mirror of https://github.com/ARMmbed/mbed-os.git
95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
// Interrupt table relocation test, based on the 'interrupt_in' test
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// It will test an interrupt pin before and after the interrupt table is relocated
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// Works only on LPC1768
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#include "test_env.h"
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#include "cmsis_nvic.h"
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#include "mbed_toolchain.h"
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#include <string.h>
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#if defined(TARGET_SAMR21G18A) || defined(TARGET_SAMD21J18A) || defined(TARGET_SAMD21G18A)
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#define PIN_IN (PB02)
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#define PIN_OUT (PB03)
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#define NUM_VECTORS (16+28)
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#elif defined(TARGET_SAML21J18A)
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#define PIN_IN (PB00)
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#define PIN_OUT (PB01)
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#define NUM_VECTORS (16+29)
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#elif defined(TARGET_SAMG55J19)
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#define PIN_IN (PA17)
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#define PIN_OUT (PA18)
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#define NUM_VECTORS (16+50)
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#else
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#define PIN_IN (p5)
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#define PIN_OUT (p25)
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#define NUM_VECTORS (16+33)
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#endif
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DigitalOut out(PIN_OUT);
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DigitalOut myled(LED1);
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volatile int checks = 0;
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uint32_t int_table[NUM_VECTORS] MBED_ALIGN(256);
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#define FALLING_EDGE_COUNT 5
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void flipper() {
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for (int i = 0; i < FALLING_EDGE_COUNT; i++) {
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out = 1;
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wait(0.2);
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out = 0;
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wait(0.2);
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}
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}
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void in_handler() {
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checks++;
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myled = !myled;
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}
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static bool test_once() {
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InterruptIn in(PIN_IN);
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checks = 0;
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printf("Interrupt table location: 0x%08X\r\n", SCB->VTOR);
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in.rise(NULL);
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in.fall(in_handler);
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flipper();
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in.fall(NULL);
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bool result = (checks == FALLING_EDGE_COUNT);
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printf("Falling edge checks counted: %d ... [%s]\r\n", checks, result ? "OK" : "FAIL");
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return result;
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}
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int main() {
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MBED_HOSTTEST_TIMEOUT(15);
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MBED_HOSTTEST_SELECT(default_auto);
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MBED_HOSTTEST_DESCRIPTION(Interrupt vector relocation);
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MBED_HOSTTEST_START("MBED_A18");
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// First test, no table reallocation
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{
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printf("Starting first test (interrupts not relocated).\r\n");
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bool ret = test_once();
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if (ret == false) {
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MBED_HOSTTEST_RESULT(false);
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}
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}
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// Relocate interrupt table and test again
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{
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printf("Starting second test (interrupts relocated).\r\n");
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memcpy(int_table, (void*)SCB->VTOR, sizeof(int_table));
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SCB->VTOR = (uint32_t)int_table;
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bool ret = test_once();
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if (ret == false) {
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MBED_HOSTTEST_RESULT(false);
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}
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}
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MBED_HOSTTEST_RESULT(true);
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}
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