From 76eb2167163f9221c25e51647d1cccfc33e8b4e8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bruno=20Ryb=C3=A1rsky?= Date: Thu, 1 May 2025 23:56:31 +0200 Subject: [PATCH] start sdcard --- .vscode/settings.json | 2 +- dependencies.lock | 2 +- main/components/sdcard.c | 262 ++++++++++++++++++++++++++++++++++++++ main/components/sensors.c | 7 + 4 files changed, 271 insertions(+), 2 deletions(-) create mode 100644 main/components/sdcard.c diff --git a/.vscode/settings.json b/.vscode/settings.json index c1a9e7a..34e25be 100644 --- a/.vscode/settings.json +++ b/.vscode/settings.json @@ -1,6 +1,6 @@ { "C_Cpp.intelliSenseEngine": "default", - "idf.espIdfPath": "/home/bruno/esp/v5.4.1/esp-idf", + "idf.espIdfPath": "/home/bruno/esp/master/esp-idf", "idf.pythonInstallPath": "/usr/bin/python", "idf.openOcdConfigs": [ "board/esp32s3-builtin.cfg" diff --git a/dependencies.lock b/dependencies.lock index 20bbb23..2a59adb 100644 --- a/dependencies.lock +++ b/dependencies.lock @@ -2,7 +2,7 @@ dependencies: idf: source: type: idf - version: 5.4.1 + version: 5.5.0 k0i05/esp_bme680: component_hash: 2df0cb14d4425565a8745d4a96bfaa8ff7e90bbec3e208a073821406dded23c8 dependencies: diff --git a/main/components/sdcard.c b/main/components/sdcard.c new file mode 100644 index 0000000..65eaf91 --- /dev/null +++ b/main/components/sdcard.c @@ -0,0 +1,262 @@ + +static void s_generate_numbered_filename(char *out_path, size_t max_len) { + DIR *dir = opendir(MOUNT_POINT); + if (!dir) { + ESP_LOGE(TAG, "Failed to open directory"); + snprintf(out_path, max_len, MOUNT_POINT"/data1.txt"); // fallback + return; + } + + int max_num = 0; + struct dirent *entry; + while ((entry = readdir(dir)) != NULL) { + if (strncmp(entry->d_name, "data", 4) == 0 && strstr(entry->d_name, ".txt")) { + int num = 0; + if (sscanf(entry->d_name, "data%d.txt", &num) == 1) { + if (num > max_num) { + max_num = num; + } + } + } + } + closedir(dir); + snprintf(out_path, max_len, MOUNT_POINT"/data%d.txt", max_num + 1); +} + + +/* SD card and FAT filesystem example. + This example uses SPI peripheral to communicate with SD card. + + This example code is in the Public Domain (or CC0 licensed, at your option.) + + Unless required by applicable law or agreed to in writing, this + software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR + CONDITIONS OF ANY KIND, either express or implied. +*/ + +#include +#include +#include +#include "esp_vfs_fat.h" +#include "sdmmc_cmd.h" +#include "sd_test_io.h" +#if SOC_SDMMC_IO_POWER_EXTERNAL +#include "sd_pwr_ctrl_by_on_chip_ldo.h" +#endif + +#define EXAMPLE_MAX_CHAR_SIZE 64 + +static const char *TAG = "example"; + +#define MOUNT_POINT "/sdcard" + +#ifdef CONFIG_EXAMPLE_DEBUG_PIN_CONNECTIONS +const char* names[] = {"CLK ", "MOSI", "MISO", "CS "}; +const int pins[] = {CONFIG_EXAMPLE_PIN_CLK, + CONFIG_EXAMPLE_PIN_MOSI, + CONFIG_EXAMPLE_PIN_MISO, + CONFIG_EXAMPLE_PIN_CS}; + +const int pin_count = sizeof(pins)/sizeof(pins[0]); +#if CONFIG_EXAMPLE_ENABLE_ADC_FEATURE +const int adc_channels[] = {CONFIG_EXAMPLE_ADC_PIN_CLK, + CONFIG_EXAMPLE_ADC_PIN_MOSI, + CONFIG_EXAMPLE_ADC_PIN_MISO, + CONFIG_EXAMPLE_ADC_PIN_CS}; +#endif //CONFIG_EXAMPLE_ENABLE_ADC_FEATURE + +pin_configuration_t config = { + .names = names, + .pins = pins, +#if CONFIG_EXAMPLE_ENABLE_ADC_FEATURE + .adc_channels = adc_channels, +#endif +}; +#endif //CONFIG_EXAMPLE_DEBUG_PIN_CONNECTIONS + +// Pin assignments can be set in menuconfig, see "SD SPI Example Configuration" menu. +// You can also change the pin assignments here by changing the following 4 lines. +#define PIN_NUM_MISO CONFIG_EXAMPLE_PIN_MISO +#define PIN_NUM_MOSI CONFIG_EXAMPLE_PIN_MOSI +#define PIN_NUM_CLK CONFIG_EXAMPLE_PIN_CLK +#define PIN_NUM_CS CONFIG_EXAMPLE_PIN_CS + +static esp_err_t s_example_write_file(const char *path, char *data) +{ + ESP_LOGI(TAG, "Opening file %s", path); + FILE *f = fopen(path, "w"); + if (f == NULL) { + ESP_LOGE(TAG, "Failed to open file for writing"); + return ESP_FAIL; + } + fprintf(f, data); + fclose(f); + ESP_LOGI(TAG, "File written"); + + return ESP_OK; +} + +static esp_err_t s_example_read_file(const char *path) +{ + ESP_LOGI(TAG, "Reading file %s", path); + FILE *f = fopen(path, "r"); + if (f == NULL) { + ESP_LOGE(TAG, "Failed to open file for reading"); + return ESP_FAIL; + } + char line[EXAMPLE_MAX_CHAR_SIZE]; + fgets(line, sizeof(line), f); + fclose(f); + + // strip newline + char *pos = strchr(line, '\n'); + if (pos) { + *pos = '\0'; + } + ESP_LOGI(TAG, "Read from file: '%s'", line); + + return ESP_OK; +} + +void app_main(void) +{ + esp_err_t ret; + + // Options for mounting the filesystem. + // If format_if_mount_failed is set to true, SD card will be partitioned and + // formatted in case when mounting fails. + esp_vfs_fat_sdmmc_mount_config_t mount_config = { +#ifdef CONFIG_EXAMPLE_FORMAT_IF_MOUNT_FAILED + .format_if_mount_failed = true, +#else + .format_if_mount_failed = false, +#endif // EXAMPLE_FORMAT_IF_MOUNT_FAILED + .max_files = 5, + .allocation_unit_size = 16 * 1024 + }; + sdmmc_card_t *card; + const char mount_point[] = MOUNT_POINT; + ESP_LOGI(TAG, "Initializing SD card"); + + // Use settings defined above to initialize SD card and mount FAT filesystem. + // Note: esp_vfs_fat_sdmmc/sdspi_mount is all-in-one convenience functions. + // Please check its source code and implement error recovery when developing + // production applications. + ESP_LOGI(TAG, "Using SPI peripheral"); + + // By default, SD card frequency is initialized to SDMMC_FREQ_DEFAULT (20MHz) + // For setting a specific frequency, use host.max_freq_khz (range 400kHz - 20MHz for SDSPI) + // Example: for fixed frequency of 10MHz, use host.max_freq_khz = 10000; + sdmmc_host_t host = SDSPI_HOST_DEFAULT(); + + spi_bus_config_t bus_cfg = { + .mosi_io_num = PIN_NUM_MOSI, + .miso_io_num = PIN_NUM_MISO, + .sclk_io_num = PIN_NUM_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, "Failed to initialize bus."); + return; + } + + // This initializes the slot without card detect (CD) and write protect (WP) signals. + // Modify slot_config.gpio_cd and slot_config.gpio_wp if your board has these signals. + sdspi_device_config_t slot_config = SDSPI_DEVICE_CONFIG_DEFAULT(); + slot_config.gpio_cs = PIN_NUM_CS; + slot_config.host_id = host.slot; + + ESP_LOGI(TAG, "Mounting filesystem"); + ret = esp_vfs_fat_sdspi_mount(mount_point, &host, &slot_config, &mount_config, &card); + + if (ret != ESP_OK) { + if (ret == ESP_FAIL) { + ESP_LOGE(TAG, "Failed to mount filesystem. " + "If you want the card to be formatted, set the CONFIG_EXAMPLE_FORMAT_IF_MOUNT_FAILED menuconfig option."); + } else { + ESP_LOGE(TAG, "Failed to initialize the card (%s). " + "Make sure SD card lines have pull-up resistors in place.", esp_err_to_name(ret)); +#ifdef CONFIG_EXAMPLE_DEBUG_PIN_CONNECTIONS + check_sd_card_pins(&config, pin_count); +#endif + } + return; + } + ESP_LOGI(TAG, "Filesystem mounted"); + + // Card has been initialized, print its properties + sdmmc_card_print_info(stdout, card); + + // Use POSIX and C standard library functions to work with files. + + // First create a file. + const char *file_hello = MOUNT_POINT"/hello.txt"; + char data[EXAMPLE_MAX_CHAR_SIZE]; + snprintf(data, EXAMPLE_MAX_CHAR_SIZE, "%s %s!\n", "Hello", card->cid.name); + ret = s_example_write_file(file_hello, data); + if (ret != ESP_OK) { + return; + } + + const char *file_foo = MOUNT_POINT"/foo.txt"; + + // Check if destination file exists before renaming + struct stat st; + if (stat(file_foo, &st) == 0) { + // Delete it if it exists + unlink(file_foo); + } + + // Rename original file + ESP_LOGI(TAG, "Renaming file %s to %s", file_hello, file_foo); + if (rename(file_hello, file_foo) != 0) { + ESP_LOGE(TAG, "Rename failed"); + return; + } + + ret = s_example_read_file(file_foo); + if (ret != ESP_OK) { + return; + } + + // Format FATFS +#ifdef CONFIG_EXAMPLE_FORMAT_SD_CARD + ret = esp_vfs_fat_sdcard_format(mount_point, card); + if (ret != ESP_OK) { + ESP_LOGE(TAG, "Failed to format FATFS (%s)", esp_err_to_name(ret)); + return; + } + + if (stat(file_foo, &st) == 0) { + ESP_LOGI(TAG, "file still exists"); + return; + } else { + ESP_LOGI(TAG, "file doesn't exist, formatting done"); + } +#endif // CONFIG_EXAMPLE_FORMAT_SD_CARD + + const char *file_nihao = MOUNT_POINT"/nihao.txt"; + memset(data, 0, EXAMPLE_MAX_CHAR_SIZE); + snprintf(data, EXAMPLE_MAX_CHAR_SIZE, "%s %s!\n", "Nihao", card->cid.name); + ret = s_example_write_file(file_nihao, data); + if (ret != ESP_OK) { + return; + } + + //Open file for reading + ret = s_example_read_file(file_nihao); + if (ret != ESP_OK) { + return; + } + + // All done, unmount partition and disable SPI peripheral + esp_vfs_fat_sdcard_unmount(mount_point, card); + ESP_LOGI(TAG, "Card unmounted"); + + //deinitialize the bus after all devices are removed + spi_bus_free(host.slot); +} \ No newline at end of file diff --git a/main/components/sensors.c b/main/components/sensors.c index 2b60f0d..7a3ea2c 100644 --- a/main/components/sensors.c +++ b/main/components/sensors.c @@ -4,6 +4,13 @@ #include "../hw/gps.h" #include "servocontroller.h" +#include +#include +#include "esp_vfs_fat.h" +#include "sdmmc_cmd.h" + +#define MOUNT_POINT "/canSensors" + #define BLINK_GPIO 2 // uint8_t powerMode = LOW_POWER_MODE;