HiFi player project, first commit.

components/BSP/SPI_SD/spi_sd.c

@@ -0,0 +1,104 @@
+/**
+ ****************************************************************************************************
+ * @file        spi_sdcard.c
+ * @author      正点原子团队(ALIENTEK)
+ * @version     V1.0
+ * @date        2025-01-01
+ * @brief       SD卡 驱动代码
+ * @license     Copyright (c) 2020-2032, 广州市星翼电子科技有限公司
+ ****************************************************************************************************
+ * @attention
+ *
+  * 实验平台:正点原子 ESP32-S3 开发板
+ * 在线视频:www.yuanzige.com
+ * 技术论坛:www.openedv.com
+ * 公司网址:www.alientek.com
+ * 购买地址:openedv.taobao.com
+ *
+ ****************************************************************************************************
+ */
+
+#include "spi_sd.h"
+
+sdmmc_card_t *card;                                                 /* SD / MMC卡结构 */
+const char mount_point[] = MOUNT_POINT;                             /* 挂载点/根目录 */
+esp_err_t ret = ESP_OK;
+esp_err_t mount_ret = ESP_FAIL;
+
+/**
+ * @brief       SD卡初始化
+ * @param       无
+ * @retval      esp_err_t
+ */
+esp_err_t sd_spi_init(void)
+{   
+    ret = ESP_OK;
+
+    if (MY_SD_Handle != NULL)                                       /* 再一次挂载或者初始化SD卡 */
+    {
+        if (mount_ret == ESP_OK)
+        {
+            esp_vfs_fat_sdcard_unmount(mount_point, card);          /* 取消挂载 */
+            mount_ret = ESP_FAIL;
+        }
+    }
+    else if (MY_SD_Handle == NULL)                                  /* 未初始化SPI驱动 */
+    {
+        my_spi_init();                                              /* 初始化SPI驱动 */
+    }
+
+    /* 文件系统挂载配置 */
+    esp_vfs_fat_sdmmc_mount_config_t mount_config = {
+        .format_if_mount_failed = false,                            /* 如果挂载失败：true会重新分区和格式化/false不会重新分区和格式化 */
+        .max_files = 5,                                             /* 打开文件最大数量 */
+        .allocation_unit_size = 4 * 1024 * sizeof(uint8_t)          /* 硬盘分区簇的大小 */
+    };
+
+    /* SD卡参数配置 */
+    sdmmc_host_t host = SDSPI_HOST_DEFAULT();
+
+    /* SD卡引脚配置 */
+    sdspi_device_config_t slot_config = {0};
+    slot_config.host_id   = host.slot;
+    slot_config.gpio_cs   = SD_NUM_CS;
+    slot_config.gpio_cd   = GPIO_NUM_NC;
+    slot_config.gpio_wp   = GPIO_NUM_NC;
+    slot_config.gpio_int  = GPIO_NUM_NC;
+
+    mount_ret = esp_vfs_fat_sdspi_mount(mount_point, &host, &slot_config, &mount_config, &card);      /* 挂载文件系统 */
+    ret |= mount_ret;
+    vTaskDelay(pdMS_TO_TICKS(10));
+    return ret;
+}
+
+/**
+ * @brief       获取SD卡相关信息
+ * @param       out_total_bytes：总大小
+ * @param       out_free_bytes：剩余大小
+ * @retval      无
+ */
+void sd_get_fatfs_usage(size_t *out_total_bytes, size_t *out_free_bytes)
+{
+    FATFS *fs;
+    size_t free_clusters;
+    int res = f_getfree("0:", (DWORD *)&free_clusters, &fs);
+    assert(res == FR_OK);
+    size_t total_sectors = (fs->n_fatent - 2) * fs->csize;
+    size_t free_sectors = free_clusters * fs->csize;
+
+    size_t sd_total = total_sectors / 1024;
+    size_t sd_total_KB = sd_total * fs->ssize;
+    size_t sd_free = free_sectors / 1024;
+    size_t sd_free_KB = sd_free*fs->ssize;
+
+    /* 假设总大小小于4GiB，对于SPI Flash应该为true */
+    if (out_total_bytes != NULL)
+    {
+        *out_total_bytes = sd_total_KB;
+    }
+    
+    if (out_free_bytes != NULL)
+    {
+        *out_free_bytes = sd_free_KB;
+    }
+}

components/BSP/SPI_SD/spi_sd.h

@@ -0,0 +1,40 @@
+/**
+ ****************************************************************************************************
+ * @file        spi_sd.h
+ * @author      正点原子团队(ALIENTEK)
+ * @version     V1.0
+ * @date        2025-01-01
+ * @brief       SD卡 驱动代码
+ * @license     Copyright (c) 2020-2032, 广州市星翼电子科技有限公司
+ ****************************************************************************************************
+ * @attention
+ *
+  * 实验平台:正点原子 ESP32-S3 开发板
+ * 在线视频:www.yuanzige.com
+ * 技术论坛:www.openedv.com
+ * 公司网址:www.alientek.com
+ * 购买地址:openedv.taobao.com
+ *
+ ****************************************************************************************************
+ */
+
+#ifndef __SPI_SD_H
+#define __SPI_SD_H
+
+#include <unistd.h>
+#include "esp_vfs_fat.h"
+#include "driver/sdspi_host.h"
+#include "driver/spi_common.h"
+#include "sdmmc_cmd.h"
+#include "driver/sdmmc_host.h"
+#include "my_spi.h"
+
+
+/* 引脚定义 */
+#define SD_NUM_CS       GPIO_NUM_2
+#define MOUNT_POINT     "/0:"
+
+/* 函数声明 */
+esp_err_t sd_spi_init(void);    /* SD卡初始化 */
+void sd_get_fatfs_usage(size_t *out_total_bytes, size_t *out_free_bytes);
+#endif