Add Gitea OTA firmware update, dual-slot partition layout, and Gitea Actions release workflow

components/rc522/examples/read_write/main/read_write.c

@@ -0,0 +1,163 @@
+#include <esp_log.h>
+#include <esp_check.h>
+#include <string.h>
+#include <time.h>
+#include <stdlib.h>
+#include "rc522.h"
+#include "driver/rc522_spi.h"
+#include "picc/rc522_mifare.h"
+
+static const char *TAG = "rc522-read-write-example";
+
+#define RC522_SPI_BUS_GPIO_MISO    (25)
+#define RC522_SPI_BUS_GPIO_MOSI    (23)
+#define RC522_SPI_BUS_GPIO_SCLK    (19)
+#define RC522_SPI_SCANNER_GPIO_SDA (22)
+#define RC522_SCANNER_GPIO_RST     (-1) // soft-reset
+
+static rc522_spi_config_t driver_config = {
+    .host_id = SPI3_HOST,
+    .bus_config = &(spi_bus_config_t){
+        .miso_io_num = RC522_SPI_BUS_GPIO_MISO,
+        .mosi_io_num = RC522_SPI_BUS_GPIO_MOSI,
+        .sclk_io_num = RC522_SPI_BUS_GPIO_SCLK,
+    },
+    .dev_config = {
+        .spics_io_num = RC522_SPI_SCANNER_GPIO_SDA,
+    },
+    .rst_io_num = RC522_SCANNER_GPIO_RST,
+};
+
+static rc522_driver_handle_t driver;
+static rc522_handle_t scanner;
+
+static void dump_block(uint8_t buffer[RC522_MIFARE_BLOCK_SIZE])
+{
+    for (uint8_t i = 0; i < RC522_MIFARE_BLOCK_SIZE; i++) {
+        esp_log_write(ESP_LOG_INFO, TAG, "%02" RC522_X " ", buffer[i]);
+    }
+
+    esp_log_write(ESP_LOG_INFO, TAG, "\n");
+}
+
+static esp_err_t read_write(rc522_handle_t scanner, rc522_picc_t *picc)
+{
+    const char *data_to_write = "rc522 is dope";
+    const uint8_t block_address = 4;
+    rc522_mifare_key_t key = {
+        .value = { RC522_MIFARE_KEY_VALUE_DEFAULT },
+    };
+
+    if (strlen(data_to_write) > 14) {
+        ESP_LOGW(TAG, "Please make sure that data length is no more than 14 characters");
+        ESP_LOGW(TAG, "since we are going to use random values for last two bytes");
+
+        return ESP_ERR_INVALID_ARG;
+    }
+
+    ESP_RETURN_ON_ERROR(rc522_mifare_auth(scanner, picc, block_address, &key), TAG, "auth fail");
+
+    uint8_t read_buffer[RC522_MIFARE_BLOCK_SIZE];
+    uint8_t write_buffer[RC522_MIFARE_BLOCK_SIZE];
+
+    // Read
+    ESP_LOGI(TAG, "Reading data from the block %d", block_address);
+    ESP_RETURN_ON_ERROR(rc522_mifare_read(scanner, picc, block_address, read_buffer), TAG, "read fail");
+    ESP_LOGI(TAG, "Current data:");
+    dump_block(read_buffer);
+    // ~Read
+
+    // Write
+    strncpy((char *)write_buffer, data_to_write, RC522_MIFARE_BLOCK_SIZE);
+
+    // Set random values for the last two bytes in the write buffer
+    // so we are using new data on each call of read_write function
+    int r = rand();
+    write_buffer[RC522_MIFARE_BLOCK_SIZE - 2] = ((r >> 8) & 0xFF);
+    write_buffer[RC522_MIFARE_BLOCK_SIZE - 1] = ((r >> 0) & 0xFF);
+
+    ESP_LOGI(TAG, "Writing data (%s) to the block %d:", data_to_write, block_address);
+    dump_block(write_buffer);
+    ESP_RETURN_ON_ERROR(rc522_mifare_write(scanner, picc, block_address, write_buffer), TAG, "write fail");
+    // ~Write
+
+    // Read again
+    ESP_LOGI(TAG, "Write done. Verifying...");
+    ESP_RETURN_ON_ERROR(rc522_mifare_read(scanner, picc, block_address, read_buffer), TAG, "read fail");
+    ESP_LOGI(TAG, "New data in the block %d:", block_address);
+    dump_block(read_buffer);
+    // ~Read again
+
+    // Validate
+    bool rw_missmatch = false;
+    uint8_t i;
+    for (i = 0; i < RC522_MIFARE_BLOCK_SIZE; i++) {
+        if (write_buffer[i] != read_buffer[i]) {
+            rw_missmatch = true;
+            break;
+        }
+    }
+    // ~Validate
+
+    // Feedback
+    if (!rw_missmatch) {
+        ESP_LOGI(TAG, "Verified.");
+    }
+    else {
+        ESP_LOGE(TAG,
+            "Write failed. RW missmatch on the byte %d (w:%02" RC522_X ", r:%02" RC522_X ")",
+            i,
+            write_buffer[i],
+            read_buffer[i]);
+
+        dump_block(write_buffer);
+        dump_block(read_buffer);
+    }
+    // ~Feedback
+
+    return ESP_OK;
+}
+
+static void on_picc_state_changed(void *arg, esp_event_base_t base, int32_t event_id, void *data)
+{
+    rc522_picc_state_changed_event_t *event = (rc522_picc_state_changed_event_t *)data;
+    rc522_picc_t *picc = event->picc;
+
+    if (picc->state != RC522_PICC_STATE_ACTIVE) {
+        return;
+    }
+
+    rc522_picc_print(picc);
+
+    if (!rc522_mifare_type_is_classic_compatible(picc->type)) {
+        ESP_LOGW(TAG, "Card is not supported by this example");
+        return;
+    }
+
+    if (read_write(scanner, picc) == ESP_OK) {
+        ESP_LOGI(TAG, "Read/Write success");
+    }
+    else {
+        ESP_LOGE(TAG, "Read/Write failed");
+    }
+
+    if (rc522_mifare_deauth(scanner, picc) != ESP_OK) {
+        ESP_LOGW(TAG, "Deauth failed");
+    }
+}
+
+void app_main()
+{
+    srand(time(NULL)); // Initialize random generator
+
+    rc522_spi_create(&driver_config, &driver);
+    rc522_driver_install(driver);
+
+    rc522_config_t scanner_config = {
+        .driver = driver,
+    };
+
+    rc522_create(&scanner_config, &scanner);
+    rc522_register_events(scanner, RC522_EVENT_PICC_STATE_CHANGED, on_picc_state_changed, NULL);
+    rc522_start(scanner);
+}