure );
+
+        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
+        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+        GPIO_Init( GPIOB, &GPIO_InitStructure );
+    }
+}
+
+static rt_uint32_t ch32_spi_clock_get(SPI_TypeDef *spix)
+{
+    RCC_ClocksTypeDef RCC_Clocks;
+
+    RCC_GetClocksFreq(&RCC_Clocks);
+
+    if (spix == SPI1)
+    {
+        return RCC_Clocks.PCLK2_Frequency;
+    }
+
+    if (spix == SPI2)
+    {
+        return RCC_Clocks.PCLK1_Frequency;
+    }
+
+    if (spix == SPI3)
+    {
+        return RCC_Clocks.PCLK1_Frequency;
+    }
+
+    return RCC_Clocks.PCLK2_Frequency;
+}
+
+/*
+ *spix read write byte
+ * */
+static rt_uint8_t spix_ReadWriteByte(SPI_TypeDef *Instance, rt_uint8_t TxData)
+{
+    uint8_t i=0;
+    while (SPI_I2S_GetFlagStatus(Instance, SPI_I2S_FLAG_TXE) == RESET)
+    {
+        i++;
+        if (i > 200) return 0;
+    }
+    SPI_I2S_SendData(Instance, TxData);
+
+    i=0;
+    while (SPI_I2S_GetFlagStatus(Instance, SPI_I2S_FLAG_RXNE) == RESET)
+    {
+        i++;
+        if(i > 200) return 0;
+    }
+    return SPI_I2S_ReceiveData(Instance);
+}
+
+/*
+ *spi transmit and receive
+ * */
+static rt_err_t spi_TransmitReceive(SPI_TypeDef *Instance, uint8_t *send_buf, uint8_t *recv_buf, uint16_t send_length)
+{
+    uint16_t i=0;
+    for(i = 0; i < send_length; i++)
+    {
+        recv_buf[i] = spix_ReadWriteByte(Instance, send_buf[i]);
+    }
+    return RT_EOK;
+}
+
+/*
+ *spi transmit
+ * */
+static rt_err_t spi_Transmit(SPI_TypeDef *Instance, uint8_t *send_buf, uint16_t send_length)
+{
+    uint16_t i=0;
+    for(i = 0; i < send_length; i++)
+    {
+        spix_ReadWriteByte(Instance, send_buf[i]);
+    }
+    return RT_EOK;
+}
+
+/*
+ *spi  receive
+ * */
+static rt_err_t spi_Receive(SPI_TypeDef *Instance, uint8_t *recv_buf,uint16_t send_length)
+{
+    uint16_t i=0;
+    for(i = 0; i < send_length; i++)
+    {
+        recv_buf[i] = spix_ReadWriteByte(Instance, 0xFF);  /*发送数据为0xff 此时显示为不发送*/
+    }
+    return RT_EOK;
+}
+
+static rt_err_t ch32_spi_init(struct ch32_spi *spi_drv, struct rt_spi_configuration *cfg)
+{
+    RT_ASSERT(spi_drv != RT_NULL);
+    RT_ASSERT(cfg != RT_NULL);
+
+    SPI_HandleTypeDef *spi_handle = &spi_drv->handle;
+
+
+    if (cfg->mode & RT_SPI_SLAVE)
+    {
+        spi_handle->Init.SPI_Mode = SPI_Mode_Slave;
+    }
+    else
+    {
+        spi_handle->Init.SPI_Mode = SPI_Mode_Master;
+    }
+
+    if (cfg->mode & RT_SPI_3WIRE)
+    {
+        spi_handle->Init.SPI_Direction = SPI_Direction_1Line_Rx;
+    }
+    else
+    {
+        spi_handle->Init.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
+    }
+
+    if (cfg->data_width <= 8)
+    {
+        spi_handle->Init.SPI_DataSize = SPI_DataSize_8b;
+        spi_handle->TxXferSize = 8;
+        spi_handle->RxXferSize = 8;
+    }
+    else if (cfg->data_width <= 16)
+    {
+        spi_handle->Init.SPI_DataSize = SPI_DataSize_16b;
+    }
+    else
+    {
+        return RT_EIO;
+    }
+
+    if (cfg->mode & RT_SPI_CPHA)
+    {
+        spi_handle->Init.SPI_CPHA = SPI_CPHA_2Edge;
+    }
+    else
+    {
+        spi_handle->Init.SPI_CPHA = SPI_CPHA_1Edge;
+    }
+
+    if (cfg->mode & RT_SPI_CPOL)
+    {
+       spi_handle->Init.SPI_CPOL = SPI_CPOL_High;
+    }
+    else
+    {
+        spi_handle->Init.SPI_CPOL = SPI_CPOL_Low;
+    }
+
+    spi_handle->Init.SPI_NSS = SPI_NSS_Soft;
+    //device is not RT_NULL, so spi_bus not need check
+    uint32_t SPI_APB_CLOCK;
+    ch32_spi_clock_and_io_init(spi_handle->Instance);
+    SPI_APB_CLOCK = ch32_spi_clock_get(spi_handle->Instance);
+
+    if (cfg->max_hz >= SPI_APB_CLOCK / 2)
+    {
+        spi_handle->Init.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
+    }
+    else if (cfg->max_hz >= SPI_APB_CLOCK / 4)
+    {
+        spi_handle->Init.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
+    }
+    else if (cfg->max_hz >= SPI_APB_CLOCK / 8)
+    {
+        spi_handle->Init.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;
+    }
+    else if (cfg->max_hz >= SPI_APB_CLOCK / 16)
+    {
+        spi_handle->Init.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_16;
+    }
+    else if (cfg->max_hz >= SPI_APB_CLOCK / 32)
+    {
+        spi_handle->Init.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_32;
+    }
+    else if (cfg->max_hz >= SPI_APB_CLOCK / 64)
+    {
+       spi_handle->Init.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_64;
+    }
+    else if (cfg->max_hz >= SPI_APB_CLOCK / 128)
+    {
+        spi_handle->Init.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_128;
+    }
+    else
+    {
+        /*  min prescaler 256 */
+        spi_handle->Init.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_256;
+    }
+     LOG_D("sys freq: %d, pclk2 freq: %d, SPI limiting freq: %d, BaudRatePrescaler: %d",
+         HAL_RCC_GetSysClockFreq(),
+         SPI_APB_CLOCK,
+         cfg->max_hz,
+         spi_handle->Init.SPI_BaudRatePrescaler);
+
+    if (cfg->mode & RT_SPI_MSB)
+    {
+       spi_handle->Init.SPI_FirstBit = SPI_FirstBit_MSB;
+    }
+    else
+    {
+        spi_handle->Init.SPI_FirstBit = SPI_FirstBit_LSB;
+    }
+
+    SPI_Init(spi_handle->Instance, &spi_handle->Init);
+    /* Enable SPI_MASTER */
+
+    SPI_Cmd(spi_handle->Instance, ENABLE);
+
+     LOG_D("%s init done", spi_drv->config->bus_name);
+
+    return RT_EOK;
+}
+
+static rt_err_t spi_configure(struct rt_spi_device *device,
+                              struct rt_spi_configuration *configuration)
+{
+    RT_ASSERT(device != RT_NULL);
+    RT_ASSERT(configuration != RT_NULL);
+    struct ch32_spi *spi_drv =  rt_container_of(device->bus, struct ch32_spi, spi_bus);
+    spi_drv->cfg = configuration;
+
+    return ch32_spi_init(spi_drv, configuration);
+}
+
+static rt_uint32_t spi_xfer(struct rt_spi_device *device, struct rt_spi_message *message)
+{
+    rt_err_t state;
+    rt_size_t message_length, already_send_length;
+    rt_uint16_t send_length;
+    rt_uint8_t *recv_buf;
+    const rt_uint8_t *send_buf;
+
+    RT_ASSERT(device != NULL);
+    RT_ASSERT(device->bus != RT_NULL);
+    RT_ASSERT(device->bus->parent.user_data != RT_NULL);
+    RT_ASSERT(message != NULL);
+
+    struct ch32_spi *spi_drv =  rt_container_of(device->bus, struct ch32_spi, spi_bus);
+    SPI_HandleTypeDef *spi_handle = &spi_drv->handle;
+
+    struct ch32_hw_spi_cs *cs = device->parent.user_data;
+    /* take CS */
+    if (message->cs_take && !(device->config.mode & RT_SPI_NO_CS))
+    {
+        if (device->config.mode & RT_SPI_CS_HIGH)
+            GPIO_WriteBit(cs->GPIOx, cs->GPIO_Pin, Bit_SET);
+        else
+            GPIO_WriteBit(cs->GPIOx, cs->GPIO_Pin, Bit_RESET);
+    }
+
+     LOG_D("%s transfer prepare and start", spi_drv->config->bus_name);
+     LOG_D("%s sendbuf: %X, recvbuf: %X, length: %d",
+           spi_drv->config->bus_name,
+           (uint32_t)message->send_buf,
+           (uint32_t)message->recv_buf, message->length);
+
+    message_length = message->length;
+    recv_buf = message->recv_buf;
+    send_buf = message->send_buf;
+
+    while (message_length)
+    {
+        /* the HAL library use uint16 to save the data length */
+        if (message_length > 65535)
+        {
+            send_length = 65535;
+            message_length = message_length - 65535;
+        }
+        else
+        {
+            send_length = message_length;
+            message_length = 0;
+        }
+
+        /* calculate the start address */
+        already_send_length = message->length - send_length - message_length;
+        send_buf = (rt_uint8_t *)message->send_buf + already_send_length;
+        recv_buf = (rt_uint8_t *)message->recv_buf + already_send_length;
+
+         /* start once data exchange */
+        if (message->send_buf && message->recv_buf)
+        {
+            state = spi_TransmitReceive(spi_handle->Instance, (uint8_t *)send_buf, (uint8_t *)recv_buf, send_length);
+        }
+        else if (message->send_buf)
+        {
+
+            state = spi_Transmit(spi_handle->Instance, (uint8_t *)send_buf, send_length);
+            if (message->cs_release && (device->config.mode & RT_SPI_3WIRE))
+            {
+                /* release the CS by disable SPI when using 3 wires SPI */
+                SPI_Cmd(spi_handle->Instance, DISABLE);
+            }
+        }
+        else
+        {
+            memset((uint8_t *)recv_buf, 0xff, send_length);
+            /* clear the old error flag */
+            SPI_I2S_ClearFlag(spi_handle->Instance, SPI_I2S_FLAG_OVR);
+            state = spi_Receive(spi_handle->Instance, (uint8_t *)recv_buf, send_length);
+        }
+
+        if (state != RT_EOK)
+        {
+             LOG_I("spi transfer error : %d", state);
+            message->length = 0;
+        }
+        else
+        {
+             LOG_D("%s transfer done", spi_drv->config->bus_name);
+        }
+
+    }
+    /* release CS */
+    if (message->cs_release && !(device->config.mode & RT_SPI_NO_CS))
+    {
+        if (device->config.mode & RT_SPI_CS_HIGH)
+            GPIO_WriteBit(cs->GPIOx, cs->GPIO_Pin, Bit_RESET);
+        else
+            GPIO_WriteBit(cs->GPIOx, cs->GPIO_Pin, Bit_SET);
+    }
+
+    return message->length;
+}
+
+static const struct rt_spi_ops ch32_spi_ops =
+{
+    .configure = spi_configure,
+    .xfer = spi_xfer,
+};
+
+static int rt_hw_spi_bus_init(void)
+{
+    rt_err_t result;
+
+    for (rt_size_t i = 0; i < sizeof(spi_config) / sizeof(spi_config[0]); i++)
+    {
+        spi_bus_obj[i].config = &spi_config[i];
+        spi_bus_obj[i].spi_bus.parent.user_data = &spi_config[i];
+        spi_bus_obj[i].handle.Instance = spi_config[i].Instance;
+
+        result = rt_spi_bus_register(&spi_bus_obj[i].spi_bus, spi_config[i].bus_name, &ch32_spi_ops);
+        RT_ASSERT(result == RT_EOK);
+
+         LOG_D("%s bus init done", spi_config[i].bus_name);
+    }
+
+    return result;
+}
+
+/**
+  * Attach the spi device to SPI bus, this function must be used after initialization.
+  */
+rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, GPIO_TypeDef *cs_gpiox, uint16_t cs_gpio_pin)
+{
+    RT_ASSERT(bus_name != RT_NULL);
+    RT_ASSERT(device_name != RT_NULL);
+
+    rt_err_t result;
+    struct rt_spi_device *spi_device;
+    struct ch32_hw_spi_cs *cs_pin;
+
+    /* initialize the cs pin && select the slave*/
+    GPIO_InitTypeDef GPIO_Initure;
+    GPIO_Initure.GPIO_Pin = cs_gpio_pin;
+    GPIO_Initure.GPIO_Mode = GPIO_Mode_Out_PP;
+    GPIO_Initure.GPIO_Speed = GPIO_Speed_50MHz;
+    GPIO_Init(cs_gpiox, &GPIO_Initure);
+    GPIO_WriteBit(cs_gpiox, cs_gpio_pin, Bit_SET);
+
+    /* attach the device to spi bus*/
+    spi_device = (struct rt_spi_device *)rt_malloc(sizeof(struct rt_spi_device));
+    RT_ASSERT(spi_device != RT_NULL);
+    cs_pin = (struct ch32_hw_spi_cs *)rt_malloc(sizeof(struct ch32_hw_spi_cs));
+    RT_ASSERT(cs_pin != RT_NULL);
+    cs_pin->GPIOx = cs_gpiox;
+    cs_pin->GPIO_Pin = cs_gpio_pin;
+    result = rt_spi_bus_attach_device(spi_device, device_name, bus_name, (void *)cs_pin);
+
+    if (result != RT_EOK)
+    {
+        LOG_E("%s attach to %s faild, %d\n", device_name, bus_name, result);
+    }
+
+    RT_ASSERT(result == RT_EOK);
+
+    LOG_D("%s attach to %s done", device_name, bus_name);
+
+    return result;
+}
+
+int rt_hw_spi_init(void)
+{
+    return rt_hw_spi_bus_init();
+}
+INIT_BOARD_EXPORT(rt_hw_spi_init);
+
+#endif /* BSP_USING_SPI  */

bsp/wch/risc-v/Libraries/ch32_drivers/drv_spi.h

+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-11-26     zhaohaisheng copy from sch and do some change
+ */
+
+#ifndef __DRV_SPI_H__
+#define __DRV_SPI_H__
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <rthw.h>
+
+#include "ch32v30x_rcc.h"
+#include "ch32v30x_gpio.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* ifdef __cplusplus */
+
+rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, GPIO_TypeDef* cs_gpiox, uint16_t cs_gpio_pin);
+
+#ifdef __cplusplus
+}
+#endif /* ifdef __cplusplus */
+
+struct ch32_hw_spi_cs
+{
+    GPIO_TypeDef* GPIOx;
+    uint16_t GPIO_Pin;
+};
+
+struct ch32_spi_config
+{
+    SPI_TypeDef *Instance;
+    char *bus_name;
+    IRQn_Type irq_type;
+
+};
+
+struct ch32_spi_device
+{
+    rt_uint32_t pin;
+    char *bus_name;
+    char *device_name;
+};
+
+typedef struct __SPI_HandleTypeDef
+{
+
+  SPI_TypeDef                *Instance;      /*!< SPI registers base address               */
+
+  SPI_InitTypeDef            Init;           /*!< SPI communication parameters             */
+
+  uint8_t                    *pTxBuffPtr;    /*!< Pointer to SPI Tx transfer Buffer        */
+
+  uint16_t                   TxXferSize;     /*!< SPI Tx Transfer size                     */
+
+  volatile uint16_t          TxXferCount;    /*!< SPI Tx Transfer Counter                  */
+
+  uint8_t                    *pRxBuffPtr;    /*!< Pointer to SPI Rx transfer Buffer        */
+
+  uint16_t                   RxXferSize;     /*!< SPI Rx Transfer size                     */
+
+  volatile uint16_t          RxXferCount;    /*!< SPI Rx Transfer Counter                  */
+
+
+} SPI_HandleTypeDef;
+
+/* ch32 spi dirver class */
+struct ch32_spi
+{
+    SPI_HandleTypeDef handle;
+
+    struct ch32_spi_config *config;
+    struct rt_spi_configuration *cfg;
+    struct rt_spi_bus spi_bus;
+
+
+};
+rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, GPIO_TypeDef* cs_gpiox, uint16_t cs_gpio_pin);
+
+#endif /*__DRV_SPI_H__ */

bsp/wch/risc-v/ch32v307v-r1/board/Kconfig

@@ -133,7 +133,6 @@ menu "On-chip Peripheral Drivers"
 
     menuconfig BSP_USING_SPI
         bool "Enable SPI"
-        select RT_USING_SPI_BITOPS
         select RT_USING_SPI
         
         if BSP_USING_SPI
@@ -154,7 +153,13 @@ menu "On-chip Peripheral Drivers"
                 bool "Enable SPI Flash"
                 default n
             endif
-            
+        endif
+
+    menuconfig BSP_USING_SOFT_SPI
+        bool "Enable SOFT SPI"
+        select RT_USING_SPI_BITOPS
+
+        if BSP_USING_SOFT_SPI
             config BSP_USING_SOFT_SPI1
                 bool "Enable SSPI1 Bus (User SPI)"
                 default n
@@ -173,7 +178,7 @@ menu "On-chip Peripheral Drivers"
                         range 1 79
                         default 23    
                 endif
-                
+        
             config BSP_USING_SOFT_SPI2
                 bool "Enable SSPI2 Bus (soft SPI)"
                 default n