Diff: main.cpp

Revision:

0:24b8a6f0a563

Child:

1:03c04017a728

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jul 29 06:46:54 2016 +0000
@@ -0,0 +1,320 @@
+/**********************************************************************
+* Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* 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.
+**********************************************************************/
+
+#include "mbed.h"
+#include "ds3231.h"
+#include "MAX4822.h"
+#include "MAX11300.h"
+#include "Terminal.h"
+#include "OneWire.h"
+
+using namespace OneWire;
+using namespace RomCommands;
+
+void set_rtc(Terminal & term, Ds3231 & rtc);
+void get_time_date(Terminal & term, Ds3231 & rtc);
+void search_ow_bus(Terminal & term, DS2484 & owm);
+void print_rom_id(Terminal & term, RomId & romId);
+
+int main(void)
+{
+    Terminal term(USBTX, USBRX);
+    term.baud(57600);
+    term.cls();
+    term.home();
+    term.printf("Starting Demo\n");
+    
+    SPI spi_bus(D11, D12, D13);
+    MAX4822 rly_drvr(spi_bus, D10);
+    DigitalOut rly_drvr_set(D7, 1);
+    DigitalOut rly_drvr_reset(D6, 1);
+    
+    rly_drvr.reset_all_relays(rly_drvr_reset);
+    
+    MAX11300 pixi(spi_bus, D8);
+    
+    //set all analog outs to 0
+    for(uint8_t idx = 0; idx < 9; idx++)
+    {
+        pixi.single_ended_dac_write(static_cast<MAX11300::MAX11300_Ports>(idx), 0);
+    }
+    
+    //ensure latching relays are reset 
+    for(uint8_t idx = 0; idx < 3; idx++)
+    {
+        pixi.gpio_write(static_cast<MAX11300::MAX11300_Ports>(idx + 9), 1);
+        wait_ms(100);
+        pixi.gpio_write(static_cast<MAX11300::MAX11300_Ports>(idx + 9), 0); 
+    }
+    
+    I2C i2c_bus(D14, D15);
+    i2c_bus.frequency(400000);
+    
+    Ds3231 rtc(i2c_bus);
+    
+    DS2484 owm(i2c_bus);
+    OneWireMaster::CmdResult owm_result = owm.OWInitMaster();
+    while(owm_result != OneWireMaster::Success)
+    {
+        wait_ms(100);
+        term.printf("Failed to initialize OneWire master\n");
+        owm_result = owm.OWInitMaster();
+    }
+    term.printf("OneWire master initialized\n\n");
+    
+    int32_t user_entry = 0;
+    int32_t relay = 0;
+    
+    uint16_t analog_out, analog_val;
+    
+    const int32_t QUIT = 14;
+    
+    while(user_entry != QUIT)
+    {
+        term.printf("1. Set RTC\n");
+        term.printf("2. Get Time/Date\n");
+        term.printf("3. Search OneWire bus\n");
+        term.printf("4. Set non-latching relay\n");
+        term.printf("5. Reset non-latching relay\n");
+        term.printf("6. Set all non-latching relays\n");
+        term.printf("7. Reset all non-latching relays\n");
+        term.printf("8. Set latching relay\n");
+        term.printf("9. Reset latching relay\n");
+        term.printf("10. Set 0-10 analog out\n");
+        term.printf("11. Set 4-20 out\n");
+        term.printf("12. Get 4-20 in\n");
+        term.printf("%d. Clear Screen\n", (QUIT - 1));
+        term.printf("%d. Quit\n\n", QUIT);
+        
+        user_entry = term.get_int32("Please select an option above: ", 1, QUIT);
+        
+        
+        //get non-latching relay
+        if((user_entry == 4) || (user_entry == 5))
+        {
+            relay = term.get_int32("Select a relay from 1 to 8: ", 1, 8);
+        }
+        
+        //get latching relay
+        if((user_entry == 8) || (user_entry == 9))
+        {
+            relay = (8 + term.get_int32("Select a relay from 1 to 3: ", 1, 3));
+        }
+        
+        switch(user_entry)
+        {
+            case 1:
+                set_rtc(term, rtc);
+            break;
+            
+            case 2:
+                get_time_date(term, rtc);
+            break;
+            
+            case 3:
+                search_ow_bus(term, owm);
+            break;
+            
+            case 4:
+                rly_drvr.set_relay(static_cast<MAX4822::RelayChannel>(relay));
+            break;
+            
+            case 5:
+                rly_drvr.reset_relay(static_cast<MAX4822::RelayChannel>(relay));
+            break;
+            
+            case 6:
+                rly_drvr.set_all_relays(rly_drvr_set);
+                term.printf("\n");
+            break;
+            
+            case 7:
+                rly_drvr.reset_all_relays(rly_drvr_reset);
+                term.printf("\n");
+            break;
+            
+            case 8:
+                pixi.gpio_write(static_cast<MAX11300::MAX11300_Ports>(relay), 1);
+            break;
+            
+            case 9:
+                pixi.gpio_write(static_cast<MAX11300::MAX11300_Ports>(relay), 0);
+            break;
+            
+            case 10:
+                analog_out = term.get_int32("Please select a 0-10V output; 0-7: ", 0, 7);
+                analog_val = term.get_int32("please select a value from 0-4095: ", 0, 4095);
+                pixi.single_ended_dac_write(static_cast<MAX11300::MAX11300_Ports>(analog_out), analog_val);
+            break;
+            
+            case 11:
+                analog_val = term.get_int32("please select a value from 0-4095: ", 0, 4095);
+                pixi.single_ended_dac_write(MAX11300::PORT8, analog_val);
+            break;
+            
+            case 12:
+                pixi.single_ended_adc_read(MAX11300::PORT12, analog_val);
+                term.printf("4-20 in = %d\n", analog_val);
+            break;
+            
+            case (QUIT - 1):
+                term.cls();
+                term.home();
+            break;
+            
+            case QUIT:
+                term.printf("\nEnding Program\n");
+            break;
+            
+            default:
+                mbed_die();
+            break;
+        }
+    }
+}
+
+//*********************************************************************
+void set_rtc(Terminal & term, Ds3231 & rtc)
+{
+    //default, use bit masks in ds3231.h for desired operation
+    ds3231_cntl_stat_t rtc_control_status = {0,0}; 
+    ds3231_time_t rtc_time;
+    ds3231_calendar_t rtc_calendar;
+    
+    rtc.set_cntl_stat_reg(rtc_control_status);
+    
+    //get day from user
+    rtc_calendar.day = term.get_int32("\nPlease enter day of week, 1 for Sunday (1-7): ", 1, 7);
+ 
+    //get day of month from user
+    rtc_calendar.date = term.get_int32("\nPlease enter day of month (1-31): ", 1, 31);
+ 
+    //get month from user
+    rtc_calendar.month = term.get_int32("\nPlease enter the month, 1 for January (1-12): ", 1, 12);
+ 
+    //get year from user
+    rtc_calendar.year = term.get_int32("\nPlease enter the year (0-99): ", 0, 99);
+      
+    //Get time mode
+    rtc_time.mode = term.get_int32("\nWhat time mode? 1 for 12hr 0 for 24hr: ", 0, 1);  
+    
+    if(rtc_time.mode)
+    {
+        //Get AM/PM status
+        rtc_time.am_pm = term.get_int32("\nIs it AM or PM? 0 for AM 1 for PM: ", 0, 1);  
+        //Get hour from user
+        rtc_time.hours = term.get_int32("\nPlease enter the hour (1-12): ", 1, 12);
+    }
+    else
+    {
+        //Get hour from user
+        rtc_time.hours = term.get_int32("\nPlease enter the hour (0-23): ", 0, 23);
+    }
+     
+    //Get minutes from user
+    rtc_time.minutes = term.get_int32("\nPlease enter the minute (0-59): ", 0, 59);
+    
+    
+    //Get seconds from user
+    rtc_time.seconds = term.get_int32("\nPlease enter the second (0-59): ", 0, 59);
+    
+    term.printf("\n");
+    
+    rtc.set_time(rtc_time);
+    rtc.set_calendar(rtc_calendar);
+}
+
+//*********************************************************************
+void get_time_date(Terminal & term, Ds3231 & rtc)
+{
+    time_t epoch_time;
+    
+    epoch_time = rtc.get_epoch();
+    term.printf("\n%s\n", ctime(&epoch_time));
+}
+
+//*********************************************************************
+void search_ow_bus(Terminal & term, DS2484 & owm)
+{
+    OneWireMaster::CmdResult result = owm.OWReset();
+    SearchState search_state;
+    
+    if(result == OneWireMaster::Success)
+    {
+        term.printf("\nOWReset success, starting search\n");
+        
+        result = OWFirst(owm, search_state);
+        if(result == OneWireMaster::Success)
+        {
+            while(result == OneWireMaster::Success) 
+            {
+                //print current devices rom id
+                print_rom_id(term, search_state.romId);
+                
+                //find the next device if any
+                result = OWNext(owm, search_state);
+            }
+            term.printf("\n");
+        }
+        else
+        {
+            term.printf("\nSearch failed\n");
+            term.printf("\nError code = %d\n", result);
+        }
+    }
+    else 
+    {
+        term.printf("\nFailed to find any 1-wire devices on bus\n");
+        term.printf("\nError code = %d\n", result);
+    }
+}
+
+//*********************************************************************
+void print_rom_id(Terminal & term, RomId & romId)
+{
+    //print the rom number
+    term.printf("\n");
+    int8_t idx = (RomId::byteLen - 1);
+    do
+    {
+        if(romId[idx] < 16)
+        {
+            term.printf("0x0%x ", romId[idx--]);
+        }
+        else
+        {
+            term.printf("0x%2x ", romId[idx--]);
+        }
+    }
+    while(idx >= 0);
+    term.printf("\n");
+}