int fn_print_loop_stack(_kforth_context *context)
{
int *p1;
for(p1=context->loop_stack; p1!=context->loop_stack_ptr; p1++)
{
platform_printf("%d ", *p1);
}
platform_printf("\r\n");
return 0;
}
int fn_print_top(_kforth_context *context)
{
if (context->stack==context->stack_ptr)
{
platform_printf("EOS\r\n");
}
else
{
platform_printf("%d ", context->stack_ptr[-1]);
context->stack_ptr--;
}
return 0;
}
int platform_mutex_unlock(Mutex* m)
{
if (!m)
{
platform_printf("%s: invalid mutex %p\n", __func__, m);
return -1;
}
wiced_result_t rc = wiced_rtos_unlock_mutex(&m->mutex);
if (rc != WICED_SUCCESS)
platform_printf("%s: FAILED to unlock %p: %d\n", __func__, &m->mutex, rc);
return 0;
}
int fn_read(_kforth_context *context)
{
platform_printf("Reading From 0x%08X\r\n", STACK(0));
STACK_POP();
STACK_PUSH(0);
return 0;
}
int platform_semaphore_post(Semaphore* s)
{
if (!s)
{
platform_printf("%s: invalid semaphore %p\n", __func__, s);
return -1;
}
wiced_result_t rc = wiced_rtos_set_semaphore(&s->sem);
if (rc != WICED_SUCCESS)
{
platform_printf("%s: FAILED to post semaphore %p: %d\n", __func__, &s->sem, rc);
return -1;
}
return 0;
}
void platform_network_securedinit(Network* n, const char* ca_buf, size_t ca_size)
{
if (!n || !ca_buf || !ca_size)
{
platform_printf("%s: bad args\n", __func__);
return;
}
wiced_result_t rc = wiced_tls_init_root_ca_certificates(ca_buf);
if (rc != WICED_SUCCESS)
{
platform_printf("%s: root CA certificate failed to initialize: %u\n", __func__, rc);
return;
}
n->tls_enabled = WICED_TRUE;
}
void platform_semaphore_deinit(Semaphore* s)
{
if (!s)
{
platform_printf("%s: invalid semaphore %p\n", __func__, s);
return;
}
wiced_rtos_deinit_semaphore(&s->sem);
}
void platform_mutex_deinit(Mutex* m)
{
if (!m)
{
platform_printf("%s: invalid mutex %p\n", __func__, m);
return;
}
wiced_rtos_deinit_mutex(&m->mutex);
}
int platform_network_write(Network* n, unsigned char* buffer, int length, int timeout)
{
wiced_result_t rc = wiced_tcp_stream_write(&n->stream, buffer, length);
if (rc != WICED_SUCCESS)
{
platform_printf("unable to write data to tcp stream, rc = %d\n", rc);
return -1;
}
rc = wiced_tcp_stream_flush(&n->stream);
if (rc != WICED_SUCCESS)
{
platform_printf("unable to flush tcp stream, rc = %d\n", rc);
return -1;
}
//platform_printf("%s: successfully sent %d bytes to tcp stream\n", __func__, length);
return length;
}
int platform_thread_join(Thread* t, int timeout_ms)
{
if (!t) return -1;
if (platform_semaphore_wait(&t->join_sem, timeout_ms) != 0)
{
platform_printf("%s: timeout waiting for join\n", __func__);
return -1;
}
return 0;
}
int platform_network_connect(Network* n, char* hostname, int port)
{
wiced_ip_address_t ip_address;
wiced_result_t rc = -1;
int attempt = 1;
do
{
platform_printf("trying to resolve hostname (attempt %d)\n", attempt);
if ((rc = wiced_hostname_lookup(hostname, &ip_address, 10000)) == WICED_SUCCESS)
{
platform_printf("hostname resolved\n");
break;
}
}
while (++attempt <= 5);
if (rc != WICED_SUCCESS)
{
platform_printf("failed to resolve ip address of %s, rc = %d\n", hostname, rc);
return rc;
}
if (n->tls_enabled)
wiced_tls_init_simple_context(&n->tls_context, hostname);
/* Create a TCP socket */
rc = wiced_tcp_create_socket(&n->socket, WICED_STA_INTERFACE);
if (rc != WICED_SUCCESS)
{
platform_printf("tcp socket creation failed, rc = %d\n", rc);
return rc;
}
if (n->tls_enabled)
wiced_tcp_enable_tls(&n->socket, &n->tls_context);
rc = wiced_tcp_connect(&n->socket, &ip_address, port, 5000);
if (rc != WICED_SUCCESS)
{
platform_printf("unable to establish connection to %s:%d, rc = %d\n", hostname, port, rc);
goto exit;
}
rc = wiced_tcp_stream_init(&n->stream, &n->socket);
if (rc != WICED_SUCCESS)
{
platform_printf("unable to init tcp stream, rc = %d\n", rc);
goto exit;
}
rc = WICED_SUCCESS;
exit:
if (rc != WICED_SUCCESS)
platform_network_disconnect(n);
return rc;
}
int fn_print_dictionary(_kforth_context *context)
{
char format_str[10];
_word_entry_const *entry;
_word_list_item *word_list;
int name_length;
int names_per_line;
int name_index;
int i;
// first calculate the max name length
name_length=0;
for(entry=(_word_entry_const*)context->dictionary; entry!=NULL; entry=(_word_entry_const*)entry->next)
{
i=platform_strlen(entry->name);
if (i>name_length)name_length=i;
}
// now calculate the max number of names to print per line
names_per_line=((platform_get_print_width())/(name_length+2)); // +2 for 2 spaces between names
platform_sprintf(format_str, "%%-%ds", name_length+2); // "%x-s"
platform_printf("Print Dictionary\r\n");
for(entry=(_word_entry_const*)context->dictionary, name_index=1; entry!=NULL; entry=(_word_entry_const*)entry->next, name_index++)
{
if ((name_index>0)&&((name_index%names_per_line)==0))
{
platform_printf("%s\r\n", entry->name);
}
else
{
platform_printf(format_str, entry->name);
}
}
platform_printf("\r\n\r\n");
return 0;
}
void log_callback(evrythng_log_level_t level, const char* fmt, va_list vl)
{
char msg[512];
unsigned n = vsnprintf(msg, sizeof msg, fmt, vl);
if (n >= sizeof msg)
msg[sizeof msg - 1] = '\0';
switch (level)
{
case EVRYTHNG_LOG_ERROR:
platform_printf("ERROR: ");
break;
case EVRYTHNG_LOG_WARNING:
platform_printf("WARNING: ");
break;
default:
case EVRYTHNG_LOG_DEBUG:
platform_printf("DEBUG: ");
break;
}
platform_printf("%s\n", msg);
}
int keepalive(MQTTClient* c)
{
int rc = MQTT_FAILURE;
if (c->keepAliveInterval == 0 || !c->isconnected)
{
rc = MQTT_SUCCESS;
goto exit;
}
//printf("%s: %d, ping time left: %d, tick count = %u\n", __func__, __LINE__, TimerLeftMS(&c->ping_timer), xTaskGetTickCount());
if (platform_timer_isexpired(&c->ping_timer))
{
if (!c->ping_outstanding)
{
Timer timer;
platform_timer_init(&timer);
platform_timer_countdown(&timer, 1000);
int len = MQTTSerialize_pingreq(c->buf, c->buf_size);
if (len > 0 && (rc = sendPacket(c, len, &timer)) == MQTT_SUCCESS) // send the ping packet
{
platform_timer_countdown(&c->pingresp_timer, c->command_timeout_ms);
c->ping_outstanding = 1;
platform_printf("sent ping request\n");
}
if (len > 0 && rc != MQTT_SUCCESS)
{
platform_printf("%s: %d failed to send ping request, rc = %d\n", __func__, __LINE__, rc);
}
}
}
exit:
return rc;
}
void RunAllTests()
{
platform_semaphore_init(&sub_sem);
CuString *output = CuStringNew();
CuSuite* suite = CuGetSuite();
CuSuiteRun(suite);
CuSuiteSummary(suite, output);
CuSuiteDetails(suite, output);
platform_printf("%s\n", output->buffer);
CuStringDelete(output);
CuSuiteDelete(suite);
platform_semaphore_deinit(&sub_sem);
}
int platform_semaphore_wait(Semaphore* s, int timeout_ms)
{
if (!s)
{
platform_printf("%s: invalid semaphore %p\n", __func__, s);
return -1;
}
wiced_result_t rc = wiced_rtos_get_semaphore(&s->sem, timeout_ms);
if (rc != WICED_SUCCESS)
{
//platform_printf("%s: FAILED to wait semaphore %p: %d\n", __func__, &s->sem, rc);
return -1;
}
return 0;
}
int platform_network_read(Network* n, unsigned char* buffer, int length, int timeout)
{
wiced_result_t rc = wiced_tcp_stream_read(&n->stream, buffer, length, timeout);
if (rc != WICED_SUCCESS)
{
if (rc == WICED_TIMEOUT)
{
return -1;
}
else
{
platform_printf("failed to read data from tcp stream, rc = %d\n", rc);
return 0;
}
}
//platform_printf("successfully read %d bytes from tcp stream\n", length);
return length;
}
int fn_print_dictionary_full(_kforth_context *context)
{
_word_entry_const *entry;
_word_list_item *word_list;
platform_printf("Print Dictionary\r\n");
platform_printf("dictionary at 0x%08X\r\n", (unsigned int)context->dictionary);
platform_printf("ADDRESS NEXT NAME WORD_FN WORD_LIST\r\n");
for(entry=(_word_entry_const*)context->dictionary; entry!=NULL; entry=(_word_entry_const*)entry->next)
{
platform_printf("%08X %08X %5s %08X ", (unsigned int)entry, (unsigned int)entry->next,entry->name, (unsigned int)entry->word_fn);
if (entry->word_list!=NULL)
{
for(word_list=(_word_list_item*)entry->word_list; word_list->type!=END_TYPE; word_list++)
{
platform_printf("%X:%08X ", word_list->type, (unsigned int)word_list->data);
}
}
platform_printf("\r\n");
}
return 0;
}
static void test_sub_callback(const char* str_json, size_t len)
{
char msg[len+1]; snprintf(msg, sizeof msg, "%s", str_json);
platform_printf("%s: %s\n\r", __func__, msg);
platform_semaphore_post(&sub_sem);
}
int fn_cr(_kforth_context *context)
{
platform_printf("\r\n");
return 0;
}
int cycle(MQTTClient* c, Timer* timer)
{
Timer t;
platform_timer_init(&t);
int len = 0, packet_type, rc = MQTT_SUCCESS;
// read the socket, see what work is due
if ((packet_type = readPacket(c, timer)) == MQTT_CONNECTION_LOST)
{
rc = MQTT_CONNECTION_LOST;
goto exit;
}
switch (packet_type)
{
case CONNACK:
case PUBACK:
case SUBACK:
break;
case PUBLISH:
{
MQTTString topicName;
MQTTMessage msg = {0};
int intQoS;
if (MQTTDeserialize_publish(&msg.dup, &intQoS, &msg.retained, &msg.id, &topicName,
(unsigned char**)&msg.payload, &msg.payloadlen, c->readbuf, c->readbuf_size) != 1)
goto exit;
msg.qos = (enum QoS)intQoS;
deliverMessage(c, &topicName, &msg);
if (msg.qos != QOS0)
{
if (msg.qos == QOS1)
len = MQTTSerialize_ack(c->buf, c->buf_size, PUBACK, 0, msg.id);
else if (msg.qos == QOS2)
len = MQTTSerialize_ack(c->buf, c->buf_size, PUBREC, 0, msg.id);
if (len <= 0)
rc = MQTT_FAILURE;
else
{
platform_timer_countdown(&t, c->command_timeout_ms);
rc = sendPacket(c, len, &t);
}
if (rc == MQTT_FAILURE)
goto exit; // there was a problem
}
break;
}
case PUBREC:
{
unsigned short mypacketid;
unsigned char dup, type;
platform_timer_countdown(&t, c->command_timeout_ms);
if (MQTTDeserialize_ack(&type, &dup, &mypacketid, c->readbuf, c->readbuf_size) != 1)
rc = MQTT_FAILURE;
else if ((len = MQTTSerialize_ack(c->buf, c->buf_size, PUBREL, 0, mypacketid)) <= 0)
rc = MQTT_FAILURE;
else if ((rc = sendPacket(c, len, &t)) != MQTT_SUCCESS) // send the PUBREL packet
rc = MQTT_FAILURE; // there was a problem
if (rc == MQTT_FAILURE)
goto exit; // there was a problem
break;
}
case PUBCOMP:
break;
case PINGRESP:
c->ping_outstanding = 0;
platform_printf("received ping response\n");
break;
}
keepalive(c);
if (c->ping_outstanding && platform_timer_isexpired(&c->pingresp_timer))
{
c->ping_outstanding = 0;
platform_printf("ping response was not received within keepalive timeout of %d\n",
c->keepAliveInterval);
rc = MQTT_CONNECTION_LOST;
}
exit:
if (rc == MQTT_SUCCESS)
rc = packet_type;
return rc;
}
int MQTTPublish(MQTTClient* c, const char* topicName, MQTTMessage* message)
{
int rc = MQTT_FAILURE;
Timer timer;
MQTTString topic = MQTTString_initializer;
topic.cstring = (char *)topicName;
int len = 0;
platform_mutex_lock(&c->mutex);
if (!c->isconnected)
goto exit;
platform_timer_init(&timer);
platform_timer_countdown(&timer, c->command_timeout_ms);
if (message->qos == QOS1 || message->qos == QOS2)
message->id = getNextPacketId(c);
len = MQTTSerialize_publish(c->buf, c->buf_size, 0, message->qos, message->retained, message->id,
topic, (unsigned char*)message->payload, message->payloadlen);
if (len <= 0)
goto exit;
if ((rc = sendPacket(c, len, &timer)) != MQTT_SUCCESS) // send the subscribe packet
{
goto exit; // there was a problem
}
if (message->qos == QOS1)
{
if (waitfor(c, PUBACK, &timer) == PUBACK)
{
unsigned short mypacketid;
unsigned char dup, type;
if (MQTTDeserialize_ack(&type, &dup, &mypacketid, c->readbuf, c->readbuf_size) != 1)
{
platform_printf("failed to deserialize ACK\n");
rc = MQTT_FAILURE;
}
}
else
{
rc = MQTT_CONNECTION_LOST;
}
}
else if (message->qos == QOS2)
{
if (waitfor(c, PUBCOMP, &timer) == PUBCOMP)
{
unsigned short mypacketid;
unsigned char dup, type;
if (MQTTDeserialize_ack(&type, &dup, &mypacketid, c->readbuf, c->readbuf_size) != 1)
rc = MQTT_FAILURE;
}
else
{
rc = MQTT_CONNECTION_LOST;
}
}
exit:
platform_mutex_unlock(&c->mutex);
return rc;
}
void on_connection_lost()
{
platform_printf("evt lib connection lost\n");
}
int fn_write(_kforth_context *context)
{
platform_printf("Writing 0x%X to 0x%08X\r\n", STACK(0), STACK(-1));
STACK_POP_X(2);
return 0;
}
void on_connection_restored()
{
platform_printf("evt lib connection restored\n");
}