/
ovms_cellular.cpp
1891 lines (1679 loc) · 51.6 KB
/
ovms_cellular.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 "ovms_log.h"
static const char *TAG = "cellular";
#include <string.h>
#include <algorithm>
#include <functional>
#include "ovms_cellular.h"
#include "ovms_peripherals.h"
#include "metrics_standard.h"
#include "ovms_config.h"
#include "ovms_events.h"
#include "ovms_notify.h"
#include "ovms_boot.h"
////////////////////////////////////////////////////////////////////////////////
// Global convenience variables
modem* MyModem = NULL;
////////////////////////////////////////////////////////////////////////////////
// General utility functions
const char* ModemState1Name(modem::modem_state1_t state)
{
switch (state)
{
case modem::None: return "None";
case modem::CheckPowerOff: return "CheckPowerOff";
case modem::PoweringOn: return "PoweringOn";
case modem::Identify: return "Identify";
case modem::PoweredOn: return "PoweredOn";
case modem::MuxStart: return "MuxStart";
case modem::NetWait: return "NetWait";
case modem::NetStart: return "NetStart";
case modem::NetLoss: return "NetLoss";
case modem::NetHold: return "NetHold";
case modem::NetSleep: return "NetSleep";
case modem::NetMode: return "NetMode";
case modem::NetDeepSleep: return "NetDeepSleep";
case modem::PoweringOff: return "PoweringOff";
case modem::PoweredOff: return "PoweredOff";
case modem::PowerOffOn: return "PowerOffOn";
case modem::Development: return "Development";
default: return "Undefined";
};
}
const char* ModemNetRegName(modem::network_registration_t netreg)
{
switch (netreg)
{
case modem::NotRegistered: return "NotRegistered";
case modem::DeniedRegistration: return "DeniedRegistration";
case modem::Searching: return "Searching";
case modem::Registered: return "Registered";
case modem::RegisteredEmergencyServices: return "RegisteredEmergencyServices";
case modem::RegisteredRoamingSMS: return "RegisteredRoamingSMS";
case modem::RegisteredRoaming: return "RegisteredRoaming";
case modem::RegisteredHomeSMS: return "RegisteredHomeSMS";
case modem::RegisteredHome: return "RegisteredHome";
default: return "Unknown";
};
}
////////////////////////////////////////////////////////////////////////////////
// The modem task itself.
// This runs as a freertos task, controlling the modem via a state diagram.
static void MODEM_task(void *pvParameters)
{
modem *me = (modem*)pvParameters;
me->Task();
}
void modem::Task()
{
modem_or_uart_event_t event;
uint8_t data[128];
// Init UART:
uart_config_t uart_config =
{
.baud_rate = m_baud,
.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,
#if ESP_IDF_VERSION_MAJOR < 5
.use_ref_tick = 0,
#else
.source_clk = UART_SCLK_DEFAULT,
#endif
};
uart_param_config(m_uartnum, &uart_config);
uart_set_pin(m_uartnum, m_txpin, m_rxpin, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE);
uart_driver_install(m_uartnum,
CONFIG_OVMS_HW_CELLULAR_MODEM_UART_SIZE,
CONFIG_OVMS_HW_CELLULAR_MODEM_UART_SIZE,
CONFIG_OVMS_HW_CELLULAR_MODEM_QUEUE_SIZE,
(QueueHandle_t*)&m_queue,
ESP_INTR_FLAG_LEVEL2);
// Queue processing loop:
while (m_task)
{
if (xQueueReceive(m_queue, (void *)&event, (portTickType)portMAX_DELAY))
{
if (event.uart.type <= UART_EVENT_MAX)
{
// Must be a UART event
switch(event.uart.type)
{
case UART_DATA:
{
size_t buffered_size = event.uart.size;
while (buffered_size > 0)
{
if (buffered_size>sizeof(data)) buffered_size = sizeof(data);
int len = uart_read_bytes(m_uartnum, (uint8_t*)data, buffered_size, 100 / portTICK_RATE_MS);
if (!m_buffer.Push(data,len))
{ m_err_driver_buffer_full++; }
if (m_state1 == Development)
{ DevelopmentHexDump("rx", (const char*)data, len); }
uart_get_buffered_data_len(m_uartnum, &buffered_size);
modem_state1_t newstate = State1Activity();
if ((newstate != m_state1)&&(newstate != None)) SetState1(newstate);
}
}
break;
case UART_FIFO_OVF:
uart_flush(m_uartnum);
m_err_uart_fifo_ovf++;
ESP_LOGW(TAG, "UART hw fifo overflow");
break;
case UART_BUFFER_FULL:
uart_flush(m_uartnum);
m_err_uart_buffer_full++;
ESP_LOGW(TAG, "UART ring buffer full");
break;
case UART_BREAK:
ESP_LOGD(TAG, "UART rx break");
break;
case UART_PARITY_ERR:
ESP_LOGW(TAG, "UART parity check error");
m_err_uart_parity++;
break;
case UART_FRAME_ERR:
ESP_LOGW(TAG, "UART frame error");
m_err_uart_frame++;
break;
case UART_PATTERN_DET:
ESP_LOGD(TAG, "UART pattern detected");
break;
default:
ESP_LOGD(TAG, "UART unknown event type: %d", event.uart.type);
break;
}
}
else
{
// Must be a MODEM event
switch (event.event.type)
{
case SETSTATE:
{
// Handle queued state change request
SetState1(event.event.data.newstate);
}
break;
case TICKER1:
{
m_state1_ticker++;
modem_state1_t newstate = State1Ticker1();
if ((newstate != m_state1)&&(newstate != None))
{
// Handle direct state transitions
ESP_LOGD(TAG, "State transition %s => %s",
ModemState1Name(m_state1),
ModemState1Name(newstate));
SetState1(newstate);
}
else
{
// Handle auto-state transitions
if (m_state1_timeout_ticks > 0)
{
m_state1_timeout_ticks--;
if (m_state1_timeout_ticks <= 0)
{
ESP_LOGD(TAG, "State timeout %s => %s",
ModemState1Name(m_state1),
ModemState1Name(m_state1_timeout_goto));
SetState1(m_state1_timeout_goto);
}
}
}
}
break;
case SHUTDOWN:
m_task = 0;
break;
default:
break;
}
}
}
if (m_state1 == PoweredOff && MyBoot.IsShuttingDown())
{
m_task = 0;
}
}
// Shutdown:
ESP_LOGD(TAG, "UART shutdown");
m_queue = 0;
uart_wait_tx_done(m_uartnum, portMAX_DELAY);
uart_flush(m_uartnum);
uart_driver_delete(m_uartnum);
if (MyBoot.IsShuttingDown()) MyBoot.ShutdownReady(TAG);
vTaskDelete(NULL);
}
////////////////////////////////////////////////////////////////////////////////
// The modem
// This class implement an OVMS PCP for modem control
modem::modem(const char* name, uart_port_t uartnum, int baud, int rxpin, int txpin, int pwregpio, int dtregpio)
: pcp(name), m_buffer(CONFIG_OVMS_HW_CELLULAR_MODEM_BUFFER_SIZE)
{
MyModem = this;
m_task = 0;
m_uartnum = uartnum;
m_baud = baud;
m_pwregpio = pwregpio;
m_dtregpio = dtregpio;
m_rxpin = rxpin;
m_txpin = txpin;
m_state1 = None;
m_state1_ticker = 0;
m_state1_timeout_goto = None;
m_state1_timeout_ticks = -1;
m_state1_userdata = 0;
m_line_unfinished = -1;
m_line_buffer.clear();
m_netreg = Unknown;
for (size_t k=0; k<CELLULAR_NETREG_COUNT; k++) { m_netreg_d[k] = Unknown; }
m_provider = "";
m_sq = 99; // Unknown
m_powermode = Off;
m_pincode_required = false;
m_err_uart_fifo_ovf = 0;
m_err_uart_buffer_full = 0;
m_err_uart_parity = 0;
m_err_uart_frame = 0;
m_err_driver_buffer_full = 0;
m_nmea = NULL;
m_mux = NULL;
m_ppp = NULL;
m_driver = NULL;
m_cmd_running = false;
m_cmd_output.clear();
ClearNetMetrics();
StartTask();
using std::placeholders::_1;
using std::placeholders::_2;
MyEvents.RegisterEvent(TAG,"ticker.1", std::bind(&modem::Ticker, this, _1, _2));
MyEvents.RegisterEvent(TAG, "system.shuttingdown", std::bind(&modem::EventListener, this, _1, _2));
}
modem::~modem()
{
StopTask();
if (m_driver != NULL)
{
delete m_driver;
m_driver = NULL;
}
MyModem = NULL;
}
////////////////////////////////////////////////////////////////////////////////
// Modem power control and initialisation
void modem::SetPowerMode(PowerMode powermode)
{
PowerMode original = m_powermode;
pcp::SetPowerMode(powermode);
switch (powermode)
{
case On:
case Sleep:
case DeepSleep:
if ((original!=On)&&(original!=Sleep)&&(original!=DeepSleep))
SendSetState1(PowerOffOn); // We are not in the task, so queue the state change
// We don't know the actual power state of the modem, it can be still powered on
// after a crash. PowerOffOn initiates a power cycle, which works in any case.
break;
case Off:
SendSetState1(PoweringOff); // We are not in the task, so queue the state change
break;
case Devel:
SendSetState1(Development); // We are not in the task, so queue the state change
break;
default:
break;
}
}
void modem::AutoInit()
{
if (MyConfig.GetParamValueBool("auto", "modem", false))
SetPowerMode(On);
}
void modem::Restart()
{
if (m_driver == NULL)
{
ESP_LOGW(TAG, "Cannot restart, as modem driver is not loaded");
}
else
{ m_driver->Restart(); }
}
void modem::PowerOff()
{
if (m_driver == NULL)
{
ESP_LOGW(TAG, "Cannot power off, as modem driver is not loaded");
}
else
{ m_driver->PowerOff(); }
}
void modem::PowerCycle()
{
if (m_driver == NULL)
{
ESP_LOGW(TAG, "Cannot power cycle, as modem driver is not loaded");
}
else
{ m_driver->PowerCycle(); }
}
void modem::PowerSleep(bool onoff)
{
if (m_driver == NULL)
{
ESP_LOGW(TAG, "Cannot power sleep, as modem driver is not loaded");
}
else
{ m_driver->PowerSleep(onoff); }
}
void modem::SupportSummary(OvmsWriter* writer, bool debug /*=FALSE*/)
{
writer->puts("MODEM Status");
if (m_pincode_required)
{
writer->printf(" PIN: SIM card PIN code required.\n");
if (MyConfig.GetParamValueBool("modem","wrongpincode"))
writer->printf(" Error: Wrong PIN (%s) entered\n", MyConfig.GetParamValue("modem","pincode").c_str());
}
writer->printf(" Model: %s\n",m_model.c_str());
if (m_powermode != Off)
{
writer->printf(" Network Registration: %s\n Provider: %s\n Signal: %d dBm\n Mode: %s\n",
ModemNetRegName(m_netreg),
m_provider.c_str(),
UnitConvert(sq, dbm, m_sq),
StandardMetrics.ms_m_net_mdm_mode->AsString().c_str());
// writer->printf(" GSM Registration: %s\n",ModemNetRegName(m_netreg_d[NRT_GSM]));
// writer->printf(" GPRS Registration: %s\n",ModemNetRegName(m_netreg_d[NRT_GPRS]));
// writer->printf(" EPS Registration: %s\n",ModemNetRegName(m_netreg_d[NRT_EPS]));
}
writer->printf(" State: %s\n", ModemState1Name(m_state1));
if (debug)
{
writer->printf(" Ticker: %d\n User Data: %d\n",
m_state1_ticker,
m_state1_userdata);
writer->printf(
" UART:\n"
" FIFO overflows: %d\n"
" Buffer overflows: %d\n"
" Parity errors: %d\n"
" Frame errors: %d\n"
" Driver Buffer overflows: %d\n"
, m_err_uart_fifo_ovf
, m_err_uart_buffer_full
, m_err_uart_parity
, m_err_uart_frame
, m_err_driver_buffer_full);
if (m_state1_timeout_goto != None)
{
writer->printf(" State Timeout Goto: %s (in %d seconds)\n",
ModemState1Name(m_state1_timeout_goto),
m_state1_timeout_ticks);
}
}
if (m_mux)
{
writer->printf(" Mux: Status %s\n", m_mux->IsMuxUp()?"up":"down");
if (debug)
{
writer->printf(" Open Channels: %d\n", m_mux->m_openchannels);
writer->printf(" Framing Errors: %" PRId32 "\n", m_mux->m_framingerrors);
writer->printf(" RX frames: %" PRId32 "\n", m_mux->m_rxframecount);
writer->printf(" TX frames: %" PRId32 "\n", m_mux->m_txframecount);
writer->printf(" Last RX frame: %" PRId32 " sec(s) ago\n", m_mux->GoodFrameAge());
}
}
else
{
writer->puts(" Mux: Not running");
}
if (m_ppp == NULL)
{
writer->puts(" PPP: Not running");
}
else
{
if (m_ppp->m_connected)
{
writer->printf(" PPP: Connected on channel: #%d\n", m_ppp->m_channel);
}
else
{
writer->puts(" PPP: Not connected");
}
if (debug)
{
writer->printf(" Connects: %d\n", m_ppp->m_connectcount);
}
if (m_ppp->m_lasterrcode > 0)
{
writer->printf(" Last Error: %s\n", m_ppp->ErrCodeName(m_ppp->m_lasterrcode));
}
}
if (m_nmea==NULL)
{
writer->puts(" GPS: Not running");
}
else
{
if (m_nmea->m_connected)
{
writer->printf(" GPS: Connected on channel: #%d\n", m_nmea->m_channel_nmea);
}
else
{
writer->puts(" GPS: Not connected");
}
if (debug)
{
writer->printf(" Status: %s\n",
MyConfig.GetParamValueBool("modem", "enable.gps", false) ? "enabled" : "disabled");
writer->printf(" Time: %s\n",
MyConfig.GetParamValueBool("modem", "enable.gpstime", false) ? "enabled" : "disabled");
}
}
}
////////////////////////////////////////////////////////////////////////////////
// Modem state diagram implementation
void modem::SetState1(modem_state1_t newstate)
{
m_state1_timeout_ticks = -1;
m_state1_timeout_goto = None;
if (m_state1 != None) State1Leave(m_state1);
State1Enter(newstate);
}
modem::modem_state1_t modem::GetState1()
{
return m_state1;
}
void modem::State1Leave(modem_state1_t oldstate)
{
if (m_driver)
{
// See if the driver want's to override our default behaviour
if (m_driver->State1Leave(oldstate)) return;
}
switch (oldstate)
{
case CheckPowerOff:
break;
case PoweringOn:
break;
case Identify:
break;
case PoweredOn:
break;
case NetMode:
break;
case NetDeepSleep:
break;
case PoweringOff:
break;
case PoweredOff:
break;
case Development:
break;
default:
break;
}
}
void modem::State1Enter(modem_state1_t newstate)
{
m_state1 = newstate;
m_state1_ticker = 0;
m_state1_userdata = 0;
if (m_driver == NULL)
{
// Register a default modem driver
std::string driver = MyConfig.GetParamValue("modem", "driver","auto");
SetCellularModemDriver(driver.c_str());
}
ESP_LOGI(TAG, "State: Enter %s state",ModemState1Name(newstate));
// See if the driver want's to override our default behaviour
if (m_driver->State1Enter(newstate)) return;
switch (m_state1)
{
case CheckPowerOff:
ClearNetMetrics();
PowerOff();
m_state1_timeout_ticks = 15;
m_state1_timeout_goto = PoweredOff;
break;
case PoweringOn:
if ( (strcmp(m_driver->GetModel(),"auto") != 0) &&
(MyConfig.GetParamValue("modem", "driver","auto").compare("auto")==0) )
{
SetCellularModemDriver("auto");
}
ClearNetMetrics();
MyEvents.SignalEvent("system.modem.poweringon", NULL);
PowerCycle();
m_state1_timeout_ticks = 30;
m_state1_timeout_goto = PoweringOn;
break;
case Identify:
m_state1_timeout_ticks = 30;
m_state1_timeout_goto = PowerOffOn;
break;
case PoweredOn:
ClearNetMetrics();
MyEvents.SignalEvent("system.modem.poweredon", NULL);
m_state1_timeout_ticks = 30;
m_state1_timeout_goto = PoweringOn;
break;
case MuxStart:
MyEvents.SignalEvent("system.modem.muxstart", NULL);
m_state1_timeout_ticks = 120;
m_state1_timeout_goto = PoweringOn;
StartMux();
break;
case NetWait:
MyEvents.SignalEvent("system.modem.netwait", NULL);
StartNMEA();
break;
case NetStart:
MyEvents.SignalEvent("system.modem.netstart", NULL);
m_state1_timeout_ticks = 30;
m_state1_timeout_goto = PowerOffOn;
break;
case NetLoss:
MyEvents.SignalEvent("system.modem.netloss", NULL);
m_state1_timeout_ticks = 10;
m_state1_timeout_goto = NetWait;
if (m_mux != NULL)
{ muxtx(m_mux_channel_POLL, "AT+CGATT=0\r\n"); }
StopPPP();
break;
case NetHold:
MyEvents.SignalEvent("system.modem.nethold", NULL);
break;
case NetSleep:
MyEvents.SignalEvent("system.modem.netsleep", NULL);
StopPPP();
StopNMEA();
break;
case NetMode:
MyEvents.SignalEvent("system.modem.netmode", NULL);
StartPPP();
break;
case NetDeepSleep:
ClearNetMetrics();
MyEvents.SignalEvent("system.modem.netdeepsleep", NULL);
StopPPP();
StopNMEA();
break;
case PoweringOff:
ClearNetMetrics();
StopPPP();
StopNMEA();
MyEvents.SignalEvent("system.modem.stop",NULL);
PowerCycle();
m_state1_timeout_ticks = 20;
m_state1_timeout_goto = CheckPowerOff;
break;
case PoweredOff:
ClearNetMetrics();
MyEvents.SignalEvent("system.modem.poweredoff", NULL);
StopMux();
if (m_driver)
{
delete m_driver;
m_driver = NULL;
m_model.clear();
}
break;
case PowerOffOn:
ClearNetMetrics();
StopPPP();
StopNMEA();
StopMux();
MyEvents.SignalEvent("system.modem.stop",NULL);
PowerCycle();
m_state1_timeout_ticks = 3;
m_state1_timeout_goto = PoweringOn;
break;
case Development:
break;
default:
break;
}
}
modem::modem_state1_t modem::State1Activity()
{
if (m_driver)
{
// See if the driver want's to override our default behaviour
modem::modem_state1_t driverstate = m_driver->State1Activity(m_state1);
if (driverstate == modem::None) return m_state1;
if (driverstate != m_state1) return driverstate;
}
switch (m_state1)
{
case None:
break;
case CheckPowerOff:
// We have activity, so modem is powered on
m_buffer.EmptyAll(); // Drain it
return PoweringOff;
break;
case PoweringOn:
// We have activity, so modem is powered on
m_buffer.EmptyAll(); // Drain it
if (MyConfig.GetParamValue("modem", "driver","auto").compare("auto")==0)
return Identify;
else
return PoweredOn;
break;
case Identify:
if (IdentifyModel()) return PoweredOn;
break;
case PoweredOn:
if (StandardIncomingHandler(m_mux_channel_CTRL, &m_buffer))
{
if (m_state1_ticker >= 20) return MuxStart;
}
break;
case MuxStart:
case NetWait:
case NetStart:
case NetHold:
case NetSleep:
case NetMode:
if (m_mux != NULL)
{ m_mux->Process(&m_buffer); }
break;
case NetLoss:
case NetDeepSleep:
case PoweringOff:
m_buffer.EmptyAll(); // Drain it
break;
case PoweredOff:
// We shouldn't have any activity while powered off, so try again...
return PoweringOff;
break;
case Development:
if ((m_mux != NULL)&&(m_mux->IsMuxUp()))
{
m_mux->Process(&m_buffer);
}
else
{
size_t needed = m_buffer.UsedSpace();
char* result = new char[needed+1];
m_buffer.Pop(needed, (uint8_t*)result);
result[needed] = 0;
MyCommandApp.HexDump(TAG, "rx", result, needed);
delete [] result;
}
break;
default:
break;
}
return None;
}
modem::modem_state1_t modem::State1Ticker1()
{
if ((m_mux != NULL)&&(m_mux->GoodFrameAge() > 180)&&(m_state1 != Development))
{
// Mux is up, but we haven't had a good MUX frame in 3 minutes.
// Let's assume the MUX has failed
ESP_LOGW(TAG, "3 minutes since last MUX rx frame - assume MUX has failed");
StopPPP();
StopNMEA();
StopMux();
MyEvents.SignalEvent("system.modem.stop",NULL);
PowerCycle();
return PoweringOn;
}
if (m_driver)
{
// See if the driver want's to override our default behaviour
modem::modem_state1_t driverstate = m_driver->State1Ticker1(m_state1);
if (driverstate == modem::None) return m_state1;
if (driverstate != m_state1) return driverstate;
}
switch (m_state1)
{
case None:
return CheckPowerOff;
break;
case CheckPowerOff:
if (m_state1_ticker > 10) tx("AT\r\n");
break;
case PoweringOn:
tx("AT\r\n");
break;
case Identify:
tx("AT+CGMM\r\n");
break;
case PoweredOn:
if (m_powermode == DeepSleep)
{
return NetDeepSleep; // Just hold, without starting the network
}
switch (m_state1_ticker)
{
case 10:
tx("AT+CPIN?;+CREG=1;+CTZU=1;+CTZR=1;+CLIP=1;+CMGF=1;+CNMI=1,2,0,0,0;+CSDH=1;+CMEE=2;+CSQ;+AUTOCSQ=1,1;E0;S0=0\r\n");
break;
case 12:
tx("AT+CGMR;+ICCID\r\n");
break;
case 20:
tx("AT+CMUX=0\r\n");
break;
default:
break;
}
break;
case MuxStart:
if (m_mux != NULL)
{
if ((m_state1_ticker>5)&&((m_state1_ticker % 30) == 0))
{ m_driver->StatusPoller(); }
if (m_mux->IsMuxUp())
return NetWait;
}
break;
case NetWait:
if (m_powermode == Sleep)
{
return NetSleep; // Just hold, without starting the network
}
if (m_state1_ticker == 1)
{
// Check for exit out of this state...
std::string p = MyConfig.GetParamValue("modem", "apn");
if ((!MyConfig.GetParamValueBool("modem", "enable.net", true))||(p.empty()))
return NetHold; // Just hold, without starting PPP
}
else if ((m_state1_ticker > 3)&&((m_netreg >= Registered)))
return NetStart; // We have GSM, so start the network
if ((m_mux != NULL)&&(m_state1_ticker>3)&&((m_state1_ticker % 10) == 0))
{ m_driver->StatusPoller(); }
break;
case NetStart:
if (m_powermode == Sleep)
{
return NetSleep; // Just hold, without starting the network
}
if (m_state1_ticker == 1)
{
m_state1_userdata = 1;
if (m_mux != NULL)
{
std::string apncmd("AT+CGDCONT=1,\"IP\",\"");
apncmd.append(MyConfig.GetParamValue("modem", "apn"));
apncmd.append("\";+CGDATA=\"PPP\",1\r\n");
ESP_LOGD(TAG,"Netstart %s",apncmd.c_str());
muxtx(m_mux_channel_DATA,apncmd.c_str());
}
}
if (m_state1_userdata == 2)
return NetMode; // PPP Connection is ready to be started
else if (m_state1_userdata == 99)
return NetLoss;
else if (m_state1_userdata == 100)
{
ESP_LOGW(TAG, "NetStart: unresolvable error, performing modem power cycle");
return PowerOffOn;
}
break;
case NetLoss:
break;
case NetHold:
if ((m_mux != NULL)&&(m_state1_ticker>5)&&((m_state1_ticker % 30) == 0))
{ m_driver->StatusPoller(); }
break;
case NetSleep:
if (m_powermode == On) return NetWait;
if (m_powermode != Sleep) return PoweringOn;
if ((m_mux != NULL)&&(m_state1_ticker>5)&&((m_state1_ticker % 30) == 0))
{ m_driver->StatusPoller(); }
break;
case NetMode:
if (m_powermode == Sleep)
{
// Need to shutdown ppp, and get back to NetSleep mode
return NetSleep;
}
if (m_netreg < Registered)
{
// We've lost the network connection
ESP_LOGW(TAG, "Lost network connection (NetworkRegistration in NetMode)");
return NetLoss;
}
if (m_state1_userdata == 99)
{
// We've lost the network connection
ESP_LOGW(TAG, "Lost network connection (+PPP disconnect in NetMode)");
return NetLoss;
}
if ((m_mux != NULL)&&(m_state1_ticker>5)&&((m_state1_ticker % 30) == 0))
{ m_driver->StatusPoller(); }
break;
case NetDeepSleep:
if (m_powermode != DeepSleep) return PoweringOn;
break;
case PoweringOff:
break;
case PoweredOff:
break;
case Development:
break;
default:
break;
}
return None;
}
bool modem::StandardIncomingHandler(int channel, OvmsBuffer* buf)
{
bool result = false;
while(1)
{
if (buf->m_userdata != 0)
{
// Expecting N bytes of data mode
if (buf->UsedSpace() < (size_t)buf->m_userdata) return false;
StandardDataHandler(channel, buf);
result = true;
}
else
{
// Normal line mode
while (buf->HasLine() >= 0)
{
StandardLineHandler(channel, buf, buf->ReadLine());
result = true;
}
return result;
}
}
}