OVMS3/OVMS.V3/main/console_async.cpp

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/*
; Project: Open Vehicle Monitor System
; Date: 14th March 2017
;
; Changes:
; 1.0 Initial release
;
; (C) 2011 Michael Stegen / Stegen Electronics
; (C) 2011-2017 Mark Webb-Johnson
; (C) 2011 Sonny Chen @ EPRO/DX
;
; Permission is hereby granted, free of charge, to any person obtaining a copy
; of this software and associated documentation files (the "Software"), to deal
; in the Software without restriction, including without limitation the rights
; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
; copies of the Software, and to permit persons to whom the Software is
; furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in
; all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
; THE SOFTWARE.
*/
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include "console_async.h"
#include "ovms_log.h"
static const char *TAG = "uart_events";
#define EX_UART_NUM UART_NUM_0
ConsoleAsync* ConsoleAsync::m_instance = NULL;
ConsoleAsync* ConsoleAsync::Instance()
{
if (!m_instance)
m_instance = new ConsoleAsync();
return m_instance;
}
ConsoleAsync::ConsoleAsync()
: TaskBase("OVMS Console", CONFIG_OVMS_SYS_COMMAND_STACK_SIZE, CONFIG_OVMS_SYS_COMMAND_PRIORITY)
{
m_monitoring = true;
#ifdef CONFIG_OVMS_DEV_SECUREASYNC
SetSecure(true); // Security Risk - Only for development
#endif
uart_config_t uart_config =
{
.baud_rate = 115200,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
.rx_flow_ctrl_thresh = 122,
.use_ref_tick = 0,
};
// Set UART parameters
uart_param_config(EX_UART_NUM, &uart_config);
// Install UART driver, and get the queue.
uart_driver_install(EX_UART_NUM, BUF_SIZE * 2, BUF_SIZE * 2,
CONFIG_OVMS_HW_ASYNC_QUEUE_SIZE, &m_queue, 0);
Instantiate();
}
ConsoleAsync::~ConsoleAsync()
{
}
void ConsoleAsync::Service()
{
Initialize("Async");
esp_log_set_vprintf(ConsoleLogger);
OvmsConsole::Service();
}
int ConsoleAsync::puts(const char* s)
{
return ::puts(s);
}
int ConsoleAsync::printf(const char* fmt, ...)
{
va_list args;
va_start(args,fmt);
int ret = vprintf(fmt,args);
va_end(args);
fflush(stdout);
return ret;
}
ssize_t ConsoleAsync::write(const void *buf, size_t nbyte)
{
ssize_t n = fwrite(buf, nbyte, 1, stdout);
fflush(stdout);
return n;
}
int ConsoleAsync::Log(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
size_t ret = ConsoleLogger(fmt, args);
va_end(args);
return ret;
}
int ConsoleAsync::ConsoleLogger(const char* fmt, va_list args)
{
if (!m_instance)
return ::vprintf(fmt, args);
return MyCommandApp.Log(fmt, args);
}
void ConsoleAsync::Log(char* message)
{
if (!m_ready)
{
free(message);
return;
}
Event event;
event.type = ALERT;
event.buffer = message;
BaseType_t ret = xQueueSendToBack(m_queue, (void * )&event, 0);
if (ret != pdPASS)
{
free(message);
++m_lost;
}
}
void ConsoleAsync::HandleDeviceEvent(void* pEvent)
{
uart_event_t event = *(uart_event_t*)pEvent;
size_t buffered_size;
switch (event.type)
{
case UART_DATA:
uart_get_buffered_data_len(EX_UART_NUM, &buffered_size);
if (buffered_size > 0)
{
int len = uart_read_bytes(EX_UART_NUM, data, BUF_SIZE, 100 / portTICK_RATE_MS);
// Translate CR (Enter) from monitor into \n for microrl
bool found = false;
for (int i = 0; i < len; ++i)
{
if (found && data[i] == '\n')
{
for (int j = i+1; j < len; ++j)
data[j-1] = data[j];
--len;
continue;
}
found = false;
if (data[i] == '\r')
{
data[i] = '\n';
found = true;
}
}
ProcessChars((char*)data, len);
}
break;
case UART_BREAK:
// Ignore it
uart_flush(EX_UART_NUM);
break;
case UART_FIFO_OVF:
ESP_LOGI(TAG, "hw fifo overflow\n");
// If fifo overflow happened, you should consider adding flow control for your application.
// We can read data out out the buffer, or directly flush the rx buffer.
uart_flush(EX_UART_NUM);
break;
case UART_BUFFER_FULL:
ESP_LOGI(TAG, "ring buffer full\n");
// If buffer full happened, you should consider encreasing your buffer size
// We can read data out out the buffer, or directly flush the rx buffer.
uart_flush(EX_UART_NUM);
break;
default:
ESP_LOGE(TAG, "uart event type: %d", event.type);
break;
}
}