/**
@brief Writes the current network configuration to non-volatile storage
@private
*/
void gs_api_writeNetworkConfig(void) {
// Try to save the network information
//if (!GS_HAL_store_data(NETWORK_SAVE_ADDRESS, (void*) &apiNetworkConfig,
// sizeof(apiNetworkConfig))) {
GS_API_Printf("Network save failed");
//}
}
/**
@brief AtCmdLib calls this function for all incoming data
@param cid Incoming data connection ID
@param rxData Incoming data value
*/
void App_ProcessIncomingData(uint8_t cid, uint8_t rxData) {
// Check for and call handler for incoming CID and Data
if(cid < CID_COUNT && cidDataHandlers[cid])
cidDataHandlers[cid](cid, rxData);
else
GS_API_Printf("RX Data with no handler for cid %d\r\n", cid);
}
void GS_API_CheckForData(void){
uint8_t rxData;
/* Read one byte at a time - Use non-blocking call */
while (GS_HAL_recv(&rxData, 1, 0)) {
/* Process the received data */
switch(AtLib_ReceiveDataProcess(rxData)){
case HOST_APP_MSG_ID_TCP_SERVER_CLIENT_CONNECTION:
{
uint8_t cidServerStr[] = " ";
uint8_t cidClientStr[] = " ";
uint8_t cidServer = GS_API_INVALID_CID;
uint8_t cidClient = GS_API_INVALID_CID;
if(AtLib_ParseTcpServerClientConnection((char *)cidServerStr, (char *)cidClientStr, tcpServerClientIp, tcpServerClientPort)){
cidServer = gs_api_parseCidStr(cidServerStr);
cidClient = gs_api_parseCidStr(cidClientStr);
gs_api_setCidDataHandler(cidClient, gs_api_getCidDataHandler(cidServer));
}
GS_API_Printf("TCP Server Client Connection %d, %d, %s, %s\r\n", cidServer, cidClient, tcpServerClientIp, tcpServerClientPort);
}
break;
case HOST_APP_MSG_ID_RESPONSE_TIMEOUT:
case HOST_APP_MSG_ID_NONE:
// Do nothing
break;
default:
break;
}
}
}
/**
@brief Checks for a OK response to a command
@private
@param msg Message returned by command sent to Gainspan module
@return true if command response was OK, false if not
*/
static bool gs_api_handle_cmd_resp(HOST_APP_MSG_ID_E msg) {
if (msg != HOST_APP_MSG_ID_OK) {
GS_API_Printf("CMD ERR %d", msg);
return false;
} else {
return true;
}
}
/**
@brief Parses command sent to TCP server
This method will act upon the command sent to the TCP server, and send a response to the
client that made the request to notify if the command was recognized or not.
@private
*/
static void gs_example_tcp_handle_command(void){
switch(commandToHandle){
case TCP_NO_CMD:
// Nothing to do
break;
case START_TCP_CLIENT:
// Acknowledge command and start TCP client
GS_API_SendTcpData(commandCID, TCP_COMMAND_ACK_STR, (sizeof(TCP_COMMAND_ACK_STR) - 1));
gs_example_start_tcp_client(value1, value2);
break;
case STOP_TCP_CLIENT:
// Acknowledge command and stop TCP client
GS_API_SendTcpData(commandCID, TCP_COMMAND_ACK_STR, (sizeof(TCP_COMMAND_ACK_STR) - 1));
GS_API_CloseConnection(tcpClientCID);
tcpClientCID = GS_API_INVALID_CID;
break;
case TCP_FIRMWARE_UPGRADE:
// Acknowledge command and attempt firmware update
GS_API_SendTcpData(commandCID, TCP_COMMAND_ACK_STR, (sizeof(TCP_COMMAND_ACK_STR) - 1));
if(GS_API_UpdateFirmware((char*)value1, (char*)value2, (char*)value3, (char*)value4, (char*)value5)){
GS_API_Printf("Firmware Updated");
GS_Example_stop_tcp_task();
firmwareUpdated = true;
} else {
GS_API_Printf("Firmware Update Failed");
firmwareUpdated = true;
}
break;
default:
// Unknown command, send not ok and print the unrecognized command
GS_API_Printf((char*)line);
GS_API_SendTcpData(commandCID, TCP_COMMAND_NAK_STR, (sizeof(TCP_COMMAND_NAK_STR) - 1));
break;
}
// Clear the command so we don't act on it again
commandToHandle = TCP_NO_CMD;
}
/**
@brief Starts a TCP client to connect to the specified server
Tries to connect using TCP to the IP and port passed in.
@private
@param serverIp IP of TCP server to connect to
@param serverPort port of TCP server to connect to
*/
static void gs_example_start_tcp_client(uint8_t* serverIp, uint8_t* serverPort){
// Check to see if we are already connected
if(tcpClientCID != GS_API_INVALID_CID){
GS_API_Printf("TCP Client Already Started");
return;
}
// We're not connected, so lets create a TCP client connection
tcpClientCID = GS_API_CreateTcpClientConnection((char*)serverIp, (char*)serverPort, gs_example_handle_tcp_client_data);
// Now lets send data for the first time
gs_example_send_tcp_client_data();
}
/** Public Method Implmentation **/
void GS_Example_start_tcp_task(void){
// Reset all variables
memset(tcpServerClientCids, GS_API_INVALID_CID, sizeof(tcpServerClientCids));
tcpServerCID = GS_API_INVALID_CID;
commandToHandle = TCP_NO_CMD;
commandCID = GS_API_INVALID_CID;
firmwareUpdated = false;
// Create the TCP Server connection
tcpServerCID = GS_API_CreateTcpServerConnection(TCP_SERVER_PORT, gs_example_handle_tcp_server_data);
if(tcpServerCID != GS_API_INVALID_CID){
GS_API_Printf("TCP PORT: %s", TCP_SERVER_PORT);
}
}
/**
@brief Reads the network configuration from non-volatile storage
@private
*/
void gs_api_readNetworkConfig(void) {
// Try to read the saved network information
// if (!GS_HAL_read_data(NETWORK_SAVE_ADDRESS, (void*) &apiNetworkConfig,
// sizeof(apiNetworkConfig))) {
GS_API_Printf("No Saved Network");
// Set default data here
memcpy(apiNetworkConfig.ssid, DEFAULT_SSID, sizeof(DEFAULT_SSID));
memcpy(apiNetworkConfig.channel, DEFAULT_CHANNEL,
sizeof(DEFAULT_CHANNEL));
memcpy(apiNetworkConfig.dhcpEnabled, DEFAULT_DHCP_ENABLE,
sizeof(DEFAULT_DHCP_ENABLE));
memcpy(apiNetworkConfig.security, DEFAULT_SECURITY,
sizeof(DEFAULT_SECURITY));
//}
}
/**
@brief Sends periodic temperature using TCP client connection
@private
*/
static void gs_example_send_tcp_client_data(){
static uint8_t temperatureStr[] = TCP_CLIENT_DATA_STR;
// Check for a valid connection and timer interval
if(tcpClientCID != GS_API_INVALID_CID && MSTimerDelta(tcpClientSentTime) > TCP_CLIENT_SEND_INTERVAL ){
// Format string with temperature
sprintf((char*)temperatureStr, TCP_CLIENT_DATA_STR, GS_Example_GetTemperature());
// Try to send the temperature string
if(!GS_API_SendTcpData(tcpClientCID, temperatureStr, sizeof(TCP_CLIENT_DATA_STR) - 1)){
// Sending failed, disable this connection ID
tcpClientCID = GS_API_INVALID_CID;
GS_API_Printf("Send TCP Data failed");
}
// Reset sending interval
tcpClientSentTime = MSTimerGet();
}
}
void GS_API_PrintNetworkInfo(void){
GS_API_Printf("Network Info");
GS_API_Printf("SSID: %s", apiNetworkConfig.ssid);
GS_API_Printf("Channel: %s", apiNetworkConfig.channel);
}
bool GS_API_PollProvisioningResponse(void){
if(AtLib_ResponseHandleNoBlock() != HOST_APP_MSG_ID_NONE){
// Get the provisioning data
HOST_APP_NETWORK_CONFIG_T networkConfig;
memset(&networkConfig, 0, sizeof(networkConfig));
if (AtLib_ParseProvisionResponse(&networkConfig)) {
// Print the Provisioning Network Options
GS_API_Printf(networkConfig.ssid);
GS_API_Printf(networkConfig.channel);
GS_API_Printf(networkConfig.mode);
GS_API_Printf(networkConfig.security);
GS_API_Printf(networkConfig.dhcpEnabled);
GS_API_Printf(networkConfig.passphrase);
GS_API_Printf(networkConfig.wepKey);
GS_API_Printf(networkConfig.wepId);
GS_API_Printf(networkConfig.connType);
GS_API_Printf(networkConfig.staticIp);
GS_API_Printf(networkConfig.subnetMask);
GS_API_Printf(networkConfig.gatewayIp);
GS_API_Printf(networkConfig.autoDnsEnabled);
GS_API_Printf(networkConfig.primaryDns);
GS_API_Printf(networkConfig.secondaryDns);
// Save the network configuration to non volatile storage
memcpy(&apiNetworkConfig, &networkConfig, sizeof(apiNetworkConfig));
//gs_api_writeNetworkConfig();
return true;
}
}
return false;
}
