Init

2026-05-08 14:56:29 +02:00
commit e4a5ccb043
39 changed files with 2481 additions and 0 deletions
@@ -0,0 +1,57 @@
+#include "driver/sdspi_host.h"
+#include "driver/spi_common.h"
+#include "esp_err.h"
+#include "esp_log.h"
+#include "esp_vfs_fat.h"
+#include "sdmmc_cmd.h"
+#include "pins.h"
+
+static const char *TAG = "sdspi";
+
+static sdmmc_card_t *card = NULL;
+
+void initSD(void) {
+  esp_err_t ret;
+
+  // FAT mount config
+  esp_vfs_fat_sdmmc_mount_config_t mount_config = {
+      .format_if_mount_failed = false,
+      .max_files = 5,
+      .allocation_unit_size = 16 * 1024};
+
+  // SPI host (this is correct for SDSPI)
+  sdmmc_host_t host = SDSPI_HOST_DEFAULT();
+
+  // SPI bus config
+  spi_bus_config_t bus_cfg = {.mosi_io_num = MICROSD_MOSI,
+                              .miso_io_num = MICROSD_MISO,
+                              .sclk_io_num = MICROSD_CLK,
+                              .quadwp_io_num = -1,
+                              .quadhd_io_num = -1,
+                              .max_transfer_sz = 4000};
+
+  ret = spi_bus_initialize(host.slot, &bus_cfg, SDSPI_DEFAULT_DMA);
+  if (ret != ESP_OK) {
+    ESP_LOGE(TAG, "SPI bus init failed: %s", esp_err_to_name(ret));
+    return;
+  }
+
+  // SD card device config (CS pin lives here)
+  sdspi_device_config_t slot_config = SDSPI_DEVICE_CONFIG_DEFAULT();
+  slot_config.gpio_cs = MICROSD_CS;
+  slot_config.host_id = host.slot;
+
+  // Mount filesystem
+  ret =
+      esp_vfs_fat_sdspi_mount("/sd", &host, &slot_config, &mount_config, &card);
+  if (ret != ESP_OK) {
+    ESP_LOGE(TAG, "SD mount failed: %s", esp_err_to_name(ret));
+    spi_bus_free(host.slot);
+    return;
+  }
+
+  ESP_LOGI(TAG, "SD card mounted successfully");
+
+  // Optional: print card info
+  sdmmc_card_print_info(stdout, card);
+}