mbed-os/features/unsupported/tests/mbed/can_loopback/main.cpp

77 lines
2.4 KiB
C++

#include "mbed.h"
#include "test_env.h"
#if !DEVICE_CAN
#error [NOT_SUPPORTED] CAN not supported
#endif
#if defined(TARGET_LPC1549)
CAN can1(D9, D8);
#elif defined(TARGET_LPC1768) || defined(TARGET_LPC4088)
CAN can1(p9, p10);
#elif defined(TARGET_B96B_F446VE)
CAN can1(PD_0, PD_1);
#elif defined(TARGET_VK_RZ_A1H)
CAN can1(P5_9, P5_10);
#elif defined(TARGET_NUCLEO_F091RC) || defined(TARGET_NUCLEO_F072RB) || \
defined(TARGET_NUCLEO_F042K6) || defined(TARGET_NUCLEO_F334R8) || \
defined(TARGET_NUCLEO_F303RE) || defined(TARGET_NUCLEO_F303K8) || \
defined(TARGET_NUCLEO_F302R8) || defined(TARGET_NUCLEO_F446RE) || \
defined(TARGET_DISCO_F429ZI) || \
defined(TARGET_NUCLEO_F746ZG) || defined(TARGET_DISCO_L476VG) || defined(TARGET_DISCO_L475VG_IOT01A) || \
defined(TARGET_NUCLEO_F412ZG) || defined(TARGET_DISCO_F413ZH) || \
defined(TARGET_NUCLEO_L476RG) || defined(TARGET_NUCLEO_L432KC) || \
defined(TARGET_NUCLEO_F413ZH)
CAN can1(PA_11, PA_12);
#elif defined(TARGET_DISCO_F469NI) || defined(TARGET_DISCO_F746NG) || \
defined(TARGET_NUCLEO_F446ZE) || defined(TARGET_NUCLEO_F103RB) || \
defined(TARGET_NUCLEO_F207ZG) || defined(TARGET_NUCLEO_F303ZE) || \
defined(TARGET_DISCO_F769NI) || defined(TARGET_NUCLEO_F767ZI) || \
defined(TARGET_DISCO_F303VC)
CAN can1(PB_8, PB_9);
#endif
#define TEST_ITERATIONS 127
int main() {
MBED_HOSTTEST_TIMEOUT(20);
MBED_HOSTTEST_SELECT(dev_null);
MBED_HOSTTEST_DESCRIPTION(CAN Loopback);
MBED_HOSTTEST_START("MBED_A27");
#if !defined(TARGET_VK_RZ_A1H)
can1.mode(CAN::Reset);
#endif
if (!can1.mode(CAN::LocalTest)) {
printf("Mode change failed\n");
}
char success_count = 0;
for (char i=0; i < TEST_ITERATIONS; i++) {
unsigned int id = 1337;
CANMessage tx_msg(id, &i, sizeof(i));
bool sent = false;
if (can1.write(tx_msg)) {
printf("Sent %u: %d\n", id, i);
sent = true;
}
wait_ms(50);
bool read = false;
CANMessage rx_msg;
if (can1.read(rx_msg)) {
printf("Read %u: %d\n", rx_msg.id, rx_msg.data[0]);
read = (rx_msg.id == id) && (rx_msg.data[0] == i);
}
bool success = sent && read;
if (success) {
success_count++;
}
}
MBED_HOSTTEST_RESULT(success_count == TEST_ITERATIONS);
}