ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Cellular: Fix BG96 power up

pull/11066/head
Ari Parkkila 2019-07-18 03:57:20 -07:00
parent 2f136b977f
commit 7a5e4ca5da
1 changed files with 42 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
features/cellular/framework/targets/QUECTEL/BG96/QUECTEL_BG96.cpp
View File

@ -111,31 +111,36 @@ nsapi_error_t QUECTEL_BG96::hard_power_on()
nsapi_error_t QUECTEL_BG96::soft_power_on() nsapi_error_t QUECTEL_BG96::soft_power_on()
{ {
if (_rst.is_connected()) { if (!_rst.is_connected()) {
tr_info("Reset modem"); return NSAPI_ERROR_OK;
_rst = !_active_high;
ThisThread::sleep_for(100);
_rst = _active_high;
ThisThread::sleep_for(150 + 460); // RESET_N timeout from BG96_Hardware_Design_V1.1
_rst = !_active_high;
ThisThread::sleep_for(500);
// wait for RDY
_at->lock();
_at->set_at_timeout(10 * 1000);
_at->resp_start();
_at->set_stop_tag("RDY");
bool rdy = _at->consume_to_stop_tag();
_at->set_stop_tag(OK);
_at->restore_at_timeout();
_at->unlock();
if (!rdy) {
return NSAPI_ERROR_DEVICE_ERROR;
}
} }
return NSAPI_ERROR_OK; tr_info("Reset modem");
_rst = !_active_high;
ThisThread::sleep_for(100);
_rst = _active_high;
ThisThread::sleep_for(150 + 460); // RESET_N timeout from BG96_Hardware_Design_V1.1
_rst = !_active_high;
ThisThread::sleep_for(500);
// wait for RDY
_at->lock();
_at->set_at_timeout(10 * 1000);
_at->resp_start();
_at->set_stop_tag("RDY");
bool rdy = _at->consume_to_stop_tag();
_at->set_stop_tag(OK);
_at->restore_at_timeout();
if (!rdy) {
// check if modem was silently powered on
_at->clear_error();
_at->set_at_timeout(100);
_at->cmd_start("AT");
_at->cmd_stop_read_resp();
_at->restore_at_timeout();
}
return _at->unlock_return_error();
} }
nsapi_error_t QUECTEL_BG96::hard_power_off() nsapi_error_t QUECTEL_BG96::hard_power_off()
@ -162,26 +167,22 @@ nsapi_error_t QUECTEL_BG96::init()
_at->cmd_start("AT+CMEE=1"); // verbose responses _at->cmd_start("AT+CMEE=1"); // verbose responses
_at->cmd_stop_read_resp(); _at->cmd_stop_read_resp();
if (_at->get_last_error() == NSAPI_ERROR_OK) { if (_at->get_last_error() != NSAPI_ERROR_OK) {
do { return _at->unlock_return_error();
_at->cmd_start("AT+CFUN=1"); // set full functionality
_at->cmd_stop_read_resp();
// CFUN executed ok
if (_at->get_last_error() != NSAPI_ERROR_OK) {
// wait some time that modem gets ready for CFUN command, and try again
retry++;
_at->flush();
ThisThread::sleep_for(64); // experimental value
} else {
// yes continue
break;
}
/* code */
} while ((retry < 3));
} }
do {
_at->clear_error();
_at->cmd_start("AT+CFUN=1"); // set full functionality
_at->cmd_stop_read_resp();
if (_at->get_last_error() == NSAPI_ERROR_OK) {
break;
}
// wait some time that modem gets ready for CFUN command, and try again
retry++;
ThisThread::sleep_for(64); // experimental value
} while (retry < 3);
return _at->unlock_return_error(); return _at->unlock_return_error();
} }