Greg Steiert / maxim_dev

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   sensomed

TESTS/mbedmicro-rtos-mbed/queue/main.cpp@0:0e018d759a2a, 2016-11-08 (annotated)

Committer:
switches
Date:
Tue Nov 08 18:27:11 2016 +0000
Revision:
0:0e018d759a2a
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
switches 0:0e018d759a2a 1 #include "mbed.h"
switches 0:0e018d759a2a 2 #include "greentea-client/test_env.h"
switches 0:0e018d759a2a 3 #include "rtos.h"
switches 0:0e018d759a2a 4
switches 0:0e018d759a2a 5 #if defined(MBED_RTOS_SINGLE_THREAD)
switches 0:0e018d759a2a 6 #error [NOT_SUPPORTED] test not supported
switches 0:0e018d759a2a 7 #endif
switches 0:0e018d759a2a 8
switches 0:0e018d759a2a 9 typedef struct {
switches 0:0e018d759a2a 10 float voltage; /* AD result of measured voltage */
switches 0:0e018d759a2a 11 float current; /* AD result of measured current */
switches 0:0e018d759a2a 12 uint32_t counter; /* A counter value */
switches 0:0e018d759a2a 13 } message_t;
switches 0:0e018d759a2a 14
switches 0:0e018d759a2a 15 #define CREATE_VOLTAGE(COUNTER) (COUNTER * 0.1) * 33
switches 0:0e018d759a2a 16 #define CREATE_CURRENT(COUNTER) (COUNTER * 0.1) * 11
switches 0:0e018d759a2a 17 #define QUEUE_SIZE 16
switches 0:0e018d759a2a 18 #define QUEUE_PUT_DELAY 100
switches 0:0e018d759a2a 19
switches 0:0e018d759a2a 20 /*
switches 0:0e018d759a2a 21 * The stack size is defined in cmsis_os.h mainly dependent on the underlying toolchain and
switches 0:0e018d759a2a 22 * the C standard library. For GCC, ARM_STD and IAR it is defined with a size of 2048 bytes
switches 0:0e018d759a2a 23 * and for ARM_MICRO 512. Because of reduce RAM size some targets need a reduced stacksize.
switches 0:0e018d759a2a 24 */
switches 0:0e018d759a2a 25 #if (defined(TARGET_EFM32HG_STK3400)) && !defined(TOOLCHAIN_ARM_MICRO)
switches 0:0e018d759a2a 26 #define STACK_SIZE 512
switches 0:0e018d759a2a 27 #elif (defined(TARGET_EFM32LG_STK3600) || defined(TARGET_EFM32WG_STK3800) || defined(TARGET_EFM32PG_STK3401)) && !defined(TOOLCHAIN_ARM_MICRO)
switches 0:0e018d759a2a 28 #define STACK_SIZE 768
switches 0:0e018d759a2a 29 #elif (defined(TARGET_EFM32GG_STK3700)) && !defined(TOOLCHAIN_ARM_MICRO)
switches 0:0e018d759a2a 30 #define STACK_SIZE 1536
switches 0:0e018d759a2a 31 #elif defined(TARGET_MCU_NRF51822) || defined(TARGET_MCU_NRF52832)
switches 0:0e018d759a2a 32 #define STACK_SIZE 768
switches 0:0e018d759a2a 33 #elif defined(TARGET_XDOT_L151CC)
switches 0:0e018d759a2a 34 #define STACK_SIZE 1024
switches 0:0e018d759a2a 35 #else
switches 0:0e018d759a2a 36 #define STACK_SIZE DEFAULT_STACK_SIZE
switches 0:0e018d759a2a 37 #endif
switches 0:0e018d759a2a 38
switches 0:0e018d759a2a 39 MemoryPool<message_t, QUEUE_SIZE> mpool;
switches 0:0e018d759a2a 40 Queue<message_t, QUEUE_SIZE> queue;
switches 0:0e018d759a2a 41
switches 0:0e018d759a2a 42 /* Send Thread */
switches 0:0e018d759a2a 43 void send_thread (void const *argument) {
switches 0:0e018d759a2a 44 static uint32_t i = 10;
switches 0:0e018d759a2a 45 while (true) {
switches 0:0e018d759a2a 46 i++; // Fake data update
switches 0:0e018d759a2a 47 message_t *message = mpool.alloc();
switches 0:0e018d759a2a 48 message->voltage = CREATE_VOLTAGE(i);
switches 0:0e018d759a2a 49 message->current = CREATE_CURRENT(i);
switches 0:0e018d759a2a 50 message->counter = i;
switches 0:0e018d759a2a 51 queue.put(message);
switches 0:0e018d759a2a 52 Thread::wait(QUEUE_PUT_DELAY);
switches 0:0e018d759a2a 53 }
switches 0:0e018d759a2a 54 }
switches 0:0e018d759a2a 55
switches 0:0e018d759a2a 56 int main (void) {
switches 0:0e018d759a2a 57 GREENTEA_SETUP(20, "default_auto");
switches 0:0e018d759a2a 58
switches 0:0e018d759a2a 59 Thread thread(send_thread, NULL, osPriorityNormal, STACK_SIZE);
switches 0:0e018d759a2a 60 bool result = true;
switches 0:0e018d759a2a 61 int result_counter = 0;
switches 0:0e018d759a2a 62
switches 0:0e018d759a2a 63 while (true) {
switches 0:0e018d759a2a 64 osEvent evt = queue.get();
switches 0:0e018d759a2a 65 if (evt.status == osEventMessage) {
switches 0:0e018d759a2a 66 message_t *message = (message_t*)evt.value.p;
switches 0:0e018d759a2a 67 const float expected_voltage = CREATE_VOLTAGE(message->counter);
switches 0:0e018d759a2a 68 const float expected_current = CREATE_CURRENT(message->counter);
switches 0:0e018d759a2a 69 // Check using macros if received values correspond to values sent via queue
switches 0:0e018d759a2a 70 bool expected_values = (expected_voltage == message->voltage) &&
switches 0:0e018d759a2a 71 (expected_current == message->current);
switches 0:0e018d759a2a 72 result = result && expected_values;
switches 0:0e018d759a2a 73 const char *result_msg = expected_values ? "OK" : "FAIL";
switches 0:0e018d759a2a 74 printf("%3d %.2fV %.2fA ... [%s]\r\n", message->counter,
switches 0:0e018d759a2a 75 message->voltage,
switches 0:0e018d759a2a 76 message->current,
switches 0:0e018d759a2a 77 result_msg);
switches 0:0e018d759a2a 78 mpool.free(message);
switches 0:0e018d759a2a 79 if (result == false || ++result_counter == QUEUE_SIZE) {
switches 0:0e018d759a2a 80 break;
switches 0:0e018d759a2a 81 }
switches 0:0e018d759a2a 82 }
switches 0:0e018d759a2a 83 }
switches 0:0e018d759a2a 84 GREENTEA_TESTSUITE_RESULT(result);
switches 0:0e018d759a2a 85 return 0;
switches 0:0e018d759a2a 86 }