Refactor RaspberryPi port
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@@ -20,6 +20,7 @@
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#include "MyConfig.h"
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#include "MyTransport.h"
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#include "MyProtocol.h"
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#include <string.h>
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uint8_t protocolH2i(char c);
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@@ -32,7 +33,6 @@ bool protocolParse(MyMessage &message, char *inputString) {
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uint8_t blen = 0;
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int i = 0;
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uint8_t command = 0;
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uint8_t ack = 0;
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// Extract command data coming on serial line
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for (str = strtok_r(inputString, ";", &p); // split using semicolon
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@@ -51,7 +51,7 @@ bool protocolParse(MyMessage &message, char *inputString) {
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mSetCommand(message, command);
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break;
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case 3: // Should we request ack from destination?
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ack = atoi(str);
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mSetRequestAck(message, atoi(str)?1:0);
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break;
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case 4: // Data type
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message.type = atoi(str);
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@@ -86,8 +86,7 @@ bool protocolParse(MyMessage &message, char *inputString) {
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message.sender = GATEWAY_ADDRESS;
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message.last = GATEWAY_ADDRESS;
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mSetRequestAck(message, ack?1:0);
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mSetAck(message, false);
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mSetAck(message, false);
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if (command == C_STREAM)
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message.set(bvalue, blen);
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else
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@@ -110,23 +109,23 @@ char * protocolFormatMQTTSubscribe(const char* prefix) {
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return _fmtBuffer;
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}
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void protocolMQTTParse(MyMessage &message, char* topic, uint8_t* payload, unsigned int length) {
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//TODO: Not sure if we should copy the topic and payload into a buffer so we are not modifying original.
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#ifdef MY_GATEWAY_MQTT_CLIENT
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bool protocolMQTTParse(MyMessage &message, char* topic, uint8_t* payload, unsigned int length) {
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char *str, *p;
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uint8_t i = 0;
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uint8_t bvalue[MAX_PAYLOAD];
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uint8_t blen = 0;
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uint8_t command = 0;
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for (str = strtok_r(topic, "/", &p); str && i <= 5;
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str = strtok_r(NULL, "/", &p)) {
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switch (i) {
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case 0: {
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// Topic prefix
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//TODO: Should be checking the topic prefix
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//if (strcmp(str, MY_MQTT_SUBSCRIBE_TOPIC_PREFIX) != 0) {
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if (strcmp(str, MY_MQTT_SUBSCRIBE_TOPIC_PREFIX) != 0) {
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// Message not for us or malformed!
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// return;
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//}
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return false;
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}
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break;
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}
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case 1: {
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@@ -153,29 +152,41 @@ void protocolMQTTParse(MyMessage &message, char* topic, uint8_t* payload, unsign
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case 5: {
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// Sub type
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message.type = atoi(str);
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// Add payload
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if (command == C_STREAM) {
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blen = 0;
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uint8_t val;
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while (*payload) {
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val = protocolH2i(*payload++) << 4;
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val += protocolH2i(*payload++);
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bvalue[blen] = val;
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blen++;
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}
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message.set(bvalue, blen);
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} else {
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char* ca;
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ca = (char *) payload;
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ca += length;
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*ca = '\0';
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message.set((const char*) payload);
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}
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break;
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}
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}
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i++;
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}
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if (i != 6)
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return false;
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message.sender = GATEWAY_ADDRESS;
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message.last = GATEWAY_ADDRESS;
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mSetAck(message, false);
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// Add payload
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if (command == C_STREAM) {
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blen = 0;
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uint8_t val;
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while (*payload) {
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val = protocolH2i(*payload++) << 4;
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val += protocolH2i(*payload++);
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bvalue[blen] = val;
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blen++;
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}
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message.set(bvalue, blen);
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} else {
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char* ca;
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ca = (char *) payload;
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ca += length;
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*ca = '\0';
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message.set((const char*) payload);
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}
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return true;
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}
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#endif
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uint8_t protocolH2i(char c) {
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uint8_t i = 0;
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@@ -187,5 +198,3 @@ uint8_t protocolH2i(char c) {
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i += c - 'A' + 10;
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return i;
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}
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