File content as of revision 0:b0fc0661c081:

#include "mbed.h"
#include "BLE.h"
#include "BatteryService.h"
#include "DeviceInformationService.h"
#include "HIDService.h"
 
BLEDevice  ble;
DigitalOut led01(LED1);
Serial uart(p25,p23);

unsigned char keyData;
bool is_input = false; 
static const char     DEVICE_NAME[]        = "HID_Keyboard";
static const uint16_t uuid16_list[]        = {GattService::UUID_HUMAN_INTERFACE_DEVICE_SERVICE};
static volatile bool  triggerSensorPolling = false;

void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
{
    ble.startAdvertising(); // restart advertising
}


static uint8_t key_press_scan_buff[30];
static uint8_t modifyKey[30];
int main(void)
{   uart.baud(9600);
    uart.printf("Starting HID Service\n");
    //uart.attach(&uart_rx);
    led01 = 1;
    ble.init();
    bool enableBonding = false;
    bool requireMITM   = false;
    ble.initializeSecurity(enableBonding, requireMITM);
    ble.onDisconnection(disconnectionCallback);
 
    /* Setup primary service. */
    HIDService hidService(ble);
    /* Setup auxiliary service. */
    DeviceInformationService deviceInfo(ble, "ARM", "CYNTEC", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
    /* Setup advertising. */
    ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
    ble.accumulateAdvertisingPayload(GapAdvertisingData::KEYBOARD);
    ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
    ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
    ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
    ble.setAdvertisingInterval(1000);
    ble.startAdvertising();
    uart.printf("Starting advertising\n");
    int index = 0;
    while (1) {
        if (uart.readable() == 1) {
            keyData = uart.getc();
            uart.putc(keyData);
            if(keyData <= 0x39 && keyData >= 0x30){             //number
                if(keyData == 0x30){
                    modifyKey[index] = 0x00;
                    key_press_scan_buff[index] = 0x27;
                    } else {
                    modifyKey[index] = 0x00;
                    key_press_scan_buff[index] = keyData-0x13;
                    }
                } else if(keyData <= 0x7a && keyData >= 0x61 ){ //lowercase letters
                    modifyKey[index] = 0x00;
                    key_press_scan_buff[index] = keyData-0x5d;
                } else if(keyData <= 0x5a && keyData >= 0x41){  //uppercase letters
                    modifyKey[index] = 0x02;
                    key_press_scan_buff[index] = keyData-0x3d;
                } else if (keyData == 0x20) {
                    modifyKey[index] = 0x00;
                    key_press_scan_buff[index] = 0x2c;
                } else {
                    modifyKey[index] = 0x00;
                    //key_press_scan_buff[index] = 0x28;
                    //key_press_scan_buff[index++] = 0x73;
                    key_press_scan_buff[index] = 0x73;
            }
            index++;
            if(keyData == 0x0a && ble.getGapState().connected){
                for(int i = 0; i < index; i++){
                //uart.putc(key_press_scan_buff[i]);
                hidService.updateReport(modifyKey[i], key_press_scan_buff[i]);
                wait(0.1);
                }
            index = 0;
            memset(modifyKey, 0, 30);
            memset(key_press_scan_buff, 0, 30);
            }
            
        }
    }
}