update BLE advertisment

Signed-off-by: Peter Siegmund <mars3142@users.noreply.github.com>

firmware/components/remote_control/light_service.c

@@ -0,0 +1,111 @@
+#include "include/light_service.h"
+
+static const char *TAG = "light_service";
+
+/// Capabilities of Device
+int led_capabilities_read(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg)
+{
+    char *data = "To be implemented later";
+    os_mbuf_append(ctxt->om, data, strlen(data));
+    return 0;
+}
+
+// Write data to ESP32 defined as server
+int led_write(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg)
+{
+    const char *received_payload = (const char *)ctxt->om->om_data;
+    uint16_t payload_len = ctxt->om->om_len;
+
+    // Define command strings
+    const char CMD_LIGHT_ON[] = "LIGHT ON";
+    const char CMD_LIGHT_OFF[] = "LIGHT OFF";
+    const char CMD_FAN_ON[] = "FAN ON";
+    const char CMD_FAN_OFF[] = "FAN OFF";
+
+    if (payload_len == (sizeof(CMD_LIGHT_ON) - 1) && strncmp(received_payload, CMD_LIGHT_ON, payload_len) == 0)
+    {
+        ESP_LOGI(TAG, "LIGHT ON");
+        // for (int i = 0; i < led_matrix_get_size(); i++)
+        {
+            // led_matrix_set_pixel(i, 10, 10, 0);
+        }
+    }
+    else if (payload_len == (sizeof(CMD_LIGHT_OFF) - 1) && strncmp(received_payload, CMD_LIGHT_OFF, payload_len) == 0)
+    {
+        ESP_LOGI(TAG, "LIGHT OFF");
+        // for (int i = 0; i < led_matrix_get_size(); i++)
+        {
+            // led_matrix_set_pixel(i, 0, 0, 0);
+        }
+    }
+    else if (payload_len == (sizeof(CMD_FAN_ON) - 1) && strncmp(received_payload, CMD_FAN_ON, payload_len) == 0)
+    {
+        ESP_LOGI(TAG, "FAN ON");
+        // TODO: Implement action for FAN ON
+    }
+    else if (payload_len == (sizeof(CMD_FAN_OFF) - 1) && strncmp(received_payload, CMD_FAN_OFF, payload_len) == 0)
+    {
+        ESP_LOGI(TAG, "FAN OFF");
+        // TODO: Implement action for FAN OFF
+    }
+    else
+    {
+        char temp_buffer[payload_len + 1];
+        memcpy(temp_buffer, received_payload, payload_len);
+        temp_buffer[payload_len] = '\0';
+
+        ESP_LOGI(TAG, "Unknown command from client: %s", temp_buffer);
+    }
+
+    return 0;
+}
+
+int led_char_a000_user_desc(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg)
+{
+    const char *desc = "Capabilities of Device";
+    os_mbuf_append(ctxt->om, desc, strlen(desc));
+    return 0;
+}
+
+int led_char_dead_user_desc(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg)
+{
+    const char *desc = "Readable Data from Server";
+    os_mbuf_append(ctxt->om, desc, strlen(desc));
+    return 0;
+}
+
+int led_char_dead_presentation(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg)
+{
+    if (ctxt->op != BLE_GATT_ACCESS_OP_READ_DSC)
+    {
+        return BLE_ATT_ERR_READ_NOT_PERMITTED;
+    }
+
+    // GATT Presentation Format (0x2904), 7 Bytes:
+    // [format, exponent, unit(2), namespace, description(2)]
+    // format 0x04 = uint8, exponent 0, unit 0x2700 (unitless), namespace 1 (Bluetooth SIG Assigned Numbers),
+    // description 0
+    const uint8_t fmt[7] = {
+        0x04,       // format = uint8
+        0x00,       // exponent
+        0x00, 0x27, // unit = org.bluetooth.unit.unitless (0x2700)
+        0x01,       // namespace = 1 (SIG)
+        0x00, 0x00  // description
+    };
+    return os_mbuf_append(ctxt->om, fmt, sizeof(fmt)) == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
+}
+
+int led_char_dead_valid_range(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg)
+{
+    if (ctxt->op != BLE_GATT_ACCESS_OP_READ_DSC)
+    {
+        return BLE_ATT_ERR_READ_NOT_PERMITTED;
+    }
+
+    // Valid Range Descriptor (0x2906) Payload:
+    // - Für numerische Werte: [min .. max] im "nativen" Datentyp der Characteristic.
+    //   Hier: uint8, also 1 Byte min + 1 Byte max.
+    const uint8_t range[2] = {0x00, 0x01}; // min=0, max=1
+
+    return os_mbuf_append(ctxt->om, range, sizeof(range)) == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
+}