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collect data about characteristics

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This commit is contained in:
Matthias Ringwald 2015-04-28 21:04:26 +02:00
parent 16bc8fbe85
commit e02c7f3ec2
1 changed files with 25 additions and 25 deletions
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50
platforms/arduino/examples/LECentral/LECentral.ino
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@ -2,8 +2,13 @@
#include <BTstack.h>
#include <SPI.h>
// BLE Shield Service V2 incl. used Characteristics
UUID bleShieldServiceV2UUID("B8E06067-62AD-41BA-9231-206AE80AB550");
//
typedef struct characteristic_summary {
UUID uuid;
const char * name;
bool found;
BLECharacteristic characteristic;
} characteristic_summary_t;
typedef enum characteristicIDs {
charRX = 0,
@ -13,22 +18,15 @@ typedef enum characteristicIDs {
numCharacteristics /* last one */
} characteristicIDs_t;
UUID characteristicUUIDs[] = {
UUID("f897177b-aee8-4767-8ecc-cc694fd5fcee"),
UUID("bf45e40a-de2a-4bc8-bba0-e5d6065f1b4b"),
UUID("2fbc0f31-726a-4014-b9fe-c8be0652e982"),
UUID("65c228da-bad1-4f41-b55f-3d177f4e2196"),
characteristic_summary characteristics[] = {
{ UUID("f897177b-aee8-4767-8ecc-cc694fd5fcee"), "RX" },
{ UUID("bf45e40a-de2a-4bc8-bba0-e5d6065f1b4b"), "TX" },
{ UUID("2fbc0f31-726a-4014-b9fe-c8be0652e982"), "Baudrate" },
{ UUID("65c228da-bad1-4f41-b55f-3d177f4e2196"), "BD ADDR" }
};
const char * characteristicNames[] = {
"RX",
"TX",
"Baudrate",
"BD ADDR"
};
bool characteristicFound[numCharacteristics];
BLECharacteristic characteristics[numCharacteristics];
// BLE Shield Service V2 incl. used Characteristics
UUID bleShieldServiceV2UUID("B8E06067-62AD-41BA-9231-206AE80AB550");
// Application state
BLEDevice myBLEDevice;
@ -39,6 +37,8 @@ bool sendCounter = false;
int counter = 0;
char counterString[20];
static timer_source_t heartbeat;
// setup printf
static FILE uartout = {0} ;
static int uart_putchar (char c, FILE *stream) {
@ -77,7 +77,7 @@ void loop() {
// send counter as fast as possible
if (sendCounter){
sprintf(counterString, "BTstack %u\n", counter);
int result = myBLEDevice.writeCharacteristicWithoutResponse(&characteristics[charTX], (uint8_t*) counterString, strlen(counterString) );
int result = myBLEDevice.writeCharacteristicWithoutResponse(&characteristics[charTX].characteristic, (uint8_t*) counterString, strlen(counterString) );
if (result == BLE_PERIPHERAL_OK){
printf("Wrote without response: %s\n", counterString);
counter++;
@ -146,18 +146,18 @@ void gattCharacteristicDiscovered(BLEStatus status, BLEDevice *device, BLECharac
printf("Characteristic Discovered: %s, handle 0x%04x\n", characteristic->getUUID()->getUuidString(), characteristic->getCharacteristic()->value_handle);
int i;
for (i=0;i<numCharacteristics;i++){
if (characteristic->matches(&characteristicUUIDs[i])){
printf("\nCharacteristic '%s' found!\n", characteristicNames[i]);
characteristicFound[i] = 1;
characteristics[i] = *characteristic;
if (characteristic->matches(&characteristics[i].uuid)){
printf("\nCharacteristic '%s' found!\n", characteristics[i].name);
characteristics[i].found = 1;
characteristics[i].characteristic = *characteristic;
break;
}
}
break;
case BLE_STATUS_DONE:
printf("Characteristic discovery finished, status %u.\n", status);
if (characteristicFound[charRX]) {
device->subscribeForNotifications(&characteristics[charRX]);
if (characteristics[charRX].found) {
device->subscribeForNotifications(&characteristics[charRX].characteristic);
}
break;
default:
@ -167,12 +167,12 @@ void gattCharacteristicDiscovered(BLEStatus status, BLEDevice *device, BLECharac
}
void gattSubscribedCallback(BLEStatus status, BLEDevice * device){
device->readCharacteristic(&characteristics[charBdAddr]);
device->readCharacteristic(&characteristics[charBdAddr].characteristic);
}
void gattReadCallback(BLEStatus status, BLEDevice *device, uint8_t *value, uint16_t length) {
printf("Read callback: '%s'\n", (const char *)value);
device->writeCharacteristic(&characteristics[charTX], (uint8_t*) "Hello!", 6);
device->writeCharacteristic(&characteristics[charTX].characteristic, (uint8_t*) "Hello!", 6);
}
void gattWrittenCallback(BLEStatus status, BLEDevice *device){