Fix for DES mutex return code. Fix TLS bench thread shutdown. README.md updates.

IDE/OPENSTM32/README.md

@@ -1,4 +1,4 @@
-# wolfSSL STM32 Example for Open STM32 Tools System Workbench
+# wolfSSL STM32 Example for System Workbench for STM32 (Open STM32 Tools)
 
 This example includes:
 
@@ -23,7 +23,9 @@ These examples use the CubeMX Hal for STM32. If you'd like to use the older Stan
 6. Adjust the micro-controller define in `Project Settings -> C/C++ General -> Paths and Symbols -> Symbols -> GNU C`. Example uses `STM32F437xx`, but should be changed to reflect your micro-controller type.
 7. Build and Run
 
-Note: You may need to manually copy over the CubeMX HAL files for `stm32f4xx_hal_cryp.c`, `stm32f4xx_hal_cryp_ex.c`, `stm32f4xx_hal_cryp.h`, `stm32f4xx_hal_cryp_ex.h`. Also uncomment the `#define HAL_CRYP_MODULE_ENABLED` line in `stm32f4xx_hal_conf.h`.
+If you hardware support crypto acceleration then:
+1. Manually copy over the CubeMX HAL files for `stm32f4xx_hal_cryp.c`, `stm32f4xx_hal_cryp_ex.c`, `stm32f4xx_hal_cryp.h`, `stm32f4xx_hal_cryp_ex.h`.
+2. Uncomment the `#define HAL_CRYP_MODULE_ENABLED` line in `stm32f4xx_hal_conf.h`.
 
 ## Configuration
 
@@ -34,7 +36,22 @@ The settings for the wolfSTM32 project are located in `<wolfssl-root>/IDE/OPENST
 * To enable STM32F7 support define `WOLFSSL_STM32F7`.
 * To enable STM32L4 support define `WOLFSSL_STM32L4`.
 
-If you are using FreeRTOS make sure your `FreeRTOSConfig.h` has its `configTOTAL_HEAP_SIZE` increased. The TLS client/server benchmark example requires about 76 KB for allocated tasks (with stack) and peak heap.
+If you are using FreeRTOS make sure your `FreeRTOSConfig.h` has its `configTOTAL_HEAP_SIZE` increased.
+
+The TLS client/server benchmark example requires about 76 KB for allocated tasks (with stack) and peak heap.
+
+## Example Output
+
+```
+....MENU
+
+.t. WolfCrypt Test
+.b. WolfCrypt Benchmark
+.l. WolfSSL TLS Bench
+.e. Show Cipher List
+
+Please select one of the above options:
+```
 
 ## Support
 

IDE/OPENSTM32/Src/wolfssl_example.c

@@ -872,8 +872,10 @@ static void client_thread(const void* args)
         	osSignalSet(info->server.threadId, 1);
         info->client.ret = ret;
         info->client.done = 1;
-
         osThreadSuspend(NULL);
+
+        if (info->doShutdown)
+            info->client.done = 1;
     } while (!info->doShutdown);
 
     osThreadTerminate(info->client.threadId);
@@ -1104,8 +1106,10 @@ static void server_thread(const void* args)
             osSignalSet(info->client.threadId, 1);
         info->server.ret = ret;
         info->server.done = 1;
-
         osThreadSuspend(NULL);
+
+        if (info->doShutdown)
+            info->server.done = 1;
     } while (!info->doShutdown);
 
     osThreadTerminate(info->server.threadId);
@@ -1308,6 +1312,7 @@ void wolfCryptDemo(const void* argument)
 		case 't':
 			printf("Running wolfCrypt Tests...\n");
         #ifndef NO_CRYPT_TEST
+			args.return_code = 0;
 			wolfcrypt_test(&args);
         #endif
 			printf("Crypt Test: Return code %d\n", args.return_code);
@@ -1316,6 +1321,7 @@ void wolfCryptDemo(const void* argument)
 		case 'b':
 			printf("Running wolfCrypt Benchmarks...\n");
         #ifndef NO_CRYPT_BENCHMARK
+			args.return_code = 0;
 			benchmark_test(&args);
         #endif
 			printf("Benchmark Test: Return code %d\n", args.return_code);

wolfcrypt/src/des3.c

@@ -204,7 +204,7 @@
 
         ret = wolfSSL_CryptHwMutexLock();
         if (ret != 0) {
-            return ret;
+            return;
         }
 
     #ifdef WOLFSSL_STM32_CUBEMX