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@5:e90d7b6f83cb, 2018-02-11 (annotated)
- Committer:
- kenjiArai
- Date:
- Sun Feb 11 02:04:44 2018 +0000
- Revision:
- 5:e90d7b6f83cb
- Parent:
- 4:342b665fb826
use Mbed-os5 dedicated class "CircularBuffer"
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kenjiArai | 0:0ef6455cbb4d | 1 | /* |
kenjiArai | 3:9236f8e65c80 | 2 | * ------- BLE Central/Client UART function ----------------------------------- |
kenjiArai | 3:9236f8e65c80 | 3 | * communicate with BLE_UART_Server program |
kenjiArai | 0:0ef6455cbb4d | 4 | * --- Tested on Switch Science mbed TY51822r3 --- |
kenjiArai | 0:0ef6455cbb4d | 5 | * |
kenjiArai | 0:0ef6455cbb4d | 6 | * Modified by Kenji Arai |
kenjiArai | 0:0ef6455cbb4d | 7 | * http://www.page.sannet.ne.jp/kenjia/index.html |
kenjiArai | 4:342b665fb826 | 8 | * https://os.mbed.com/users/kenjiArai/ |
kenjiArai | 0:0ef6455cbb4d | 9 | * |
kenjiArai | 0:0ef6455cbb4d | 10 | * Started: April 8th, 2016 |
kenjiArai | 2:6fb0b87b041d | 11 | * Revised: June 13th, 2016 |
kenjiArai | 4:342b665fb826 | 12 | * Revised: Feburary 10th, 2018 Not set mac addr but use device name |
kenjiArai | 5:e90d7b6f83cb | 13 | * Revised: Feburary 11th, 2018 use mbed-os5.7.4 with CircularBuffer |
kenjiArai | 0:0ef6455cbb4d | 14 | * |
kenjiArai | 0:0ef6455cbb4d | 15 | * Original program (see original.cpp file): |
kenjiArai | 0:0ef6455cbb4d | 16 | * S130 potential unstability case [closed] by Fabien Comte |
kenjiArai | 3:9236f8e65c80 | 17 | * https://devzone.nordicsemi.com/question/49705/ |
kenjiArai | 3:9236f8e65c80 | 18 | * s130-potential-unstability-case/ |
kenjiArai | 0:0ef6455cbb4d | 19 | * GitHub Q&A by Fabien COMTE |
kenjiArai | 0:0ef6455cbb4d | 20 | * https://github.com/ARMmbed/ble/issues/69 |
kenjiArai | 4:342b665fb826 | 21 | * Reference program: |
kenjiArai | 4:342b665fb826 | 22 | * BLE_Central_test by noboru koshinaka |
kenjiArai | 4:342b665fb826 | 23 | * https://os.mbed.com/users/noboruk/code/BLE_Central_test/ |
kenjiArai | 1:f68a5e55a60e | 24 | * Tested Server Device: |
kenjiArai | 1:f68a5e55a60e | 25 | * BLE_Uart_Server |
kenjiArai | 4:342b665fb826 | 26 | * https://os.mbed.com/users/kenjiArai/code/BLE_Uart_Server/ |
kenjiArai | 0:0ef6455cbb4d | 27 | */ |
kenjiArai | 0:0ef6455cbb4d | 28 | |
kenjiArai | 3:9236f8e65c80 | 29 | // Include -------------------------------------------------------------------- |
kenjiArai | 0:0ef6455cbb4d | 30 | #include "mbed.h" |
kenjiArai | 0:0ef6455cbb4d | 31 | #include "BLE.h" |
kenjiArai | 4:342b665fb826 | 32 | #include "DiscoveredCharacteristic.h" |
kenjiArai | 4:342b665fb826 | 33 | #include "DiscoveredService.h" |
kenjiArai | 0:0ef6455cbb4d | 34 | #include "UARTService.h" |
kenjiArai | 5:e90d7b6f83cb | 35 | #include "CircularBuffer.h" |
kenjiArai | 0:0ef6455cbb4d | 36 | |
kenjiArai | 3:9236f8e65c80 | 37 | // Definition ----------------------------------------------------------------- |
kenjiArai | 4:342b665fb826 | 38 | //#define USE_MAC // if you use mac address, please define it |
kenjiArai | 4:342b665fb826 | 39 | |
kenjiArai | 4:342b665fb826 | 40 | #define NUM_ONCE 20 |
kenjiArai | 4:342b665fb826 | 41 | #define BFSIZE (NUM_ONCE+4) |
kenjiArai | 0:0ef6455cbb4d | 42 | |
kenjiArai | 3:9236f8e65c80 | 43 | //#define USE_DEBUG_MODE |
kenjiArai | 3:9236f8e65c80 | 44 | #ifdef USE_DEBUG_MODE |
kenjiArai | 3:9236f8e65c80 | 45 | #define DBG(...) { pc.printf(__VA_ARGS__); } |
kenjiArai | 0:0ef6455cbb4d | 46 | #else |
kenjiArai | 3:9236f8e65c80 | 47 | #define DBG(...) |
kenjiArai | 2:6fb0b87b041d | 48 | #endif |
kenjiArai | 2:6fb0b87b041d | 49 | |
kenjiArai | 0:0ef6455cbb4d | 50 | #define SOFT_DEVICE_FATHER_HANDLE 3 |
kenjiArai | 0:0ef6455cbb4d | 51 | |
kenjiArai | 3:9236f8e65c80 | 52 | // Object --------------------------------------------------------------------- |
kenjiArai | 4:342b665fb826 | 53 | BLE& ble_uart = BLE::Instance(); |
kenjiArai | 3:9236f8e65c80 | 54 | DigitalOut alivenessLED(LED1, 1); |
kenjiArai | 3:9236f8e65c80 | 55 | DigitalOut connectedLED(D10, 0); |
kenjiArai | 3:9236f8e65c80 | 56 | Serial pc(USBTX, USBRX, 115200); |
kenjiArai | 3:9236f8e65c80 | 57 | //Serial pc(P0_3, P0_1, 115200); // for another board |
kenjiArai | 3:9236f8e65c80 | 58 | Ticker ticker; |
kenjiArai | 5:e90d7b6f83cb | 59 | CircularBuffer<char, 1536> ser_bf; |
kenjiArai | 3:9236f8e65c80 | 60 | Thread tsk; |
kenjiArai | 0:0ef6455cbb4d | 61 | |
kenjiArai | 3:9236f8e65c80 | 62 | // ROM / Constant data -------------------------------------------------------- |
kenjiArai | 4:342b665fb826 | 63 | #ifdef USE_MAC |
kenjiArai | 0:0ef6455cbb4d | 64 | #warning "You need to modify below value based on your board." |
kenjiArai | 3:9236f8e65c80 | 65 | const Gap::Address_t mac_board_0 = {0x50, 0x2b, 0xea, 0x14, 0x95, 0xd2}; |
kenjiArai | 3:9236f8e65c80 | 66 | const Gap::Address_t mac_board_1 = {0x59, 0x2c, 0xa8, 0x0e, 0xe2, 0xef}; |
kenjiArai | 2:6fb0b87b041d | 67 | const Gap::Address_t mac_board_2 = {0x0f, 0x72, 0xbf, 0x43, 0xbc, 0xd0}; |
kenjiArai | 3:9236f8e65c80 | 68 | const Gap::Address_t mac_board_3 = {0x83, 0xc9, 0x1a, 0x90, 0xdf, 0xd6}; |
kenjiArai | 3:9236f8e65c80 | 69 | const Gap::Address_t mac_board_4 = {0x43, 0xa4, 0x36, 0x11, 0x5b, 0xeb}; |
kenjiArai | 4:342b665fb826 | 70 | #else |
kenjiArai | 4:342b665fb826 | 71 | const char PEER_NAME[] = "UART_PJL"; |
kenjiArai | 4:342b665fb826 | 72 | #endif |
kenjiArai | 0:0ef6455cbb4d | 73 | |
kenjiArai | 3:9236f8e65c80 | 74 | // RAM ------------------------------------------------------------------------ |
kenjiArai | 3:9236f8e65c80 | 75 | Gap::Handle_t connectionHandle = 0xFFFF; |
kenjiArai | 0:0ef6455cbb4d | 76 | DiscoveredCharacteristic uartTXCharacteristic; |
kenjiArai | 0:0ef6455cbb4d | 77 | DiscoveredCharacteristic uartRXCharacteristic; |
kenjiArai | 0:0ef6455cbb4d | 78 | bool foundUartRXCharacteristic = false; |
kenjiArai | 3:9236f8e65c80 | 79 | bool connected2server = false; |
kenjiArai | 3:9236f8e65c80 | 80 | bool connection_tx = false; |
kenjiArai | 3:9236f8e65c80 | 81 | bool connection_rx = false; |
kenjiArai | 3:9236f8e65c80 | 82 | UARTService * uartServicePtr = NULL; |
kenjiArai | 0:0ef6455cbb4d | 83 | Gap::Address_t my_mac; |
kenjiArai | 3:9236f8e65c80 | 84 | int my_board_index = -1; |
kenjiArai | 3:9236f8e65c80 | 85 | bool received_uart_dat = false; |
kenjiArai | 3:9236f8e65c80 | 86 | int8_t uart_buffer[BFSIZE]; |
kenjiArai | 3:9236f8e65c80 | 87 | uint8_t uart_bf_len; |
kenjiArai | 3:9236f8e65c80 | 88 | volatile bool rx_isr_busy = false; |
kenjiArai | 0:0ef6455cbb4d | 89 | |
kenjiArai | 3:9236f8e65c80 | 90 | // Function prototypes -------------------------------------------------------- |
kenjiArai | 0:0ef6455cbb4d | 91 | // BLE |
kenjiArai | 3:9236f8e65c80 | 92 | void advertisementCallback(const Gap::AdvertisementCallbackParams_t *); |
kenjiArai | 3:9236f8e65c80 | 93 | void serviceDiscoveryCallback(const DiscoveredService *); |
kenjiArai | 3:9236f8e65c80 | 94 | void characteristicDiscoveryCallback(const DiscoveredCharacteristic *); |
kenjiArai | 3:9236f8e65c80 | 95 | void discoveryTerminationCallback(Gap::Handle_t ); |
kenjiArai | 3:9236f8e65c80 | 96 | void onReceivedDataFromDeviceCallback(const GattHVXCallbackParams *); |
kenjiArai | 3:9236f8e65c80 | 97 | void connectionCallback(const Gap::ConnectionCallbackParams_t *); |
kenjiArai | 3:9236f8e65c80 | 98 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *); |
kenjiArai | 0:0ef6455cbb4d | 99 | // Interrupt related |
kenjiArai | 0:0ef6455cbb4d | 100 | void periodicCallback(void); |
kenjiArai | 0:0ef6455cbb4d | 101 | void serialRxCallback(void); |
kenjiArai | 3:9236f8e65c80 | 102 | // serial receiving |
kenjiArai | 3:9236f8e65c80 | 103 | void pc_ser_rx(void); |
kenjiArai | 3:9236f8e65c80 | 104 | void preparation_sending_data(void); |
kenjiArai | 0:0ef6455cbb4d | 105 | // Pre-check |
kenjiArai | 3:9236f8e65c80 | 106 | bool mac_equals(const Gap::Address_t, const Gap::Address_t); |
kenjiArai | 3:9236f8e65c80 | 107 | int get_board_index(const Gap::Address_t); |
kenjiArai | 3:9236f8e65c80 | 108 | void adjust_line(uint8_t *); |
kenjiArai | 0:0ef6455cbb4d | 109 | |
kenjiArai | 3:9236f8e65c80 | 110 | //------------------------------------------------------------------------------ |
kenjiArai | 0:0ef6455cbb4d | 111 | // Control Program |
kenjiArai | 3:9236f8e65c80 | 112 | //------------------------------------------------------------------------------ |
kenjiArai | 3:9236f8e65c80 | 113 | int main(void) |
kenjiArai | 3:9236f8e65c80 | 114 | { |
kenjiArai | 0:0ef6455cbb4d | 115 | alivenessLED = 0; |
kenjiArai | 3:9236f8e65c80 | 116 | pc.attach(&serialRxCallback, Serial::RxIrq); |
kenjiArai | 0:0ef6455cbb4d | 117 | ticker.attach(periodicCallback, 1); |
kenjiArai | 3:9236f8e65c80 | 118 | tsk.start(pc_ser_rx); |
kenjiArai | 3:9236f8e65c80 | 119 | // clear terminal output |
kenjiArai | 4:342b665fb826 | 120 | for (int k = 0; k < 3; k++) { |
kenjiArai | 4:342b665fb826 | 121 | pc.printf("\r\n"); |
kenjiArai | 4:342b665fb826 | 122 | } |
kenjiArai | 3:9236f8e65c80 | 123 | // opening message |
kenjiArai | 3:9236f8e65c80 | 124 | pc.printf("UART Communication / Client(Central) side\r\n"); |
kenjiArai | 4:342b665fb826 | 125 | pc.printf(" need Server module (run BLE_Uart_Server program)\r\n"); |
kenjiArai | 3:9236f8e65c80 | 126 | // Mixed role ************************************************************** |
kenjiArai | 4:342b665fb826 | 127 | ble_uart.init(); |
kenjiArai | 4:342b665fb826 | 128 | ble_uart.gap().onConnection(connectionCallback); |
kenjiArai | 4:342b665fb826 | 129 | ble_uart.gap().onDisconnection(disconnectionCallback); |
kenjiArai | 3:9236f8e65c80 | 130 | // Client(Central) role **************************************************** |
kenjiArai | 4:342b665fb826 | 131 | ble_uart.gattClient().onHVX(onReceivedDataFromDeviceCallback); |
kenjiArai | 4:342b665fb826 | 132 | ble_uart.gap().setScanParams(500, 450); |
kenjiArai | 4:342b665fb826 | 133 | ble_uart.gap().startScan(advertisementCallback); |
kenjiArai | 0:0ef6455cbb4d | 134 | while(true) { |
kenjiArai | 1:f68a5e55a60e | 135 | // allow notifications from Server(Peripheral) |
kenjiArai | 3:9236f8e65c80 | 136 | if (foundUartRXCharacteristic && |
kenjiArai | 4:342b665fb826 | 137 | !ble_uart.gattClient().isServiceDiscoveryActive()) { |
kenjiArai | 3:9236f8e65c80 | 138 | // need to do the following only once |
kenjiArai | 3:9236f8e65c80 | 139 | foundUartRXCharacteristic = false; |
kenjiArai | 0:0ef6455cbb4d | 140 | uint16_t value = BLE_HVX_NOTIFICATION; |
kenjiArai | 4:342b665fb826 | 141 | ble_uart.gattClient().write( |
kenjiArai | 0:0ef6455cbb4d | 142 | GattClient::GATT_OP_WRITE_REQ, |
kenjiArai | 0:0ef6455cbb4d | 143 | connectionHandle, |
kenjiArai | 0:0ef6455cbb4d | 144 | uartRXCharacteristic.getValueHandle() + 1, |
kenjiArai | 0:0ef6455cbb4d | 145 | sizeof(uint16_t), |
kenjiArai | 0:0ef6455cbb4d | 146 | reinterpret_cast<const uint8_t *>(&value) |
kenjiArai | 0:0ef6455cbb4d | 147 | ); |
kenjiArai | 0:0ef6455cbb4d | 148 | } |
kenjiArai | 4:342b665fb826 | 149 | if (received_uart_dat == true) { |
kenjiArai | 3:9236f8e65c80 | 150 | received_uart_dat = false; |
kenjiArai | 4:342b665fb826 | 151 | for(int i = 0; i < uart_bf_len; i++) { |
kenjiArai | 3:9236f8e65c80 | 152 | //pc.printf("%c", uart_buffer[i]); |
kenjiArai | 3:9236f8e65c80 | 153 | pc.putc(uart_buffer[i]); |
kenjiArai | 0:0ef6455cbb4d | 154 | } |
kenjiArai | 0:0ef6455cbb4d | 155 | } |
kenjiArai | 4:342b665fb826 | 156 | ble_uart.waitForEvent(); |
kenjiArai | 3:9236f8e65c80 | 157 | } |
kenjiArai | 3:9236f8e65c80 | 158 | } |
kenjiArai | 3:9236f8e65c80 | 159 | |
kenjiArai | 3:9236f8e65c80 | 160 | void periodicCallback(void) |
kenjiArai | 3:9236f8e65c80 | 161 | { |
kenjiArai | 3:9236f8e65c80 | 162 | // Do blinky on alivenessLED to indicate system aliveness |
kenjiArai | 4:342b665fb826 | 163 | alivenessLED = !alivenessLED; |
kenjiArai | 4:342b665fb826 | 164 | if (connected2server) { |
kenjiArai | 3:9236f8e65c80 | 165 | connectedLED = 1; |
kenjiArai | 3:9236f8e65c80 | 166 | } else { |
kenjiArai | 3:9236f8e65c80 | 167 | connectedLED = 0; |
kenjiArai | 3:9236f8e65c80 | 168 | } |
kenjiArai | 4:342b665fb826 | 169 | if (rx_isr_busy == true) { |
kenjiArai | 3:9236f8e65c80 | 170 | rx_isr_busy = false; |
kenjiArai | 3:9236f8e65c80 | 171 | } else { |
kenjiArai | 3:9236f8e65c80 | 172 | tsk.signal_set(0x01); |
kenjiArai | 0:0ef6455cbb4d | 173 | } |
kenjiArai | 0:0ef6455cbb4d | 174 | } |
kenjiArai | 0:0ef6455cbb4d | 175 | |
kenjiArai | 3:9236f8e65c80 | 176 | void serialRxCallback() |
kenjiArai | 3:9236f8e65c80 | 177 | { |
kenjiArai | 5:e90d7b6f83cb | 178 | ser_bf.push(pc.getc()); |
kenjiArai | 3:9236f8e65c80 | 179 | rx_isr_busy = true; |
kenjiArai | 3:9236f8e65c80 | 180 | tsk.signal_set(0x01); |
kenjiArai | 0:0ef6455cbb4d | 181 | } |
kenjiArai | 0:0ef6455cbb4d | 182 | |
kenjiArai | 3:9236f8e65c80 | 183 | void pc_ser_rx() |
kenjiArai | 3:9236f8e65c80 | 184 | { |
kenjiArai | 3:9236f8e65c80 | 185 | static uint8_t linebf_irq[BFSIZE]; |
kenjiArai | 3:9236f8e65c80 | 186 | static volatile uint8_t linebf_irq_len = 0; |
kenjiArai | 0:0ef6455cbb4d | 187 | |
kenjiArai | 4:342b665fb826 | 188 | while(true) { |
kenjiArai | 3:9236f8e65c80 | 189 | Thread::signal_wait(0x01); |
kenjiArai | 5:e90d7b6f83cb | 190 | if (ser_bf.empty()) { |
kenjiArai | 4:342b665fb826 | 191 | if (linebf_irq_len != 0) { |
kenjiArai | 3:9236f8e65c80 | 192 | linebf_irq[linebf_irq_len] = 0; |
kenjiArai | 3:9236f8e65c80 | 193 | adjust_line(linebf_irq); |
kenjiArai | 3:9236f8e65c80 | 194 | linebf_irq_len = 0; |
kenjiArai | 3:9236f8e65c80 | 195 | uartTXCharacteristic.write(NUM_ONCE, linebf_irq); |
kenjiArai | 3:9236f8e65c80 | 196 | } |
kenjiArai | 0:0ef6455cbb4d | 197 | } |
kenjiArai | 5:e90d7b6f83cb | 198 | while(!ser_bf.empty()) { |
kenjiArai | 5:e90d7b6f83cb | 199 | char c; |
kenjiArai | 5:e90d7b6f83cb | 200 | ser_bf.pop(c); |
kenjiArai | 4:342b665fb826 | 201 | if (c == '\b') { |
kenjiArai | 3:9236f8e65c80 | 202 | linebf_irq_len--; |
kenjiArai | 3:9236f8e65c80 | 203 | pc.putc(c); |
kenjiArai | 3:9236f8e65c80 | 204 | pc.putc(' '); |
kenjiArai | 3:9236f8e65c80 | 205 | pc.putc(c); |
kenjiArai | 4:342b665fb826 | 206 | } else if ((c >= ' ') || (c == '\r') || (c == '\n')) { |
kenjiArai | 3:9236f8e65c80 | 207 | bool overflow = false; |
kenjiArai | 3:9236f8e65c80 | 208 | if ((c == '\r') || (c == '\n')) { |
kenjiArai | 4:342b665fb826 | 209 | if (linebf_irq_len == NUM_ONCE - 1) { // remain only 1 buffer |
kenjiArai | 3:9236f8e65c80 | 210 | overflow = true; |
kenjiArai | 3:9236f8e65c80 | 211 | linebf_irq[linebf_irq_len++] = '\r'; |
kenjiArai | 3:9236f8e65c80 | 212 | pc.putc('\r'); |
kenjiArai | 3:9236f8e65c80 | 213 | } else { |
kenjiArai | 3:9236f8e65c80 | 214 | overflow = false; |
kenjiArai | 3:9236f8e65c80 | 215 | linebf_irq[linebf_irq_len++] = '\r'; |
kenjiArai | 3:9236f8e65c80 | 216 | linebf_irq[linebf_irq_len++] = '\n'; |
kenjiArai | 3:9236f8e65c80 | 217 | pc.printf("\r\n"); |
kenjiArai | 3:9236f8e65c80 | 218 | } |
kenjiArai | 3:9236f8e65c80 | 219 | } else { |
kenjiArai | 3:9236f8e65c80 | 220 | linebf_irq[linebf_irq_len++] = c; |
kenjiArai | 3:9236f8e65c80 | 221 | pc.putc(c); |
kenjiArai | 3:9236f8e65c80 | 222 | } |
kenjiArai | 4:342b665fb826 | 223 | if (linebf_irq_len >= NUM_ONCE ) { |
kenjiArai | 3:9236f8e65c80 | 224 | linebf_irq[linebf_irq_len] = 0; |
kenjiArai | 3:9236f8e65c80 | 225 | uartTXCharacteristic.write(linebf_irq_len, linebf_irq); |
kenjiArai | 3:9236f8e65c80 | 226 | linebf_irq_len = 0; |
kenjiArai | 4:342b665fb826 | 227 | if (overflow == true) { |
kenjiArai | 3:9236f8e65c80 | 228 | overflow = false; |
kenjiArai | 3:9236f8e65c80 | 229 | linebf_irq[linebf_irq_len++] = '\n'; |
kenjiArai | 3:9236f8e65c80 | 230 | pc.putc('\n'); |
kenjiArai | 3:9236f8e65c80 | 231 | } |
kenjiArai | 3:9236f8e65c80 | 232 | } |
kenjiArai | 3:9236f8e65c80 | 233 | } |
kenjiArai | 0:0ef6455cbb4d | 234 | } |
kenjiArai | 0:0ef6455cbb4d | 235 | } |
kenjiArai | 0:0ef6455cbb4d | 236 | } |
kenjiArai | 0:0ef6455cbb4d | 237 | |
kenjiArai | 3:9236f8e65c80 | 238 | void adjust_line(uint8_t *bf) |
kenjiArai | 3:9236f8e65c80 | 239 | { |
kenjiArai | 3:9236f8e65c80 | 240 | uint8_t i, c; |
kenjiArai | 3:9236f8e65c80 | 241 | |
kenjiArai | 4:342b665fb826 | 242 | for (i = 0; i <NUM_ONCE; bf++, i++) { |
kenjiArai | 3:9236f8e65c80 | 243 | c = *bf; |
kenjiArai | 4:342b665fb826 | 244 | if (c == 0) { |
kenjiArai | 4:342b665fb826 | 245 | break; |
kenjiArai | 4:342b665fb826 | 246 | } |
kenjiArai | 3:9236f8e65c80 | 247 | } |
kenjiArai | 4:342b665fb826 | 248 | for (; i < NUM_ONCE; bf++, i++) { |
kenjiArai | 4:342b665fb826 | 249 | *bf = 0x11; |
kenjiArai | 4:342b665fb826 | 250 | } |
kenjiArai | 3:9236f8e65c80 | 251 | *(bf + 1) = 0; |
kenjiArai | 3:9236f8e65c80 | 252 | } |
kenjiArai | 3:9236f8e65c80 | 253 | |
kenjiArai | 3:9236f8e65c80 | 254 | void onReceivedDataFromDeviceCallback(const GattHVXCallbackParams *params) |
kenjiArai | 3:9236f8e65c80 | 255 | { |
kenjiArai | 3:9236f8e65c80 | 256 | DBG( |
kenjiArai | 0:0ef6455cbb4d | 257 | "received HVX callback for handle %u; type %s\r\r\n", |
kenjiArai | 0:0ef6455cbb4d | 258 | params->handle, |
kenjiArai | 0:0ef6455cbb4d | 259 | (params->type == BLE_HVX_NOTIFICATION) ? "notification" : "indication" |
kenjiArai | 0:0ef6455cbb4d | 260 | ); |
kenjiArai | 4:342b665fb826 | 261 | if (params->type == BLE_HVX_NOTIFICATION) { |
kenjiArai | 0:0ef6455cbb4d | 262 | if ((params->handle |
kenjiArai | 4:342b665fb826 | 263 | == uartRXCharacteristic.getValueHandle()) && (params->len > 0)) { |
kenjiArai | 3:9236f8e65c80 | 264 | uart_bf_len = params->len; |
kenjiArai | 3:9236f8e65c80 | 265 | strcpy((char *)uart_buffer, (char *)params->data); |
kenjiArai | 3:9236f8e65c80 | 266 | received_uart_dat = true; |
kenjiArai | 4:342b665fb826 | 267 | } |
kenjiArai | 0:0ef6455cbb4d | 268 | } |
kenjiArai | 0:0ef6455cbb4d | 269 | } |
kenjiArai | 0:0ef6455cbb4d | 270 | |
kenjiArai | 4:342b665fb826 | 271 | #ifdef USE_MAC |
kenjiArai | 4:342b665fb826 | 272 | |
kenjiArai | 3:9236f8e65c80 | 273 | bool mac_equals(const Gap::Address_t mac_1, const Gap::Address_t mac_2) |
kenjiArai | 3:9236f8e65c80 | 274 | { |
kenjiArai | 3:9236f8e65c80 | 275 | DBG("Address: "); |
kenjiArai | 4:342b665fb826 | 276 | for (int i = 0; i < 6; i++) { |
kenjiArai | 3:9236f8e65c80 | 277 | DBG("0x%02x ", mac_1[i]); |
kenjiArai | 0:0ef6455cbb4d | 278 | } |
kenjiArai | 3:9236f8e65c80 | 279 | DBG("\r\n"); |
kenjiArai | 4:342b665fb826 | 280 | for (int i = 0; i < 6; i++) { |
kenjiArai | 4:342b665fb826 | 281 | if (mac_1[i] != mac_2[i]) { |
kenjiArai | 3:9236f8e65c80 | 282 | DBG("0x%02x != 0x%02x at %d\r\n", mac_1[i], mac_2[i], i); |
kenjiArai | 0:0ef6455cbb4d | 283 | return false; |
kenjiArai | 0:0ef6455cbb4d | 284 | } else { |
kenjiArai | 3:9236f8e65c80 | 285 | DBG("0x%02x == 0x%02x at %d\r\n", mac_1[i], mac_2[i], i); |
kenjiArai | 0:0ef6455cbb4d | 286 | } |
kenjiArai | 0:0ef6455cbb4d | 287 | } |
kenjiArai | 0:0ef6455cbb4d | 288 | return true; |
kenjiArai | 0:0ef6455cbb4d | 289 | } |
kenjiArai | 0:0ef6455cbb4d | 290 | |
kenjiArai | 3:9236f8e65c80 | 291 | int get_board_index(const Gap::Address_t mac) |
kenjiArai | 3:9236f8e65c80 | 292 | { |
kenjiArai | 4:342b665fb826 | 293 | if (mac_equals(mac, mac_board_0)) { |
kenjiArai | 4:342b665fb826 | 294 | return 0; |
kenjiArai | 4:342b665fb826 | 295 | } |
kenjiArai | 4:342b665fb826 | 296 | if (mac_equals(mac, mac_board_1)) { |
kenjiArai | 4:342b665fb826 | 297 | return 1; |
kenjiArai | 4:342b665fb826 | 298 | } |
kenjiArai | 4:342b665fb826 | 299 | if (mac_equals(mac, mac_board_2)) { |
kenjiArai | 4:342b665fb826 | 300 | return 2; |
kenjiArai | 4:342b665fb826 | 301 | } |
kenjiArai | 4:342b665fb826 | 302 | if (mac_equals(mac, mac_board_3)) { |
kenjiArai | 4:342b665fb826 | 303 | return 3; |
kenjiArai | 4:342b665fb826 | 304 | } |
kenjiArai | 4:342b665fb826 | 305 | if (mac_equals(mac, mac_board_4)) { |
kenjiArai | 4:342b665fb826 | 306 | return 4; |
kenjiArai | 4:342b665fb826 | 307 | } |
kenjiArai | 0:0ef6455cbb4d | 308 | return -1; |
kenjiArai | 0:0ef6455cbb4d | 309 | } |
kenjiArai | 0:0ef6455cbb4d | 310 | |
kenjiArai | 3:9236f8e65c80 | 311 | // Client(Central) role ******************************************************** |
kenjiArai | 3:9236f8e65c80 | 312 | void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) |
kenjiArai | 3:9236f8e65c80 | 313 | { |
kenjiArai | 0:0ef6455cbb4d | 314 | // connections |
kenjiArai | 0:0ef6455cbb4d | 315 | int peer_board_index = get_board_index(params->peerAddr); |
kenjiArai | 4:342b665fb826 | 316 | if (peer_board_index != -1) { |
kenjiArai | 3:9236f8e65c80 | 317 | pc.printf(""); |
kenjiArai | 3:9236f8e65c80 | 318 | pc.printf( |
kenjiArai | 3:9236f8e65c80 | 319 | "adv peerAddr [%02x %02x %02x %02x %02x %02x]\r\n", |
kenjiArai | 0:0ef6455cbb4d | 320 | params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], |
kenjiArai | 4:342b665fb826 | 321 | params->peerAddr[2], params->peerAddr[1], params->peerAddr[0] |
kenjiArai | 0:0ef6455cbb4d | 322 | ); |
kenjiArai | 3:9236f8e65c80 | 323 | pc.printf( |
kenjiArai | 3:9236f8e65c80 | 324 | "rssi=%+4d, isScanResponse %u, AdvertisementType %u\r\n", |
kenjiArai | 3:9236f8e65c80 | 325 | params->rssi, params->isScanResponse, params->type |
kenjiArai | 3:9236f8e65c80 | 326 | ); |
kenjiArai | 4:342b665fb826 | 327 | ble_uart.gap().connect( |
kenjiArai | 3:9236f8e65c80 | 328 | params->peerAddr, Gap::ADDR_TYPE_RANDOM_STATIC, NULL, NULL); |
kenjiArai | 0:0ef6455cbb4d | 329 | } |
kenjiArai | 0:0ef6455cbb4d | 330 | } |
kenjiArai | 0:0ef6455cbb4d | 331 | |
kenjiArai | 4:342b665fb826 | 332 | #else |
kenjiArai | 4:342b665fb826 | 333 | |
kenjiArai | 4:342b665fb826 | 334 | // Client(Central) role ******************************************************** |
kenjiArai | 4:342b665fb826 | 335 | void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) |
kenjiArai | 4:342b665fb826 | 336 | { |
kenjiArai | 4:342b665fb826 | 337 | bool name_match = false; |
kenjiArai | 4:342b665fb826 | 338 | |
kenjiArai | 4:342b665fb826 | 339 | // parse the advertising payload, looking for data type COMPLETE_LOCAL_NAME |
kenjiArai | 4:342b665fb826 | 340 | // The advertising payload is a collection of key/value records where |
kenjiArai | 4:342b665fb826 | 341 | // byte 0: length of the record excluding this byte |
kenjiArai | 4:342b665fb826 | 342 | // byte 1: The key, it is the type of the data |
kenjiArai | 4:342b665fb826 | 343 | // byte [2..N] The value. N is equal to byte0 - 1 |
kenjiArai | 4:342b665fb826 | 344 | |
kenjiArai | 4:342b665fb826 | 345 | for( uint8_t i = 0; i < params->advertisingDataLen; ++i) { |
kenjiArai | 4:342b665fb826 | 346 | const uint8_t record_length = params->advertisingData[i]; |
kenjiArai | 4:342b665fb826 | 347 | if (record_length == 0) { |
kenjiArai | 4:342b665fb826 | 348 | continue; |
kenjiArai | 4:342b665fb826 | 349 | } |
kenjiArai | 4:342b665fb826 | 350 | const uint8_t type = params->advertisingData[i + 1]; |
kenjiArai | 4:342b665fb826 | 351 | const uint8_t* value = params->advertisingData + i + 2; |
kenjiArai | 4:342b665fb826 | 352 | const uint8_t value_length = record_length - 1; |
kenjiArai | 4:342b665fb826 | 353 | |
kenjiArai | 4:342b665fb826 | 354 | if(type == GapAdvertisingData::COMPLETE_LOCAL_NAME) { |
kenjiArai | 4:342b665fb826 | 355 | if ((value_length == sizeof(PEER_NAME)) |
kenjiArai | 4:342b665fb826 | 356 | && (memcmp(value, PEER_NAME, value_length) == 0)) { |
kenjiArai | 4:342b665fb826 | 357 | pc.printf( |
kenjiArai | 4:342b665fb826 | 358 | "\r\nadv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, ", |
kenjiArai | 4:342b665fb826 | 359 | params->peerAddr[5], params->peerAddr[4], |
kenjiArai | 4:342b665fb826 | 360 | params->peerAddr[3], params->peerAddr[2], |
kenjiArai | 4:342b665fb826 | 361 | params->peerAddr[1], params->peerAddr[0], |
kenjiArai | 4:342b665fb826 | 362 | params->rssi |
kenjiArai | 4:342b665fb826 | 363 | ); |
kenjiArai | 4:342b665fb826 | 364 | pc.printf( |
kenjiArai | 4:342b665fb826 | 365 | "isScanResponse %u, AdvertisementType %u\r\n", |
kenjiArai | 4:342b665fb826 | 366 | params->isScanResponse, params->type |
kenjiArai | 4:342b665fb826 | 367 | ); |
kenjiArai | 4:342b665fb826 | 368 | name_match = true; |
kenjiArai | 4:342b665fb826 | 369 | break; |
kenjiArai | 4:342b665fb826 | 370 | } |
kenjiArai | 4:342b665fb826 | 371 | } |
kenjiArai | 4:342b665fb826 | 372 | i += record_length; |
kenjiArai | 4:342b665fb826 | 373 | } |
kenjiArai | 4:342b665fb826 | 374 | if( name_match != true ) { |
kenjiArai | 4:342b665fb826 | 375 | return; |
kenjiArai | 4:342b665fb826 | 376 | } |
kenjiArai | 4:342b665fb826 | 377 | |
kenjiArai | 4:342b665fb826 | 378 | pc.printf("Found device name : %s\r\n",PEER_NAME); |
kenjiArai | 4:342b665fb826 | 379 | // connections |
kenjiArai | 4:342b665fb826 | 380 | ble_uart.gap().connect(params->peerAddr, |
kenjiArai | 4:342b665fb826 | 381 | Gap::ADDR_TYPE_RANDOM_STATIC, NULL, NULL); |
kenjiArai | 4:342b665fb826 | 382 | } |
kenjiArai | 4:342b665fb826 | 383 | |
kenjiArai | 4:342b665fb826 | 384 | #endif |
kenjiArai | 4:342b665fb826 | 385 | |
kenjiArai | 3:9236f8e65c80 | 386 | void serviceDiscoveryCallback(const DiscoveredService *service) |
kenjiArai | 3:9236f8e65c80 | 387 | { |
kenjiArai | 3:9236f8e65c80 | 388 | DBG("service found...\r\n"); |
kenjiArai | 4:342b665fb826 | 389 | if (service->getUUID().shortOrLong() == UUID::UUID_TYPE_SHORT) { |
kenjiArai | 3:9236f8e65c80 | 390 | DBG( |
kenjiArai | 0:0ef6455cbb4d | 391 | "Service UUID-%x attrs[%u %u]\r\n", |
kenjiArai | 0:0ef6455cbb4d | 392 | service->getUUID().getShortUUID(), |
kenjiArai | 0:0ef6455cbb4d | 393 | service->getStartHandle(), |
kenjiArai | 0:0ef6455cbb4d | 394 | service->getEndHandle() |
kenjiArai | 0:0ef6455cbb4d | 395 | ); |
kenjiArai | 0:0ef6455cbb4d | 396 | } else { |
kenjiArai | 3:9236f8e65c80 | 397 | DBG("Service UUID-"); |
kenjiArai | 0:0ef6455cbb4d | 398 | const uint8_t *longUUIDBytes = service->getUUID().getBaseUUID(); |
kenjiArai | 0:0ef6455cbb4d | 399 | for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) { |
kenjiArai | 3:9236f8e65c80 | 400 | DBG("%02x", longUUIDBytes[i]); |
kenjiArai | 0:0ef6455cbb4d | 401 | } |
kenjiArai | 3:9236f8e65c80 | 402 | DBG(" attrs[%u %u]\r\n", |
kenjiArai | 4:342b665fb826 | 403 | service->getStartHandle(), service->getEndHandle()); |
kenjiArai | 0:0ef6455cbb4d | 404 | } |
kenjiArai | 0:0ef6455cbb4d | 405 | } |
kenjiArai | 0:0ef6455cbb4d | 406 | |
kenjiArai | 3:9236f8e65c80 | 407 | void characteristicDiscoveryCallback( |
kenjiArai | 3:9236f8e65c80 | 408 | const DiscoveredCharacteristic *characteristicP) |
kenjiArai | 3:9236f8e65c80 | 409 | { |
kenjiArai | 3:9236f8e65c80 | 410 | DBG( |
kenjiArai | 0:0ef6455cbb4d | 411 | " C UUID-%x valueAttr[%u] props[%x]\r\n", |
kenjiArai | 0:0ef6455cbb4d | 412 | characteristicP->getUUID().getShortUUID(), |
kenjiArai | 0:0ef6455cbb4d | 413 | characteristicP->getValueHandle(), |
kenjiArai | 0:0ef6455cbb4d | 414 | (uint8_t)characteristicP->getProperties().broadcast() |
kenjiArai | 0:0ef6455cbb4d | 415 | ); |
kenjiArai | 0:0ef6455cbb4d | 416 | if (characteristicP->getUUID().getShortUUID() |
kenjiArai | 4:342b665fb826 | 417 | == UARTServiceTXCharacteristicShortUUID) { |
kenjiArai | 3:9236f8e65c80 | 418 | DBG("Sevice TX 0x%04x\r\n", UARTServiceTXCharacteristicShortUUID); |
kenjiArai | 0:0ef6455cbb4d | 419 | uartTXCharacteristic = *characteristicP; |
kenjiArai | 2:6fb0b87b041d | 420 | connection_tx = true; |
kenjiArai | 0:0ef6455cbb4d | 421 | } else if (characteristicP->getUUID().getShortUUID() |
kenjiArai | 4:342b665fb826 | 422 | == UARTServiceRXCharacteristicShortUUID) { |
kenjiArai | 3:9236f8e65c80 | 423 | DBG("Sevice RX 0x%04x\r\n", UARTServiceRXCharacteristicShortUUID); |
kenjiArai | 0:0ef6455cbb4d | 424 | uartRXCharacteristic = *characteristicP; |
kenjiArai | 0:0ef6455cbb4d | 425 | foundUartRXCharacteristic = true; |
kenjiArai | 2:6fb0b87b041d | 426 | connection_rx = true; |
kenjiArai | 0:0ef6455cbb4d | 427 | } |
kenjiArai | 0:0ef6455cbb4d | 428 | } |
kenjiArai | 0:0ef6455cbb4d | 429 | |
kenjiArai | 3:9236f8e65c80 | 430 | void discoveryTerminationCallback(Gap::Handle_t connectionHandle) |
kenjiArai | 3:9236f8e65c80 | 431 | { |
kenjiArai | 3:9236f8e65c80 | 432 | DBG("terminated SD for handle=%u\r\n", connectionHandle); |
kenjiArai | 0:0ef6455cbb4d | 433 | } |
kenjiArai | 0:0ef6455cbb4d | 434 | |
kenjiArai | 3:9236f8e65c80 | 435 | // Mixed role ****************************************************************** |
kenjiArai | 3:9236f8e65c80 | 436 | void connectionCallback(const Gap::ConnectionCallbackParams_t *params) |
kenjiArai | 3:9236f8e65c80 | 437 | { |
kenjiArai | 0:0ef6455cbb4d | 438 | if (params->role == Gap::CENTRAL) { |
kenjiArai | 3:9236f8e65c80 | 439 | pc.printf("connected as Client(Central) (handle = %d)\r\n\r", |
kenjiArai | 4:342b665fb826 | 440 | params->handle); |
kenjiArai | 1:f68a5e55a60e | 441 | connected2server = true; |
kenjiArai | 0:0ef6455cbb4d | 442 | connectionHandle = params->handle; |
kenjiArai | 4:342b665fb826 | 443 | ble_uart.gattClient().onServiceDiscoveryTermination( |
kenjiArai | 4:342b665fb826 | 444 | discoveryTerminationCallback); |
kenjiArai | 4:342b665fb826 | 445 | ble_uart.gattClient().launchServiceDiscovery( |
kenjiArai | 4:342b665fb826 | 446 | params->handle, |
kenjiArai | 4:342b665fb826 | 447 | serviceDiscoveryCallback, |
kenjiArai | 4:342b665fb826 | 448 | characteristicDiscoveryCallback |
kenjiArai | 0:0ef6455cbb4d | 449 | ); |
kenjiArai | 0:0ef6455cbb4d | 450 | } |
kenjiArai | 3:9236f8e65c80 | 451 | pc.printf( |
kenjiArai | 4:342b665fb826 | 452 | "Client(Central/Myself) %02x:%02x:%02x:%02x:%02x:%02x\r\n", |
kenjiArai | 0:0ef6455cbb4d | 453 | params->ownAddr[5], params->ownAddr[4], params->ownAddr[3], |
kenjiArai | 3:9236f8e65c80 | 454 | params->ownAddr[2], params->ownAddr[1], params->ownAddr[0] |
kenjiArai | 3:9236f8e65c80 | 455 | ); |
kenjiArai | 3:9236f8e65c80 | 456 | pc.printf( |
kenjiArai | 4:342b665fb826 | 457 | "Connected Server(Peripheral) %02x:%02x:%02x:%02x:%02x:%02x\r\n", |
kenjiArai | 0:0ef6455cbb4d | 458 | params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], |
kenjiArai | 3:9236f8e65c80 | 459 | params->peerAddr[2], params->peerAddr[1], params->peerAddr[0] |
kenjiArai | 0:0ef6455cbb4d | 460 | ); |
kenjiArai | 0:0ef6455cbb4d | 461 | } |
kenjiArai | 0:0ef6455cbb4d | 462 | |
kenjiArai | 3:9236f8e65c80 | 463 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) |
kenjiArai | 3:9236f8e65c80 | 464 | { |
kenjiArai | 3:9236f8e65c80 | 465 | DBG("handle = %d ", params->handle); |
kenjiArai | 3:9236f8e65c80 | 466 | pc.printf(" -> disconnected\r\n", params->handle); |
kenjiArai | 1:f68a5e55a60e | 467 | connected2server = false; |
kenjiArai | 3:9236f8e65c80 | 468 | // connection_1st = false; |
kenjiArai | 2:6fb0b87b041d | 469 | connection_tx = false; |
kenjiArai | 2:6fb0b87b041d | 470 | connection_rx = false; |
kenjiArai | 0:0ef6455cbb4d | 471 | if (params->handle == SOFT_DEVICE_FATHER_HANDLE) { |
kenjiArai | 4:342b665fb826 | 472 | ble_uart.startAdvertising(); // restart advertising |
kenjiArai | 0:0ef6455cbb4d | 473 | } else { |
kenjiArai | 4:342b665fb826 | 474 | ble_uart.gap().startScan(advertisementCallback);// restart scan |
kenjiArai | 0:0ef6455cbb4d | 475 | } |
kenjiArai | 0:0ef6455cbb4d | 476 | } |