Delta
BLE HID Keyboard example for Delta BLE platform
Fork of
BLE_HeartRate_DELTA
by 
Delta
This example demonstrates the HID over GATT profile for keyboard.
1. Running this application on Delta BLE platform 2. To connect and pair with device named "HID_Keyboard" in your mobile (iOS/Android) Settings>Bluetooth page 3. Open a text editing application on your mobile phone 4. On the PC, open the terminal tool (Putty or TeraTerm) and choose the correct COM/BaudRate 5. Enter any character from your PC, and it will be displayed in your mobile phone
Diff: main.cpp
- Revision:
- 2:9f46fa6237dd
- Parent:
- 1:8bca989a70be
--- a/main.cpp Tue Feb 07 02:51:56 2017 +0000
+++ b/main.cpp Mon Mar 27 09:58:38 2017 +0000
@@ -21,17 +21,28 @@
#include "HIDService.h"
//DigitalOut led1(LED1);
-Serial uart(USBTX, USBRX);
+Serial uart(USBTX, USBRX, 115200);
+BLE deltaBLE;
HIDService *hidService;
unsigned char keyData;
const static char DEVICE_NAME[] = "HID_Keyboard";
static const uint16_t uuid16_list[] = {GattService::UUID_HUMAN_INTERFACE_DEVICE_SERVICE,
+ GattService::UUID_BATTERY_SERVICE,
GattService::UUID_DEVICE_INFORMATION_SERVICE};
static volatile bool triggerSensorPolling = false;
bool isConnectionSecured = false;
+bool isSecuritySetup = false;
+static uint8_t key_press_scan_buff[50];
+static uint8_t modifyKey[50];
+char msg[25] = "";
+int index_b = 0;
+int index_w = 0;
+unsigned char uart_buf[64];
+unsigned int i = 0;
DeviceInformationService *deviceInfo;
+BatteryService *batteryService;
void passkeyDisplayCallback(Gap::Handle_t handle, const SecurityManager::Passkey_t passkey)
{
@@ -41,12 +52,18 @@
}
uart.printf("\r\n");
}
+
+void securitySetupInitiatedCallback(Gap::Handle_t, bool allowBonding, bool requireMITM, SecurityManager::SecurityIOCapabilities_t iocaps)
+{
+ uart.printf("securitySetupInitiatedCallback\r\n");
+ isSecuritySetup = true;
+}
void securitySetupCompletedCallback(Gap::Handle_t handle, SecurityManager::SecurityCompletionStatus_t status)
{
if (status == SecurityManager::SEC_STATUS_SUCCESS) {
uart.printf("Security success\r\n", status);
- isConnectionSecured = true;
+ //isConnectionSecured = true;
} else {
uart.printf("Security failed\r\n", status);
}
@@ -55,7 +72,15 @@
void linkSecuredCallback(Gap::Handle_t handle, SecurityManager::SecurityMode_t securityMode)
{
uart.printf("linkSecuredCallback\r\n");
+ if (!isSecuritySetup) {
+ isConnectionSecured = true;
+ }
+}
+
+void securityContextStoredCallback(Gap::Handle_t handle) {
+ uart.printf("securityContextStoredCallback\r\n");
isConnectionSecured = true;
+ isSecuritySetup = false;
}
void onConnectionCallback(const Gap::ConnectionCallbackParams_t *params)
@@ -67,7 +92,7 @@
{
uart.printf("Disconnected\r\n");
isConnectionSecured = false;
- BLE::Instance(BLE::DEFAULT_INSTANCE).gap().startAdvertising(); // restart advertising
+ deltaBLE.gap().startAdvertising(); // restart advertising
}
void onTimeoutCallback(Gap::TimeoutSource_t source)
@@ -94,77 +119,18 @@
/* Note that the periodicCallback() executes in interrupt context, so it is safer to do
* heavy-weight sensor polling from the main thread. */
- triggerSensorPolling = true;
+ //triggerSensorPolling = true;
}
-void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
-{
- BLE &ble = params->ble;
- ble_error_t error = params->error;
-
- if (error != BLE_ERROR_NONE) {
- return;
- }
-
- bool enableBonding = true;
- bool requireMITM = false;
-
- //const uint8_t passkeyValue[6] = {0x00,0x00,0x00,0x00,0x00,0x00};
- ble.securityManager().init(enableBonding, requireMITM, SecurityManager::IO_CAPS_NONE);
- ble.securityManager().onPasskeyDisplay(passkeyDisplayCallback);
- ble.securityManager().onSecuritySetupCompleted(securitySetupCompletedCallback);
- ble.securityManager().onLinkSecured(linkSecuredCallback);
- ble.gap().onDisconnection(disconnectionCallback);
- ble.gap().onConnection(onConnectionCallback);
- ble.gap().onTimeout(onTimeoutCallback);
- //ble.gattServer().onDataRead(onDataReadCallback);
-
- /* Setup primary service. */
- hidService = new HIDService(ble);
-
- /* Setup auxiliary service. */
- deviceInfo = new DeviceInformationService(ble, "DELTA", "NQ620", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
-
- /* Setup advertising. */
- ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
- ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
- ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::KEYBOARD);
- ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
- ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
- ble.gap().setAdvertisingInterval(50); /* 50ms */
- ble.gap().startAdvertising();
- uart.printf("Start advertising\r\n");
-}
-
-static uint8_t key_press_scan_buff[50];
-static uint8_t modifyKey[50];
-char msg[25] = "";
-int index_b = 0;
-int index_w = 0;
-
-int main(void)
-{
- //led1 = 1;
- // Ticker ticker;
-// ticker.attach(periodicCallback, 0.1); // blink LED every second
-
- uart.baud(115200);
- uart.printf("Srarting HID Service\r\n");
-
- BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE);
- ble.init(bleInitComplete);
-
- /* SpinWait for initialization to complete. This is necessary because the
- * BLE object is used in the main loop below. */
- while (ble.hasInitialized() == false) { /* spin loop */ }
-
- // infinite loop
- while (1) {
+void CLI_execute() {
+// if (i>=2)
+// if (uart_buf[i-2] == 0x0D && uart_buf[i-1] == 0x0A){//detecting CR LF
+ if (uart.readable()) return;//retrun if it is not the end of packet
+
if (isConnectionSecured) {
- if (uart.readable() == 1) {
- keyData = uart.getc();
- uart.putc(keyData);
- msg[index_w++] = keyData;
+ for (int j=0; j<i; j++) {
+ keyData = uart_buf[j];
+
if(keyData <= 0x39 && keyData >= 0x30){ //number
if(keyData == 0x30){
modifyKey[index_b] = 0x00;
@@ -192,31 +158,110 @@
key_press_scan_buff[index_b] = 0x2c;
index_b++;
key_press_scan_buff[index_b] = 0x73;
+ } else if (keyData == 0x08) { //backspace
+ modifyKey[index_b] = 0x00;
+ key_press_scan_buff[index_b] = 0x2a;
+ index_b++;
+ key_press_scan_buff[index_b] = 0x73;
+ } else if (keyData == 0x0d) { //return
+ modifyKey[index_b] = 0x00;
+ key_press_scan_buff[index_b] = 0x28;
+ index_b++;
+ key_press_scan_buff[index_b] = 0x73;
} else {
modifyKey[index_b] = 0x00;
//key_press_scan_buff[index_b] = 0x73; //this is dummy data.
//msg[index_w+1] = '\0';
}
index_b++;
- if(keyData == 0x0a && ble.getGapState().connected){
- for(int i = 0; i < index_b ; i++){
- uart.printf("m[%x] k[%x] ", modifyKey[i], key_press_scan_buff[i]);
- hidService->updateReport(modifyKey[i], key_press_scan_buff[i]);
- ble.waitForEvent();
- wait(0.03);
- }
+ }
+
+ i=0;
- index_b = 0;
- index_w = 0;
- memset(modifyKey, 0, 50);
- memset(msg, 0, 25);
- memset(key_press_scan_buff, 0, 50);
- }
+ for(int i = 0; i < index_b ; i++){
+ uart.printf("m[%x] k[%x] ", modifyKey[i], key_press_scan_buff[i]);
+ hidService->updateReport(modifyKey[i], key_press_scan_buff[i]);
+ //BLE::Instance(BLE::DEFAULT_INSTANCE).waitForEvent();
+ //wait(0.03);
}
- } else {
- ble.waitForEvent(); // low power wait for event
- wait(1);
+
+ index_b = 0;
+ index_w = 0;
+ memset(modifyKey, 0, 50);
+ memset(msg, 0, 25);
+ memset(key_press_scan_buff, 0, 50);
+
}
+// }
+}
+
+void uart_interrupt() {
+ uart.printf("uart_interrupt\r\n");
+ uart_buf[i++] = uart.getc();
+ CLI_execute();
+}
+
+void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
+{
+ BLE &ble = params->ble;
+ ble_error_t error = params->error;
+
+ if (error != BLE_ERROR_NONE) {
+ return;
+ }
+
+ bool enableBonding = true;
+ bool requireMITM = false;
+
+ //uint8_t pKey[6] = {'1', '1', '1', '1', '1', '1'}; //set the passkey
+ ble.securityManager().init(enableBonding, requireMITM, SecurityManager::IO_CAPS_NONE);
+ ble.securityManager().onPasskeyDisplay(passkeyDisplayCallback);
+ ble.securityManager().onSecuritySetupInitiated(securitySetupInitiatedCallback);
+ ble.securityManager().onSecuritySetupCompleted(securitySetupCompletedCallback);
+ ble.securityManager().onLinkSecured(linkSecuredCallback);
+ ble.securityManager().onSecurityContextStored(securityContextStoredCallback);
+ ble.gap().onDisconnection(disconnectionCallback);
+ ble.gap().onConnection(onConnectionCallback);
+ ble.gap().onTimeout(onTimeoutCallback);
+ //ble.gattServer().onDataRead(onDataReadCallback);
+
+ /* Setup primary service. */
+ hidService = new HIDService(ble);
+
+ /* Setup auxiliary service. */
+ batteryService = new BatteryService(ble, 100);
+ deviceInfo = new DeviceInformationService(ble, "DELTA", "NQ620", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
+
+ /* Setup advertising. */
+ ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
+ ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
+ ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::KEYBOARD);
+ ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
+ ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+ ble.gap().setAdvertisingInterval(50); /* 50ms */
+ ble.gap().startAdvertising();
+ uart.printf("Start advertising\r\n");
+}
+
+int main(void)
+{
+ //led1 = 1;
+ //Ticker ticker;
+ //ticker.attach(periodicCallback, 1); // blink LED every second
+
+ uart.attach(&uart_interrupt);
+ uart.printf("Srarting HID Service\r\n");
+
+ BLE &deltaBLE = BLE::Instance(BLE::DEFAULT_INSTANCE);
+ deltaBLE.init(bleInitComplete);
+
+ /* SpinWait for initialization to complete. This is necessary because the
+ * BLE object is used in the main loop below. */
+ while (deltaBLE.hasInitialized() == false) { /* spin loop */ }
+
+ // infinite loop
+ while (1) {
+ deltaBLE.waitForEvent();
}
}