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Dependencies: BLE_API mbed nRF51822
Fork of BLE_Central_Light_Demo_23 by
main.cpp
- Committer:
- hmiot
- Date:
- 2017-01-20
- Revision:
- 7:66586d2d7cb5
- Parent:
- 6:71e7a446ae6a
- Child:
- 8:285ebd0e83fb
File content as of revision 7:66586d2d7cb5:
/************************************************************************
* *
* *
************************************************************************/
#include "hm_config.h"
static const uint16_t UNIT_1_25_MS = 1250;
static const uint16_t UNIT_10_MS = 10000;
#define MSEC_TO_UNITS(TIME, RESOLUTION) (((TIME) * 1000) / (RESOLUTION))
#define MIN_CONNECTION_INTERVAL MSEC_TO_UNITS(7.5, UNIT_1_25_MS)
#define MAX_CONNECTION_INTERVAL MSEC_TO_UNITS(30, UNIT_1_25_MS)
#define SLAVE_LATENCY 4
#define SUPERVISION_TIMEOUT MSEC_TO_UNITS(6000, UNIT_10_MS)
typedef unsigned char byte_char;
DiscoveredCharacteristic lightCharacteristic;
static const Gap::ConnectionParams_t m_conn_params ={
(uint16_t)MIN_CONNECTION_INTERVAL,
(uint16_t)MAX_CONNECTION_INTERVAL,
(uint16_t)SLAVE_LATENCY,
(uint16_t)SUPERVISION_TIMEOUT
};
GapScanningParams m_scan_params;
Serial pc(USBTX, USBRX);
static ble_error_t error_status;
void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) {
uint8_t con_status =0;
// uint8_t i;
Gap::GapState_t con_state;
//0x51 for Magic light
//0x5A
if (params->peerAddr[0] != 0x51) { // 0x2F for red bear1.5 /* !ALERT! Alter this filter to suit your device. */
return;
}
pc.printf("adv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, isScanResponse %u, AdvertisementType %u\r\n",
params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0],
params->rssi, params->isScanResponse, params->type);
pc.printf("Data Length : %d\r\n",params->advertisingDataLen);
con_status = BLE::Instance().gap().connect(params->peerAddr, Gap::ADDR_TYPE_PUBLIC, NULL, NULL);
pc.printf("Connection Status : %d\r\n",con_status);
con_state = BLE::Instance().gap().getState();
pc.printf("Connection state : %d\r\n",con_state);
// }
BLE::Instance().gap().stopScan();
}
void serviceDiscoveryCallback(const DiscoveredService *service) {
pc.printf("Service Discovery Callback\r\n");
if (service->getUUID().shortOrLong() == UUID::UUID_TYPE_SHORT) {
pc.printf("S UUID-%x attrs[%u %u]\r\n", service->getUUID().getShortUUID(), service->getStartHandle(), service->getEndHandle());
} else {
pc.printf("S UUID-");
const uint8_t *longUUIDBytes = service->getUUID().getBaseUUID();
for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) {
printf("%02x", longUUIDBytes[i]);
}
pc.printf(" attrs[%u %u]\r\n", service->getStartHandle(), service->getEndHandle());
}
}
void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP) {
pc.printf(" C UUID-%x valueAttr[%u] props[%x]\r\n", characteristicP->getUUID().getShortUUID(), characteristicP->getValueHandle(), (uint8_t)characteristicP->getProperties().broadcast());
uint8_t write_data []={0x56,0xff,0x00,0x00,0x00,0xf0,0xaa};
if (characteristicP->getUUID().getShortUUID() == 0xffe9) { /* !ALERT! Alter this filter to suit your device. */
lightCharacteristic = *characteristicP;
pc.printf("Matched char UUID\r\n");
printf("Value Handle = %d\r\n",characteristicP->getDeclHandle());
printf("Value Handle = %d and data size : %d\r\n",characteristicP->getValueHandle(),sizeof(write_data));
lightCharacteristic.writeWoResponse(sizeof(write_data), write_data);
//error_status = characteristicP->write(sizeof(write_data), write_data);
printf("Write Status : %d\r\n",error_status);
}
}
void discoveryTerminationCallback(Gap::Handle_t connectionHandle) {
pc.printf("terminated SD for handle %u\r\n", connectionHandle);
}
void connectionCallback(const Gap::ConnectionCallbackParams_t *params) {
pc.printf("Connection Callback\n\r");
if (params->role == Gap::CENTRAL) {
pc.printf("Service and characterstics discovery callback\r\n");
BLE::Instance().gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback);
BLE::Instance().gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, 0xffe5, 0xffe9);
}
}
void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) {
pc.printf("disconnected\r\n");
}
/**
* Callback triggered when the ble initialization process has finished
*/
void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
{
BLE& ble = params->ble;
pc.printf("Ble Init\n\r");
/* Ensure that it is the default instance of BLE */
if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
return;
}
ble.gap().onConnection(connectionCallback);
ble.gap().onDisconnection(disconnectionCallback);
ble.gap().setScanParams(1000, 800);
ble.gap().startScan(advertisementCallback);
}
int main(void) {
pc.baud(9600);
wait(8.0);
pc.printf("Start\n\r");
BLE &ble = BLE::Instance();
ble.init(bleInitComplete);
while (true) {
ble.waitForEvent();
}
}
