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Import of the watch repository from Pebble
This commit is contained in:
Matthieu Jeanson
Katharine Berry
commit
3b92768480
10334 changed files with 2564465 additions and 0 deletions
227
tests/fw/services/test_smartstrap_comms.c
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227
tests/fw/services/test_smartstrap_comms.c
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/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "clar.h"
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#include "services/normal/accessory/smartstrap_comms.h"
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#include "util/mbuf.h"
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#include <string.h>
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#include "stubs_freertos.h"
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#include "stubs_logging.h"
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#include "stubs_mutex.h"
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#include "stubs_passert.h"
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#include "stubs_serial.h"
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#include "fake_accessory.h"
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#include "fake_new_timer.h"
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#include "fake_smartstrap_profiles.h"
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#include "fake_smartstrap_state.h"
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#include "fake_system_task.h"
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// Fakes
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static struct {
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bool enabled;
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int after_bytes;
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} s_faked_bus_contention;
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bool accessory_bus_contention_detected(void) {
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return s_faked_bus_contention.enabled && (s_faked_bus_contention.after_bytes-- <= 0);
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}
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// Setup
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void test_smartstrap_comms__initialize(void) {
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smartstrap_comms_init();
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s_faked_bus_contention.enabled = false;
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}
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void test_smartstrap_comms__cleanup(void) {
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}
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// Helper functions
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static void prv_do_send(MBuf *write_mbuf, MBuf *read_mbuf, uint8_t *expect_data,
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int expect_length) {
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// send the data out the smartstrap port
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smartstrap_fsm_state_reset();
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smartstrap_state_lock();
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SmartstrapResult result = smartstrap_send(SmartstrapProfileRawData, write_mbuf, read_mbuf, 1000);
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smartstrap_state_unlock();
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cl_assert(result == SmartstrapResultOk);
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if (read_mbuf) {
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cl_assert(smartstrap_fsm_state_get() == SmartstrapStateReadInProgress);
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} else {
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cl_assert(smartstrap_fsm_state_get() == SmartstrapStateReadReady);
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}
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// verify the data that was sent out the accessory port
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uint8_t *buffer;
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int length;
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fake_accessory_get_buffer(&buffer, &length);
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cl_assert(length == expect_length);
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for (int i = 0; i < length; i++) {
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cl_assert(buffer[i] == expect_data[i]);
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}
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}
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static void prv_do_send_bus_contention(MBuf *write_mbuf, MBuf *read_mbuf, uint8_t *expect_data,
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int expect_length) {
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const int BUS_CONTENTION_AFTER = 5;
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// setup faked bus contention
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s_faked_bus_contention.enabled = true;
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s_faked_bus_contention.after_bytes = BUS_CONTENTION_AFTER;
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// send the data out the smartstrap port
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smartstrap_fsm_state_reset();
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smartstrap_state_lock();
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SmartstrapResult result = smartstrap_send(SmartstrapProfileRawData, write_mbuf, read_mbuf, 1000);
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smartstrap_state_unlock();
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cl_assert(result == SmartstrapResultBusy);
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cl_assert(smartstrap_fsm_state_get() == SmartstrapStateReadReady);
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// verify the data that was sent out the accessory port
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uint8_t *buffer;
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int length;
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fake_accessory_get_buffer(&buffer, &length);
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cl_assert(length == BUS_CONTENTION_AFTER + 1);
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for (int i = 0; i < length; i++) {
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cl_assert(buffer[i] == expect_data[i]);
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}
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}
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static void prv_do_read(uint8_t *data, int length, MBuf *read_mbuf, uint8_t *expect_data,
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int expect_length) {
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for (int i = 0; i < length; i++) {
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smartstrap_handle_data_from_isr(data[i]);
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}
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fake_system_task_callbacks_invoke_pending();
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fake_smartstrap_profiles_check_read_params(true, SmartstrapProfileRawData, expect_length);
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uint8_t *read_data = mbuf_get_data(read_mbuf);
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int read_length = mbuf_get_length(read_mbuf);
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cl_assert(read_length == expect_length);
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for (int i = 0; i < read_length; i++) {
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cl_assert(read_data[i] == expect_data[i]);
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}
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}
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static void prv_do_read_notify(uint8_t *data, int length) {
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for (int i = 0; i < length; i++) {
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smartstrap_handle_data_from_isr(data[i]);
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}
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fake_system_task_callbacks_invoke_pending();
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cl_assert(smartstrap_fsm_state_get() == SmartstrapStateReadReady);
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fake_smartstrap_profiles_check_notify_params(true, SmartstrapProfileRawData);
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}
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// Tests
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void test_smartstrap_comms__send_receive_data(void) {
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// write Mbuf
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MBuf write_mbuf = MBUF_EMPTY;
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uint8_t test_data[] = {0x00, 0x01};
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mbuf_set_data(&write_mbuf, test_data, sizeof(test_data));
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// read mbuf
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MBuf read_mbuf = MBUF_EMPTY;
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uint8_t read_data[sizeof(test_data)] = {0};
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mbuf_set_data(&read_mbuf, read_data, sizeof(read_data));
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// expected on-the-wire data for send
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uint8_t expected[] = {0x7E, 0x01, 0x03, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0xEF, 0x7E};
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// faked on-the-wire data for response
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uint8_t response_raw[] = {0x7E, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x43, 0x7E};
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// send the rquest
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prv_do_send(&write_mbuf, &read_mbuf, expected, sizeof(expected));
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// process the fake response
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prv_do_read(response_raw, sizeof(response_raw), &read_mbuf, test_data, sizeof(test_data));
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}
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void test_smartstrap_comms__send_receive_escaped_data(void) {
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// write Mbuf
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MBuf write_mbuf = MBUF_EMPTY;
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uint8_t test_data[] = {0x7D, 0x7E, 0x00, 0x7E, 0x7D, 0x00};
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mbuf_set_data(&write_mbuf, test_data, sizeof(test_data));
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// read MBuf
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MBuf read_mbuf = MBUF_EMPTY;
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uint8_t read_data[sizeof(test_data)] = {0};
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mbuf_set_data(&read_mbuf, read_data, sizeof(read_data));
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// expected on-the-wire data from send
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uint8_t send_raw[] = {0x7E, 0x01, 0x03, 0x00, 0x00, 0x00, 0x02, 0x00, 0x7D, 0x5D, 0x7D, 0x5E,
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0x00, 0x7D, 0x5E, 0x7D, 0x5D, 0x00, 0x59, 0x7E};
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// faked on-the-wire data for response
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uint8_t response_raw[] = {0x7E, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x7D, 0x5D, 0x7D, 0x5E,
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0x00, 0x7D, 0x5E, 0x7D, 0x5D, 0x00, 0xC5, 0x7E};
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// send the request
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prv_do_send(&write_mbuf, &read_mbuf, send_raw, sizeof(send_raw));
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// process the fake response
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prv_do_read(response_raw, sizeof(response_raw), &read_mbuf, test_data, sizeof(test_data));
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}
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void test_smartstrap_comms__send_data(void) {
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// write Mbuf
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MBuf write_mbuf = MBUF_EMPTY;
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uint8_t test_data[] = {0x01, 0x11};
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mbuf_set_data(&write_mbuf, test_data, sizeof(test_data));
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// expected on-the-wire data from send
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uint8_t send_raw[] = {0x7E, 0x01, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01, 0x11, 0xCC, 0x7E};
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// send the write
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prv_do_send(&write_mbuf, NULL, send_raw, sizeof(send_raw));
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}
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void test_smartstrap_comms__send_data_bus_contention(void) {
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// write Mbuf
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MBuf write_mbuf = MBUF_EMPTY;
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uint8_t test_data[] = {0x01, 0x11};
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mbuf_set_data(&write_mbuf, test_data, sizeof(test_data));
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// expected on-the-wire data from send
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uint8_t send_raw[] = {0x7E, 0x01, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01, 0x11, 0xCC, 0x7E};
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// send the write
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prv_do_send_bus_contention(&write_mbuf, NULL, send_raw, sizeof(send_raw));
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}
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void test_smartstrap_comms__send_receive_data_bus_contention(void) {
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// write Mbuf
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MBuf write_mbuf = MBUF_EMPTY;
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uint8_t test_data[] = {0x01, 0x11};
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mbuf_set_data(&write_mbuf, test_data, sizeof(test_data));
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// read MBuf
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MBuf read_mbuf = MBUF_EMPTY;
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uint8_t read_data[sizeof(test_data)] = {0};
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mbuf_set_data(&read_mbuf, read_data, sizeof(read_data));
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// expected on-the-wire data from send
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uint8_t send_raw[] = {0x7E, 0x01, 0x03, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01, 0x11, 0xA8, 0x7E};
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// send the write
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prv_do_send_bus_contention(&write_mbuf, &read_mbuf, send_raw, sizeof(send_raw));
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}
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void test_smartstrap_comms__notification(void) {
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// faked on-the-wire data for the context frame
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uint8_t notify_context_raw[] = {0x7E, 0x01, 0x04, 0x00, 0x00, 0x00, 0x02, 0x00, 0x76, 0x7E};
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// send a break character
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smartstrap_fsm_state_reset();
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smartstrap_handle_break_from_isr();
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fake_system_task_callbacks_invoke_pending();
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cl_assert(smartstrap_fsm_state_get() == SmartstrapStateNotifyInProgress);
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// process the fake context frame
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prv_do_read_notify(notify_context_raw, sizeof(notify_context_raw));
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}
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