mirror of https://github.com/ARMmbed/mbed-os.git
51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
#include "mbed.h"
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#include "test_env.h"
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#if defined(TARGET_LPC1549)
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CAN can1(D9, D8);
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#elif defined(TARGET_LPC1768) || defined(TARGET_LPC4088)
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CAN can1(p9, p10);
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#endif
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#define TEST_ITERATIONS 127
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int main() {
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MBED_HOSTTEST_TIMEOUT(20);
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MBED_HOSTTEST_SELECT(dev_null);
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MBED_HOSTTEST_DESCRIPTION(CAN Loopback);
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MBED_HOSTTEST_START("MBED_A27");
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can1.mode(CAN::Reset);
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if (!can1.mode(CAN::LocalTest)) {
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printf("Mode change failed\n");
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}
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char success_count = 0;
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for (char i=0; i < TEST_ITERATIONS; i++) {
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unsigned int id = 1337;
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CANMessage tx_msg(id, &i, sizeof(i));
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bool sent = false;
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if (can1.write(tx_msg)) {
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printf("Sent %u: %d\n", id, i);
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sent = true;
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}
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wait_ms(50);
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bool read = false;
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CANMessage rx_msg;
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if (can1.read(rx_msg)) {
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printf("Read %u: %d\n", rx_msg.id, rx_msg.data[0]);
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read = (rx_msg.id == id) && (rx_msg.data[0] == i);
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}
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bool success = sent && read;
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if (success) {
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success_count++;
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}
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}
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MBED_HOSTTEST_RESULT(success_count == TEST_ITERATIONS);
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}
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