update_ui_example.cpp

00001 // ----------------------------------------------------------------------------
00002 // Copyright 2016-2018 ARM Ltd.
00003 //
00004 // SPDX-License-Identifier: Apache-2.0
00005 //
00006 // Licensed under the Apache License, Version 2.0 (the "License");
00007 // you may not use this file except in compliance with the License.
00008 // You may obtain a copy of the License at
00009 //
00010 //     http://www.apache.org/licenses/LICENSE-2.0
00011 //
00012 // Unless required by applicable law or agreed to in writing, software
00013 // distributed under the License is distributed on an "AS IS" BASIS,
00014 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00015 // See the License for the specific language governing permissions and
00016 // limitations under the License.
00017 // ----------------------------------------------------------------------------
00018 
00019 #include "update_ui_example.h"
00020 
00021 #ifdef MBED_CLOUD_CLIENT_SUPPORT_UPDATE
00022 
00023 #include <stdio.h>
00024 #include <stdint.h>
00025 
00026 static MbedCloudClient* _client;
00027 
00028 #ifdef ARM_UPDATE_CLIENT_VERSION_VALUE
00029 #if ARM_UPDATE_CLIENT_VERSION_VALUE > 101000
00030 void update_ui_set_cloud_client(MbedCloudClient* client)
00031 {
00032     _client = client;
00033 }
00034 
00035 void update_authorize(int32_t request)
00036 {
00037     switch (request)
00038     {
00039         /* Cloud Client wishes to download new firmware. This can have a negative
00040            impact on the performance of the rest of the system.
00041 
00042            The user application is supposed to pause performance sensitive tasks
00043            before authorizing the download.
00044 
00045            Note: the authorization call can be postponed and called later.
00046            This doesn't affect the performance of the Cloud Client.
00047         */
00048         case MbedCloudClient::UpdateRequestDownload:
00049             printf("Firmware download requested\r\n");
00050             printf("Authorization granted\r\n");
00051             _client->update_authorize(MbedCloudClient::UpdateRequestDownload);
00052             break;
00053 
00054         /* Cloud Client wishes to reboot and apply the new firmware.
00055 
00056            The user application is supposed to save all current work before rebooting.
00057 
00058            Note: the authorization call can be postponed and called later.
00059            This doesn't affect the performance of the Cloud Client.
00060         */
00061         case MbedCloudClient::UpdateRequestInstall:
00062             printf("Firmware install requested\r\n");
00063             printf("Authorization granted\r\n");
00064             _client->update_authorize(MbedCloudClient::UpdateRequestInstall);
00065             break;
00066 
00067         default:
00068             printf("Error - unknown request\r\n");
00069             break;
00070     }
00071 }
00072 #endif
00073 #endif
00074 
00075 void update_progress(uint32_t progress, uint32_t total)
00076 {
00077     uint8_t percent = progress * 100 / total;
00078 
00079 /* only show progress bar if debug trace is disabled */
00080 #if (!defined(MBED_CONF_MBED_TRACE_ENABLE) || MBED_CONF_MBED_TRACE_ENABLE == 0) \
00081     && !ARM_UC_ALL_TRACE_ENABLE \
00082     && !ARM_UC_HUB_TRACE_ENABLE
00083 
00084     printf("\rDownloading: [");
00085     for (uint8_t index = 0; index < 50; index++)
00086     {
00087         if (index < percent / 2)
00088         {
00089             printf("+");
00090         }
00091         else if (index == percent / 2)
00092         {
00093             static uint8_t old_max = 0;
00094             static uint8_t counter = 0;
00095 
00096             if (index == old_max)
00097             {
00098                 counter++;
00099             }
00100             else
00101             {
00102                 old_max = index;
00103                 counter = 0;
00104             }
00105 
00106             switch (counter % 4)
00107             {
00108                 case 0:
00109                     printf("/");
00110                     break;
00111                 case 1:
00112                     printf("-");
00113                     break;
00114                 case 2:
00115                     printf("\\");
00116                     break;
00117                 case 3:
00118                 default:
00119                     printf("|");
00120                     break;
00121             }
00122         }
00123         else
00124         {
00125             printf(" ");
00126         }
00127     }
00128     printf("] %d %%", percent);
00129     fflush(stdout);
00130 #else
00131     printf("Downloading: %d %%\r\n", percent);
00132 #endif
00133 
00134     if (progress == total)
00135     {
00136         printf("\r\nDownload completed\r\n");
00137     }
00138 }
00139 
00140 #endif // MBED_CLOUD_CLIENT_SUPPORT_UPDATE