BLE Client UART function
This is a BLE Client (Central) program for nRF51.
You can communicate with mbed BLE using "BLE_Uart_Server" program as follows.
/users/kenjiArai/code/BLE_Uart_Server/
Please refer following my notebook.
/users/kenjiArai/notebook/ble-client-and-peripheral-using-switch-sience-ty51/#
main.cpp@0:0ef6455cbb4d, 2016-04-16 (annotated)
- Committer:
- kenjiArai
- Date:
- Sat Apr 16 07:32:21 2016 +0000
- Revision:
- 0:0ef6455cbb4d
- Child:
- 1:f68a5e55a60e
BLE Client UART function
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kenjiArai | 0:0ef6455cbb4d | 1 | /* |
kenjiArai | 0:0ef6455cbb4d | 2 | * ------- BLE Client UART function -------------------------------- |
kenjiArai | 0:0ef6455cbb4d | 3 | * --- Tested on Switch Science mbed TY51822r3 --- |
kenjiArai | 0:0ef6455cbb4d | 4 | * |
kenjiArai | 0:0ef6455cbb4d | 5 | * Modified by Kenji Arai |
kenjiArai | 0:0ef6455cbb4d | 6 | * http://www.page.sannet.ne.jp/kenjia/index.html |
kenjiArai | 0:0ef6455cbb4d | 7 | * http://mbed.org/users/kenjiArai/ |
kenjiArai | 0:0ef6455cbb4d | 8 | * |
kenjiArai | 0:0ef6455cbb4d | 9 | * Started: April 8th, 2016 |
kenjiArai | 0:0ef6455cbb4d | 10 | * Revised: April 16th, 2016 |
kenjiArai | 0:0ef6455cbb4d | 11 | * |
kenjiArai | 0:0ef6455cbb4d | 12 | * Original program (see original.cpp file): |
kenjiArai | 0:0ef6455cbb4d | 13 | * S130 potential unstability case [closed] by Fabien Comte |
kenjiArai | 0:0ef6455cbb4d | 14 | * https://devzone.nordicsemi.com/question/49705/s130-potential-unstability-case/ |
kenjiArai | 0:0ef6455cbb4d | 15 | * GitHub Q&A by Fabien COMTE |
kenjiArai | 0:0ef6455cbb4d | 16 | * https://github.com/ARMmbed/ble/issues/69 |
kenjiArai | 0:0ef6455cbb4d | 17 | * Tested Peripheral Device: |
kenjiArai | 0:0ef6455cbb4d | 18 | * BLE_Uart_Peripheral |
kenjiArai | 0:0ef6455cbb4d | 19 | * https://developer.mbed.org/users/kenjiArai/code/BLE_Uart_Peripheral/ |
kenjiArai | 0:0ef6455cbb4d | 20 | * |
kenjiArai | 0:0ef6455cbb4d | 21 | */ |
kenjiArai | 0:0ef6455cbb4d | 22 | |
kenjiArai | 0:0ef6455cbb4d | 23 | // Include --------------------------------------------------------------------------------------- |
kenjiArai | 0:0ef6455cbb4d | 24 | #include "mbed.h" |
kenjiArai | 0:0ef6455cbb4d | 25 | #include "BLE.h" |
kenjiArai | 0:0ef6455cbb4d | 26 | #include "UARTService.h" |
kenjiArai | 0:0ef6455cbb4d | 27 | #include "ble/DiscoveredCharacteristic.h" |
kenjiArai | 0:0ef6455cbb4d | 28 | #include "ble/DiscoveredService.h" |
kenjiArai | 0:0ef6455cbb4d | 29 | |
kenjiArai | 0:0ef6455cbb4d | 30 | // Definition ------------------------------------------------------------------------------------ |
kenjiArai | 0:0ef6455cbb4d | 31 | #define NEED_CONSOLE_OUTPUT 0 |
kenjiArai | 0:0ef6455cbb4d | 32 | |
kenjiArai | 0:0ef6455cbb4d | 33 | #if NEED_CONSOLE_OUTPUT |
kenjiArai | 0:0ef6455cbb4d | 34 | #define DEBUG(...) { printf(__VA_ARGS__); } |
kenjiArai | 0:0ef6455cbb4d | 35 | #else |
kenjiArai | 0:0ef6455cbb4d | 36 | #define DEBUG(...) |
kenjiArai | 0:0ef6455cbb4d | 37 | #endif |
kenjiArai | 0:0ef6455cbb4d | 38 | |
kenjiArai | 0:0ef6455cbb4d | 39 | #define SOFT_DEVICE_FATHER_HANDLE 3 |
kenjiArai | 0:0ef6455cbb4d | 40 | #define BOARDS_COUNT 3 |
kenjiArai | 0:0ef6455cbb4d | 41 | |
kenjiArai | 0:0ef6455cbb4d | 42 | // Object ---------------------------------------------------------------------------------------- |
kenjiArai | 0:0ef6455cbb4d | 43 | BLE ble; |
kenjiArai | 0:0ef6455cbb4d | 44 | DigitalOut alivenessLED(LED1, 1); |
kenjiArai | 0:0ef6455cbb4d | 45 | DigitalOut connectedLED(D10, 0); |
kenjiArai | 0:0ef6455cbb4d | 46 | DigitalIn sw(D12, PullUp); |
kenjiArai | 0:0ef6455cbb4d | 47 | InterruptIn signal_sw(D12); // duplicated!! |
kenjiArai | 0:0ef6455cbb4d | 48 | Serial pc(USBTX, USBRX); |
kenjiArai | 0:0ef6455cbb4d | 49 | Ticker ticker; |
kenjiArai | 0:0ef6455cbb4d | 50 | |
kenjiArai | 0:0ef6455cbb4d | 51 | // ROM / Constant data --------------------------------------------------------------------------- |
kenjiArai | 0:0ef6455cbb4d | 52 | #warning "You need to modify below value based on your board." |
kenjiArai | 0:0ef6455cbb4d | 53 | const Gap::Address_t mac_board_0 = {0x59, 0x2c, 0xa8, 0x0e, 0xe2, 0xef}; |
kenjiArai | 0:0ef6455cbb4d | 54 | const Gap::Address_t mac_board_1 = {0x50, 0x2b, 0xea, 0x14, 0x95, 0xd2}; |
kenjiArai | 0:0ef6455cbb4d | 55 | const Gap::Address_t mac_board_2 = {0x30, 0x74, 0x6d, 0xbd, 0x83, 0xf4}; |
kenjiArai | 0:0ef6455cbb4d | 56 | #warning "You need to confirm your device name." |
kenjiArai | 0:0ef6455cbb4d | 57 | const static char DEVICE_NAME[] = "UART_C"; |
kenjiArai | 0:0ef6455cbb4d | 58 | static const uint16_t uuid16_list[] = {UARTServiceShortUUID}; |
kenjiArai | 0:0ef6455cbb4d | 59 | |
kenjiArai | 0:0ef6455cbb4d | 60 | // RAM ------------------------------------------------------------------------------------------- |
kenjiArai | 0:0ef6455cbb4d | 61 | Gap::Handle_t connectionHandle = 0xFFFF; |
kenjiArai | 0:0ef6455cbb4d | 62 | DiscoveredCharacteristic uartTXCharacteristic; |
kenjiArai | 0:0ef6455cbb4d | 63 | DiscoveredCharacteristic uartRXCharacteristic; |
kenjiArai | 0:0ef6455cbb4d | 64 | bool foundUartRXCharacteristic = false; |
kenjiArai | 0:0ef6455cbb4d | 65 | bool connected2peripheral = false; |
kenjiArai | 0:0ef6455cbb4d | 66 | UARTService * uartServicePtr = NULL; |
kenjiArai | 0:0ef6455cbb4d | 67 | Gap::Address_t my_mac; |
kenjiArai | 0:0ef6455cbb4d | 68 | int my_board_index = -1; |
kenjiArai | 0:0ef6455cbb4d | 69 | bool recieved_uart_dat0 = false; |
kenjiArai | 0:0ef6455cbb4d | 70 | int8_t uart_buffer0[24]; |
kenjiArai | 0:0ef6455cbb4d | 71 | uint8_t uart_bf0_len; |
kenjiArai | 0:0ef6455cbb4d | 72 | bool recieved_uart_dat1 = false; |
kenjiArai | 0:0ef6455cbb4d | 73 | int8_t uart_buffer1[24]; |
kenjiArai | 0:0ef6455cbb4d | 74 | uint8_t uart_bf1_len; |
kenjiArai | 0:0ef6455cbb4d | 75 | bool line_input = false; |
kenjiArai | 0:0ef6455cbb4d | 76 | uint8_t linebuf_irq[24]; |
kenjiArai | 0:0ef6455cbb4d | 77 | int linebf_irq_len = 0; |
kenjiArai | 0:0ef6455cbb4d | 78 | uint8_t linebuf[24]; |
kenjiArai | 0:0ef6455cbb4d | 79 | int linebf_len = 0; |
kenjiArai | 0:0ef6455cbb4d | 80 | |
kenjiArai | 0:0ef6455cbb4d | 81 | // Function prototypes --------------------------------------------------------------------------- |
kenjiArai | 0:0ef6455cbb4d | 82 | // BLE |
kenjiArai | 0:0ef6455cbb4d | 83 | void onReceivedDataFromCentralCallback(const GattWriteCallbackParams *params); |
kenjiArai | 0:0ef6455cbb4d | 84 | void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params); |
kenjiArai | 0:0ef6455cbb4d | 85 | void serviceDiscoveryCallback(const DiscoveredService *service); |
kenjiArai | 0:0ef6455cbb4d | 86 | void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP); |
kenjiArai | 0:0ef6455cbb4d | 87 | void discoveryTerminationCallback(Gap::Handle_t connectionHandle); |
kenjiArai | 0:0ef6455cbb4d | 88 | void onReceivedDataFromDeviceCallback(const GattHVXCallbackParams *params); |
kenjiArai | 0:0ef6455cbb4d | 89 | void connectionCallback(const Gap::ConnectionCallbackParams_t *params); |
kenjiArai | 0:0ef6455cbb4d | 90 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params); |
kenjiArai | 0:0ef6455cbb4d | 91 | // Interrupt related |
kenjiArai | 0:0ef6455cbb4d | 92 | void periodicCallback(void); |
kenjiArai | 0:0ef6455cbb4d | 93 | void serialRxCallback(void); |
kenjiArai | 0:0ef6455cbb4d | 94 | // Pre-check |
kenjiArai | 0:0ef6455cbb4d | 95 | bool mac_equals(const Gap::Address_t mac_1, const Gap::Address_t mac_2); |
kenjiArai | 0:0ef6455cbb4d | 96 | int get_board_index(const Gap::Address_t mac); |
kenjiArai | 0:0ef6455cbb4d | 97 | void adjust_line(uint8_t *bf); |
kenjiArai | 0:0ef6455cbb4d | 98 | |
kenjiArai | 0:0ef6455cbb4d | 99 | //------------------------------------------------------------------------------------------------- |
kenjiArai | 0:0ef6455cbb4d | 100 | // Control Program |
kenjiArai | 0:0ef6455cbb4d | 101 | //------------------------------------------------------------------------------------------------- |
kenjiArai | 0:0ef6455cbb4d | 102 | int main(void){ |
kenjiArai | 0:0ef6455cbb4d | 103 | alivenessLED = 0; |
kenjiArai | 0:0ef6455cbb4d | 104 | pc.attach(&serialRxCallback, Serial::RxIrq); |
kenjiArai | 0:0ef6455cbb4d | 105 | ticker.attach(periodicCallback, 1); |
kenjiArai | 0:0ef6455cbb4d | 106 | for (int k = 0; k < 20; k++) { pc.printf("\r\n");} // clear terminal output |
kenjiArai | 0:0ef6455cbb4d | 107 | pc.printf("UART Communication / Client side\r\n"); // opening message |
kenjiArai | 0:0ef6455cbb4d | 108 | pc.printf(" Client(Central) and Peripheral(device)\r\n"); // opening message |
kenjiArai | 0:0ef6455cbb4d | 109 | // Mixed role ************************************************************* |
kenjiArai | 0:0ef6455cbb4d | 110 | ble.init(); |
kenjiArai | 0:0ef6455cbb4d | 111 | Gap::AddressType_t my_mac_type; |
kenjiArai | 0:0ef6455cbb4d | 112 | ble.gap().getAddress(&my_mac_type, my_mac); |
kenjiArai | 0:0ef6455cbb4d | 113 | my_board_index = get_board_index(my_mac); |
kenjiArai | 0:0ef6455cbb4d | 114 | DEBUG( |
kenjiArai | 0:0ef6455cbb4d | 115 | "me %02x:%02x:%02x:%02x:%02x:%02x (%s)\r\n", |
kenjiArai | 0:0ef6455cbb4d | 116 | my_mac[5], my_mac[4], my_mac[3], my_mac[2], my_mac[1], my_mac[0], |
kenjiArai | 0:0ef6455cbb4d | 117 | (my_mac_type == Gap::ADDR_TYPE_PUBLIC) ? "public" : "random" |
kenjiArai | 0:0ef6455cbb4d | 118 | ); |
kenjiArai | 0:0ef6455cbb4d | 119 | ble.gap().onConnection(connectionCallback); |
kenjiArai | 0:0ef6455cbb4d | 120 | ble.gap().onDisconnection(disconnectionCallback); |
kenjiArai | 0:0ef6455cbb4d | 121 | // Peripheral(Device) role ************************************************ |
kenjiArai | 0:0ef6455cbb4d | 122 | ble.gattServer().onDataWritten(onReceivedDataFromCentralCallback); |
kenjiArai | 0:0ef6455cbb4d | 123 | UARTService uartService(ble); |
kenjiArai | 0:0ef6455cbb4d | 124 | uartServicePtr = &uartService; |
kenjiArai | 0:0ef6455cbb4d | 125 | // setup advertising |
kenjiArai | 0:0ef6455cbb4d | 126 | ble.accumulateAdvertisingPayload( |
kenjiArai | 0:0ef6455cbb4d | 127 | GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE |
kenjiArai | 0:0ef6455cbb4d | 128 | ); |
kenjiArai | 0:0ef6455cbb4d | 129 | ble.accumulateAdvertisingPayload( |
kenjiArai | 0:0ef6455cbb4d | 130 | GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME) |
kenjiArai | 0:0ef6455cbb4d | 131 | ); |
kenjiArai | 0:0ef6455cbb4d | 132 | ble.accumulateAdvertisingPayload( |
kenjiArai | 0:0ef6455cbb4d | 133 | GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, |
kenjiArai | 0:0ef6455cbb4d | 134 | (uint8_t *)uuid16_list, |
kenjiArai | 0:0ef6455cbb4d | 135 | sizeof(uuid16_list) |
kenjiArai | 0:0ef6455cbb4d | 136 | ); // UUID's broadcast in advertising packet (set advertising type) |
kenjiArai | 0:0ef6455cbb4d | 137 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
kenjiArai | 0:0ef6455cbb4d | 138 | ble.setAdvertisingInterval(100); |
kenjiArai | 0:0ef6455cbb4d | 139 | // Client(Central) role *************************************************** |
kenjiArai | 0:0ef6455cbb4d | 140 | ble.gattClient().onHVX(onReceivedDataFromDeviceCallback); |
kenjiArai | 0:0ef6455cbb4d | 141 | ble.gap().setScanParams(500, 450); |
kenjiArai | 0:0ef6455cbb4d | 142 | ble.startAdvertising(); // start advertising and scan |
kenjiArai | 0:0ef6455cbb4d | 143 | ble.gap().startScan(advertisementCallback); |
kenjiArai | 0:0ef6455cbb4d | 144 | while(true) { |
kenjiArai | 0:0ef6455cbb4d | 145 | // allow notifications from Peripheral(device) |
kenjiArai | 0:0ef6455cbb4d | 146 | if (foundUartRXCharacteristic && !ble.gattClient().isServiceDiscoveryActive()){ |
kenjiArai | 0:0ef6455cbb4d | 147 | foundUartRXCharacteristic = false; // need to do the following only once |
kenjiArai | 0:0ef6455cbb4d | 148 | uint16_t value = BLE_HVX_NOTIFICATION; |
kenjiArai | 0:0ef6455cbb4d | 149 | ble.gattClient().write( |
kenjiArai | 0:0ef6455cbb4d | 150 | GattClient::GATT_OP_WRITE_REQ, |
kenjiArai | 0:0ef6455cbb4d | 151 | connectionHandle, |
kenjiArai | 0:0ef6455cbb4d | 152 | uartRXCharacteristic.getValueHandle() + 1, |
kenjiArai | 0:0ef6455cbb4d | 153 | sizeof(uint16_t), |
kenjiArai | 0:0ef6455cbb4d | 154 | reinterpret_cast<const uint8_t *>(&value) |
kenjiArai | 0:0ef6455cbb4d | 155 | ); |
kenjiArai | 0:0ef6455cbb4d | 156 | } |
kenjiArai | 0:0ef6455cbb4d | 157 | if (recieved_uart_dat0 == true){ |
kenjiArai | 0:0ef6455cbb4d | 158 | recieved_uart_dat0 = false; |
kenjiArai | 0:0ef6455cbb4d | 159 | for(int i = 0; i < uart_bf0_len; i++){ |
kenjiArai | 0:0ef6455cbb4d | 160 | pc.printf("%c", uart_buffer0[i]); |
kenjiArai | 0:0ef6455cbb4d | 161 | } |
kenjiArai | 0:0ef6455cbb4d | 162 | pc.printf("\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 163 | } |
kenjiArai | 0:0ef6455cbb4d | 164 | if (recieved_uart_dat1 == true){ |
kenjiArai | 0:0ef6455cbb4d | 165 | recieved_uart_dat1 = false; |
kenjiArai | 0:0ef6455cbb4d | 166 | for(int i = 0; i < uart_bf1_len; i++){ |
kenjiArai | 0:0ef6455cbb4d | 167 | pc.printf("%c", uart_buffer1[i]); |
kenjiArai | 0:0ef6455cbb4d | 168 | } |
kenjiArai | 0:0ef6455cbb4d | 169 | pc.printf("\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 170 | } |
kenjiArai | 0:0ef6455cbb4d | 171 | if (line_input == true){ |
kenjiArai | 0:0ef6455cbb4d | 172 | line_input = false; |
kenjiArai | 0:0ef6455cbb4d | 173 | // Client to Peripheral(central to device) |
kenjiArai | 0:0ef6455cbb4d | 174 | adjust_line(linebuf); |
kenjiArai | 0:0ef6455cbb4d | 175 | int ret = uartTXCharacteristic.write(20, linebuf); |
kenjiArai | 0:0ef6455cbb4d | 176 | if (ret == BLE_ERROR_NONE){ |
kenjiArai | 0:0ef6455cbb4d | 177 | DEBUG("\r\ndone (c2p)\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 178 | } else if (ret == BLE_STACK_BUSY){ |
kenjiArai | 0:0ef6455cbb4d | 179 | DEBUG("\r\nbusy (c2p)\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 180 | } else if (ret == BLE_ERROR_OPERATION_NOT_PERMITTED) { |
kenjiArai | 0:0ef6455cbb4d | 181 | DEBUG("\r\nnot connected (c2d)\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 182 | } else { |
kenjiArai | 0:0ef6455cbb4d | 183 | DEBUG("\r\ncode %d (c2d)\r\n", ret); |
kenjiArai | 0:0ef6455cbb4d | 184 | } |
kenjiArai | 0:0ef6455cbb4d | 185 | // Peripheral to Client(device to central) |
kenjiArai | 0:0ef6455cbb4d | 186 | if (ble.gap().getState().connected){ |
kenjiArai | 0:0ef6455cbb4d | 187 | int ret = ble.gattServer().write( |
kenjiArai | 0:0ef6455cbb4d | 188 | uartServicePtr->getRXCharacteristicHandle(), |
kenjiArai | 0:0ef6455cbb4d | 189 | linebuf, |
kenjiArai | 0:0ef6455cbb4d | 190 | linebf_len |
kenjiArai | 0:0ef6455cbb4d | 191 | ); |
kenjiArai | 0:0ef6455cbb4d | 192 | if (ret == BLE_ERROR_NONE){ |
kenjiArai | 0:0ef6455cbb4d | 193 | DEBUG("\r\ndone (p2c)\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 194 | } else if (ret == BLE_STACK_BUSY){ |
kenjiArai | 0:0ef6455cbb4d | 195 | DEBUG("\r\nbusy (p2c)\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 196 | } else if (ret == BLE_ERROR_OPERATION_NOT_PERMITTED){ |
kenjiArai | 0:0ef6455cbb4d | 197 | DEBUG("\r\nnot connected (p2c)\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 198 | } else { |
kenjiArai | 0:0ef6455cbb4d | 199 | DEBUG("\r\ncode %d (p2c)\r\n", ret); |
kenjiArai | 0:0ef6455cbb4d | 200 | } |
kenjiArai | 0:0ef6455cbb4d | 201 | } |
kenjiArai | 0:0ef6455cbb4d | 202 | } |
kenjiArai | 0:0ef6455cbb4d | 203 | ble.waitForEvent(); // save power |
kenjiArai | 0:0ef6455cbb4d | 204 | } |
kenjiArai | 0:0ef6455cbb4d | 205 | } |
kenjiArai | 0:0ef6455cbb4d | 206 | |
kenjiArai | 0:0ef6455cbb4d | 207 | void serialRxCallback(){ |
kenjiArai | 0:0ef6455cbb4d | 208 | char c = pc.getc(); |
kenjiArai | 0:0ef6455cbb4d | 209 | if (c == '\r') { |
kenjiArai | 0:0ef6455cbb4d | 210 | linebuf_irq[linebf_irq_len++] = c; |
kenjiArai | 0:0ef6455cbb4d | 211 | pc.printf("\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 212 | linebf_len = linebf_irq_len; |
kenjiArai | 0:0ef6455cbb4d | 213 | strcpy((char *)linebuf, (char *)linebuf_irq); |
kenjiArai | 0:0ef6455cbb4d | 214 | linebf_irq_len = 0; |
kenjiArai | 0:0ef6455cbb4d | 215 | line_input = true; |
kenjiArai | 0:0ef6455cbb4d | 216 | } else if ((c == '\b') && linebf_irq_len) { |
kenjiArai | 0:0ef6455cbb4d | 217 | linebf_irq_len--; |
kenjiArai | 0:0ef6455cbb4d | 218 | pc.putc(c); |
kenjiArai | 0:0ef6455cbb4d | 219 | pc.putc(' '); |
kenjiArai | 0:0ef6455cbb4d | 220 | pc.putc(c); |
kenjiArai | 0:0ef6455cbb4d | 221 | } else if (((uint8_t)c >= ' ') && (linebf_irq_len < 20)) { |
kenjiArai | 0:0ef6455cbb4d | 222 | linebuf_irq[linebf_irq_len++] = c; |
kenjiArai | 0:0ef6455cbb4d | 223 | pc.putc(c); |
kenjiArai | 0:0ef6455cbb4d | 224 | } else if ( c == 0x1f ){ // Control+? |
kenjiArai | 0:0ef6455cbb4d | 225 | SCB->AIRCR = 0x05fa0004; // System RESET!! |
kenjiArai | 0:0ef6455cbb4d | 226 | } |
kenjiArai | 0:0ef6455cbb4d | 227 | linebuf_irq[linebf_irq_len] = 0; |
kenjiArai | 0:0ef6455cbb4d | 228 | } |
kenjiArai | 0:0ef6455cbb4d | 229 | |
kenjiArai | 0:0ef6455cbb4d | 230 | void adjust_line(uint8_t *bf){ |
kenjiArai | 0:0ef6455cbb4d | 231 | uint8_t i, c; |
kenjiArai | 0:0ef6455cbb4d | 232 | |
kenjiArai | 0:0ef6455cbb4d | 233 | for (i = 0; i <20; bf++, i++){ |
kenjiArai | 0:0ef6455cbb4d | 234 | c = *bf; |
kenjiArai | 0:0ef6455cbb4d | 235 | if ( (c == '\r') || (c == '\n') || (c == 0)){ |
kenjiArai | 0:0ef6455cbb4d | 236 | break; |
kenjiArai | 0:0ef6455cbb4d | 237 | } |
kenjiArai | 0:0ef6455cbb4d | 238 | } |
kenjiArai | 0:0ef6455cbb4d | 239 | for (; i < 20; bf++, i++){ |
kenjiArai | 0:0ef6455cbb4d | 240 | *bf = ' '; |
kenjiArai | 0:0ef6455cbb4d | 241 | } |
kenjiArai | 0:0ef6455cbb4d | 242 | *(bf + 1) = 0; |
kenjiArai | 0:0ef6455cbb4d | 243 | } |
kenjiArai | 0:0ef6455cbb4d | 244 | |
kenjiArai | 0:0ef6455cbb4d | 245 | // Peripheral(Device) role **************************************************** |
kenjiArai | 0:0ef6455cbb4d | 246 | void onReceivedDataFromCentralCallback(const GattWriteCallbackParams *params){ |
kenjiArai | 0:0ef6455cbb4d | 247 | if (uartServicePtr != NULL){ |
kenjiArai | 0:0ef6455cbb4d | 248 | if ((params->handle == |
kenjiArai | 0:0ef6455cbb4d | 249 | uartServicePtr->getTXCharacteristicHandle()) && (params->len >= 1)) |
kenjiArai | 0:0ef6455cbb4d | 250 | { |
kenjiArai | 0:0ef6455cbb4d | 251 | uart_bf0_len = params->len; |
kenjiArai | 0:0ef6455cbb4d | 252 | strcpy((char *)uart_buffer0, (char *)params->data); |
kenjiArai | 0:0ef6455cbb4d | 253 | recieved_uart_dat0 = true; |
kenjiArai | 0:0ef6455cbb4d | 254 | } |
kenjiArai | 0:0ef6455cbb4d | 255 | } |
kenjiArai | 0:0ef6455cbb4d | 256 | } |
kenjiArai | 0:0ef6455cbb4d | 257 | |
kenjiArai | 0:0ef6455cbb4d | 258 | void onReceivedDataFromDeviceCallback(const GattHVXCallbackParams *params){ |
kenjiArai | 0:0ef6455cbb4d | 259 | DEBUG( |
kenjiArai | 0:0ef6455cbb4d | 260 | "received HVX callback for handle %u; type %s\r\r\n", |
kenjiArai | 0:0ef6455cbb4d | 261 | params->handle, |
kenjiArai | 0:0ef6455cbb4d | 262 | (params->type == BLE_HVX_NOTIFICATION) ? "notification" : "indication" |
kenjiArai | 0:0ef6455cbb4d | 263 | ); |
kenjiArai | 0:0ef6455cbb4d | 264 | if (params->type == BLE_HVX_NOTIFICATION){ |
kenjiArai | 0:0ef6455cbb4d | 265 | if ((params->handle |
kenjiArai | 0:0ef6455cbb4d | 266 | == uartRXCharacteristic.getValueHandle()) && (params->len > 0)) |
kenjiArai | 0:0ef6455cbb4d | 267 | { |
kenjiArai | 0:0ef6455cbb4d | 268 | uart_bf1_len = params->len; |
kenjiArai | 0:0ef6455cbb4d | 269 | strcpy((char *)uart_buffer1, (char *)params->data); |
kenjiArai | 0:0ef6455cbb4d | 270 | recieved_uart_dat1 = true; |
kenjiArai | 0:0ef6455cbb4d | 271 | } |
kenjiArai | 0:0ef6455cbb4d | 272 | } |
kenjiArai | 0:0ef6455cbb4d | 273 | } |
kenjiArai | 0:0ef6455cbb4d | 274 | |
kenjiArai | 0:0ef6455cbb4d | 275 | void periodicCallback(void){ |
kenjiArai | 0:0ef6455cbb4d | 276 | alivenessLED = !alivenessLED; // Do blinky on alivenessLED to indicate system aliveness |
kenjiArai | 0:0ef6455cbb4d | 277 | if (connected2peripheral){ |
kenjiArai | 0:0ef6455cbb4d | 278 | connectedLED = 1; |
kenjiArai | 0:0ef6455cbb4d | 279 | } else { |
kenjiArai | 0:0ef6455cbb4d | 280 | connectedLED = 0; |
kenjiArai | 0:0ef6455cbb4d | 281 | } |
kenjiArai | 0:0ef6455cbb4d | 282 | } |
kenjiArai | 0:0ef6455cbb4d | 283 | |
kenjiArai | 0:0ef6455cbb4d | 284 | bool mac_equals(const Gap::Address_t mac_1, const Gap::Address_t mac_2){ |
kenjiArai | 0:0ef6455cbb4d | 285 | DEBUG("Address: "); |
kenjiArai | 0:0ef6455cbb4d | 286 | for (int i = 0; i < 6; i++){ |
kenjiArai | 0:0ef6455cbb4d | 287 | DEBUG("0x%02x ", mac_1[i]); |
kenjiArai | 0:0ef6455cbb4d | 288 | } |
kenjiArai | 0:0ef6455cbb4d | 289 | DEBUG("\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 290 | for (int i = 0; i < 6; i++){ |
kenjiArai | 0:0ef6455cbb4d | 291 | if (mac_1[i] != mac_2[i]){ |
kenjiArai | 0:0ef6455cbb4d | 292 | DEBUG("0x%02x != 0x%02x at %d\r\n", mac_1[i], mac_2[i], i); |
kenjiArai | 0:0ef6455cbb4d | 293 | return false; |
kenjiArai | 0:0ef6455cbb4d | 294 | } else { |
kenjiArai | 0:0ef6455cbb4d | 295 | DEBUG("0x%02x == 0x%02x at %d\r\n", mac_1[i], mac_2[i], i); |
kenjiArai | 0:0ef6455cbb4d | 296 | } |
kenjiArai | 0:0ef6455cbb4d | 297 | } |
kenjiArai | 0:0ef6455cbb4d | 298 | return true; |
kenjiArai | 0:0ef6455cbb4d | 299 | } |
kenjiArai | 0:0ef6455cbb4d | 300 | |
kenjiArai | 0:0ef6455cbb4d | 301 | int get_board_index(const Gap::Address_t mac){ |
kenjiArai | 0:0ef6455cbb4d | 302 | if (mac_equals(mac, mac_board_0)) { return 0;} |
kenjiArai | 0:0ef6455cbb4d | 303 | if (mac_equals(mac, mac_board_1)) { return 1;} |
kenjiArai | 0:0ef6455cbb4d | 304 | if (mac_equals(mac, mac_board_2)) { return 2;} |
kenjiArai | 0:0ef6455cbb4d | 305 | return -1; |
kenjiArai | 0:0ef6455cbb4d | 306 | } |
kenjiArai | 0:0ef6455cbb4d | 307 | |
kenjiArai | 0:0ef6455cbb4d | 308 | // Client(Central) role ******************************************************* |
kenjiArai | 0:0ef6455cbb4d | 309 | void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params){ |
kenjiArai | 0:0ef6455cbb4d | 310 | // connections |
kenjiArai | 0:0ef6455cbb4d | 311 | int peer_board_index = get_board_index(params->peerAddr); |
kenjiArai | 0:0ef6455cbb4d | 312 | if (peer_board_index != -1){ |
kenjiArai | 0:0ef6455cbb4d | 313 | pc.printf("adv peerAddr"); |
kenjiArai | 0:0ef6455cbb4d | 314 | pc.printf( |
kenjiArai | 0:0ef6455cbb4d | 315 | "[%02x %02x %02x %02x %02x %02x] rssi %+4d, isScanResponse %u, AdvertisementType %u", |
kenjiArai | 0:0ef6455cbb4d | 316 | params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], |
kenjiArai | 0:0ef6455cbb4d | 317 | params->peerAddr[2], params->peerAddr[1], params->peerAddr[0], |
kenjiArai | 0:0ef6455cbb4d | 318 | params->rssi, |
kenjiArai | 0:0ef6455cbb4d | 319 | params->isScanResponse, |
kenjiArai | 0:0ef6455cbb4d | 320 | params->type |
kenjiArai | 0:0ef6455cbb4d | 321 | ); |
kenjiArai | 0:0ef6455cbb4d | 322 | pc.printf("\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 323 | ble.gap().connect(params->peerAddr, Gap::ADDR_TYPE_RANDOM_STATIC, NULL, NULL); |
kenjiArai | 0:0ef6455cbb4d | 324 | } |
kenjiArai | 0:0ef6455cbb4d | 325 | } |
kenjiArai | 0:0ef6455cbb4d | 326 | |
kenjiArai | 0:0ef6455cbb4d | 327 | void serviceDiscoveryCallback(const DiscoveredService *service) { |
kenjiArai | 0:0ef6455cbb4d | 328 | DEBUG("service found...\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 329 | if (service->getUUID().shortOrLong() == UUID::UUID_TYPE_SHORT) { |
kenjiArai | 0:0ef6455cbb4d | 330 | DEBUG( |
kenjiArai | 0:0ef6455cbb4d | 331 | "Service UUID-%x attrs[%u %u]\r\n", |
kenjiArai | 0:0ef6455cbb4d | 332 | service->getUUID().getShortUUID(), |
kenjiArai | 0:0ef6455cbb4d | 333 | service->getStartHandle(), |
kenjiArai | 0:0ef6455cbb4d | 334 | service->getEndHandle() |
kenjiArai | 0:0ef6455cbb4d | 335 | ); |
kenjiArai | 0:0ef6455cbb4d | 336 | } else { |
kenjiArai | 0:0ef6455cbb4d | 337 | DEBUG("Service UUID-"); |
kenjiArai | 0:0ef6455cbb4d | 338 | const uint8_t *longUUIDBytes = service->getUUID().getBaseUUID(); |
kenjiArai | 0:0ef6455cbb4d | 339 | for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) { |
kenjiArai | 0:0ef6455cbb4d | 340 | DEBUG("%02x", longUUIDBytes[i]); |
kenjiArai | 0:0ef6455cbb4d | 341 | } |
kenjiArai | 0:0ef6455cbb4d | 342 | DEBUG(" attrs[%u %u]\r\n", service->getStartHandle(), service->getEndHandle()); |
kenjiArai | 0:0ef6455cbb4d | 343 | } |
kenjiArai | 0:0ef6455cbb4d | 344 | } |
kenjiArai | 0:0ef6455cbb4d | 345 | |
kenjiArai | 0:0ef6455cbb4d | 346 | void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP){ |
kenjiArai | 0:0ef6455cbb4d | 347 | DEBUG( |
kenjiArai | 0:0ef6455cbb4d | 348 | " C UUID-%x valueAttr[%u] props[%x]\r\n", |
kenjiArai | 0:0ef6455cbb4d | 349 | characteristicP->getUUID().getShortUUID(), |
kenjiArai | 0:0ef6455cbb4d | 350 | characteristicP->getValueHandle(), |
kenjiArai | 0:0ef6455cbb4d | 351 | (uint8_t)characteristicP->getProperties().broadcast() |
kenjiArai | 0:0ef6455cbb4d | 352 | ); |
kenjiArai | 0:0ef6455cbb4d | 353 | if (characteristicP->getUUID().getShortUUID() |
kenjiArai | 0:0ef6455cbb4d | 354 | == UARTServiceTXCharacteristicShortUUID) |
kenjiArai | 0:0ef6455cbb4d | 355 | { |
kenjiArai | 0:0ef6455cbb4d | 356 | pc.printf("Sevice TX 0x%04x\r\n", UARTServiceTXCharacteristicShortUUID); |
kenjiArai | 0:0ef6455cbb4d | 357 | uartTXCharacteristic = *characteristicP; |
kenjiArai | 0:0ef6455cbb4d | 358 | } else if (characteristicP->getUUID().getShortUUID() |
kenjiArai | 0:0ef6455cbb4d | 359 | == UARTServiceRXCharacteristicShortUUID) |
kenjiArai | 0:0ef6455cbb4d | 360 | { |
kenjiArai | 0:0ef6455cbb4d | 361 | pc.printf("Sevice RX 0x%04x\r\n", UARTServiceRXCharacteristicShortUUID); |
kenjiArai | 0:0ef6455cbb4d | 362 | uartRXCharacteristic = *characteristicP; |
kenjiArai | 0:0ef6455cbb4d | 363 | foundUartRXCharacteristic = true; |
kenjiArai | 0:0ef6455cbb4d | 364 | } |
kenjiArai | 0:0ef6455cbb4d | 365 | } |
kenjiArai | 0:0ef6455cbb4d | 366 | |
kenjiArai | 0:0ef6455cbb4d | 367 | void discoveryTerminationCallback(Gap::Handle_t connectionHandle){ |
kenjiArai | 0:0ef6455cbb4d | 368 | DEBUG("terminated SD for handle=%u\r\n", connectionHandle); |
kenjiArai | 0:0ef6455cbb4d | 369 | } |
kenjiArai | 0:0ef6455cbb4d | 370 | |
kenjiArai | 0:0ef6455cbb4d | 371 | // Mixed role ***************************************************************** |
kenjiArai | 0:0ef6455cbb4d | 372 | void connectionCallback(const Gap::ConnectionCallbackParams_t *params){ |
kenjiArai | 0:0ef6455cbb4d | 373 | if (params->role == Gap::CENTRAL) { |
kenjiArai | 0:0ef6455cbb4d | 374 | DEBUG("connected as Client(central) (handle = %d)\r\n\r", params->handle); |
kenjiArai | 0:0ef6455cbb4d | 375 | connected2peripheral = true; |
kenjiArai | 0:0ef6455cbb4d | 376 | connectionHandle = params->handle; |
kenjiArai | 0:0ef6455cbb4d | 377 | ble.gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback); |
kenjiArai | 0:0ef6455cbb4d | 378 | ble.gattClient().launchServiceDiscovery( |
kenjiArai | 0:0ef6455cbb4d | 379 | params->handle, |
kenjiArai | 0:0ef6455cbb4d | 380 | serviceDiscoveryCallback, |
kenjiArai | 0:0ef6455cbb4d | 381 | characteristicDiscoveryCallback/*, |
kenjiArai | 0:0ef6455cbb4d | 382 | 0xa000, 0xa001*/ |
kenjiArai | 0:0ef6455cbb4d | 383 | ); |
kenjiArai | 0:0ef6455cbb4d | 384 | } else { |
kenjiArai | 0:0ef6455cbb4d | 385 | DEBUG("connected as device (handle = %d)\r\n\r", params->handle); |
kenjiArai | 0:0ef6455cbb4d | 386 | DEBUG( |
kenjiArai | 0:0ef6455cbb4d | 387 | "Conn. params => min=%d, max=%d, slave=%d, supervision=%d\r\n", |
kenjiArai | 0:0ef6455cbb4d | 388 | params->connectionParams->minConnectionInterval, |
kenjiArai | 0:0ef6455cbb4d | 389 | params->connectionParams->maxConnectionInterval, |
kenjiArai | 0:0ef6455cbb4d | 390 | params->connectionParams->slaveLatency, |
kenjiArai | 0:0ef6455cbb4d | 391 | params->connectionParams->connectionSupervisionTimeout |
kenjiArai | 0:0ef6455cbb4d | 392 | ); |
kenjiArai | 0:0ef6455cbb4d | 393 | Gap::ConnectionParams_t connectionParams; |
kenjiArai | 0:0ef6455cbb4d | 394 | connectionParams.minConnectionInterval = 6; |
kenjiArai | 0:0ef6455cbb4d | 395 | connectionParams.maxConnectionInterval = 12; |
kenjiArai | 0:0ef6455cbb4d | 396 | connectionParams.slaveLatency = 0; |
kenjiArai | 0:0ef6455cbb4d | 397 | connectionParams.connectionSupervisionTimeout = 500; |
kenjiArai | 0:0ef6455cbb4d | 398 | if (ble.updateConnectionParams(params->handle, &connectionParams) != BLE_ERROR_NONE){ |
kenjiArai | 0:0ef6455cbb4d | 399 | DEBUG("failed to update connection parameter\r\n"); |
kenjiArai | 0:0ef6455cbb4d | 400 | } |
kenjiArai | 0:0ef6455cbb4d | 401 | } |
kenjiArai | 0:0ef6455cbb4d | 402 | DEBUG( |
kenjiArai | 0:0ef6455cbb4d | 403 | "own %02x:%02x:%02x:%02x:%02x:%02x (%s), peer %02x:%02x:%02x:%02x:%02x:%02x (%s)\r\n", |
kenjiArai | 0:0ef6455cbb4d | 404 | params->ownAddr[5], params->ownAddr[4], params->ownAddr[3], |
kenjiArai | 0:0ef6455cbb4d | 405 | params->ownAddr[2], params->ownAddr[1], params->ownAddr[0], |
kenjiArai | 0:0ef6455cbb4d | 406 | (params->ownAddrType == Gap::ADDR_TYPE_PUBLIC) ? "public" : "random", |
kenjiArai | 0:0ef6455cbb4d | 407 | params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], |
kenjiArai | 0:0ef6455cbb4d | 408 | params->peerAddr[2], params->peerAddr[1], params->peerAddr[0], |
kenjiArai | 0:0ef6455cbb4d | 409 | (params->peerAddrType == Gap::ADDR_TYPE_PUBLIC) ? "public" : "random" |
kenjiArai | 0:0ef6455cbb4d | 410 | ); |
kenjiArai | 0:0ef6455cbb4d | 411 | } |
kenjiArai | 0:0ef6455cbb4d | 412 | |
kenjiArai | 0:0ef6455cbb4d | 413 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params){ |
kenjiArai | 0:0ef6455cbb4d | 414 | DEBUG("handle = %d ", params->handle); |
kenjiArai | 0:0ef6455cbb4d | 415 | pc.printf(" -> disconnected\r\n", params->handle); |
kenjiArai | 0:0ef6455cbb4d | 416 | connected2peripheral = false; |
kenjiArai | 0:0ef6455cbb4d | 417 | if (params->handle == SOFT_DEVICE_FATHER_HANDLE) { |
kenjiArai | 0:0ef6455cbb4d | 418 | ble.startAdvertising(); // restart advertising |
kenjiArai | 0:0ef6455cbb4d | 419 | } else { |
kenjiArai | 0:0ef6455cbb4d | 420 | ble.gap().startScan(advertisementCallback); // restart scan |
kenjiArai | 0:0ef6455cbb4d | 421 | } |
kenjiArai | 0:0ef6455cbb4d | 422 | } |