more flash memory, pingreq debugging, etc.
This commit is contained in:
ladyada
parent
6a3b6132d9
commit
7c5113e32e
@ -1,6 +1,16 @@
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#include "Adafruit_MQTT.h"
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Adafruit_MQTT::Adafruit_MQTT(const char *server, uint16_t port, const PROGMEM char *cid, const PROGMEM char *user, const PROGMEM char *pass) {
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servername = server;
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portnum = port;
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serverip = 0;
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clientid = cid;
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username = user;
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password = pass;
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}
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/*
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Adafruit_MQTT::Adafruit_MQTT(char *server, uint16_t port, char *cid, char *user, char *pass) {
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strncpy(servername, server, SERVERNAME_SIZE);
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servername[SERVERNAME_SIZE-1] = 0;
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@ -15,9 +25,8 @@ Adafruit_MQTT::Adafruit_MQTT(char *server, uint16_t port, char *cid, char *user,
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strncpy(password, pass, PASSWORD_SIZE);
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password[PASSWORD_SIZE-1] = 0;
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errno = 0;
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}
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*/
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uint8_t Adafruit_MQTT::pingPacket(uint8_t *packet) {
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packet[0] = MQTT_CTRL_PINGREQ << 4;
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@ -33,6 +42,19 @@ static uint8_t *stringprint(uint8_t *p, char *s) {
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return p+len;
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}
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static uint8_t *stringprint_P(uint8_t *p, const char *s) {
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uint16_t len = strlen_P(s);
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/*
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for (uint8_t i=0; i<len; i++) {
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Serial.write(pgm_read_byte(s+i));
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}
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*/
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p[0] = len >> 8; p++;
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p[0] = len & 0xFF; p++;
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strncpy_P((char *)p, s, len);
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return p+len;
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}
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// http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html#_Toc398718028
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uint8_t Adafruit_MQTT::connectPacket(uint8_t *packet) {
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uint8_t *p = packet;
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@ -49,9 +71,9 @@ uint8_t Adafruit_MQTT::connectPacket(uint8_t *packet) {
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p++;
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p[0] = MQTT_CONN_CLEANSESSION;
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if (username[0] != 0)
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if (pgm_read_byte(username) != 0)
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p[0] |= MQTT_CONN_USERNAMEFLAG;
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if (password[0] != 0)
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if (pgm_read_byte(password) != 0)
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p[0] |= MQTT_CONN_PASSWORDFLAG;
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p++;
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// TODO: add WILL support?
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@ -61,13 +83,13 @@ uint8_t Adafruit_MQTT::connectPacket(uint8_t *packet) {
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p[0] = MQTT_CONN_KEEPALIVE & 0xFF;
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p++;
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p = stringprint(p, clientid);
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p = stringprint_P(p, clientid);
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if (username[0] != 0) {
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p = stringprint(p, username);
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if (pgm_read_byte(username) != 0) {
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p = stringprint_P(p, username);
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}
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if (password[0] != 0) {
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p = stringprint(p, password);
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if (pgm_read_byte(password) != 0) {
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p = stringprint_P(p, password);
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}
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len = p - packet;
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@ -77,7 +99,7 @@ uint8_t Adafruit_MQTT::connectPacket(uint8_t *packet) {
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return len;
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}
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uint8_t Adafruit_MQTT::publishPacket(uint8_t *packet, char *topic, char *data, uint8_t qos) {
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uint8_t Adafruit_MQTT::publishPacket(uint8_t *packet, const char *topic, char *data, uint8_t qos) {
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uint8_t *p = packet;
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uint16_t len;
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@ -85,7 +107,7 @@ uint8_t Adafruit_MQTT::publishPacket(uint8_t *packet, char *topic, char *data, u
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// fill in packet[1] last
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p+=2;
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p = stringprint(p, topic);
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p = stringprint_P(p, topic);
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memcpy(p, data, strlen(data));
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p+=strlen(data);
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@ -95,16 +117,14 @@ uint8_t Adafruit_MQTT::publishPacket(uint8_t *packet, char *topic, char *data, u
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}
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Adafruit_MQTT_Publish::Adafruit_MQTT_Publish(Adafruit_MQTT &mqttserver, char *feed, uint8_t q) {
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mqtt = &mqttserver;
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strncpy(topic, feed, FEEDNAME_SIZE);
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topic[FEEDNAME_SIZE-1] = 0;
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Adafruit_MQTT_Publish::Adafruit_MQTT_Publish(Adafruit_MQTT *mqttserver, const char *feed, uint8_t q) {
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mqtt = mqttserver;
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topic = feed;
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qos = q;
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errno = 0;
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}
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bool Adafruit_MQTT_Publish::publish(int32_t i) {
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char payload[18];
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itoa(i, payload, 10);
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@ -116,3 +136,7 @@ bool Adafruit_MQTT_Publish::publish(uint32_t i) {
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itoa(i, payload, 10);
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return mqtt->publish(topic, payload, qos);
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}
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bool Adafruit_MQTT_Publish::publish(char *payload) {
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return mqtt->publish(topic, payload, qos);
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}
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@ -19,11 +19,14 @@
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#define MQTT_QOS_0 0x0
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#define SERVERNAME_SIZE 25
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#define PASSWORD_SIZE 25
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#define USERNAME_SIZE 41
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#define FEEDNAME_SIZE 45
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#define CLIENTID_SIZE 23
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#define FEEDNAME_SIZE 40
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#define CONNECT_TIMEOUT_MS 3000
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#define PUBLISH_TIMEOUT_MS 500
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#define PING_TIMEOUT_MS 500
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@ -36,50 +39,51 @@
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#define MQTT_CONN_CLEANSESSION 0x02
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#define MQTT_CONN_KEEPALIVE 15 // in seconds
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#define MAXBUFFERSIZE 130
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#define MAXBUFFERSIZE (60)
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class Adafruit_MQTT {
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public:
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Adafruit_MQTT(char *server, uint16_t port, char *cid, char *user, char *pass);
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Adafruit_MQTT(const char *server, uint16_t port, const PROGMEM char *cid, const PROGMEM char *user, const PROGMEM char *pass);
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uint8_t connectPacket(uint8_t *packet);
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virtual boolean publish(char *topic, char *payload, uint8_t qos) {}
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uint8_t publishPacket(uint8_t *packet, char *topic, char *payload, uint8_t qos);
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virtual boolean publish(const char *topic, char *payload, uint8_t qos) {}
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uint8_t publishPacket(uint8_t *packet, const char *topic, char *payload, uint8_t qos);
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virtual boolean ping(void) {}
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virtual boolean ping(uint8_t t) {}
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uint8_t pingPacket(uint8_t *packet);
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protected:
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int8_t errno;
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char servername[SERVERNAME_SIZE];
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const char *servername;
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uint32_t serverip;
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int16_t portnum;
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char clientid[CLIENTID_SIZE];
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char username[USERNAME_SIZE];
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char password[PASSWORD_SIZE];
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const char *clientid;
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const char *username;
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const char *password;
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uint8_t buffer[MAXBUFFERSIZE];
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};
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class Adafruit_MQTT_Publish {
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public:
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Adafruit_MQTT_Publish(Adafruit_MQTT& mqttserver, char *feed, uint8_t qos = 0);
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Adafruit_MQTT_Publish(Adafruit_MQTT *mqttserver, const char *feed, uint8_t qos = 0);
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//bool publish(char *s);
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bool publish(char *s);
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//bool publish(double f);
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bool publish(int32_t i);
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bool publish(uint32_t i);
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private:
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Adafruit_MQTT *mqtt;
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char topic[FEEDNAME_SIZE];
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const char *topic;
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uint8_t qos;
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int8_t errno;
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};
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class Adafruit_MQTT_Subscibe {
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class Adafruit_MQTT_Subscribe {
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public:
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Adafruit_MQTT_Subscibe(Adafruit_MQTT *mqttserver, char *feedname);
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Adafruit_MQTT_Subscribe(Adafruit_MQTT *mqttserver, char *feedname);
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bool setCallback(void (*callback)(char *));
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};
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@ -2,7 +2,7 @@
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#include "Adafruit_MQTT_CC3000.h"
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#include <Adafruit_Watchdog.h>
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Adafruit_MQTT_CC3000::Adafruit_MQTT_CC3000(Adafruit_CC3000 *cc3k, char *server, uint16_t port, char *cid, char *user, char *pass) : Adafruit_MQTT(server, port, cid, user, pass), cc3000(cc3k)
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Adafruit_MQTT_CC3000::Adafruit_MQTT_CC3000(Adafruit_CC3000 *cc3k, const char *server, uint16_t port, const char *cid, const char *user, const char *pass) : Adafruit_MQTT(server, port, cid, user, pass), cc3000(cc3k)
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{
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// nothin doin
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}
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@ -15,12 +15,13 @@ int8_t Adafruit_MQTT_CC3000::connect(void) {
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// look up IP address
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if (serverip == 0) {
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// Try looking up the website's IP address using CC3K's built in getHostByName
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Serial.print(servername); Serial.print(F(" -> "));
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strcpy_P((char *)buffer, servername);
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Serial.print((char *)buffer); Serial.print(F(" -> "));
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uint8_t dnsretries = 5;
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Watchdog.reset();
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while (ip == 0) {
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if (! cc3000->getHostByName(servername, &ip)) {
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if (! cc3000->getHostByName((char *)buffer, &ip)) {
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Serial.println(F("Couldn't resolve!"));
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dnsretries--;
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Watchdog.reset();
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@ -38,16 +39,16 @@ int8_t Adafruit_MQTT_CC3000::connect(void) {
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Watchdog.reset();
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// connect to server
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Serial.println("Connecting to TCP");
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Serial.println(F("Connecting to TCP"));
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mqttclient = cc3000->connectTCP(serverip, portnum);
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uint8_t len = connectPacket(buffer);
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Serial.println("MQTT connection packet:");
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Serial.println(F("MQTT connection packet:"));
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for (uint8_t i=0; i<len; i++) {
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if (isprint(buffer[i]))
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Serial.write(buffer[i]);
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else
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Serial.print(" ");
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Serial.print(" [0x");
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Serial.print(F(" [0x"));
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if (buffer[i] < 0x10)
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Serial.print("0");
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Serial.print(buffer[i],HEX);
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@ -65,12 +66,7 @@ int8_t Adafruit_MQTT_CC3000::connect(void) {
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return -1;
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}
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Serial.println(F("Reply:"));
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len = readPacket(buffer, 4, CONNECT_TIMEOUT_MS);
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for (uint8_t i=0; i<len; i++) {
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Serial.write(buffer[i]); Serial.print(" [0x"); Serial.print(buffer[i], HEX); Serial.print("], ");
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}
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Serial.println();
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if (len != 4) return -1;
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@ -82,53 +78,65 @@ int8_t Adafruit_MQTT_CC3000::connect(void) {
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return -1;
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}
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uint16_t Adafruit_MQTT_CC3000::readPacket(uint8_t *buffer, uint8_t maxlen, uint16_t timeout) {
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uint16_t Adafruit_MQTT_CC3000::readPacket(uint8_t *buffer, uint8_t maxlen, int16_t timeout) {
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/* Read data until either the connection is closed, or the idle timeout is reached. */
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uint16_t len = 0;
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int16_t t = timeout;
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unsigned long lastRead = millis();
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while (mqttclient.connected() && ((millis() - lastRead) < timeout)) {
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while (mqttclient.connected() && (timeout > 0)) {
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Serial.print('.');
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while (mqttclient.available()) {
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Serial.print('!');
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char c = mqttclient.read();
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Watchdog.reset();
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timeout = t; // reset the timeout
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buffer[len] = c;
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//Serial.print((uint8_t)c,HEX);
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len++;
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if (len == maxlen) { // we read all we want, bail
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Serial.print(F("Read packet:\t"));
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for (uint8_t i=0; i<len; i++) {
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if (isprint(buffer[i]))
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Serial.write(buffer[i]);
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else
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Serial.write(' ');
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Serial.print(" [0x"); Serial.print(buffer[i], HEX); Serial.print("], ");
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}
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Serial.println();
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return len;
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}
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lastRead = millis();
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}
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Watchdog.reset();
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timeout-=10;
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delay(10);
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}
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return len;
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}
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boolean Adafruit_MQTT_CC3000::ping(void) {
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uint8_t len = pingPacket(buffer);
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Serial.print("pinging...");
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for (uint8_t i=0; i<len; i++) {
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Serial.write(buffer[i]); Serial.print(" [0x"); Serial.print(buffer[i], HEX); Serial.print("], ");
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}
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Serial.println();
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if (mqttclient.connected()) {
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uint16_t ret = mqttclient.write(buffer, len);
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Serial.print("returned: "); Serial.println(ret);
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if (ret != len) return false;
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} else {
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Serial.println(F("Connection failed"));
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return false;
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}
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boolean Adafruit_MQTT_CC3000::ping(uint8_t times) {
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while (times) {
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uint8_t len = pingPacket(buffer);
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Serial.print("Sending...\t");
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for (uint8_t i=0; i<len; i++) {
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Serial.print(" [0x"); Serial.print(buffer[i], HEX); Serial.print("], ");
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}
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Serial.println();
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if (mqttclient.connected()) {
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uint16_t ret = mqttclient.write(buffer, len);
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//Serial.print("returned: "); Serial.println(ret);
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if (ret != len) return false;
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} else {
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Serial.println(F("Connection failed"));
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return false;
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}
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// process ping reply
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len = readPacket(buffer, 2, PING_TIMEOUT_MS);
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// process ping reply
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Serial.println(F("Reply:"));
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len = readPacket(buffer, 2, PING_TIMEOUT_MS);
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for (uint8_t i=0; i<len; i++) {
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Serial.write(buffer[i]); Serial.print(" [0x"); Serial.print(buffer[i], HEX); Serial.print("], ");
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if (buffer[0] == (MQTT_CTRL_PINGRESP << 4))
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return true;
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}
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Serial.println();
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if (buffer[0] == (MQTT_CTRL_PINGRESP << 4))
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return true;
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return false;
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}
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@ -136,7 +144,7 @@ int32_t Adafruit_MQTT_CC3000::close(void) {
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return mqttclient.close();
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}
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boolean Adafruit_MQTT_CC3000::publish(char *topic, char *data, uint8_t qos) {
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boolean Adafruit_MQTT_CC3000::publish(const char *topic, char *data, uint8_t qos) {
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uint8_t len = publishPacket(buffer, topic, data, qos);
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Serial.println("MQTT publish packet:");
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for (uint8_t i=0; i<len; i++) {
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@ -8,13 +8,13 @@
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class Adafruit_MQTT_CC3000 : public Adafruit_MQTT {
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public:
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Adafruit_MQTT_CC3000(Adafruit_CC3000 *cc3k, char *server, uint16_t port, char *cid, char *user, char *pass);
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Adafruit_MQTT_CC3000(Adafruit_CC3000 *cc3k, const char *server, uint16_t port, const char *cid, const char *user, const char *pass);
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int8_t connect(void);
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uint16_t readPacket(uint8_t *buffer, uint8_t maxlen, uint16_t timeout);
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uint16_t readPacket(uint8_t *buffer, uint8_t maxlen, int16_t timeout);
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int32_t close(void);
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boolean publish(char *topic, char *payload, uint8_t qos);
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boolean ping(void);
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boolean publish(const char *topic, char *payload, uint8_t qos);
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boolean ping(uint8_t time);
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private:
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Adafruit_CC3000 *cc3000;
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