Yu-Lun Tsai
nRF51822 serves as the bridge between BLE central and MCU, which makes cental able to fetch photos from serial camera.
Dependencies: BLE_API mbed nRF51822
Fork of
nRF51822_blinky
by 
RedBearLab
src/main.cpp@12:7060e287bdae, 2016-02-22 (annotated)
- Committer:
- stormysun513
- Date:
- Mon Feb 22 08:50:39 2016 +0000
- Revision:
- 12:7060e287bdae
- Parent:
- 11:b3929de96933
- Child:
- 13:65c9b7d667f6
Workable version 1
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| stormysun513 | 12:7060e287bdae | 1 | #ifndef DEVICE_SERIAL_FC |
| stormysun513 | 12:7060e287bdae | 2 | #define DEVICE_SERIAL_FC 1 |
| stormysun513 | 12:7060e287bdae | 3 | #endif |
| stormysun513 | 12:7060e287bdae | 4 | //#define APPLICATION_TIMEOUT |
| stormysun513 | 12:7060e287bdae | 5 | |
| dan | 0:7dec7e9ac085 | 6 | #include "mbed.h" |
| stormysun513 | 12:7060e287bdae | 7 | #include "ble/BLE.h" |
| stormysun513 | 12:7060e287bdae | 8 | #include "ble/Gap.h" |
| stormysun513 | 12:7060e287bdae | 9 | #include "ringBuffer.h" |
| stormysun513 | 11:b3929de96933 | 10 | #include "application.h" |
| stormysun513 | 11:b3929de96933 | 11 | |
| stormysun513 | 12:7060e287bdae | 12 | #define SDA_PIN P0_8 |
| stormysun513 | 12:7060e287bdae | 13 | #define SCL_PIN P0_9 |
| stormysun513 | 12:7060e287bdae | 14 | #define UARTTX_PIN P0_18 |
| stormysun513 | 12:7060e287bdae | 15 | #define UARTRX_PIN P0_17 |
| stormysun513 | 12:7060e287bdae | 16 | #define POWER_LED_PIN P0_11 |
| stormysun513 | 12:7060e287bdae | 17 | #define INSERTION_LED_PIN P0_10 |
| stormysun513 | 12:7060e287bdae | 18 | #define ANI_BATTERY_VOLTAGE_PIN P0_2 |
| stormysun513 | 12:7060e287bdae | 19 | #define ANI_USB_CHARGE_PIN P0_3 |
| stormysun513 | 12:7060e287bdae | 20 | #define BTN_POWER_ON_PIN P0_4 |
| stormysun513 | 12:7060e287bdae | 21 | #define ANI_SALIVA_VOLTAGE_PIN P0_5 |
| stormysun513 | 12:7060e287bdae | 22 | #define CHECK_BUTTON_TIMES 2 |
| stormysun513 | 12:7060e287bdae | 23 | #define CHECK_BUTTON_VOLTAGE_LEVEL 0.05f |
| stormysun513 | 12:7060e287bdae | 24 | |
| stormysun513 | 11:b3929de96933 | 25 | #define UART_BAUDRATE 14400 |
| stormysun513 | 11:b3929de96933 | 26 | #define MINIMUM_TICKER_PERIOD 2500 |
| stormysun513 | 12:7060e287bdae | 27 | |
| stormysun513 | 12:7060e287bdae | 28 | #define BLE_UUID_TXRX_SERVICE 0x0000 /**< The UUID of the Nordic UART Service. */ |
| stormysun513 | 12:7060e287bdae | 29 | #define BLE_UUID_TX_CHARACTERISTIC 0x0002 /**< The UUID of the TX Characteristic. */ |
| stormysun513 | 12:7060e287bdae | 30 | #define BLE_UUIDS_RX_CHARACTERISTIC 0x0003 /**< The UUID of the RX Characteristic. */ |
| stormysun513 | 12:7060e287bdae | 31 | |
| stormysun513 | 12:7060e287bdae | 32 | #define BLE_GAP_CP_MIN_CONN_INTVL_MIN 0x0006 //Lowest mimimum connection interval permitted, in units of 1.25 ms, i.e. 7.5 ms. |
| stormysun513 | 12:7060e287bdae | 33 | #define BLE_GAP_CP_MAX_CONN_INTVL_MAX 0x0C80 //Highest maximum connection interval permitted, in units of 1.25 ms, i.e. 4 s. |
| stormysun513 | 12:7060e287bdae | 34 | #define BLE_GAP_CP_SLAVE_LATENCY_MAX 0x01F3 //Highest slave latency permitted, in connection events. |
| stormysun513 | 12:7060e287bdae | 35 | #define BLE_GAP_CP_CONN_SUP_TIMEOUT_MIN 0x000A //Lowest supervision timeout permitted, in units of 10 ms, i.e. 100 ms. |
| stormysun513 | 12:7060e287bdae | 36 | #define BLE_GAP_CP_CONN_SUP_TIMEOUT_MAX 0x0C80 //Highest supervision timeout permitted, in units of 10 ms, i.e. 32 s. |
| stormysun513 | 12:7060e287bdae | 37 | |
| stormysun513 | 11:b3929de96933 | 38 | #define BLE_BUF_LEN 20 |
| stormysun513 | 12:7060e287bdae | 39 | #define BLE_RETRANSMISSION_BUF 18 |
| stormysun513 | 12:7060e287bdae | 40 | #define DEVICE_INFO_PAYLOAD 5 |
| stormysun513 | 12:7060e287bdae | 41 | #define SINGLE_UINT16_PAYLOAD 3 |
| stormysun513 | 12:7060e287bdae | 42 | #define UART_DATA_PACKET_PAYLOAD 1 |
| stormysun513 | 12:7060e287bdae | 43 | #define UART_PACKET_SIZE 111 |
| stormysun513 | 12:7060e287bdae | 44 | |
| stormysun513 | 12:7060e287bdae | 45 | typedef enum { |
| stormysun513 | 12:7060e287bdae | 46 | SYS_POWERSAVING = 0, |
| stormysun513 | 12:7060e287bdae | 47 | SYS_RELAXING_BUTTON, |
| stormysun513 | 12:7060e287bdae | 48 | SYS_LOCKING_BUTTON |
| stormysun513 | 12:7060e287bdae | 49 | }SystemStateTypeDef; |
| stormysun513 | 12:7060e287bdae | 50 | |
| stormysun513 | 12:7060e287bdae | 51 | typedef enum { |
| stormysun513 | 12:7060e287bdae | 52 | BTN_IDLE = 0, |
| stormysun513 | 12:7060e287bdae | 53 | BTN_CHANGE_ANALOG, |
| stormysun513 | 12:7060e287bdae | 54 | BTN_CHECK_LONG_PRESS |
| stormysun513 | 12:7060e287bdae | 55 | }ButtonStateTypeDef; |
| stormysun513 | 12:7060e287bdae | 56 | |
| stormysun513 | 12:7060e287bdae | 57 | typedef enum { |
| stormysun513 | 12:7060e287bdae | 58 | STM32_IDLE = 0, //Cannot receive any byte from UARTRX |
| stormysun513 | 12:7060e287bdae | 59 | STM32_CHECK_HEADER, //Check incoming header and forward to the client |
| stormysun513 | 12:7060e287bdae | 60 | STM32_IMAGE_FORWARDING //Forward image data to the client |
| stormysun513 | 12:7060e287bdae | 61 | }STM32StateTypeDef; |
| stormysun513 | 12:7060e287bdae | 62 | |
| stormysun513 | 12:7060e287bdae | 63 | typedef enum { |
| stormysun513 | 12:7060e287bdae | 64 | SYS_HEADER_IMAGE_INFO = 0, |
| stormysun513 | 12:7060e287bdae | 65 | SYS_HEADER_SALIVA_VOLTAGE, // Not used (for debug purpose) |
| stormysun513 | 12:7060e287bdae | 66 | SYS_HEADER_DEVICE_INFO, // Not used (for debug purpose) |
| stormysun513 | 12:7060e287bdae | 67 | SYS_HEADER_IMAGE_PACKET, |
| stormysun513 | 12:7060e287bdae | 68 | SYS_HEADER_NO_SPECIFIC |
| stormysun513 | 12:7060e287bdae | 69 | }HeaderTypeDef; |
| stormysun513 | 12:7060e287bdae | 70 | |
| stormysun513 | 12:7060e287bdae | 71 | typedef enum { |
| stormysun513 | 12:7060e287bdae | 72 | UARTRX_CHECK_FIRST_PREAMBLE = 0, |
| stormysun513 | 12:7060e287bdae | 73 | UARTRX_CHECK_SECOND_PREAMBLE, |
| stormysun513 | 12:7060e287bdae | 74 | UARTRX_TRANSFERING_DATA |
| stormysun513 | 12:7060e287bdae | 75 | }UARTRxStateTypeDef; |
| stormysun513 | 12:7060e287bdae | 76 | |
| stormysun513 | 12:7060e287bdae | 77 | typedef enum { |
| stormysun513 | 12:7060e287bdae | 78 | BLE_SWITCH_NOTIFICATION_MODE = 0, // Enable/Disable device information |
| stormysun513 | 12:7060e287bdae | 79 | BLE_CHANGE_DEVICE_ID, // Write ID to saliva cassette |
| stormysun513 | 12:7060e287bdae | 80 | BLE_REQUEST_SALIVA_VOLTAGE, // Turn on saliva sampling periodically |
| stormysun513 | 12:7060e287bdae | 81 | BLE_REQUEST_IMAGE_INFO, // Request image header |
| stormysun513 | 12:7060e287bdae | 82 | BLE_REQUEST_IMAGE_BY_INDEX, // Request image data by uart packet IDs |
| stormysun513 | 12:7060e287bdae | 83 | BLE_END_IMAGE_TRANSFER, // Directly terminate image transferring |
| stormysun513 | 12:7060e287bdae | 84 | BLE_DEREQUEST_SALIVA_VOLTAGE, // Turn off saliva sampling periodically |
| stormysun513 | 12:7060e287bdae | 85 | BLE_SHUTDOWN, // Shutdown device |
| stormysun513 | 12:7060e287bdae | 86 | BLE_UNLOCK_BUTTON, // Unlock Button |
| stormysun513 | 12:7060e287bdae | 87 | BLE_UART_DEBUG // Reserved for debug Value: 0x09 |
| stormysun513 | 12:7060e287bdae | 88 | }BLECommandTypeDef; |
| stormysun513 | 12:7060e287bdae | 89 | |
| stormysun513 | 12:7060e287bdae | 90 | /* BLE Callback functions */ |
| stormysun513 | 12:7060e287bdae | 91 | void bleInitCompleteCB(struct BLE::InitializationCompleteCallbackContext *context); |
| stormysun513 | 12:7060e287bdae | 92 | void bleOnConnectionCB(const Gap::ConnectionCallbackParams_t *p_conn_param); |
| stormysun513 | 12:7060e287bdae | 93 | void bleDisconnectionCB(const Gap::DisconnectionCallbackParams_t *params); |
| stormysun513 | 12:7060e287bdae | 94 | void bleCharacteristicWrittenCB(const GattWriteCallbackParams *Handler); |
| stormysun513 | 12:7060e287bdae | 95 | void bleReduceConnInterval(void); |
| dan | 0:7dec7e9ac085 | 96 | |
| stormysun513 | 11:b3929de96933 | 97 | void timerPeriodicalCB(void); |
| stormysun513 | 11:b3929de96933 | 98 | void timerFlashLed(void); |
| stormysun513 | 12:7060e287bdae | 99 | void timerCheckBuffer(void); |
| stormysun513 | 12:7060e287bdae | 100 | void timerRoutineTasks(void); |
| stormysun513 | 12:7060e287bdae | 101 | |
| stormysun513 | 12:7060e287bdae | 102 | void uartTxTransmit(uint8_t* buf, uint16_t length); |
| stormysun513 | 12:7060e287bdae | 103 | void uartRxCB(void); |
| stormysun513 | 11:b3929de96933 | 104 | |
| stormysun513 | 12:7060e287bdae | 105 | void buttonInterruptServiceRoutine(void); |
| stormysun513 | 12:7060e287bdae | 106 | void buttonCheckLongPress(uint8_t counter); |
| stormysun513 | 12:7060e287bdae | 107 | void buttonLongPressVerified(void); |
| stormysun513 | 12:7060e287bdae | 108 | void changeButtonPinToAnalogIn(void); |
| stormysun513 | 12:7060e287bdae | 109 | void changeButtonPinToInterrupt(void); |
| stormysun513 | 12:7060e287bdae | 110 | void shutdownDevice(void); |
| stormysun513 | 12:7060e287bdae | 111 | |
| stormysun513 | 12:7060e287bdae | 112 | void resetSTM32StateType(void); |
| stormysun513 | 12:7060e287bdae | 113 | void requestSalivaVoltage(void); |
| stormysun513 | 12:7060e287bdae | 114 | void requestForImagePacket(uint16_t packetId); |
| stormysun513 | 12:7060e287bdae | 115 | |
| stormysun513 | 12:7060e287bdae | 116 | BLE ble; |
| stormysun513 | 12:7060e287bdae | 117 | Gap::Handle_t mHandle = 0; |
| stormysun513 | 11:b3929de96933 | 118 | Ticker ticker; |
| stormysun513 | 12:7060e287bdae | 119 | Serial pc(UARTTX_PIN, UARTRX_PIN); |
| stormysun513 | 12:7060e287bdae | 120 | I2C *pI2C = NULL; |
| stormysun513 | 12:7060e287bdae | 121 | DigitalOut ledPower(POWER_LED_PIN); //P0_11 |
| stormysun513 | 12:7060e287bdae | 122 | DigitalOut *pLedInsertion = NULL; //P0_10 Must be changed |
| stormysun513 | 12:7060e287bdae | 123 | DigitalOut uartEnable(P0_12); |
| stormysun513 | 12:7060e287bdae | 124 | InterruptIn *pButton = NULL; //P0_4 |
| stormysun513 | 12:7060e287bdae | 125 | AnalogIn *pButtonAnalogIn = NULL; //P0_4 |
| stormysun513 | 12:7060e287bdae | 126 | AnalogIn aniSalivaVolt(ANI_SALIVA_VOLTAGE_PIN); //P0_5 |
| stormysun513 | 12:7060e287bdae | 127 | AnalogIn aniUSBChargeVolt(ANI_USB_CHARGE_PIN); |
| stormysun513 | 12:7060e287bdae | 128 | AnalogIn aniBatterVolt(ANI_BATTERY_VOLTAGE_PIN); //P0_2 |
| stormysun513 | 12:7060e287bdae | 129 | |
| stormysun513 | 12:7060e287bdae | 130 | /* State variables for application status, UARTRX data parsing status, |
| stormysun513 | 12:7060e287bdae | 131 | waiting header type and main loop trigger */ |
| stormysun513 | 12:7060e287bdae | 132 | static SystemStateTypeDef systemState = SYS_RELAXING_BUTTON; |
| stormysun513 | 12:7060e287bdae | 133 | static ButtonStateTypeDef buttonState = BTN_IDLE; |
| stormysun513 | 12:7060e287bdae | 134 | static STM32StateTypeDef stm32State = STM32_IDLE; |
| stormysun513 | 12:7060e287bdae | 135 | static UARTRxStateTypeDef uartRxState = UARTRX_CHECK_FIRST_PREAMBLE; |
| stormysun513 | 12:7060e287bdae | 136 | static HeaderTypeDef waitHeader = SYS_HEADER_DEVICE_INFO; |
| stormysun513 | 12:7060e287bdae | 137 | |
| stormysun513 | 12:7060e287bdae | 138 | /* Variables to handle data transferring. */ |
| stormysun513 | 12:7060e287bdae | 139 | static uint8_t packetNum = 0; |
| stormysun513 | 12:7060e287bdae | 140 | static uint8_t lastPacketSize = 0; |
| stormysun513 | 12:7060e287bdae | 141 | static uint8_t currentPacketIndex = 0; |
| stormysun513 | 12:7060e287bdae | 142 | static uint8_t targetPayload = 0; |
| stormysun513 | 12:7060e287bdae | 143 | static uint8_t alreadyTransferred = 0; |
| stormysun513 | 12:7060e287bdae | 144 | static uint8_t waitCamera = 0; |
| stormysun513 | 12:7060e287bdae | 145 | static const uint8_t MAX_WAIT_TARGET_PAYLOAD = 2; |
| stormysun513 | 12:7060e287bdae | 146 | static const uint8_t MAX_WAIT_RETRANSMIT_TIMES = 10; // 12s timeout for switching stm32State back to Idle |
| stormysun513 | 12:7060e287bdae | 147 | static bool isRetransmit = false; |
| stormysun513 | 12:7060e287bdae | 148 | static uint8_t retransmitIndex = 0; |
| stormysun513 | 12:7060e287bdae | 149 | static uint8_t retransmitSize = 0; |
| stormysun513 | 12:7060e287bdae | 150 | static bool setImgPktPayloadByID = false; |
| stormysun513 | 12:7060e287bdae | 151 | static bool directForward = false; |
| stormysun513 | 11:b3929de96933 | 152 | |
| stormysun513 | 12:7060e287bdae | 153 | static bool isCheckBuf = false; |
| stormysun513 | 12:7060e287bdae | 154 | static bool isRoutine = false; |
| stormysun513 | 12:7060e287bdae | 155 | static bool isInserted = false; |
| stormysun513 | 12:7060e287bdae | 156 | static bool isEnterMainLoop = false; |
| stormysun513 | 12:7060e287bdae | 157 | static bool infoNotification = false; |
| stormysun513 | 12:7060e287bdae | 158 | static bool salivaPeriodically = false; |
| stormysun513 | 12:7060e287bdae | 159 | |
| stormysun513 | 12:7060e287bdae | 160 | static uint8_t checkButtonCounter = 0; |
| stormysun513 | 12:7060e287bdae | 161 | |
| stormysun513 | 12:7060e287bdae | 162 | #ifdef APPLICATION_TIMEOUT |
| stormysun513 | 12:7060e287bdae | 163 | static uint16_t disConnIdleCnt = 0; |
| stormysun513 | 12:7060e287bdae | 164 | static uint16_t connIdleCnt = 0; |
| stormysun513 | 12:7060e287bdae | 165 | static const uint16_t MAX_DISCONN_IDLE = 30; |
| stormysun513 | 12:7060e287bdae | 166 | static const uint16_t MAX_CONN_IDLE = 20; |
| stormysun513 | 12:7060e287bdae | 167 | #endif |
| stormysun513 | 11:b3929de96933 | 168 | |
| stormysun513 | 12:7060e287bdae | 169 | static RingBuffer ringBuffer; |
| stormysun513 | 12:7060e287bdae | 170 | static const uint8_t preamble[] = {0xFF, 0x7F}; |
| stormysun513 | 12:7060e287bdae | 171 | uint8_t uartTxPayload[BLE_BUF_LEN] = {0,}; |
| stormysun513 | 12:7060e287bdae | 172 | uint8_t uartRxPayload[BLE_BUF_LEN] = {0,}; |
| stormysun513 | 12:7060e287bdae | 173 | uint8_t retransmitIndices[BLE_RETRANSMISSION_BUF] = {0,}; |
| stormysun513 | 12:7060e287bdae | 174 | |
| stormysun513 | 12:7060e287bdae | 175 | // The Nordic UART Service |
| stormysun513 | 12:7060e287bdae | 176 | static const uint8_t uart_base_uuid[] = {0x71, 0x3D, 0, 0, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E}; |
| stormysun513 | 12:7060e287bdae | 177 | static const uint8_t uart_tx_uuid[] = {0x71, 0x3D, 0, 3, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E}; |
| stormysun513 | 12:7060e287bdae | 178 | static const uint8_t uart_rx_uuid[] = {0x71, 0x3D, 0, 2, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E}; |
| stormysun513 | 12:7060e287bdae | 179 | static const uint8_t uart_base_uuid_rev[] = {0x1E, 0x94, 0x8D, 0xF1, 0x48, 0x31, 0x94, 0xBA, 0x75, 0x4C, 0x3E, 0x50, 0, 0, 0x3D, 0x71}; |
| stormysun513 | 12:7060e287bdae | 180 | |
| stormysun513 | 12:7060e287bdae | 181 | /* GATTs */ |
| stormysun513 | 12:7060e287bdae | 182 | GattCharacteristic txCharacteristic (uart_tx_uuid, uartTxPayload, 1, BLE_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE); |
| stormysun513 | 12:7060e287bdae | 183 | GattCharacteristic rxCharacteristic (uart_rx_uuid, uartRxPayload, 1, BLE_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY); |
| stormysun513 | 12:7060e287bdae | 184 | GattCharacteristic *uartChars[] = {&txCharacteristic, &rxCharacteristic}; |
| stormysun513 | 12:7060e287bdae | 185 | GattService uartService(uart_base_uuid, uartChars, sizeof(uartChars) / sizeof(GattCharacteristic *)); |
| dan | 0:7dec7e9ac085 | 186 | |
| RedBearLab | 10:9e24f9f4ac47 | 187 | int main() |
| RedBearLab | 10:9e24f9f4ac47 | 188 | { |
| stormysun513 | 12:7060e287bdae | 189 | pc.baud(UART_BAUDRATE); |
| stormysun513 | 12:7060e287bdae | 190 | pc.attach(uartRxCB , pc.RxIrq); |
| stormysun513 | 12:7060e287bdae | 191 | pc.set_flow_control(pc.Disabled); |
| stormysun513 | 12:7060e287bdae | 192 | RingBuffer_init(&ringBuffer); |
| stormysun513 | 12:7060e287bdae | 193 | |
| stormysun513 | 12:7060e287bdae | 194 | pI2C = new I2C(SDA_PIN, SCL_PIN); |
| stormysun513 | 12:7060e287bdae | 195 | pLedInsertion = new DigitalOut(INSERTION_LED_PIN); |
| stormysun513 | 12:7060e287bdae | 196 | |
| stormysun513 | 11:b3929de96933 | 197 | ticker.attach_us(timerPeriodicalCB, MINIMUM_TICKER_PERIOD); |
| stormysun513 | 12:7060e287bdae | 198 | pButton = new InterruptIn(BTN_POWER_ON_PIN); |
| stormysun513 | 12:7060e287bdae | 199 | pButton->fall(buttonInterruptServiceRoutine); |
| stormysun513 | 12:7060e287bdae | 200 | |
| stormysun513 | 12:7060e287bdae | 201 | ble.init(bleInitCompleteCB); |
| stormysun513 | 12:7060e287bdae | 202 | ble.onConnection(bleOnConnectionCB); |
| stormysun513 | 12:7060e287bdae | 203 | ble.onDisconnection(bleDisconnectionCB); |
| stormysun513 | 12:7060e287bdae | 204 | ble.onDataWritten(bleCharacteristicWrittenCB); |
| stormysun513 | 12:7060e287bdae | 205 | |
| stormysun513 | 12:7060e287bdae | 206 | // NVIC_SetPriority(RADIO_IRQn, 0); |
| stormysun513 | 12:7060e287bdae | 207 | // NVIC_SetPriority(UART0_IRQn, 1); |
| stormysun513 | 12:7060e287bdae | 208 | // NVIC_SetPriority(RTC1_IRQn, 2); |
| stormysun513 | 12:7060e287bdae | 209 | |
| stormysun513 | 12:7060e287bdae | 210 | // setup advertising // Restricted to 31 bytes |
| stormysun513 | 12:7060e287bdae | 211 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
| stormysun513 | 12:7060e287bdae | 212 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
| stormysun513 | 12:7060e287bdae | 213 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, (const uint8_t *)"BLETest", sizeof("BLETest") - 1); |
| stormysun513 | 12:7060e287bdae | 214 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, (const uint8_t *)uart_base_uuid_rev, sizeof(uart_base_uuid)); |
| stormysun513 | 12:7060e287bdae | 215 | ble.gap().setDeviceName("BLETest"); |
| stormysun513 | 12:7060e287bdae | 216 | |
| stormysun513 | 12:7060e287bdae | 217 | ble.gap().accumulateScanResponse(GapAdvertisingData::COMPLETE_LOCAL_NAME, (const uint8_t *)"myble2", sizeof("myble2") - 1); |
| stormysun513 | 12:7060e287bdae | 218 | ble.setAdvertisingInterval(160); // 100ms; in multiples of 0.625ms. |
| stormysun513 | 12:7060e287bdae | 219 | ble.addService(uartService); |
| stormysun513 | 12:7060e287bdae | 220 | |
| stormysun513 | 12:7060e287bdae | 221 | ble.startAdvertising(); |
| stormysun513 | 11:b3929de96933 | 222 | |
| stormysun513 | 11:b3929de96933 | 223 | while(true){ |
| stormysun513 | 12:7060e287bdae | 224 | |
| stormysun513 | 12:7060e287bdae | 225 | #ifdef APPLICATION_TIMEOUT |
| stormysun513 | 12:7060e287bdae | 226 | if(disConnIdleCnt >= MAX_DISCONN_IDLE && systemState == SYS_RELAXING_BUTTON){ |
| stormysun513 | 12:7060e287bdae | 227 | shutdownDevice(); |
| stormysun513 | 12:7060e287bdae | 228 | } |
| stormysun513 | 12:7060e287bdae | 229 | else if(connIdleCnt >= MAX_CONN_IDLE){ |
| stormysun513 | 12:7060e287bdae | 230 | if(bleHandle != 0) |
| stormysun513 | 12:7060e287bdae | 231 | ble.disconnect(bleHandle, Gap::CONNECTION_TIMEOUT); |
| stormysun513 | 12:7060e287bdae | 232 | systemState = SYS_RELAXING_BUTTON; |
| stormysun513 | 12:7060e287bdae | 233 | } |
| stormysun513 | 12:7060e287bdae | 234 | #endif |
| stormysun513 | 12:7060e287bdae | 235 | |
| stormysun513 | 12:7060e287bdae | 236 | switch (systemState) { |
| stormysun513 | 12:7060e287bdae | 237 | case SYS_POWERSAVING: |
| stormysun513 | 12:7060e287bdae | 238 | case SYS_RELAXING_BUTTON: |
| stormysun513 | 12:7060e287bdae | 239 | switch (buttonState) { |
| stormysun513 | 12:7060e287bdae | 240 | case BTN_CHANGE_ANALOG: |
| stormysun513 | 12:7060e287bdae | 241 | changeButtonPinToAnalogIn(); |
| stormysun513 | 12:7060e287bdae | 242 | break; |
| stormysun513 | 12:7060e287bdae | 243 | case BTN_CHECK_LONG_PRESS: |
| stormysun513 | 12:7060e287bdae | 244 | buttonCheckLongPress(checkButtonCounter); |
| stormysun513 | 12:7060e287bdae | 245 | break; |
| stormysun513 | 12:7060e287bdae | 246 | case BTN_IDLE: |
| stormysun513 | 12:7060e287bdae | 247 | default: |
| stormysun513 | 12:7060e287bdae | 248 | break; |
| stormysun513 | 12:7060e287bdae | 249 | } |
| stormysun513 | 12:7060e287bdae | 250 | break; |
| stormysun513 | 12:7060e287bdae | 251 | case SYS_LOCKING_BUTTON: |
| stormysun513 | 12:7060e287bdae | 252 | buttonState = BTN_IDLE; |
| stormysun513 | 12:7060e287bdae | 253 | break; |
| stormysun513 | 12:7060e287bdae | 254 | } |
| stormysun513 | 12:7060e287bdae | 255 | |
| stormysun513 | 12:7060e287bdae | 256 | if(isCheckBuf){ |
| stormysun513 | 12:7060e287bdae | 257 | isCheckBuf = false; |
| stormysun513 | 12:7060e287bdae | 258 | timerCheckBuffer(); |
| stormysun513 | 12:7060e287bdae | 259 | } |
| stormysun513 | 12:7060e287bdae | 260 | |
| stormysun513 | 12:7060e287bdae | 261 | if(isRoutine){ |
| stormysun513 | 12:7060e287bdae | 262 | isRoutine = false; |
| stormysun513 | 12:7060e287bdae | 263 | timerRoutineTasks(); |
| stormysun513 | 12:7060e287bdae | 264 | } |
| stormysun513 | 12:7060e287bdae | 265 | |
| stormysun513 | 12:7060e287bdae | 266 | if( isEnterMainLoop ){ |
| stormysun513 | 12:7060e287bdae | 267 | switch (stm32State){ |
| stormysun513 | 12:7060e287bdae | 268 | case STM32_IMAGE_FORWARDING:{ |
| stormysun513 | 12:7060e287bdae | 269 | if (setImgPktPayloadByID == false){ |
| stormysun513 | 12:7060e287bdae | 270 | uint8_t check = 0; |
| stormysun513 | 12:7060e287bdae | 271 | RingBuffer_read(&ringBuffer, &check, 1); |
| stormysun513 | 12:7060e287bdae | 272 | HeaderTypeDef header = static_cast<HeaderTypeDef>(check); |
| stormysun513 | 12:7060e287bdae | 273 | if (header == SYS_HEADER_IMAGE_PACKET){ |
| stormysun513 | 12:7060e287bdae | 274 | if (currentPacketIndex != (packetNum-1)) |
| stormysun513 | 12:7060e287bdae | 275 | targetPayload = UART_PACKET_SIZE + 3; |
| stormysun513 | 12:7060e287bdae | 276 | else |
| stormysun513 | 12:7060e287bdae | 277 | targetPayload = lastPacketSize + 3; |
| stormysun513 | 12:7060e287bdae | 278 | |
| stormysun513 | 12:7060e287bdae | 279 | alreadyTransferred = 0; |
| stormysun513 | 12:7060e287bdae | 280 | setImgPktPayloadByID = true; |
| stormysun513 | 12:7060e287bdae | 281 | waitCamera = 0; |
| stormysun513 | 12:7060e287bdae | 282 | } |
| stormysun513 | 12:7060e287bdae | 283 | } |
| stormysun513 | 12:7060e287bdae | 284 | else { |
| stormysun513 | 12:7060e287bdae | 285 | uint16_t numBytes = RingBuffer_availableDataAmount(&ringBuffer); |
| stormysun513 | 12:7060e287bdae | 286 | while((numBytes >= (BLE_BUF_LEN-1)) || (directForward == true)){ |
| stormysun513 | 12:7060e287bdae | 287 | waitCamera = 0; |
| stormysun513 | 12:7060e287bdae | 288 | uint16_t diff = numBytes; |
| stormysun513 | 12:7060e287bdae | 289 | if(diff > (BLE_BUF_LEN-1)) |
| stormysun513 | 12:7060e287bdae | 290 | diff = (BLE_BUF_LEN-1); |
| stormysun513 | 12:7060e287bdae | 291 | uartRxPayload[0] = static_cast<uint8_t>(SYS_HEADER_IMAGE_PACKET); |
| stormysun513 | 12:7060e287bdae | 292 | |
| stormysun513 | 12:7060e287bdae | 293 | RingBuffer_read(&ringBuffer, uartRxPayload+1, diff); |
| stormysun513 | 12:7060e287bdae | 294 | |
| stormysun513 | 12:7060e287bdae | 295 | if(mHandle != 0){ |
| stormysun513 | 12:7060e287bdae | 296 | ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), uartRxPayload, diff+1); |
| stormysun513 | 12:7060e287bdae | 297 | alreadyTransferred += diff; |
| stormysun513 | 12:7060e287bdae | 298 | numBytes -= diff; |
| stormysun513 | 12:7060e287bdae | 299 | } |
| stormysun513 | 12:7060e287bdae | 300 | |
| stormysun513 | 12:7060e287bdae | 301 | if(directForward == true || alreadyTransferred >= targetPayload){ |
| stormysun513 | 12:7060e287bdae | 302 | __disable_irq(); // Disable Interrupts |
| stormysun513 | 12:7060e287bdae | 303 | setImgPktPayloadByID = false; |
| stormysun513 | 12:7060e287bdae | 304 | __enable_irq(); |
| stormysun513 | 12:7060e287bdae | 305 | directForward = false; |
| stormysun513 | 12:7060e287bdae | 306 | RingBuffer_init(&ringBuffer); |
| stormysun513 | 12:7060e287bdae | 307 | |
| stormysun513 | 12:7060e287bdae | 308 | if(isRetransmit == false){ |
| stormysun513 | 12:7060e287bdae | 309 | currentPacketIndex++; |
| stormysun513 | 12:7060e287bdae | 310 | } |
| stormysun513 | 12:7060e287bdae | 311 | else{ |
| stormysun513 | 12:7060e287bdae | 312 | retransmitIndex++; |
| stormysun513 | 12:7060e287bdae | 313 | if(retransmitIndex >= retransmitSize){ |
| stormysun513 | 12:7060e287bdae | 314 | retransmitSize = 0; |
| stormysun513 | 12:7060e287bdae | 315 | resetSTM32StateType(); |
| stormysun513 | 12:7060e287bdae | 316 | break; |
| stormysun513 | 12:7060e287bdae | 317 | } |
| stormysun513 | 12:7060e287bdae | 318 | else{ |
| stormysun513 | 12:7060e287bdae | 319 | currentPacketIndex = retransmitIndices[retransmitIndex]; |
| stormysun513 | 12:7060e287bdae | 320 | } |
| stormysun513 | 12:7060e287bdae | 321 | } |
| stormysun513 | 12:7060e287bdae | 322 | |
| stormysun513 | 12:7060e287bdae | 323 | if(currentPacketIndex == packetNum && isRetransmit == false){ |
| stormysun513 | 12:7060e287bdae | 324 | /* TODO retransmission */ |
| stormysun513 | 12:7060e287bdae | 325 | isRetransmit = true; |
| stormysun513 | 12:7060e287bdae | 326 | if(retransmitSize > 0){ |
| stormysun513 | 12:7060e287bdae | 327 | uartRxState = UARTRX_CHECK_FIRST_PREAMBLE; |
| stormysun513 | 12:7060e287bdae | 328 | retransmitIndex = 0; |
| stormysun513 | 12:7060e287bdae | 329 | currentPacketIndex = retransmitIndices[retransmitIndex]; |
| stormysun513 | 12:7060e287bdae | 330 | requestForImagePacket(currentPacketIndex); |
| stormysun513 | 12:7060e287bdae | 331 | } |
| stormysun513 | 12:7060e287bdae | 332 | else{ |
| stormysun513 | 12:7060e287bdae | 333 | resetSTM32StateType(); |
| stormysun513 | 12:7060e287bdae | 334 | } |
| stormysun513 | 12:7060e287bdae | 335 | } |
| stormysun513 | 12:7060e287bdae | 336 | else{ |
| stormysun513 | 12:7060e287bdae | 337 | uartRxState = UARTRX_CHECK_FIRST_PREAMBLE; |
| stormysun513 | 12:7060e287bdae | 338 | requestForImagePacket(currentPacketIndex); |
| stormysun513 | 12:7060e287bdae | 339 | } |
| stormysun513 | 12:7060e287bdae | 340 | break; |
| stormysun513 | 12:7060e287bdae | 341 | } |
| stormysun513 | 12:7060e287bdae | 342 | } |
| stormysun513 | 12:7060e287bdae | 343 | } |
| stormysun513 | 12:7060e287bdae | 344 | break; |
| stormysun513 | 12:7060e287bdae | 345 | } |
| stormysun513 | 12:7060e287bdae | 346 | case STM32_CHECK_HEADER:{ |
| stormysun513 | 12:7060e287bdae | 347 | uint8_t buf[BLE_BUF_LEN] = {0,}; |
| stormysun513 | 12:7060e287bdae | 348 | HeaderTypeDef header; |
| stormysun513 | 12:7060e287bdae | 349 | switch (waitHeader) { |
| stormysun513 | 12:7060e287bdae | 350 | /* Image info */ |
| stormysun513 | 12:7060e287bdae | 351 | case SYS_HEADER_IMAGE_INFO: |
| stormysun513 | 12:7060e287bdae | 352 | RingBuffer_read(&ringBuffer, buf, 1); |
| stormysun513 | 12:7060e287bdae | 353 | header = static_cast<HeaderTypeDef>(buf[0]); |
| stormysun513 | 12:7060e287bdae | 354 | if (header == SYS_HEADER_IMAGE_INFO){ |
| stormysun513 | 12:7060e287bdae | 355 | RingBuffer_read(&ringBuffer, buf+1, SINGLE_UINT16_PAYLOAD-1); |
| stormysun513 | 12:7060e287bdae | 356 | if(mHandle != 0) |
| stormysun513 | 12:7060e287bdae | 357 | ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, SINGLE_UINT16_PAYLOAD); |
| stormysun513 | 12:7060e287bdae | 358 | |
| stormysun513 | 12:7060e287bdae | 359 | uint16_t totalDataLength = buf[1]*256 + buf[2]; |
| stormysun513 | 12:7060e287bdae | 360 | packetNum = totalDataLength/UART_PACKET_SIZE; |
| stormysun513 | 12:7060e287bdae | 361 | lastPacketSize = totalDataLength%UART_PACKET_SIZE; |
| stormysun513 | 12:7060e287bdae | 362 | if(totalDataLength%UART_PACKET_SIZE != 0) |
| stormysun513 | 12:7060e287bdae | 363 | packetNum++; |
| stormysun513 | 12:7060e287bdae | 364 | else |
| stormysun513 | 12:7060e287bdae | 365 | lastPacketSize = UART_PACKET_SIZE; |
| stormysun513 | 12:7060e287bdae | 366 | |
| stormysun513 | 12:7060e287bdae | 367 | currentPacketIndex = 0; |
| stormysun513 | 12:7060e287bdae | 368 | resetSTM32StateType(); |
| stormysun513 | 12:7060e287bdae | 369 | } |
| stormysun513 | 12:7060e287bdae | 370 | break; |
| stormysun513 | 12:7060e287bdae | 371 | case SYS_HEADER_SALIVA_VOLTAGE: |
| stormysun513 | 12:7060e287bdae | 372 | RingBuffer_read(&ringBuffer, buf, 1); |
| stormysun513 | 12:7060e287bdae | 373 | header = static_cast<HeaderTypeDef>(buf[0]); |
| stormysun513 | 12:7060e287bdae | 374 | if (header == SYS_HEADER_SALIVA_VOLTAGE){ |
| stormysun513 | 12:7060e287bdae | 375 | RingBuffer_read(&ringBuffer, buf+1, SINGLE_UINT16_PAYLOAD-1); |
| stormysun513 | 12:7060e287bdae | 376 | if(mHandle != 0) |
| stormysun513 | 12:7060e287bdae | 377 | ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, SINGLE_UINT16_PAYLOAD); |
| stormysun513 | 12:7060e287bdae | 378 | |
| stormysun513 | 12:7060e287bdae | 379 | stm32State = STM32_CHECK_HEADER; |
| stormysun513 | 12:7060e287bdae | 380 | uartRxState = UARTRX_CHECK_FIRST_PREAMBLE; |
| stormysun513 | 12:7060e287bdae | 381 | } |
| stormysun513 | 12:7060e287bdae | 382 | break; |
| stormysun513 | 12:7060e287bdae | 383 | case SYS_HEADER_NO_SPECIFIC: |
| stormysun513 | 12:7060e287bdae | 384 | default: |
| stormysun513 | 12:7060e287bdae | 385 | break; |
| stormysun513 | 12:7060e287bdae | 386 | } |
| stormysun513 | 12:7060e287bdae | 387 | break; |
| stormysun513 | 12:7060e287bdae | 388 | } |
| stormysun513 | 12:7060e287bdae | 389 | case STM32_IDLE: |
| stormysun513 | 12:7060e287bdae | 390 | default: |
| stormysun513 | 12:7060e287bdae | 391 | break; |
| stormysun513 | 12:7060e287bdae | 392 | } |
| stormysun513 | 12:7060e287bdae | 393 | isEnterMainLoop = false; |
| stormysun513 | 12:7060e287bdae | 394 | } |
| stormysun513 | 12:7060e287bdae | 395 | ble.waitForEvent(); |
| stevep | 4:81cea7a352b0 | 396 | } |
| dan | 0:7dec7e9ac085 | 397 | } |
| stormysun513 | 11:b3929de96933 | 398 | |
| stormysun513 | 12:7060e287bdae | 399 | void bleInitCompleteCB(struct BLE::InitializationCompleteCallbackContext *context){ |
| stormysun513 | 12:7060e287bdae | 400 | if (context->error != BLE_ERROR_NONE) |
| stormysun513 | 12:7060e287bdae | 401 | return; |
| stormysun513 | 12:7060e287bdae | 402 | |
| stormysun513 | 12:7060e287bdae | 403 | if (context->ble.getInstanceID() == BLE::DEFAULT_INSTANCE){ |
| stormysun513 | 12:7060e287bdae | 404 | /* use the BLE instance */ |
| stormysun513 | 12:7060e287bdae | 405 | return; |
| stormysun513 | 12:7060e287bdae | 406 | } |
| stormysun513 | 12:7060e287bdae | 407 | } |
| stormysun513 | 12:7060e287bdae | 408 | |
| stormysun513 | 12:7060e287bdae | 409 | void bleOnConnectionCB(const Gap::ConnectionCallbackParams_t *p_conn_param){ |
| stormysun513 | 12:7060e287bdae | 410 | mHandle = p_conn_param->handle; |
| stormysun513 | 12:7060e287bdae | 411 | #ifdef APPLICATION_TIMEOUT |
| stormysun513 | 12:7060e287bdae | 412 | connIdleCnt = 0; |
| stormysun513 | 12:7060e287bdae | 413 | #endif |
| stormysun513 | 12:7060e287bdae | 414 | bleReduceConnInterval(); |
| stormysun513 | 12:7060e287bdae | 415 | } |
| stormysun513 | 12:7060e287bdae | 416 | |
| stormysun513 | 12:7060e287bdae | 417 | void bleDisconnectionCB(const Gap::DisconnectionCallbackParams_t *params){ |
| stormysun513 | 12:7060e287bdae | 418 | mHandle = 0; |
| stormysun513 | 12:7060e287bdae | 419 | if(systemState != SYS_POWERSAVING){ |
| stormysun513 | 12:7060e287bdae | 420 | #ifdef APPLICATION_TIMEOUT |
| stormysun513 | 12:7060e287bdae | 421 | disConnIdleCnt = 0; |
| stormysun513 | 12:7060e287bdae | 422 | #endif |
| stormysun513 | 12:7060e287bdae | 423 | ble.startAdvertising(); |
| stormysun513 | 12:7060e287bdae | 424 | } |
| stormysun513 | 12:7060e287bdae | 425 | } |
| stormysun513 | 12:7060e287bdae | 426 | |
| stormysun513 | 12:7060e287bdae | 427 | void bleCharacteristicWrittenCB(const GattWriteCallbackParams *Handler){ |
| stormysun513 | 12:7060e287bdae | 428 | uint16_t bleBytesRead; |
| stormysun513 | 12:7060e287bdae | 429 | if (Handler->handle == txCharacteristic.getValueAttribute().getHandle()) |
| stormysun513 | 12:7060e287bdae | 430 | { |
| stormysun513 | 12:7060e287bdae | 431 | #ifdef APPLICATION_TIMEOUT |
| stormysun513 | 12:7060e287bdae | 432 | connIdleCnt = 0; |
| stormysun513 | 12:7060e287bdae | 433 | #endif |
| stormysun513 | 12:7060e287bdae | 434 | ble.readCharacteristicValue(txCharacteristic.getValueAttribute().getHandle(), uartTxPayload, &bleBytesRead); |
| stormysun513 | 12:7060e287bdae | 435 | if(bleBytesRead == 0) |
| stormysun513 | 12:7060e287bdae | 436 | return; |
| stormysun513 | 12:7060e287bdae | 437 | |
| stormysun513 | 12:7060e287bdae | 438 | BLECommandTypeDef command = static_cast<BLECommandTypeDef>(uartTxPayload[0]); |
| stormysun513 | 12:7060e287bdae | 439 | bool isUARTCommand = false; |
| stormysun513 | 12:7060e287bdae | 440 | switch(command){ |
| stormysun513 | 12:7060e287bdae | 441 | case BLE_SWITCH_NOTIFICATION_MODE: |
| stormysun513 | 12:7060e287bdae | 442 | infoNotification = !infoNotification; |
| stormysun513 | 12:7060e287bdae | 443 | break; |
| stormysun513 | 12:7060e287bdae | 444 | case BLE_REQUEST_SALIVA_VOLTAGE: |
| stormysun513 | 12:7060e287bdae | 445 | waitHeader = SYS_HEADER_SALIVA_VOLTAGE; |
| stormysun513 | 12:7060e287bdae | 446 | salivaPeriodically = true; |
| stormysun513 | 12:7060e287bdae | 447 | systemState = SYS_LOCKING_BUTTON; // Lock Begin |
| stormysun513 | 12:7060e287bdae | 448 | break; |
| stormysun513 | 12:7060e287bdae | 449 | case BLE_DEREQUEST_SALIVA_VOLTAGE: |
| stormysun513 | 12:7060e287bdae | 450 | salivaPeriodically = false; |
| stormysun513 | 12:7060e287bdae | 451 | systemState = SYS_RELAXING_BUTTON; // for debug (Lock end) |
| stormysun513 | 12:7060e287bdae | 452 | break; |
| stormysun513 | 12:7060e287bdae | 453 | case BLE_REQUEST_IMAGE_INFO: |
| stormysun513 | 12:7060e287bdae | 454 | waitHeader = SYS_HEADER_IMAGE_INFO; |
| stormysun513 | 12:7060e287bdae | 455 | isUARTCommand = true; |
| stormysun513 | 12:7060e287bdae | 456 | salivaPeriodically = false; |
| stormysun513 | 12:7060e287bdae | 457 | break; |
| stormysun513 | 12:7060e287bdae | 458 | case BLE_END_IMAGE_TRANSFER: |
| stormysun513 | 12:7060e287bdae | 459 | isRetransmit = false; |
| stormysun513 | 12:7060e287bdae | 460 | packetNum = 0; |
| stormysun513 | 12:7060e287bdae | 461 | resetSTM32StateType(); |
| stormysun513 | 12:7060e287bdae | 462 | break; |
| stormysun513 | 12:7060e287bdae | 463 | case BLE_SHUTDOWN: |
| stormysun513 | 12:7060e287bdae | 464 | changeButtonPinToInterrupt(); |
| stormysun513 | 12:7060e287bdae | 465 | shutdownDevice(); |
| stormysun513 | 12:7060e287bdae | 466 | break; |
| stormysun513 | 12:7060e287bdae | 467 | case BLE_UNLOCK_BUTTON: |
| stormysun513 | 12:7060e287bdae | 468 | systemState = SYS_RELAXING_BUTTON; |
| stormysun513 | 12:7060e287bdae | 469 | break; |
| stormysun513 | 12:7060e287bdae | 470 | case BLE_UART_DEBUG:{ |
| stormysun513 | 12:7060e287bdae | 471 | uint8_t debugHeader = 0xF1; |
| stormysun513 | 12:7060e287bdae | 472 | uartTxTransmit(&debugHeader, 1); |
| stormysun513 | 12:7060e287bdae | 473 | break; |
| stormysun513 | 12:7060e287bdae | 474 | } |
| stormysun513 | 12:7060e287bdae | 475 | case BLE_REQUEST_IMAGE_BY_INDEX: |
| stormysun513 | 12:7060e287bdae | 476 | if(bleBytesRead >= 2){ |
| stormysun513 | 12:7060e287bdae | 477 | salivaPeriodically = false; |
| stormysun513 | 12:7060e287bdae | 478 | uint8_t check = uartTxPayload[1]; |
| stormysun513 | 12:7060e287bdae | 479 | if(check == 0){ |
| stormysun513 | 12:7060e287bdae | 480 | if(packetNum > 0){ |
| stormysun513 | 12:7060e287bdae | 481 | setImgPktPayloadByID = false; |
| stormysun513 | 12:7060e287bdae | 482 | directForward = false; |
| stormysun513 | 12:7060e287bdae | 483 | RingBuffer_init(&ringBuffer); |
| stormysun513 | 12:7060e287bdae | 484 | currentPacketIndex = 0; |
| stormysun513 | 12:7060e287bdae | 485 | isRetransmit = false; |
| stormysun513 | 12:7060e287bdae | 486 | retransmitSize = 0; |
| stormysun513 | 12:7060e287bdae | 487 | stm32State = STM32_IMAGE_FORWARDING; |
| stormysun513 | 12:7060e287bdae | 488 | uartRxState = UARTRX_CHECK_FIRST_PREAMBLE; |
| stormysun513 | 12:7060e287bdae | 489 | requestForImagePacket(currentPacketIndex); |
| stormysun513 | 12:7060e287bdae | 490 | } |
| stormysun513 | 12:7060e287bdae | 491 | } |
| stormysun513 | 12:7060e287bdae | 492 | else if(check <= 18){ |
| stormysun513 | 12:7060e287bdae | 493 | if(bleBytesRead < check+2) |
| stormysun513 | 12:7060e287bdae | 494 | break; |
| stormysun513 | 12:7060e287bdae | 495 | retransmitSize = check; |
| stormysun513 | 12:7060e287bdae | 496 | memcpy(retransmitIndices, uartTxPayload+2, retransmitSize); |
| stormysun513 | 12:7060e287bdae | 497 | if(isRetransmit == true){ |
| stormysun513 | 12:7060e287bdae | 498 | stm32State = STM32_IMAGE_FORWARDING; |
| stormysun513 | 12:7060e287bdae | 499 | uartRxState = UARTRX_CHECK_FIRST_PREAMBLE; |
| stormysun513 | 12:7060e287bdae | 500 | retransmitIndex = 0; |
| stormysun513 | 12:7060e287bdae | 501 | currentPacketIndex = retransmitIndices[retransmitIndex]; |
| stormysun513 | 12:7060e287bdae | 502 | requestForImagePacket(currentPacketIndex); |
| stormysun513 | 12:7060e287bdae | 503 | } |
| stormysun513 | 12:7060e287bdae | 504 | else{ |
| stormysun513 | 12:7060e287bdae | 505 | uartRxState = UARTRX_CHECK_FIRST_PREAMBLE; |
| stormysun513 | 12:7060e287bdae | 506 | requestForImagePacket(currentPacketIndex); |
| stormysun513 | 12:7060e287bdae | 507 | } |
| stormysun513 | 12:7060e287bdae | 508 | } |
| stormysun513 | 12:7060e287bdae | 509 | else{ |
| stormysun513 | 12:7060e287bdae | 510 | /* Invalid check number */ |
| stormysun513 | 12:7060e287bdae | 511 | } |
| stormysun513 | 12:7060e287bdae | 512 | } |
| stormysun513 | 12:7060e287bdae | 513 | break; |
| stormysun513 | 12:7060e287bdae | 514 | case BLE_CHANGE_DEVICE_ID: |
| stormysun513 | 12:7060e287bdae | 515 | if(bleBytesRead >= 3) |
| stormysun513 | 12:7060e287bdae | 516 | writeAT24EEPROMBuffer(*pI2C, 0, (char*)uartTxPayload+1, 2); |
| stormysun513 | 12:7060e287bdae | 517 | break; |
| stormysun513 | 12:7060e287bdae | 518 | default: |
| stormysun513 | 12:7060e287bdae | 519 | break; |
| stormysun513 | 12:7060e287bdae | 520 | } |
| stormysun513 | 12:7060e287bdae | 521 | if(isUARTCommand){ |
| stormysun513 | 12:7060e287bdae | 522 | stm32State = STM32_CHECK_HEADER; |
| stormysun513 | 12:7060e287bdae | 523 | uartRxState = UARTRX_CHECK_FIRST_PREAMBLE; |
| stormysun513 | 12:7060e287bdae | 524 | uartTxTransmit(uartTxPayload, 1); |
| stormysun513 | 12:7060e287bdae | 525 | } |
| stormysun513 | 12:7060e287bdae | 526 | } |
| stormysun513 | 12:7060e287bdae | 527 | } |
| stormysun513 | 12:7060e287bdae | 528 | |
| stormysun513 | 12:7060e287bdae | 529 | void bleReduceConnInterval(void){ |
| stormysun513 | 12:7060e287bdae | 530 | Gap::ConnectionParams_t bleGapConnParamInitStruct; |
| stormysun513 | 12:7060e287bdae | 531 | bleGapConnParamInitStruct.minConnectionInterval = BLE_GAP_CP_MIN_CONN_INTVL_MIN; /*Minimum Connection Interval in 1.25 ms*/ |
| stormysun513 | 12:7060e287bdae | 532 | bleGapConnParamInitStruct.maxConnectionInterval = BLE_GAP_CP_MIN_CONN_INTVL_MIN; /*Minimum Connection Interval in 1.25 ms*/ |
| stormysun513 | 12:7060e287bdae | 533 | bleGapConnParamInitStruct.slaveLatency = 0; /*Slave Latency in number of connection events*/ |
| stormysun513 | 12:7060e287bdae | 534 | bleGapConnParamInitStruct.connectionSupervisionTimeout = BLE_GAP_CP_CONN_SUP_TIMEOUT_MIN; /*Connection Supervision Timeout in 10 ms*/ |
| stormysun513 | 12:7060e287bdae | 535 | |
| stormysun513 | 12:7060e287bdae | 536 | ble.gap().updateConnectionParams(mHandle, &bleGapConnParamInitStruct); |
| stormysun513 | 12:7060e287bdae | 537 | } |
| stormysun513 | 12:7060e287bdae | 538 | |
| stormysun513 | 11:b3929de96933 | 539 | void timerPeriodicalCB(void){ |
| stormysun513 | 11:b3929de96933 | 540 | static uint32_t time = 0; |
| stormysun513 | 11:b3929de96933 | 541 | time++; |
| stormysun513 | 11:b3929de96933 | 542 | |
| stormysun513 | 11:b3929de96933 | 543 | if ( time % 100 == 2 ) { // 250ms |
| stormysun513 | 12:7060e287bdae | 544 | if(buttonState == BTN_CHECK_LONG_PRESS) |
| stormysun513 | 12:7060e287bdae | 545 | checkButtonCounter++; |
| stormysun513 | 11:b3929de96933 | 546 | } |
| stormysun513 | 11:b3929de96933 | 547 | |
| stormysun513 | 12:7060e287bdae | 548 | if(systemState != SYS_POWERSAVING){ |
| stormysun513 | 12:7060e287bdae | 549 | if ( time % 3 == 1 ) { // 7.5ms |
| stormysun513 | 12:7060e287bdae | 550 | isCheckBuf = true; |
| stormysun513 | 12:7060e287bdae | 551 | } |
| stormysun513 | 12:7060e287bdae | 552 | |
| stormysun513 | 12:7060e287bdae | 553 | if ( time % 50 == 2 ) { // 250ms |
| stormysun513 | 12:7060e287bdae | 554 | if(isInserted) |
| stormysun513 | 12:7060e287bdae | 555 | timerFlashLed(); |
| stormysun513 | 12:7060e287bdae | 556 | } |
| stormysun513 | 12:7060e287bdae | 557 | |
| stormysun513 | 12:7060e287bdae | 558 | if ( time % 200 == 3 ) { // 500ms |
| stormysun513 | 12:7060e287bdae | 559 | if(!isInserted) |
| stormysun513 | 12:7060e287bdae | 560 | timerFlashLed(); |
| stormysun513 | 12:7060e287bdae | 561 | } |
| stormysun513 | 12:7060e287bdae | 562 | |
| stormysun513 | 12:7060e287bdae | 563 | if ( time % 400 == 4 ) { // 1s |
| stormysun513 | 12:7060e287bdae | 564 | isRoutine = true; |
| stormysun513 | 12:7060e287bdae | 565 | #ifdef APPLICATION_TIMEOUT |
| stormysun513 | 12:7060e287bdae | 566 | if(bleHandle == 0) |
| stormysun513 | 12:7060e287bdae | 567 | disConnIdleCnt++; |
| stormysun513 | 12:7060e287bdae | 568 | else |
| stormysun513 | 12:7060e287bdae | 569 | connIdleCnt++; |
| stormysun513 | 12:7060e287bdae | 570 | #endif |
| stormysun513 | 12:7060e287bdae | 571 | } |
| stormysun513 | 12:7060e287bdae | 572 | |
| stormysun513 | 12:7060e287bdae | 573 | if ( time % 800 == 5 ) { |
| stormysun513 | 12:7060e287bdae | 574 | if(salivaPeriodically == true) |
| stormysun513 | 12:7060e287bdae | 575 | requestSalivaVoltage(); |
| stormysun513 | 12:7060e287bdae | 576 | } |
| stormysun513 | 11:b3929de96933 | 577 | } |
| stormysun513 | 11:b3929de96933 | 578 | } |
| stormysun513 | 11:b3929de96933 | 579 | |
| stormysun513 | 11:b3929de96933 | 580 | void timerFlashLed(void){ |
| stormysun513 | 12:7060e287bdae | 581 | ledPower = !ledPower; |
| stormysun513 | 11:b3929de96933 | 582 | } |
| stormysun513 | 11:b3929de96933 | 583 | |
| stormysun513 | 12:7060e287bdae | 584 | void timerRoutineTasks(void){ |
| stormysun513 | 11:b3929de96933 | 585 | uint8_t buf[BLE_BUF_LEN] = {0,}; |
| stormysun513 | 12:7060e287bdae | 586 | buf[0] = SYS_HEADER_DEVICE_INFO; |
| stormysun513 | 12:7060e287bdae | 587 | bool result = readAT24EEPROMBuffer(*pI2C, 0, (char*)buf+1, 2); |
| stormysun513 | 11:b3929de96933 | 588 | |
| stormysun513 | 11:b3929de96933 | 589 | if(result == false){ |
| stormysun513 | 12:7060e287bdae | 590 | pLedInsertion->write(1); |
| stormysun513 | 12:7060e287bdae | 591 | isInserted = false; |
| stormysun513 | 11:b3929de96933 | 592 | buf[1] = 0xFF; |
| stormysun513 | 11:b3929de96933 | 593 | buf[2] = 0xFF; |
| stormysun513 | 11:b3929de96933 | 594 | } |
| stormysun513 | 11:b3929de96933 | 595 | else{ |
| stormysun513 | 12:7060e287bdae | 596 | isInserted = true; |
| stormysun513 | 12:7060e287bdae | 597 | pLedInsertion->write(0); |
| stormysun513 | 12:7060e287bdae | 598 | } |
| stormysun513 | 12:7060e287bdae | 599 | |
| stormysun513 | 12:7060e287bdae | 600 | float fvalue = (float)aniBatterVolt.read()*3.3*100; |
| stormysun513 | 12:7060e287bdae | 601 | uint16_t ivalue = (uint16_t)fvalue; |
| stormysun513 | 12:7060e287bdae | 602 | buf[3] = (ivalue >> 8) & 0xFF; |
| stormysun513 | 12:7060e287bdae | 603 | buf[4] = ivalue & 0xFF; |
| stormysun513 | 12:7060e287bdae | 604 | |
| stormysun513 | 12:7060e287bdae | 605 | // if(mHandle != 0 && infoNotification == true){ |
| stormysun513 | 12:7060e287bdae | 606 | // ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, DEVICE_INFO_PAYLOAD); |
| stormysun513 | 12:7060e287bdae | 607 | // } |
| stormysun513 | 12:7060e287bdae | 608 | |
| stormysun513 | 12:7060e287bdae | 609 | if(mHandle != 0 && infoNotification == true){ |
| stormysun513 | 12:7060e287bdae | 610 | ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, DEVICE_INFO_PAYLOAD); |
| stormysun513 | 12:7060e287bdae | 611 | } |
| stormysun513 | 12:7060e287bdae | 612 | } |
| stormysun513 | 12:7060e287bdae | 613 | |
| stormysun513 | 12:7060e287bdae | 614 | void uartTxTransmit(uint8_t* buf, uint16_t length){ |
| stormysun513 | 12:7060e287bdae | 615 | uint16_t index; |
| stormysun513 | 12:7060e287bdae | 616 | pc.putc(preamble[0]); |
| stormysun513 | 12:7060e287bdae | 617 | pc.putc(preamble[1]); |
| stormysun513 | 12:7060e287bdae | 618 | for(index = 0; index < length; index++) |
| stormysun513 | 12:7060e287bdae | 619 | { |
| stormysun513 | 12:7060e287bdae | 620 | pc.putc(buf[index]); |
| stormysun513 | 12:7060e287bdae | 621 | } |
| stormysun513 | 12:7060e287bdae | 622 | } |
| stormysun513 | 12:7060e287bdae | 623 | |
| stormysun513 | 12:7060e287bdae | 624 | // UARTRX Callback function |
| stormysun513 | 12:7060e287bdae | 625 | void uartRxCB(void){ |
| stormysun513 | 12:7060e287bdae | 626 | while(pc.readable()) |
| stormysun513 | 12:7060e287bdae | 627 | { |
| stormysun513 | 12:7060e287bdae | 628 | uint8_t byteIn = pc.getc(); |
| stormysun513 | 12:7060e287bdae | 629 | if(stm32State == STM32_IDLE) |
| stormysun513 | 12:7060e287bdae | 630 | continue; |
| stormysun513 | 12:7060e287bdae | 631 | |
| stormysun513 | 12:7060e287bdae | 632 | if(uartRxState == UARTRX_TRANSFERING_DATA){ |
| stormysun513 | 12:7060e287bdae | 633 | RingBuffer_writebyte(&ringBuffer, byteIn); |
| stormysun513 | 12:7060e287bdae | 634 | } |
| stormysun513 | 12:7060e287bdae | 635 | else if(uartRxState == UARTRX_CHECK_FIRST_PREAMBLE && byteIn == preamble[0]){ |
| stormysun513 | 12:7060e287bdae | 636 | uartRxState = UARTRX_CHECK_SECOND_PREAMBLE; |
| stormysun513 | 12:7060e287bdae | 637 | } |
| stormysun513 | 12:7060e287bdae | 638 | else if(uartRxState == UARTRX_CHECK_SECOND_PREAMBLE && byteIn == preamble[1]){ |
| stormysun513 | 12:7060e287bdae | 639 | uartRxState = UARTRX_TRANSFERING_DATA; |
| stormysun513 | 12:7060e287bdae | 640 | } |
| stormysun513 | 12:7060e287bdae | 641 | } |
| stormysun513 | 12:7060e287bdae | 642 | } |
| stormysun513 | 12:7060e287bdae | 643 | |
| stormysun513 | 12:7060e287bdae | 644 | void buttonInterruptServiceRoutine(void){ |
| stormysun513 | 12:7060e287bdae | 645 | if(buttonState == BTN_IDLE) |
| stormysun513 | 12:7060e287bdae | 646 | buttonState = BTN_CHANGE_ANALOG; |
| stormysun513 | 12:7060e287bdae | 647 | |
| stormysun513 | 12:7060e287bdae | 648 | if(systemState == SYS_POWERSAVING) |
| stormysun513 | 12:7060e287bdae | 649 | ticker.attach_us(timerPeriodicalCB, MINIMUM_TICKER_PERIOD); |
| stormysun513 | 12:7060e287bdae | 650 | } |
| stormysun513 | 12:7060e287bdae | 651 | |
| stormysun513 | 12:7060e287bdae | 652 | void buttonCheckLongPress(uint8_t counter){ |
| stormysun513 | 12:7060e287bdae | 653 | if(counter < CHECK_BUTTON_TIMES){ |
| stormysun513 | 12:7060e287bdae | 654 | if(pButtonAnalogIn != NULL && (float)pButtonAnalogIn->read() < CHECK_BUTTON_VOLTAGE_LEVEL){ |
| stormysun513 | 12:7060e287bdae | 655 | return; |
| stormysun513 | 12:7060e287bdae | 656 | } |
| stormysun513 | 12:7060e287bdae | 657 | else if(systemState == SYS_POWERSAVING){ |
| stormysun513 | 12:7060e287bdae | 658 | ticker.detach(); |
| stormysun513 | 12:7060e287bdae | 659 | } |
| stormysun513 | 12:7060e287bdae | 660 | } |
| stormysun513 | 12:7060e287bdae | 661 | else{ |
| stormysun513 | 12:7060e287bdae | 662 | buttonLongPressVerified(); |
| stormysun513 | 12:7060e287bdae | 663 | } |
| stormysun513 | 12:7060e287bdae | 664 | changeButtonPinToInterrupt(); |
| stormysun513 | 12:7060e287bdae | 665 | } |
| stormysun513 | 12:7060e287bdae | 666 | |
| stormysun513 | 12:7060e287bdae | 667 | void buttonLongPressVerified(void){ |
| stormysun513 | 12:7060e287bdae | 668 | checkButtonCounter = 0; |
| stormysun513 | 12:7060e287bdae | 669 | if(systemState == SYS_POWERSAVING){ |
| stormysun513 | 12:7060e287bdae | 670 | systemState = SYS_RELAXING_BUTTON; |
| stormysun513 | 12:7060e287bdae | 671 | ble.startAdvertising(); |
| stormysun513 | 12:7060e287bdae | 672 | #ifdef APPLICATION_TIMEOUT |
| stormysun513 | 12:7060e287bdae | 673 | disConnIdleCnt = 0; |
| stormysun513 | 12:7060e287bdae | 674 | #endif |
| stormysun513 | 12:7060e287bdae | 675 | ticker.attach_us(timerPeriodicalCB, MINIMUM_TICKER_PERIOD); |
| stormysun513 | 12:7060e287bdae | 676 | resetSTM32StateType(); |
| stormysun513 | 12:7060e287bdae | 677 | } |
| stormysun513 | 12:7060e287bdae | 678 | else if(systemState == SYS_RELAXING_BUTTON){ |
| stormysun513 | 12:7060e287bdae | 679 | shutdownDevice(); |
| stormysun513 | 12:7060e287bdae | 680 | } |
| stormysun513 | 12:7060e287bdae | 681 | } |
| stormysun513 | 12:7060e287bdae | 682 | |
| stormysun513 | 12:7060e287bdae | 683 | void changeButtonPinToAnalogIn(void){ |
| stormysun513 | 12:7060e287bdae | 684 | pButton->fall(NULL); |
| stormysun513 | 12:7060e287bdae | 685 | delete pButton; |
| stormysun513 | 12:7060e287bdae | 686 | checkButtonCounter = 0; |
| stormysun513 | 12:7060e287bdae | 687 | pButtonAnalogIn = new AnalogIn(BTN_POWER_ON_PIN); |
| stormysun513 | 12:7060e287bdae | 688 | buttonState = BTN_CHECK_LONG_PRESS; |
| stormysun513 | 12:7060e287bdae | 689 | } |
| stormysun513 | 12:7060e287bdae | 690 | |
| stormysun513 | 12:7060e287bdae | 691 | void changeButtonPinToInterrupt(void){ |
| stormysun513 | 12:7060e287bdae | 692 | delete pButtonAnalogIn; |
| stormysun513 | 12:7060e287bdae | 693 | pButton = new InterruptIn(BTN_POWER_ON_PIN); |
| stormysun513 | 12:7060e287bdae | 694 | pButton->fall(buttonInterruptServiceRoutine); |
| stormysun513 | 12:7060e287bdae | 695 | float dummy = (float)pButtonAnalogIn->read(); |
| stormysun513 | 12:7060e287bdae | 696 | buttonState = BTN_IDLE; |
| stormysun513 | 11:b3929de96933 | 697 | } |
| stormysun513 | 12:7060e287bdae | 698 | |
| stormysun513 | 12:7060e287bdae | 699 | void shutdownDevice(void){ |
| stormysun513 | 12:7060e287bdae | 700 | systemState = SYS_POWERSAVING; |
| stormysun513 | 12:7060e287bdae | 701 | ble.gap().stopAdvertising(); |
| stormysun513 | 12:7060e287bdae | 702 | ledPower = 1; |
| stormysun513 | 12:7060e287bdae | 703 | pLedInsertion->write(1); |
| stormysun513 | 12:7060e287bdae | 704 | ticker.detach(); |
| stormysun513 | 12:7060e287bdae | 705 | if(mHandle != 0) |
| stormysun513 | 12:7060e287bdae | 706 | ble.disconnect(mHandle, Gap::REMOTE_USER_TERMINATED_CONNECTION); |
| stormysun513 | 12:7060e287bdae | 707 | deepsleep(); |
| stormysun513 | 12:7060e287bdae | 708 | } |
| stormysun513 | 12:7060e287bdae | 709 | |
| stormysun513 | 12:7060e287bdae | 710 | void resetSTM32StateType(void){ |
| stormysun513 | 12:7060e287bdae | 711 | stm32State = STM32_IDLE; |
| stormysun513 | 12:7060e287bdae | 712 | uartRxState = UARTRX_CHECK_FIRST_PREAMBLE; |
| stormysun513 | 12:7060e287bdae | 713 | waitHeader = SYS_HEADER_NO_SPECIFIC; |
| stormysun513 | 12:7060e287bdae | 714 | } |
| stormysun513 | 12:7060e287bdae | 715 | |
| stormysun513 | 12:7060e287bdae | 716 | void requestSalivaVoltage(void){ |
| stormysun513 | 12:7060e287bdae | 717 | uint8_t buf[BLE_BUF_LEN] = {0,}; |
| stormysun513 | 12:7060e287bdae | 718 | float fvalue = aniSalivaVolt.read()*3.3*100; |
| stormysun513 | 12:7060e287bdae | 719 | uint16_t ivalue = (uint16_t)fvalue; |
| stormysun513 | 12:7060e287bdae | 720 | |
| stormysun513 | 12:7060e287bdae | 721 | buf[0] = SYS_HEADER_SALIVA_VOLTAGE; |
| stormysun513 | 12:7060e287bdae | 722 | buf[1] = (ivalue >> 8) & 0xFF; |
| stormysun513 | 12:7060e287bdae | 723 | buf[2] = ivalue & 0xFF; |
| stormysun513 | 12:7060e287bdae | 724 | |
| stormysun513 | 12:7060e287bdae | 725 | if(mHandle != 0){ |
| stormysun513 | 12:7060e287bdae | 726 | ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, SINGLE_UINT16_PAYLOAD); |
| stormysun513 | 12:7060e287bdae | 727 | } |
| stormysun513 | 12:7060e287bdae | 728 | } |
| stormysun513 | 12:7060e287bdae | 729 | |
| stormysun513 | 12:7060e287bdae | 730 | void timerCheckBuffer(void){ |
| stormysun513 | 12:7060e287bdae | 731 | uint16_t numBytes = RingBuffer_availableDataAmount(&ringBuffer); |
| stormysun513 | 12:7060e287bdae | 732 | switch (stm32State) { |
| stormysun513 | 12:7060e287bdae | 733 | case STM32_CHECK_HEADER:{ |
| stormysun513 | 12:7060e287bdae | 734 | if (numBytes >= SINGLE_UINT16_PAYLOAD){ |
| stormysun513 | 12:7060e287bdae | 735 | isEnterMainLoop = true; |
| stormysun513 | 12:7060e287bdae | 736 | } |
| stormysun513 | 12:7060e287bdae | 737 | break; |
| stormysun513 | 12:7060e287bdae | 738 | } |
| stormysun513 | 12:7060e287bdae | 739 | case STM32_IMAGE_FORWARDING:{ |
| stormysun513 | 12:7060e287bdae | 740 | if(setImgPktPayloadByID == false){ |
| stormysun513 | 12:7060e287bdae | 741 | if(numBytes >= UART_DATA_PACKET_PAYLOAD){ |
| stormysun513 | 12:7060e287bdae | 742 | isEnterMainLoop = true; |
| stormysun513 | 12:7060e287bdae | 743 | } |
| stormysun513 | 12:7060e287bdae | 744 | else{ |
| stormysun513 | 12:7060e287bdae | 745 | if (waitCamera > MAX_WAIT_TARGET_PAYLOAD){ |
| stormysun513 | 12:7060e287bdae | 746 | setImgPktPayloadByID = false; |
| stormysun513 | 12:7060e287bdae | 747 | directForward = false; |
| stormysun513 | 12:7060e287bdae | 748 | RingBuffer_init(&ringBuffer); |
| stormysun513 | 12:7060e287bdae | 749 | requestForImagePacket(currentPacketIndex); |
| stormysun513 | 12:7060e287bdae | 750 | waitCamera = 0; |
| stormysun513 | 12:7060e287bdae | 751 | } |
| stormysun513 | 12:7060e287bdae | 752 | } |
| stormysun513 | 12:7060e287bdae | 753 | } |
| stormysun513 | 12:7060e287bdae | 754 | else { |
| stormysun513 | 12:7060e287bdae | 755 | if((targetPayload-alreadyTransferred) <= (BLE_BUF_LEN-1)){ |
| stormysun513 | 12:7060e287bdae | 756 | if(numBytes+alreadyTransferred == targetPayload) |
| stormysun513 | 12:7060e287bdae | 757 | directForward = true; |
| stormysun513 | 12:7060e287bdae | 758 | } |
| stormysun513 | 12:7060e287bdae | 759 | |
| stormysun513 | 12:7060e287bdae | 760 | if (numBytes > 0){ |
| stormysun513 | 12:7060e287bdae | 761 | isEnterMainLoop = true; |
| stormysun513 | 12:7060e287bdae | 762 | } |
| stormysun513 | 12:7060e287bdae | 763 | |
| stormysun513 | 12:7060e287bdae | 764 | else if (waitCamera > MAX_WAIT_TARGET_PAYLOAD){ |
| stormysun513 | 12:7060e287bdae | 765 | uartRxState = UARTRX_CHECK_FIRST_PREAMBLE; |
| stormysun513 | 12:7060e287bdae | 766 | requestForImagePacket(currentPacketIndex); |
| stormysun513 | 12:7060e287bdae | 767 | waitCamera = 0; |
| stormysun513 | 12:7060e287bdae | 768 | } |
| stormysun513 | 12:7060e287bdae | 769 | |
| stormysun513 | 12:7060e287bdae | 770 | } |
| stormysun513 | 12:7060e287bdae | 771 | break; |
| stormysun513 | 12:7060e287bdae | 772 | } |
| stormysun513 | 12:7060e287bdae | 773 | default: |
| stormysun513 | 12:7060e287bdae | 774 | break; |
| stormysun513 | 12:7060e287bdae | 775 | } |
| stormysun513 | 12:7060e287bdae | 776 | } |
| stormysun513 | 12:7060e287bdae | 777 | |
| stormysun513 | 12:7060e287bdae | 778 | void requestForImagePacket(uint16_t packetId){ |
| stormysun513 | 12:7060e287bdae | 779 | uint8_t tempBuf[3]; |
| stormysun513 | 12:7060e287bdae | 780 | tempBuf[0] = static_cast<uint8_t>(BLE_REQUEST_IMAGE_BY_INDEX); |
| stormysun513 | 12:7060e287bdae | 781 | tempBuf[1] = (packetId >> 8) & 0xFF; |
| stormysun513 | 12:7060e287bdae | 782 | tempBuf[2] = packetId & 0xFF; |
| stormysun513 | 12:7060e287bdae | 783 | uartTxTransmit(tempBuf, 3); |
| stormysun513 | 12:7060e287bdae | 784 | } |
| stormysun513 | 12:7060e287bdae | 785 | |
| stormysun513 | 12:7060e287bdae | 786 | void SerialBase::set_flow_control(Flow type, PinName flow1, PinName flow2) { |
| stormysun513 | 12:7060e287bdae | 787 | FlowControl flow_type = (FlowControl)type; |
| stormysun513 | 12:7060e287bdae | 788 | switch(type) { |
| stormysun513 | 12:7060e287bdae | 789 | case RTS: |
| stormysun513 | 12:7060e287bdae | 790 | serial_set_flow_control(&_serial, flow_type, flow1, NC); |
| stormysun513 | 12:7060e287bdae | 791 | break; |
| stormysun513 | 12:7060e287bdae | 792 | |
| stormysun513 | 12:7060e287bdae | 793 | case CTS: |
| stormysun513 | 12:7060e287bdae | 794 | serial_set_flow_control(&_serial, flow_type, NC, flow1); |
| stormysun513 | 12:7060e287bdae | 795 | break; |
| stormysun513 | 12:7060e287bdae | 796 | |
| stormysun513 | 12:7060e287bdae | 797 | case RTSCTS: |
| stormysun513 | 12:7060e287bdae | 798 | case Disabled: |
| stormysun513 | 12:7060e287bdae | 799 | serial_set_flow_control(&_serial, flow_type, flow1, flow2); |
| stormysun513 | 12:7060e287bdae | 800 | break; |
| stormysun513 | 12:7060e287bdae | 801 | |
| stormysun513 | 12:7060e287bdae | 802 | default: |
| stormysun513 | 12:7060e287bdae | 803 | break; |
| stormysun513 | 12:7060e287bdae | 804 | } |
| stormysun513 | 12:7060e287bdae | 805 | } |