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Add user descriptors to XIAO characteristics. #5

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7 changes: 7 additions & 0 deletions iot_train.h
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Original file line number Diff line number Diff line change
Expand Up @@ -69,30 +69,37 @@ typedef union {
#define XIAO_COMMAND_CHAR_PROP (BLEWrite|BLENotify) // property:command characteristic, writable/notifiable
#define XIAO_COMMAND_CHAR_TYPE BLECharacteristic // type:command characteristic, byte array
#define XIAO_COMMAND_CHAR_LEN 21 // length:command characteristic, 21 bytes
#define XIAO_COMMAND_CHAR_NAME "command" // user descriptor: "command"
#define XIAO_ACCEL_CHAR_UUID "AD0C1002-64E9-48B0-9088-6F9E9FE4972E" // UUID:accelerometer characteristic
#define XIAO_ACCEL_CHAR_PROP (BLERead|BLENotify) // property:accelerometer characteristic, readable/notifiable
#define XIAO_ACCEL_CHAR_TYPE BLECharacteristic // type:accelerometer characteristic, byte array
#define XIAO_ACCEL_CHAR_LEN 16 // length:accelerometer characteristic, 16 bytes
#define XIAO_ACCEL_CHAR_NAME "accelerometer" // user descriptor: "accelerometer"
#define XIAO_GYRO_CHAR_UUID "AD0C1003-64E9-48B0-9088-6F9E9FE4972E" // UUID:gyroscope characteristic
#define XIAO_GYRO_CHAR_PROP (BLERead|BLENotify) // property:gyroscope characteristic, readable/notifiable
#define XIAO_GYRO_CHAR_TYPE BLECharacteristic // type:gyroscope characteristic, byte array
#define XIAO_GYRO_CHAR_LEN 16 // length:gyroscope characteristic, 16 bytes
#define XIAO_GYRO_CHAR_NAME "gyroscope" // user descriptor: "gyroscope"
#define XIAO_TEMP_CHAR_UUID "AD0C1004-64E9-48B0-9088-6F9E9FE4972E" // UUID:temperature characteristic
#define XIAO_TEMP_CHAR_PROP (BLERead|BLENotify) // property:temperature characteristic, readable/notifiable
#define XIAO_TEMP_CHAR_TYPE BLECharacteristic // type:temperature characteristic, byte array
#define XIAO_TEMP_CHAR_LEN 8 // length:temperature characteristic, 8 bytes
#define XIAO_TEMP_CHAR_NAME "temperature" // user descriptor: "temperature"
#define XIAO_LED_CHAR_UUID "AD0C1005-64E9-48B0-9088-6F9E9FE4972E" // UUID:LED characteristic
#define XIAO_LED_CHAR_PROP (BLERead|BLEWrite) // property:LED characteristic, readable/writable
#define XIAO_LED_CHAR_TYPE BLEUnsignedCharCharacteristic // type:LED characteristic, unsigned char
#define XIAO_LED_CHAR_LEN 1 // length:LED characteristic, 1 byte
#define XIAO_LED_CHAR_NAME "led" // user descriptor: "led"
#define XIAO_PWM_CHAR_UUID "AD0C2001-64E9-48B0-9088-6F9E9FE4972E" // UUID:PWM characteristic
#define XIAO_PWM_CHAR_PROP (BLERead|BLEWrite) // property:PWM characteristic, readable/writable
#define XIAO_PWM_CHAR_TYPE BLEUnsignedCharCharacteristic // type:PWM characteristic, unsigned char
#define XIAO_PWM_CHAR_LEN 1 // length:PWM characteristic, 1 byte
#define XIAO_PWM_CHAR_NAME "pwm_duty" // user descriptor: "pwm_duty"
#define XIAO_VOLT_CHAR_UUID "AD0C2002-64E9-48B0-9088-6F9E9FE4972E" // UUID:voltage characteristic
#define XIAO_VOLT_CHAR_PROP (BLERead|BLENotify) // property:voltage characteristic, readable/notifiable
#define XIAO_VOLT_CHAR_TYPE BLECharacteristic // type:voltage characteristic, byte array
#define XIAO_VOLT_CHAR_LEN 8 // length:voltage characteristic, 8 bytes
#define XIAO_VOLT_CHAR_NAME "battery_data" // user descriptor: "battery_data"

// BLE peripheral GATT profile: MaBeee side
#define MABEEE_CTRL_SERV_UUID "B9F5FF00-D813-46C6-8B61-B453EE2C74D9" // UUID:MaBeee control service
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14 changes: 14 additions & 0 deletions iot_train.ino
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Expand Up @@ -43,6 +43,13 @@ BLECharacteristic tempCharacteristic(XIAO_TEMP_CHAR_UUID, XIAO_TEMP_CHAR_PROP, X
BLECharacteristic ledCharacteristic(XIAO_LED_CHAR_UUID, XIAO_LED_CHAR_PROP, XIAO_LED_CHAR_LEN); // GATT: LED characteristic
BLECharacteristic pwmCharacteristic(XIAO_PWM_CHAR_UUID, XIAO_PWM_CHAR_PROP, XIAO_PWM_CHAR_LEN); // GATT: PWM characteristic
BLECharacteristic voltCharacteristic(XIAO_VOLT_CHAR_UUID, XIAO_VOLT_CHAR_PROP, XIAO_VOLT_CHAR_LEN); // GATT: voltage characteristic
BLEDescriptor commandDescriptor("2901", XIAO_COMMAND_CHAR_NAME);
BLEDescriptor accelDescriptor("2901", XIAO_ACCEL_CHAR_NAME);
BLEDescriptor gyroDescriptor("2901", XIAO_GYRO_CHAR_NAME);
BLEDescriptor tempDescriptor("2901", XIAO_TEMP_CHAR_NAME);
BLEDescriptor ledDescriptor("2901", XIAO_LED_CHAR_NAME);
BLEDescriptor pwmDescriptor("2901", XIAO_PWM_CHAR_NAME);
BLEDescriptor voltDescriptor("2901", XIAO_VOLT_CHAR_NAME);

// handler for writable characteristics
void onCommandWritten(BLEDevice, BLECharacteristic);
Expand Down Expand Up @@ -125,6 +132,13 @@ void setup() {
commandCharacteristic.setEventHandler(BLEWritten, onCommandWritten);
ledCharacteristic.setEventHandler(BLEWritten, onLedWritten);
pwmCharacteristic.setEventHandler(BLEWritten, onPwmWritten);
commandCharacteristic.addDescriptor(commandDescriptor);
accelCharacteristic.addDescriptor(accelDescriptor);
gyroCharacteristic.addDescriptor(gyroDescriptor);
tempCharacteristic.addDescriptor(tempDescriptor);
ledCharacteristic.addDescriptor(ledDescriptor);
pwmCharacteristic.addDescriptor(pwmDescriptor);
voltCharacteristic.addDescriptor(voltDescriptor);
xiaoService.addCharacteristic(commandCharacteristic);
xiaoService.addCharacteristic(accelCharacteristic);
xiaoService.addCharacteristic(gyroCharacteristic);
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