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Depart L476 Version 1 Communication UART par BLE avec App Inventor Communication HC05 avec F411
Dependencies: mbed X_NUCLEO_IDB0XA1 BLE_API
Diff: main.cpp
- Revision:
- 8:60033323cbcb
- Parent:
- 7:8490fe113598
diff -r 8490fe113598 -r 60033323cbcb main.cpp --- a/main.cpp Tue Apr 25 15:26:50 2017 +0000 +++ b/main.cpp Tue Apr 25 15:45:05 2017 +0000 @@ -16,77 +16,44 @@ #include "mbed.h" #include "ble/BLE.h" -#include "ble/services/UARTService.h" -#include "Serial.h" - -#define UART_BUFFER (UARTService::BLE_UART_SERVICE_MAX_DATA_LEN*10) +#include "LEDService.h" -const static char DEVICE_NAME[] = "UART"; -UARTService *uartServicePtr; -static uint8_t uartBuff[UART_BUFFER]; -static uint8_t uartBuffPos=0; +DigitalOut actuatedLED(LED1, 0); + +const static char DEVICE_NAME[] = "LED"; +static const uint16_t uuid16_list[] = {LEDService::LED_SERVICE_UUID}; -void onBleError(ble_error_t error); - -DigitalOut led1(LED1); -Serial uart1(USBTX,USBRX); -Ticker ticker; +LEDService *ledServicePtr; -#define DEBUG uart1.printf - -/* Ticker */ -void periodicCallback(void) +void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) { - led1 = !led1; + (void)params; + BLE::Instance().gap().startAdvertising(); // restart advertising } -/* UART */ -void uartRx(void) -{ - if(uart1.readable()){ - uartBuff[uartBuffPos] = uart1.getc(); - if((uartBuff[uartBuffPos] == '\r') || (uartBuff[uartBuffPos] == '\n') || (uartBuffPos >= UART_BUFFER)) { - uartBuff[uartBuffPos] = '\0'; - /* We are sending the whole string even if less than BLE_UART_SERVICE_MAX_DATA_LEN otherwise we need to wait */ - uartServicePtr->write(uartBuff, (uartBuffPos/UARTService::BLE_UART_SERVICE_MAX_DATA_LEN +1) * UARTService::BLE_UART_SERVICE_MAX_DATA_LEN); - DEBUG("TX : %s\r\n", uartBuff); - memset(uartBuff, 0, UART_BUFFER); - uartBuffPos = 0; - } - else - uartBuffPos++; +/** + * This callback allows the LEDService to receive updates to the ledState Characteristic. + * + * @param[in] params + * Information about the characterisitc being updated. + */ +void onDataWrittenCallback(const GattWriteCallbackParams *params) { + if ((params->handle == ledServicePtr->getValueHandle()) && (params->len == 1)) { + actuatedLED = *(params->data); } } - -/* BLE */ -void BleConnectionCallback(const Gap::ConnectionCallbackParams_t *params) { - DEBUG("BLE Client Connected!\n\r"); - DEBUG("Please type a string and press return\r\n"); - - ticker.attach(periodicCallback, 1); -} - -void BleDisconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) -{ - (void)params; - DEBUG("BLE Client Disconnected!\r\n"); - ticker.detach(); - BLE::Instance().gap().startAdvertising(); // restart advertising - led1=0; -} - -void BleOnDataWrittenCallback(const GattWriteCallbackParams *params) { - if (params->handle == uartServicePtr->getTXCharacteristicHandle()){ - DEBUG("RX: %s\r\n", params->data); - } -} - -void onBleError(ble_error_t error) { - DEBUG("BLE Error: %d\r\n"); - /* Handle error now */ +/** + * This function is called when the ble initialization process has failled + */ +void onBleInitError(BLE &ble, ble_error_t error) +{ + /* Initialization error handling should go here */ } +/** + * Callback triggered when the ble initialization process has finished + */ void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) { BLE& ble = params->ble; @@ -94,7 +61,7 @@ if (error != BLE_ERROR_NONE) { /* In case of error, forward the error handling to onBleInitError */ - onBleError(error); + onBleInitError(ble, error); return; } @@ -103,22 +70,18 @@ return; } - ble.gap().onConnection(BleConnectionCallback); - ble.gap().onDisconnection(BleDisconnectionCallback); - ble.gattServer().onDataWritten(BleOnDataWrittenCallback); + ble.gap().onDisconnection(disconnectionCallback); + ble.gattServer().onDataWritten(onDataWrittenCallback); - DEBUG("BLE UARTService: "); - /* Setup primary service. */ - UARTService uartService(ble); - uartServicePtr = &uartService; - DEBUG("Started\r\n"); + bool initialValueForLEDCharacteristic = true; + ledServicePtr = new LEDService(ble, initialValueForLEDCharacteristic); /* setup advertising */ ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); - ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); - ble.gap().setAdvertisingInterval(500); /* 500ms. */ + ble.gap().setAdvertisingInterval(1000); /* 1000ms. */ ble.gap().startAdvertising(); while (true) { @@ -128,11 +91,8 @@ int main(void) { - led1=0; - - uart1.baud(9600); - uart1.attach(uartRx,Serial::RxIrq); BLE &ble = BLE::Instance(); + ble.init(bleInitComplete); }