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/*
* Copyright (c) 2006-2024, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-08-10 RV the first version
*/
#include <rtthread.h>
#include "utest.h"
#include <interrupt.h>
/**
* @brief Setting the Interrupt Priority Test.
*
* @note Without turning off interrupts, interrupts respond in the order in which they are triggered.
* With interrupts turned off, low and high priority interrupts are triggered sequentially,
* and when interrupts are turned on, high priority interrupts respond first.
*/
#define RES_VAL 0X0
#define SET_VAL 0XA
#define RT_SPI_1 1
#define RT_SPI_2 2
#define RT_SPI_PRI_HIGH 120
#define RT_SPI_PRI_LOW 140
static int mode = 0;
static int ipi_val[2] = {0, 0};
/* Software Interrupt 1 Service Functions */
static void rt_scheduler_ipi1_handler(int vector, void *param)
{
ipi_val[0] = SET_VAL;
if (mode == 0)
{
uassert_true(ipi_val[0] > ipi_val[1]);
}
else
{
ipi_val[0] = RES_VAL;
ipi_val[1] = RES_VAL;
}
}
/* Software Interrupt 2 Service Functions */
static void rt_scheduler_ipi2_handler(int vector, void *param)
{
ipi_val[1] = SET_VAL;
if (mode == 0)
{
ipi_val[0] = RES_VAL;
ipi_val[1] = RES_VAL;
}
else
{
uassert_true(ipi_val[0] < ipi_val[1]);
}
}
/* Interrupt priority testcases 1 */
static void int_pri1_tc(void)
{
mode = 0;
unsigned int pri1, pri2;
pri1 = rt_hw_interrupt_get_priority(RT_SPI_1);
pri2 = rt_hw_interrupt_get_priority(RT_SPI_2);
if (pri1 < pri2)
uassert_true(pri1 < pri2);
/* Trigger interrupt */
rt_hw_ipi_send(RT_SPI_1, 0x1);
rt_hw_ipi_send(RT_SPI_2, 0x1);
rt_thread_delay(5);
}
/* Interrupt priority testcases 2 */
static void int_pri2_tc(void)
{
mode = 1;
unsigned int pri1, pri2;
pri1 = rt_hw_interrupt_get_priority(RT_SPI_1);
pri2 = rt_hw_interrupt_get_priority(RT_SPI_2);
if (pri1 < pri2)
uassert_true(pri1 < pri2);
rt_base_t level = rt_hw_local_irq_disable();
/* Trigger interrupt */
rt_hw_ipi_send(RT_SPI_1, 0x1);
rt_hw_ipi_send(RT_SPI_2, 0x1);
rt_hw_local_irq_enable(level);
rt_thread_delay(5);
}
static rt_err_t utest_tc_init(void)
{
/* Setting the priority of software interrupts */
rt_hw_interrupt_set_priority(RT_SPI_1, RT_SPI_PRI_LOW);
rt_hw_interrupt_set_priority(RT_SPI_2, RT_SPI_PRI_HIGH);
/* Register software interrupt service functions */
rt_hw_ipi_handler_install(RT_SPI_1, rt_scheduler_ipi1_handler);
rt_hw_ipi_handler_install(RT_SPI_2, rt_scheduler_ipi2_handler);
return RT_EOK;
}
static rt_err_t utest_tc_cleanup(void)
{
return RT_EOK;
}
static void testcase(void)
{
UTEST_UNIT_RUN(int_pri1_tc);
UTEST_UNIT_RUN(int_pri2_tc);
}
UTEST_TC_EXPORT(testcase, "core.smp_interrupt_pri_tc", utest_tc_init, utest_tc_cleanup, 10);
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