mirror of https://github.com/ARMmbed/mbed-os.git
58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
#include "mbed.h"
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#include "greentea-client/test_env.h"
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#include "rtos.h"
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#if defined(MBED_RTOS_SINGLE_THREAD)
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#error [NOT_SUPPORTED] test not supported
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#endif
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#define SIGNAL_SET_VALUE 0x01
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const int SIGNALS_TO_EMIT = 100;
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const int SIGNAL_HANDLE_DELEY = 25;
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/*
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* The stack size is defined in cmsis_os.h mainly dependent on the underlying toolchain and
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* the C standard library. For GCC, ARM_STD and IAR it is defined with a size of 2048 bytes
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* and for ARM_MICRO 512. Because of reduce RAM size some targets need a reduced stacksize.
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*/
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#if defined(TARGET_STM32L053R8) || defined(TARGET_STM32L053C8)
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#define STACK_SIZE DEFAULT_STACK_SIZE/4
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#elif (defined(TARGET_STM32F030R8)) && defined(TOOLCHAIN_IAR)
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#define STACK_SIZE DEFAULT_STACK_SIZE/2
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#else
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#define STACK_SIZE DEFAULT_STACK_SIZE
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#endif
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DigitalOut led(LED1);
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int signal_counter = 0;
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void led_thread(void const *argument) {
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while (true) {
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// Signal flags that are reported as event are automatically cleared.
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Thread::signal_wait(SIGNAL_SET_VALUE);
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led = !led;
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signal_counter++;
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}
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}
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int main (void) {
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GREENTEA_SETUP(20, "default_auto");
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Thread thread(led_thread, NULL, osPriorityNormal, STACK_SIZE);
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bool result = false;
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printf("Handling %d signals...\r\n", SIGNALS_TO_EMIT);
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while (true) {
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Thread::wait(2 * SIGNAL_HANDLE_DELEY);
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thread.signal_set(SIGNAL_SET_VALUE);
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if (signal_counter == SIGNALS_TO_EMIT) {
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printf("Handled %d signals\r\n", signal_counter);
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result = true;
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break;
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}
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}
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GREENTEA_TESTSUITE_RESULT(result);
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return 0;
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}
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