Diff: esp8266-driver/ESP8266/ESP8266.cpp

Revision:

2:1dbc3aa8ae3a

Parent:

1:b4a718e62e0b

--- a/esp8266-driver/ESP8266/ESP8266.cpp	Thu Jan 12 22:05:15 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,306 +0,0 @@
-/* ESP8266 Example
- * Copyright (c) 2015 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "ESP8266.h"
-
-ESP8266::ESP8266(PinName tx, PinName rx, bool debug)
-    : _serial(tx, rx, 1024), _parser(_serial)
-    , _packets(0), _packets_end(&_packets)
-{
-    _serial.baud(115200);
-    _parser.debugOn(debug);
-}
-
-bool ESP8266::startup(int mode)
-{
-    //only 3 valid modes
-    if(mode < 1 || mode > 3) {
-        return false;
-    }
-
-    bool success = reset()
-        && _parser.send("AT+CWMODE=%d", mode)
-        && _parser.recv("OK")
-        && _parser.send("AT+CIPMUX=1")
-        && _parser.recv("OK");
-
-    _parser.oob("+IPD", this, &ESP8266::_packet_handler);
-
-    return success;
-}
-
-bool ESP8266::reset(void)
-{
-    for (int i = 0; i < 2; i++) {
-        if (_parser.send("AT+RST")
-            && _parser.recv("OK\r\nready")) {
-            return true;
-        }
-    }
-
-    return false;
-}
-
-bool ESP8266::dhcp(bool enabled, int mode)
-{
-    //only 3 valid modes
-    if(mode < 0 || mode > 2) {
-        return false;
-    }
-
-    return _parser.send("AT+CWDHCP=%d,%d", enabled?1:0, mode)
-        && _parser.recv("OK");
-}
-
-bool ESP8266::connect(const char *ap, const char *passPhrase)
-{
-    return _parser.send("AT+CWJAP=\"%s\",\"%s\"", ap, passPhrase)
-        && _parser.recv("OK");
-}
-
-bool ESP8266::disconnect(void)
-{
-    return _parser.send("AT+CWQAP") && _parser.recv("OK");
-}
-
-const char *ESP8266::getIPAddress(void)
-{
-    if (!(_parser.send("AT+CIFSR")
-        && _parser.recv("+CIFSR:STAIP,\"%15[^\"]\"", _ip_buffer)
-        && _parser.recv("OK"))) {
-        return 0;
-    }
-
-    return _ip_buffer;
-}
-
-const char *ESP8266::getMACAddress(void)
-{
-    if (!(_parser.send("AT+CIFSR")
-        && _parser.recv("+CIFSR:STAMAC,\"%17[^\"]\"", _mac_buffer)
-        && _parser.recv("OK"))) {
-        return 0;
-    }
-
-    return _mac_buffer;
-}
-
-const char *ESP8266::getGateway()
-{
-    if (!(_parser.send("AT+CIPSTA?")
-        && _parser.recv("+CIPSTA:gateway:\"%15[^\"]\"", _gateway_buffer)
-        && _parser.recv("OK"))) {
-        return 0;
-    }
-
-    return _gateway_buffer;
-}
-
-const char *ESP8266::getNetmask()
-{
-    if (!(_parser.send("AT+CIPSTA?")
-        && _parser.recv("+CIPSTA:netmask:\"%15[^\"]\"", _netmask_buffer)
-        && _parser.recv("OK"))) {
-        return 0;
-    }
-
-    return _netmask_buffer;
-}
-
-int8_t ESP8266::getRSSI()
-{
-    int8_t rssi;
-    char bssid[18];
-
-   if (!(_parser.send("AT+CWJAP?")
-        && _parser.recv("+CWJAP:\"%*[^\"]\",\"%17[^\"]\"", bssid)
-        && _parser.recv("OK"))) {
-        return 0;
-    }
-
-    if (!(_parser.send("AT+CWLAP=\"\",\"%s\",", bssid)
-        && _parser.recv("+CWLAP:(%*d,\"%*[^\"]\",%hhd,", &rssi)
-        && _parser.recv("OK"))) {
-        return 0;
-    }
-
-    return rssi;
-}
-
-bool ESP8266::isConnected(void)
-{
-    return getIPAddress() != 0;
-}
-
-int ESP8266::scan(WiFiAccessPoint *res, unsigned limit)
-{
-    unsigned cnt = 0;
-    nsapi_wifi_ap_t ap;
-
-    if (!_parser.send("AT+CWLAP")) {
-        return NSAPI_ERROR_DEVICE_ERROR;
-    }
-
-    while (recv_ap(&ap)) {
-        if (cnt < limit) {
-            res[cnt] = WiFiAccessPoint(ap);
-        }
-
-        cnt++;
-        if (limit != 0 && cnt >= limit) {
-            break;
-        }
-    }
-
-    return cnt;
-}
-
-bool ESP8266::open(const char *type, int id, const char* addr, int port)
-{
-    //IDs only 0-4
-    if(id > 4) {
-        return false;
-    }
-
-    return _parser.send("AT+CIPSTART=%d,\"%s\",\"%s\",%d", id, type, addr, port)
-        && _parser.recv("OK");
-}
-
-bool ESP8266::send(int id, const void *data, uint32_t amount)
-{
-    //May take a second try if device is busy
-    for (unsigned i = 0; i < 2; i++) {
-        if (_parser.send("AT+CIPSEND=%d,%d", id, amount)
-            && _parser.recv(">")
-            && _parser.write((char*)data, (int)amount) >= 0) {
-            return true;
-        }
-    }
-
-    return false;
-}
-
-void ESP8266::_packet_handler()
-{
-    int id;
-    uint32_t amount;
-
-    // parse out the packet
-    if (!_parser.recv(",%d,%d:", &id, &amount)) {
-        return;
-    }
-
-    struct packet *packet = (struct packet*)malloc(
-            sizeof(struct packet) + amount);
-    if (!packet) {
-        return;
-    }
-
-    packet->id = id;
-    packet->len = amount;
-    packet->next = 0;
-
-    if (!(_parser.read((char*)(packet + 1), amount))) {
-        free(packet);
-        return;
-    }
-
-    // append to packet list
-    *_packets_end = packet;
-    _packets_end = &packet->next;
-}
-
-int32_t ESP8266::recv(int id, void *data, uint32_t amount)
-{
-    while (true) {
-        // check if any packets are ready for us
-        for (struct packet **p = &_packets; *p; p = &(*p)->next) {
-            if ((*p)->id == id) {
-                struct packet *q = *p;
-
-                if (q->len <= amount) { // Return and remove full packet
-                    memcpy(data, q+1, q->len);
-
-                    if (_packets_end == &(*p)->next) {
-                        _packets_end = p;
-                    }
-                    *p = (*p)->next;
-
-                    uint32_t len = q->len;
-                    free(q);
-                    return len;
-                } else { // return only partial packet
-                    memcpy(data, q+1, amount);
-
-                    q->len -= amount;
-                    memmove(q+1, (uint8_t*)(q+1) + amount, q->len);
-
-                    return amount;
-                }
-            }
-        }
-
-        // Wait for inbound packet
-        if (!_parser.recv("OK")) {
-            return -1;
-        }
-    }
-}
-
-bool ESP8266::close(int id)
-{
-    //May take a second try if device is busy
-    for (unsigned i = 0; i < 2; i++) {
-        if (_parser.send("AT+CIPCLOSE=%d", id)
-            && _parser.recv("OK")) {
-            return true;
-        }
-    }
-
-    return false;
-}
-
-void ESP8266::setTimeout(uint32_t timeout_ms)
-{
-    _parser.setTimeout(timeout_ms);
-}
-
-bool ESP8266::readable()
-{
-    return _serial.readable();
-}
-
-bool ESP8266::writeable()
-{
-    return _serial.writeable();
-}
-
-void ESP8266::attach(Callback<void()> func)
-{
-    _serial.attach(func);
-}
-
-bool ESP8266::recv_ap(nsapi_wifi_ap_t *ap)
-{
-    int sec;
-    bool ret = _parser.recv("+CWLAP:(%d,\"%32[^\"]\",%hhd,\"%hhx:%hhx:%hhx:%hhx:%hhx:%hhx\",%d", &sec, ap->ssid,
-                            &ap->rssi, &ap->bssid[0], &ap->bssid[1], &ap->bssid[2], &ap->bssid[3], &ap->bssid[4],
-                            &ap->bssid[5], &ap->channel);
-
-    ap->security = sec < 5 ? (nsapi_security_t)sec : NSAPI_SECURITY_UNKNOWN;
-
-    return ret;
-}