mirror of https://github.com/ARMmbed/mbed-os.git
				
				
				
			
		
			
				
	
	
		
			88 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
#include "mbed.h"
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#include "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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typedef struct {
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    float    voltage;   /* AD result of measured voltage */
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    float    current;   /* AD result of measured current */
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    uint32_t counter;   /* A counter value               */
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} mail_t;
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#define CREATE_VOLTAGE(COUNTER) (COUNTER * 0.1) * 33
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#define CREATE_CURRENT(COUNTER) (COUNTER * 0.1) * 11
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#define QUEUE_SIZE       16
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#define QUEUE_PUT_DELAY  100
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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_EFM32HG_STK3400)) && !defined(TOOLCHAIN_ARM_MICRO)
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    #define STACK_SIZE 512
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#elif (defined(TARGET_EFM32LG_STK3600) || defined(TARGET_EFM32WG_STK3800) || defined(TARGET_EFM32PG_STK3401)) && !defined(TOOLCHAIN_ARM_MICRO)
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    #define STACK_SIZE 768
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#elif (defined(TARGET_EFM32GG_STK3700)) && !defined(TOOLCHAIN_ARM_MICRO)
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    #define STACK_SIZE 1536
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#elif defined(TARGET_MCU_NRF51822)
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    #define STACK_SIZE 768
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#elif (defined(TARGET_STM32F070RB) || defined(TARGET_STM32F072RB))
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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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Mail<mail_t, QUEUE_SIZE> mail_box;
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void send_thread (void const *argument) {
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    static uint32_t i = 10;
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    while (true) {
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        i++; // fake data update
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        mail_t *mail = mail_box.alloc();
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        mail->voltage = CREATE_VOLTAGE(i);
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        mail->current = CREATE_CURRENT(i);
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        mail->counter = i;
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        mail_box.put(mail);
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        Thread::wait(QUEUE_PUT_DELAY);
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    }
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}
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int main (void) {
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    MBED_HOSTTEST_TIMEOUT(20);
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    MBED_HOSTTEST_SELECT(default_auto);
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    MBED_HOSTTEST_DESCRIPTION(Mail messaging);
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    MBED_HOSTTEST_START("RTOS_6");
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    Thread thread(send_thread, NULL, osPriorityNormal, STACK_SIZE);
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    bool result = true;
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    int result_counter = 0;
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    while (true) {
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        osEvent evt = mail_box.get();
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        if (evt.status == osEventMail) {
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            mail_t *mail = (mail_t*)evt.value.p;
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            const float expected_voltage = CREATE_VOLTAGE(mail->counter);
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            const float expected_current = CREATE_CURRENT(mail->counter);
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            // Check using macros if received values correspond to values sent via queue
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            bool expected_values = (expected_voltage == mail->voltage) &&
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                                   (expected_current == mail->current);
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            result = result && expected_values;
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            const char *result_msg = expected_values ? "OK" : "FAIL";
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            printf("%3d %.2fV %.2fA ... [%s]\r\n", mail->counter,
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                                                   mail->voltage,
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                                                   mail->current,
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                                                   result_msg);
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            mail_box.free(mail);
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            if (result == false || ++result_counter == QUEUE_SIZE) {
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                break;
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            }
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        }
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    }
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    MBED_HOSTTEST_RESULT(result);
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    return 0;
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}
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