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

ESP8266: prevents doing reset twice in a row, unnecessary

pull/9473/head
Veijo Pesonen 2019-02-06 15:41:55 +02:00
parent 706dd39569
commit 2d6b63d5a2
2 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
components/wifi/esp8266-driver/ESP8266Interface.cpp
View File

@ -404,12 +404,7 @@ bool ESP8266Interface::_get_firmware_ok()
nsapi_error_t ESP8266Interface::_init(void)
{
if (!_initialized) {
_hw_reset();
if (!_esp.at_available()) {
return NSAPI_ERROR_DEVICE_ERROR;
}
if (!_esp.reset()) {
if (_reset() != NSAPI_ERROR_OK) {
return NSAPI_ERROR_DEVICE_ERROR;
}
if (!_esp.echo_off()) {
@ -436,7 +431,7 @@ nsapi_error_t ESP8266Interface::_init(void)
return NSAPI_ERROR_OK;
}
void ESP8266Interface::_hw_reset()
nsapi_error_t ESP8266Interface::_reset()
{
if (_rst_pin.is_connected()) {
_rst_pin.rst_assert();
@ -445,7 +440,17 @@ void ESP8266Interface::_hw_reset()
wait_ms(2); // Documentation says 200 us should have been enough, but experimentation shows that 1ms was not enough
_esp.flush();
_rst_pin.rst_deassert();
} else {
_esp.flush();
if (!_esp.at_available()) {
return NSAPI_ERROR_DEVICE_ERROR;
}
if (!_esp.reset()) {
return NSAPI_ERROR_DEVICE_ERROR;
}
}
return _esp.at_available() ? NSAPI_ERROR_OK : NSAPI_ERROR_DEVICE_ERROR;
}
struct esp8266_socket {

4
components/wifi/esp8266-driver/ESP8266Interface.h
View File

@ -365,10 +365,10 @@ private:
// Driver's state
int _initialized;
nsapi_error_t _connect_retval;
bool _get_firmware_ok();
nsapi_error_t _init(void);
void _hw_reset();
nsapi_error_t _connect_retval;
nsapi_error_t _reset();
//sigio
struct {