Mike Fruge
Firmware for Raw 1-Wire Interface
Dependencies: mbed OneWire max32630fthr USBDevice
Diff: main.cpp
- Revision:
- 0:06aa90721d89
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Aug 13 14:49:35 2019 +0000
@@ -0,0 +1,779 @@
+/*******************************************************************************
+* Copyright (C) Maxim Integrated Products, Inc., All rights Reserved.
+*
+* This software is protected by copyright laws of the United States and
+* of foreign countries. This material may also be protected by patent laws
+* and technology transfer regulations of the United States and of foreign
+* countries. This software is furnished under a license agreement and/or a
+* nondisclosure agreement and may only be used or reproduced in accordance
+* with the terms of those agreements. Dissemination of this information to
+* any party or parties not specified in the license agreement and/or
+* nondisclosure agreement is expressly prohibited.
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+* OTHER DEALINGS IN THE SOFTWARE.
+*
+* Except as contained in this notice, the name of Maxim Integrated
+* Products, Inc. shall not be used except as stated in the Maxim Integrated
+* Products, Inc. Branding Policy.
+*
+* The mere transfer of this software does not imply any licenses
+* of trade secrets, proprietary technology, copyrights, patents,
+* trademarks, maskwork rights, or any other form of intellectual
+* property whatsoever. Maxim Integrated Products, Inc. retains all
+* ownership rights.
+*******************************************************************************
+*/
+
+
+
+/* Included Libraries */
+#include "mbed.h"
+#include "OneWire.h"
+#include "max32630fthr.h"
+#include "USBSerial.h"
+#include "string"
+#include "sstream"
+#include "vector"
+
+
+/* Define Constants */
+#define BUF_SIZE_BYTES 1024
+
+#define STRING_DATA_BEGIN 3
+#define BYTES_IN_ROM_ID 8
+#define SCRATCHPAD_WRITE_BYTES 3
+
+#define ALARM_SEARCH_CMD 0xEC
+
+/* Define the Flags */
+#define USB_RECEIVED_FLAG 0x00000002
+
+using namespace OneWire;
+using namespace RomCommands;
+using namespace std;
+
+
+/****************** Global Variables ******************/
+
+float VersionNumber = 1.01;
+
+/* Buffer for what is read in from Serial */
+string InitComp = "INIT";
+string ReadBuffer = "";
+bool StringReceived = false;
+bool OutputRomID;
+int CmdData;
+
+
+/* Flag variable used for interrupts */
+uint32_t int_flag;
+uint32_t cmd_flag;
+
+/* Set up and configure lights */
+DigitalOut rLED(LED1, LED_OFF);
+DigitalOut gLED(LED2, LED_OFF);
+DigitalOut bLED(LED3, LED_OFF);
+
+/* Set up virtual Serial Port */
+USBSerial microUSB;
+
+/* One Wire Master pointer and CmdResult */
+MCU_OWM* owm_ptr;
+vector<RomId> RomIDs;
+int DeviceCount;
+int mostRecentIdx;
+SearchState search_state;
+
+OneWireMaster::OWLevel NextLevel;
+OneWireMaster::OWLevel CurrLevel;
+OneWireMaster::OWSpeed NextSpeed;
+OneWireMaster::OWSpeed CurrSpeed;
+
+
+/* Error Messages */
+string ROM_Error = "Not a recognized ROM command";
+string Speed_Error = "Not a recognized Speed command";
+string Pullup_Error = "Cannot configure Pullup";
+string RW_Error = "Cannot parse R/W string";
+
+
+/************** Function Definitions ***************/
+
+/**
+* @brief Sets flag for main to process DataIn from USB Serial Port
+* @version 1.0
+* @post Sets bit in int_flag
+*****************************************************************************/
+void USB_Received();
+
+/**
+* @brief Processes the data recieved through the serial port and calls the corresponding One Wire functions
+* @param[in] cmd: The string containing the data read from the serial port
+* @param[in] owm: Pointer to the OneWireMaster object that preforms the operations
+* @version 1.0
+* @notes Requires 'string' and 'OneWire.h'
+* @pre owm must be initialized and cmd must not be 'null'
+* @post Depending on specific contents of cmd, could change:
+ OutputRomID, RomIDs, search_state, NextLevel, CurrLevel, NextSpeed, CurrSpeed
+*****************************************************************************/
+void Parse_and_Execute(string cmd, MCU_OWM* owm);
+
+/**
+* @brief Converts a string to a uint8_t
+* @version 1.0
+* @param[in] _string: String containing characters '0'-'9' to be converted
+* @param[out] The equivalent value of the string
+*****************************************************************************/
+uint8_t StringtoDecimal(string _string);
+
+/**
+* @brief Initializes the owm to be used, cycles red LED if not able to initialize
+* @version 1.0
+* @param[in] owm: OneWireMaster structure to be initialized
+*****************************************************************************/
+void OWM_Initialize(MCU_OWM owm);
+
+/**
+* @brief Searches the bus for any one wire devices on the bus
+* @version 1.0
+* @param[in/out] owm: Reference to owm to conduct the search
+* @param[in/out] search_state: SearchState structure to use to conduct the search
+* @param[out] Returns the result of the command
+* @post Populates the RomIDs vector with the RomID of every device on the bus
+* @notes Requires 'OneWire.h'
+*****************************************************************************/
+OneWireMaster::CmdResult FindAllRomIDs(MCU_OWM & owm, SearchState &search_state);
+
+/**
+* @brief Conducts an AlarmSearch on the devices on the bus
+* @version 1.0
+* @param[in/out] owm: Reference to owm to conduct the search
+* @param[in/out] search_state: SearchState structure to use to conduct the search
+* @param[out] Returns the result of the command
+* @notes Requires 'OneWire.h'
+*****************************************************************************/
+OneWireMaster::CmdResult AlarmSearchBus(MCU_OWM &owm, SearchState &search_state);
+
+
+
+int main()
+{
+ /* Initialize the Board */
+ MAX32630FTHR feather;
+ feather.init(MAX32630FTHR::VIO_3V3);
+
+ /* Initialize OWM and other OWM related variables */
+ MCU_OWM owm(false, true);
+ OWM_Initialize(owm);
+ NextLevel = OneWireMaster::NormalLevel;
+ NextSpeed = OneWireMaster::StandardSpeed;
+ owm.OWSetLevel(NextLevel);
+ owm.OWSetSpeed(NextSpeed);
+ CurrLevel = NextLevel;
+ CurrSpeed = NextSpeed;
+ search_state.reset();
+
+ DeviceCount = 0;
+
+ bool InitReceived = false;
+
+ /* Initialize Serial Interface */
+ microUSB.attach(&USB_Received);
+
+ /* Temporary Variable Storage */
+ volatile char BufIn;
+
+ while(1) {
+ if(!int_flag) {
+ // Go to sleep
+ }
+
+ /* Get from USB into Buffer */
+ if(int_flag & USB_RECEIVED_FLAG) {
+ int_flag &= !(USB_RECEIVED_FLAG);
+
+ while(microUSB.readable()) {
+ BufIn = microUSB.getc();
+ if(BufIn == '\r' || BufIn == '\0' || BufIn == '\n') {
+ StringReceived = true;
+ gLED = !gLED;
+ /* Detects the GUI initialization, resets the Firmware to keep it in sync */
+ if(ReadBuffer == InitComp){
+ microUSB.printf("Version %f\r\n", VersionNumber);
+ InitReceived = true;
+ owm.OWSetLevel(OneWireMaster::NormalLevel);
+ owm.OWSetSpeed(OneWireMaster::StandardSpeed);
+ search_state.reset();
+ RomIDs.clear();
+ gLED = LED_ON;
+ rLED = LED_OFF;
+ bLED = LED_OFF;
+ }
+ }
+ if(!StringReceived) {
+ ReadBuffer += BufIn;
+ }
+ }
+
+ /* String is now in Buffer */
+ StringReceived = false;
+
+ if(!InitReceived){
+ Parse_and_Execute(ReadBuffer, &owm);
+ }
+ ReadBuffer ="";
+ bLED = !bLED;
+ InitReceived = false;
+ }
+ }
+
+ return 0;
+}
+
+
+/***************** Functions ********************/
+
+void USB_Received()
+{
+ int_flag |= USB_RECEIVED_FLAG;
+}
+
+void Parse_and_Execute(string cmd, MCU_OWM* _owm)
+{
+ /* Variable Declarations */
+ string::iterator i;
+ string temp = "";
+ string c;
+ char ch;
+ string RomIDstr;
+ string CmdResponse;
+ uint8_t num;
+ uint32_t word;
+ char* strend;
+ long int hex_val;
+ int j;
+ int k;
+ bool Read_Ret = false;
+ bool RomID_Ret = false;
+ uint8_t Scratchpad_Data [SCRATCHPAD_WRITE_BYTES];
+ uint8_t ReadBytes[BUF_SIZE_BYTES];
+ uint8_t ReadCount = 0;
+ RomId romId;
+ bool AddROM = false;
+ bool AlarmSearch = false;
+ size_t strpos = 0;
+ vector<bool> RomIDMatches(RomIDs.size(), true);
+
+ MCU_OWM* owm = _owm;
+ OneWireMaster::CmdResult result;
+
+ /* Initialize result to Fail */
+ result = OneWireMaster::OperationFailure;
+
+ i=cmd.begin();
+/* Decode the commands based on 'Family Code' and parse the data */
+ switch(*i)
+ {
+ /* ROM commands */
+ case 'R':
+ //microUSB.printf("1: ROM command \r\n");
+ i++;
+ switch(*i)
+ {
+ case 'M':
+// microUSB.printf("2: Match ROM command \r\n");
+ i++;
+ if( *i == 'T')
+ {
+ RomIDstr = cmd.substr(3); // Obtains the string after the 3 CMD characters (The ROM ID we are looking for)
+ if(RomIDstr == ""){
+ microUSB.printf("Please select a Rom ID from the Devices on the Bus\r\n");
+ break;
+ }
+
+ for(j=0; j<BYTES_IN_ROM_ID; j++){
+ strpos = 2*j;
+ temp = RomIDstr.substr(strpos, 2);
+ num = strtol(temp.c_str(), &strend, 16);
+ for(k=0; k<RomIDs.size(); k++){
+ // First, check to make sure that the RomID we are checking still matches
+ if(!RomIDMatches[k]){
+ break;
+ }
+ // If the byte in num does not match the byte in the RomID, set the corresponding index in 'matches' to false
+ if(num != RomIDs[k].buffer[(BYTES_IN_ROM_ID - 1) - j]){
+ RomIDMatches[k] = false;
+ break;
+ }
+ }
+ }
+ j=0; // Reset the loop variables
+ k=0;
+ // Now, there should only be 1 or 0 'true' values in RomIDMatches, so use that index for the MatchROM
+ while(!RomIDMatches[j] && j<RomIDs.size()){
+ j++;
+ }
+ // Now we have determined that the jth index of the RomIDs vector contains the RomID given by the user,
+ romId = RomIDs[j];
+ result = OWMatchRom(*owm, romId);
+ CmdResponse = "Match ROM";
+ RomID_Ret = true;
+ ReadCount = BYTES_IN_ROM_ID;
+ }
+ break;
+
+ case 'O':
+ //its an OVERDRIVE command
+ i++;
+ switch(*i)
+ {
+ case 'M':
+ RomIDstr = cmd.substr(3); // Obtains the string after the 3 CMD characters (The ROM ID we are looking for)
+ if(RomIDstr == ""){
+ microUSB.printf("Please select a Rom ID from the Devices on the Bus\r\n");
+ break;
+ }
+ for(j=0; j<BYTES_IN_ROM_ID; j++){
+ strpos = 2*j;
+ temp = RomIDstr.substr(strpos, 2);
+ num = strtol(temp.c_str(), &strend, 16);
+ for(k=0; k<RomIDs.size(); k++){
+ // First, check to make sure that the RomID we are checking still matches
+ if(!RomIDMatches[k]){
+ break;
+ }
+ // If the byte in num does not match the byte in the RomID, set the corresponding index in 'matches' to false
+ if(num != RomIDs[k].buffer[(BYTES_IN_ROM_ID - 1) - j]){
+ RomIDMatches[k] = false;
+ break;
+ }
+ }
+ }
+ j=0; // Reset the loop variables
+ k=0;
+ // Now, there should only be 1 or 0 'true' values in RomIDMatches, so use that index for the MatchROM
+ while(!RomIDMatches[j] && j<RomIDs.size()){
+ j++;
+ }
+ // Now we have determined that the jth index of the RomIDs vector contains the RomID given by the user,
+ romId = RomIDs[j];
+ result = OWOverdriveMatchRom(*owm, romId);
+ CmdResponse = "Overdrive Match ROM";
+ RomID_Ret = true;
+ ReadCount = BYTES_IN_ROM_ID;
+ break;
+
+ case 'S':
+// microUSB.printf("3: Its an OD Skip ROM\r\n");
+ result = OWOverdriveSkipRom(*owm);
+ CmdResponse = "Overdrive Skip ROM";
+ break;
+
+ default:
+ microUSB.printf("%s \r\n", ROM_Error.c_str());
+ break;
+ }
+ break;
+
+ case 'R':
+ // It's a Resume OR ReadROM
+// microUSB.printf("2: Res or Read ROM command \r\n");
+ i++;
+ switch(*i) {
+ case 'D':
+// microUSB.printf("3: Its a Read ROM\r\n");
+ result = OWReadRom(*owm, romId);
+ RomID_Ret = true;
+ ReadCount = 8;
+ CmdResponse = "Read ROM";
+ break;
+ case 'S':
+// microUSB.printf("3: Its a Resume\r\n");
+ result = OWResume(*owm);
+ CmdResponse = "Resume";
+ break;
+ case 'I':
+ /* Preforms a search finidng all devices on the bus */
+ result = FindAllRomIDs(*owm, search_state);
+ CmdResponse = "Standard Search";
+ break;
+ default:
+ microUSB.printf("%s \r\n", ROM_Error.c_str());
+ break;
+ }
+ break;
+
+ case 'S':
+ // It's a Search rom (f or n) OR a SkipROM
+// microUSB.printf("2: Search or skip ROM command \r\n");
+ i++;
+ switch(*i) {
+ case 'K':
+// microUSB.printf("3: Skip-ROM issued\r\n");
+ result = OWSkipRom(*owm);
+ CmdResponse = "Skip ROM";
+ break;
+
+ default:
+ microUSB.printf("%s \r\n", ROM_Error.c_str());
+ break;
+ }
+ break;
+
+ case 'A':
+ // It's an alarm search
+ i++;
+ if(*i == 'S'){
+ result = AlarmSearchBus(*owm, search_state);
+ CmdResponse = "Alarm Search";
+ }
+ else{
+ microUSB.printf(" %s \r\n", ROM_Error.c_str());
+ }
+ break;
+
+ default:
+ microUSB.printf("%s \r\n", ROM_Error.c_str());
+ break;
+ }
+ break;
+
+ case 'S':
+// microUSB.printf("1: Speed command \r\n");
+ // it is a speed command
+ i++;
+ switch(*i) {
+ case 'N':
+ NextSpeed = OneWireMaster::StandardSpeed;
+// microUSB.printf("2: Standard Speed command issued\r\n");
+ if(CurrSpeed == NextSpeed) {
+ microUSB.printf("Already in Standard Speed Mode \r\n");
+ result = OneWireMaster::Success;
+ } else {
+ result = owm->OWSetSpeed(NextSpeed);
+ CurrSpeed = NextSpeed;
+ CmdResponse = "Normal Speed";
+ }
+ break;
+ case 'O':
+ NextSpeed = OneWireMaster::OverdriveSpeed;
+// microUSB.printf("2: Overdrive speed command issued\r\n");
+ if(CurrSpeed == NextSpeed) {
+ microUSB.printf("Already in Overdrive Speed Mode\r\n");
+ result = OneWireMaster::Success;
+ } else {
+ result = owm->OWSetSpeed(NextSpeed);
+ CurrSpeed = NextSpeed;
+ CmdResponse = "Overdrive Speed";
+ }
+ break;
+ default:
+ microUSB.printf("%s \r\n", Speed_Error.c_str());
+ break;
+ }
+ break;
+
+ case 'W':
+ // it is a R/W cmd
+ i++;
+ switch(*i) {
+
+ case 'R':
+ // Its a read cmd
+ i++;
+ switch(*i) {
+ case 'I':
+ // Read single bit command
+ result = owm->OWTouchBitSetLevel(*ReadBytes, CurrLevel);
+ Read_Ret = true;
+ ReadCount = 1;
+ CmdResponse = "Read Bit";
+ break;
+
+ case 'Y':
+ // Read X Bytes
+// microUSB.printf("3: Read byte command \r\n");
+ /* Extract the data from the CMD string */
+ temp = cmd.substr(3);
+ /* Convert the string to the corresponding int */
+ ReadCount = StringtoDecimal(temp);
+ result = owm->OWReadBlock(ReadBytes, (size_t)ReadCount);
+ Read_Ret = true;
+ CmdResponse = "Read " + temp + " Bytes";
+ break;
+
+ default:
+ microUSB.printf("%s \r\n", RW_Error.c_str());
+ break;
+ }
+ break;
+
+ case 'W':
+ // Its a write command
+// microUSB.printf("2: Write Command\r\n");
+ i++;
+ switch(*i) {
+ case 'I':
+// microUSB.printf("3:Write bit command \r\n");
+ //Write a single bit
+ i++;
+ c = *i; // Get the 1/0 needed as a string
+ //microUSB.printf("The string obtained is: '%s' and it has 0x%02X characters\r\n", c, c.length());
+ num = StringtoDecimal(c); //convert to decimal
+// microUSB.printf("Issuing a Write %d command\r\n", num);
+ result = owm->OWTouchBitSetLevel(num, CurrLevel);
+ CmdResponse = "Write Bit";
+ break;
+
+ case 'Y':
+ // Write multiple bytes
+// microUSB.printf("3:Write Byte command \r\n");
+ temp = cmd.substr(3);
+
+ if((temp.length()%2) != 0){
+ microUSB.printf("Please enter a Byte Alligned Value\r\n");
+ return;
+ }
+
+ /* Throws an error and returns if input is not formatted correctly */
+ for(j=0; j<temp.length(); j++){
+ ch= temp[j];
+
+ if((ch < '0' || ch > '9') && (ch < 'A' || ch > 'F')){
+ microUSB.printf("Please ensure that you enter hex values\r\n");
+ return;
+ }
+ }
+
+ for(j=0; j<(temp.length()+1)/2; j++){
+ strpos = 2*j;
+ c = temp.substr(strpos, 2);
+ hex_val = strtol(c.c_str(), &strend, 16);
+ num = (uint8_t) hex_val;
+ Scratchpad_Data[j] = num;
+ }
+ microUSB.printf("Wrote '0x%s'\r\n", temp);
+ result = owm->OWWriteBlock(Scratchpad_Data, (temp.length()+1)/2);
+ CmdResponse = "Write";
+ break;
+ default:
+ microUSB.printf("Unrecognized Command\r\n");
+ break;
+ }
+ break;
+ }
+ break;
+
+ case 'P':
+// microUSB.printf("1: Power command \r\n");
+ i++;
+ switch(*i) {
+ case 'N':
+// microUSB.printf("2: Normal PWR command \r\n");
+ i++;
+ if(*i == 'O') {
+// microUSB.printf("3: Further Normal PWR command \r\n");
+ NextLevel = OneWireMaster::NormalLevel;
+ if(NextLevel == CurrLevel) {
+ microUSB.printf("Normal Power\r\n");
+ } else {
+ microUSB.printf("Normal Power\r\n");
+ result = owm->OWSetLevel(NextLevel);
+ CurrLevel = NextLevel;
+ CmdResponse = "Normal Power";
+ }
+ }
+
+ else microUSB.printf("Unrecognizable\r\n");
+ break;
+
+ case 'W':
+ // Strong pullup after writing...
+// microUSB.printf("2: Power Write command \r\n");
+ i++;
+ if(NextLevel == OneWireMaster::StrongLevel) {
+ microUSB.printf("Already in Strong Pull-Up Mode\r\n");
+ result = OneWireMaster::Success;
+ break;
+ }
+ NextLevel = OneWireMaster::StrongLevel;
+ switch(*i) {
+ case 'I':
+// microUSB.printf("3: Power Write bit command \r\n");
+ temp = cmd.substr(3);
+ num = atoi(temp.c_str());
+ if(temp == "1" || temp == "0") {
+ //microUSB.printf("Issuing strong Pullup after writing %d \r\n", num);
+ result = owm->OWWriteBitPower(num);
+ microUSB.printf("Switching to Strong Pull-Up Mode\r\n");
+ CurrLevel = NextLevel;
+ CmdResponse = "Strong Pullup After Writing Bit";
+ microUSB.printf("Wrote '0x%s'\r\n", temp);
+ }
+ else {
+ microUSB.printf("Incorrect formatting error. Decoded data as 0x%02X, expecting 1 or 0 \r\n", num);
+ }
+ break;
+
+ case 'Y':
+
+// microUSB.printf("3: Issuing Strong Pullup after writing Byte\r\n");
+ temp = cmd.substr(3);
+ hex_val = strtol(temp.c_str(), &strend, 16);
+
+ result = owm->OWWriteByteSetLevel(hex_val, NextLevel);
+ microUSB.printf("Switching to Strong Power Mode\r\n");
+ CurrLevel = NextLevel;
+ CmdResponse = "Strong Pullup After Writing Byte";
+ microUSB.printf("Wrote '%s'\r\n", temp);
+ break;
+
+ default:
+ microUSB.printf("Could not identify that command\r\n");
+ break;
+ }
+ break;
+ default:
+ microUSB.printf("%s\r\n", Pullup_Error.c_str());
+ }
+ break;
+ case 'Z':
+ result = owm->OWReset();
+ CmdResponse = "Reset";
+ break;
+
+ default:
+ microUSB.printf("Cannot Parse Command\r\n");
+ break;
+ } // End of switch
+
+ /* For loop to print out the 8 byte Rom ID and add it to the 'RomIDs' vector*/
+ if(RomID_Ret && result == OneWireMaster::Success) {
+ /* Flag to add to vector or not */
+ AddROM = true;
+
+ /* Printing */
+ microUSB.printf("RomID: ");
+ for(j=ReadCount-1; j>=0; j--) {
+ microUSB.printf("%02X ",romId.buffer[j]);
+ }
+ microUSB.printf("\r\n");
+
+ /* Add the Rom ID to the vector if not in there already, and update the most recent RomID index used */
+ for(j=0; j<RomIDs.size(); j++){
+ if(RomIDs[j] == romId){
+ AddROM = false;
+ mostRecentIdx = j;
+ break;
+ }
+ }
+
+ if(AddROM){
+ /* If we need to add the RomID to the vector, that means it was the most recent one that was used/found, so update the mostRecentIdx */
+ RomIDs.push_back(romId);
+ mostRecentIdx = RomIDs.size() - 1;
+ microUSB.printf("Added RomID to array\r\n");
+ }
+
+ if(search_state.last_device_flag && AddROM && !AlarmSearch){
+ microUSB.printf("Obtained RomID's for all devices on the bus\r\n");
+ }
+ }
+
+ /*Return bytes that were read from the device */
+ if(Read_Ret && result == OneWireMaster::Success) {
+ microUSB.printf("Result: ");
+ for(j=0; j<ReadCount; j++) {
+ microUSB.printf("%02X ",ReadBytes[j]);
+ }
+ microUSB.printf("\r\n");
+ }
+
+ if(result == OneWireMaster::Success) {
+ microUSB.printf("The %s was successful\r\n", CmdResponse);
+ } else if (result == OneWireMaster::CommunicationWriteError){
+ microUSB.printf("Command not issued, Communication Write Error\r\n");
+ } else if (result == OneWireMaster::CommunicationReadError){
+ microUSB.printf("Command not issued, Communication Read Error\r\n");
+ } else if (result == OneWireMaster::TimeoutError) {
+ microUSB.printf("The device timed out before the command could be issued\r\n");
+ } else {
+ microUSB.printf("Operation Failed\r\n");
+ }
+}
+
+
+uint8_t StringtoDecimal(string _string) {
+ uint8_t number;
+ number = atoi(_string.c_str());
+ return number;
+}
+
+void OWM_Initialize(MCU_OWM owm) {
+ rLED = LED_ON;
+ OneWireMaster::CmdResult result = owm.OWInitMaster();
+ while(result != OneWireMaster::Success) {
+ microUSB.printf("Failed to init OWM...\r\n\r\n");
+ result = owm.OWInitMaster();
+ wait(0.5);
+ rLED = !rLED;
+ }
+ rLED = LED_OFF;
+}
+
+
+OneWireMaster::CmdResult AlarmSearchBus(MCU_OWM & owm, SearchState & search_state){
+ int numAlarms = 0;
+ RomId RetRom;
+ OneWireMaster::CmdResult res;
+ search_state.reset();
+ while(!search_state.last_device_flag){
+ res = OWAlarmSearch(owm, search_state);
+ if(res == OneWireMaster::Success){
+ numAlarms++;
+ RetRom = search_state.romId;
+ microUSB.printf("Active Alarms: ");
+ for(int j=BYTES_IN_ROM_ID-1; j>=0; j--) {
+ microUSB.printf("%02X ",RetRom.buffer[j]);
+ }
+ microUSB.printf("\r\n");
+ }
+ }
+ return res;
+}
+
+
+
+OneWireMaster::CmdResult FindAllRomIDs(MCU_OWM & owm, SearchState &search_state){
+ int numDevices = 0;
+ RomId romId;
+ OneWireMaster::CmdResult res;
+
+ RomIDs.clear();
+ search_state.reset();
+
+ /* Identify next Device on the bus, and print out its ROM ID so GUI can parse it, and add it to the FW array */
+ while(!search_state.last_device_flag){
+ res = OWSearch(owm, search_state);
+ if(res == OneWireMaster::Success){
+ numDevices++;
+ romId = search_state.romId;
+ microUSB.printf("RomID: ");
+ for(int j=BYTES_IN_ROM_ID-1; j>=0; j--) {
+ microUSB.printf("%02X ",romId.buffer[j]);
+ }
+ microUSB.printf("\r\n");
+ RomIDs.push_back(romId);
+ }
+ }
+ return res;
+}