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  3. nRF5 action!

nRF5 action!

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  • NeverDieN Offline
    NeverDieN Offline
    NeverDie
    Hero Member
    wrote on last edited by NeverDie
    #437

    Unfortunately, after I add:

    #include <mySensors.h>
    

    the locus of control goes somewhere else (I guess the gateway or something?). Anyhow, it makes this very hard to debug.

    For instance, the pin of interest is PIN_AIN0. I can't find where it's defined, and I can't print out its value either, because of this locus of control issue.

    Anyhow, I think I may wait for others to get up and running with their modules, and start facing the same issues. Maybe then we can help each other figure this stuff out.

    1 Reply Last reply
    1
    • d00616D Offline
      d00616D Offline
      d00616
      Contest Winner
      wrote on last edited by
      #438

      @NeverDie I don't know why the println() doesn't work. There is an "DEBUG_OUTPUT(x, ##VA_ARGS)" macro, you can use when debug is enabled.

      NRF_ADC is the nRF51 ADC and NRF_SAADC is the ADC of the nRF52. They are defined when "nrf.h" is included.

      What board type have use used for your tests?

      NeverDieN 2 Replies Last reply
      1
      • d00616D d00616

        @NeverDie I don't know why the println() doesn't work. There is an "DEBUG_OUTPUT(x, ##VA_ARGS)" macro, you can use when debug is enabled.

        NRF_ADC is the nRF51 ADC and NRF_SAADC is the ADC of the nRF52. They are defined when "nrf.h" is included.

        What board type have use used for your tests?

        NeverDieN Offline
        NeverDieN Offline
        NeverDie
        Hero Member
        wrote on last edited by
        #439

        @d00616 said in nRF5 Bluetooth action!:

        What board type have use used for your tests?

        The nRF52832 Ebyte Module.

        1 Reply Last reply
        0
        • NeverDieN NeverDie

          @d00616 said in nRF5 Bluetooth action!:

          hwCPUVoltage()

          I'm finally installing Visual Micro, because I hope it will help me quickly find where all these functions are defined. With all these new layers, the Arduino IDE is just no longer cutting it.

          TerrenceT Offline
          TerrenceT Offline
          Terrence
          wrote on last edited by
          #440

          @NeverDie VS Code with the Arduino Extension is your friend.

          NeverDieN 1 Reply Last reply
          1
          • d00616D d00616

            @NeverDie I don't know why the println() doesn't work. There is an "DEBUG_OUTPUT(x, ##VA_ARGS)" macro, you can use when debug is enabled.

            NRF_ADC is the nRF51 ADC and NRF_SAADC is the ADC of the nRF52. They are defined when "nrf.h" is included.

            What board type have use used for your tests?

            NeverDieN Offline
            NeverDieN Offline
            NeverDie
            Hero Member
            wrote on last edited by NeverDie
            #441

            @d00616 said in nRF5 Bluetooth action!:

            What board type have use used for your tests?

            I just re-read your question and realized you were asking something else than the question that I answered above.

            Answer: nRF52 DK is the board type, because I wired directly to P0.06 as its Tx pin on the Ebyte nRF52832 Module.

            1 Reply Last reply
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            • TerrenceT Terrence

              @NeverDie VS Code with the Arduino Extension is your friend.

              NeverDieN Offline
              NeverDieN Offline
              NeverDie
              Hero Member
              wrote on last edited by NeverDie
              #442

              @Terrence said in nRF5 Bluetooth action!:

              VS Code with the Arduino Extension is your friend.

              I'll try that. Maybe it will be a little less of a learning curve than Visual Micro yet still do what I need.

              1 Reply Last reply
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              • NeverDieN Offline
                NeverDieN Offline
                NeverDie
                Hero Member
                wrote on last edited by NeverDie
                #443

                I just now did a brute force hack of the MySensors BatteryPoweredSensor sketch, where I copied and renamed the hwCPUVoltage function from the library and then called it from within a tight loop so that I never lose the locus of control. It worked!

                /**
                 * The MySensors Arduino library handles the wireless radio link and protocol
                 * between your home built sensors/actuators and HA controller of choice.
                 * The sensors forms a self healing radio network with optional repeaters. Each
                 * repeater and gateway builds a routing tables in EEPROM which keeps track of the
                 * network topology allowing messages to be routed to nodes.
                 *
                 * Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
                 * Copyright (C) 2013-2015 Sensnology AB
                 * Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors
                 *
                 * Documentation: http://www.mysensors.org
                 * Support Forum: http://forum.mysensors.org
                 *
                 * This program is free software; you can redistribute it and/or
                 * modify it under the terms of the GNU General Public License
                 * version 2 as published by the Free Software Foundation.
                 *
                 *******************************
                 *
                 * DESCRIPTION
                 *
                 * This is an example that demonstrates how to report the battery level for a sensor
                 * Instructions for measuring battery capacity on A0 are available here:
                 * http://www.mysensors.org/build/battery
                 *
                 */
                
                
                
                // Enable debug prints to serial monitor
                //#define MY_DEBUG
                
                // Enable and select radio type attached
                //#define MY_RADIO_NRF24
                //#define MY_RADIO_RFM69
                #define MY_RADIO_NRF5_ESB
                
                //#include <MySensors.h>
                
                int BATTERY_SENSE_PIN = A0;  // select the input pin for the battery sense point
                
                //unsigned long SLEEP_TIME = 900000;  // sleep time between reads (seconds * 1000 milliseconds)
                unsigned long SLEEP_TIME = 1000;  // sleep time between reads (seconds * 1000 milliseconds)
                int oldBatteryPcnt = 0;
                
                uint16_t counter=0;
                uint16_t volts=0;
                
                uint16_t theHwCPUVoltage()
                {
                  // VDD is prescaled 1/3 and compared with the internal 1.2V reference
                  Serial.println("Inside hwCPUVoltage function.");
                #if defined(NRF_ADC)
                    Serial.println("This is an NRF_ADC.");
                  // NRF51:
                  // Sampling is done with lowest resolution to minimize the time
                  // 20uS@260uA
                
                  // Concurrent ressource: disable
                  uint32_t lpcomp_enabled = NRF_LPCOMP->ENABLE;
                  NRF_LPCOMP->ENABLE = 0;
                
                  // Enable and configure ADC
                  NRF_ADC->ENABLE = 1;
                  NRF_ADC->CONFIG = (ADC_CONFIG_EXTREFSEL_None << ADC_CONFIG_EXTREFSEL_Pos) |
                                    (ADC_CONFIG_PSEL_Disabled << ADC_CONFIG_PSEL_Pos) |
                                    (ADC_CONFIG_REFSEL_VBG << ADC_CONFIG_REFSEL_Pos) |
                                    (ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling << ADC_CONFIG_INPSEL_Pos) |
                                    (ADC_CONFIG_RES_8bit << ADC_CONFIG_RES_Pos);
                  NRF_ADC->EVENTS_END = 0;
                  NRF_ADC->TASKS_START = 1;
                  while(!NRF_ADC->EVENTS_END);
                  NRF_ADC->EVENTS_END = 0;
                  int32_t sample = (int32_t)NRF_ADC->RESULT;
                  NRF_ADC->TASKS_STOP = 1;
                  NRF_ADC->ENABLE = 0;
                
                  // Restore LPCOMP state
                  NRF_LPCOMP->ENABLE = lpcomp_enabled;
                
                  return (sample*3600)/255;
                
                #elif defined(NRF_SAADC)
                  // NRF52:
                  // Sampling time 3uS@700uA
                  Serial.println("This is an NRF_SAADC.");
                  int32_t sample;
                  NRF_SAADC->ENABLE = SAADC_ENABLE_ENABLE_Enabled << SAADC_ENABLE_ENABLE_Pos;
                  NRF_SAADC->RESOLUTION = SAADC_RESOLUTION_VAL_8bit << SAADC_RESOLUTION_VAL_Pos;
                  NRF_SAADC->CH[0].PSELP = SAADC_CH_PSELP_PSELP_VDD << SAADC_CH_PSELP_PSELP_Pos;
                  NRF_SAADC->CH[0].CONFIG = (SAADC_CH_CONFIG_BURST_Disabled << SAADC_CH_CONFIG_BURST_Pos) |
                                            (SAADC_CH_CONFIG_MODE_SE << SAADC_CH_CONFIG_MODE_Pos) |
                                            (SAADC_CH_CONFIG_TACQ_3us << SAADC_CH_CONFIG_TACQ_Pos) |
                                            (SAADC_CH_CONFIG_REFSEL_Internal << SAADC_CH_CONFIG_REFSEL_Pos) |
                                            (SAADC_CH_CONFIG_GAIN_Gain1_6 << SAADC_CH_CONFIG_GAIN_Pos) |
                                            (SAADC_CH_CONFIG_RESN_Bypass << SAADC_CH_CONFIG_RESN_Pos) |
                                            (SAADC_CH_CONFIG_RESP_Bypass << SAADC_CH_CONFIG_RESP_Pos);
                  NRF_SAADC->OVERSAMPLE = SAADC_OVERSAMPLE_OVERSAMPLE_Bypass << SAADC_OVERSAMPLE_OVERSAMPLE_Pos;
                  NRF_SAADC->SAMPLERATE = SAADC_SAMPLERATE_MODE_Task << SAADC_SAMPLERATE_MODE_Pos;
                  NRF_SAADC->RESULT.MAXCNT = 1;
                  NRF_SAADC->RESULT.PTR = (uint32_t)&sample;
                
                  NRF_SAADC->EVENTS_STARTED = 0;
                  NRF_SAADC->TASKS_START = 1;
                  while (!NRF_SAADC->EVENTS_STARTED);
                  NRF_SAADC->EVENTS_STARTED = 0;
                
                  NRF_SAADC->EVENTS_END = 0;
                  NRF_SAADC->TASKS_SAMPLE = 1;
                  while (!NRF_SAADC->EVENTS_END);
                  NRF_SAADC->EVENTS_END = 0;
                
                  NRF_SAADC->EVENTS_STOPPED = 0;
                  NRF_SAADC->TASKS_STOP = 1;
                  while (!NRF_SAADC->EVENTS_STOPPED);
                  NRF_SAADC->EVENTS_STOPPED = 1;
                
                  NRF_SAADC->ENABLE = (SAADC_ENABLE_ENABLE_Disabled << SAADC_ENABLE_ENABLE_Pos);
                
                  return (sample*3600)/255;
                #else
                  Serial.println("Unknown MCU!!");
                  // unknown MCU
                  return 0;
                #endif
                }
                
                
                void setup()
                {
                  Serial.begin(115200);
                  Serial.println("Setup procedure beginning.");
                  while (true) {
                    volts=theHwCPUVoltage();
                    Serial.print("counter=");
                    Serial.print(counter++);
                    Serial.print(", hwCPUVoltage=");
                    Serial.println(volts);
                  }
                	// use the 1.1 V internal reference
                //#if defined(__AVR_ATmega2560__)
                //	analogReference(INTERNAL1V1);
                //#else
                //	analogReference(INTERNAL);
                //#endif
                }
                

                Here is a sample of the output:

                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5013, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5014, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5015, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5016, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5017, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5018, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5019, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5020, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5021, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5022, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5023, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5024, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5025, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5026, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5027, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5028, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5029, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5030, hwCPUVoltage=3289
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5031, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5032, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5033, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5034, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5035, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5036, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5037, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5038, hwCPUVoltage=3289
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5039, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5040, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5041, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5042, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5043, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5044, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5045, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5046, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5047, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                
                counter=5048, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5049, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5050, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5051, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5052, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5053, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5054, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5055, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5056, hwCPUVoltage=3303
                Inside hwCPUVoltage function.
                This is an NRF_SAADC.
                counter=5057, hwCPUVoltage=3303
                
                
                1 Reply Last reply
                0
                • NeverDieN Offline
                  NeverDieN Offline
                  NeverDie
                  Hero Member
                  wrote on last edited by
                  #444

                  Besides that it can now do println()'s, the other good news is that it looks like I won't need to change the pin assignment.

                  Too bad the demo sketch only transmits one byte of voltage information, rather than two bytes.

                  1 Reply Last reply
                  0
                  • NeverDieN NeverDie

                    @d00616 said in nRF5 Bluetooth action!:

                    For this, you can use the implemented hwCPUVoltage() function.

                    I tried this function call on an nRF52 DK, and it seems to work. I then tried it on an Ebyte module, treated as an nRF52 DK "board", and it reported zero voltage. So, probably I just need to do a pin mapping so that it reads the voltage on the proper pin. But which pin/mapping would it be? I thought that Vcc wouldn't really be mappable to anything but Vcc. I guess whichever analog pin (if that's what it is?) is connected to Vcc on the nRF52 DK is the pin I need to find and re-map to its equivalent pin on the Ebyte module. Hmmm.... I'll have to look into which one that would be.

                    d00616D Offline
                    d00616D Offline
                    d00616
                    Contest Winner
                    wrote on last edited by
                    #445

                    @NeverDie said in nRF5 Bluetooth action!:

                    I tried this function call on an nRF52 DK, and it seems to work. I then tried it on an Ebyte module, treated as an nRF52 DK "board", and it reported zero voltage.

                    I have tried the hwCPUVoltage() function with an Ebyte and an RedBear module. Both modules are reporting the voltage.

                    NeverDieN 1 Reply Last reply
                    1
                    • NeverDieN Offline
                      NeverDieN Offline
                      NeverDie
                      Hero Member
                      wrote on last edited by
                      #446

                      Received a new module. Here's a size comparison with the Ebyte Module:
                      0_1501544794710_size1.jpg
                      0_1501544805955_size2.jpg

                      mtiutiuM 1 Reply Last reply
                      0
                      • NeverDieN Offline
                        NeverDieN Offline
                        NeverDie
                        Hero Member
                        wrote on last edited by
                        #447

                        Breakout board for the Ebyte nRF52832 module is now completed:
                        https://www.openhardware.io/view/436/nRF52832-Breakout-Board#tabs-comments

                        M 1 Reply Last reply
                        1
                        • NeverDieN NeverDie

                          Breakout board for the Ebyte nRF52832 module is now completed:
                          https://www.openhardware.io/view/436/nRF52832-Breakout-Board#tabs-comments

                          M Offline
                          M Offline
                          Mike_Lemo
                          wrote on last edited by
                          #448

                          @NeverDie Dam you why would you make it so wide? can it fit on a single bread board?

                          Also how did you get those so fast?

                          NeverDieN 1 Reply Last reply
                          0
                          • M Mike_Lemo

                            @NeverDie Dam you why would you make it so wide? can it fit on a single bread board?

                            Also how did you get those so fast?

                            NeverDieN Offline
                            NeverDieN Offline
                            NeverDie
                            Hero Member
                            wrote on last edited by NeverDie
                            #449

                            @Mike_Lemo said in nRF5 Bluetooth action!:

                            Dam you why would you make it so wide?

                            In 20/20 hindsight, you're right. At the time I designed it I had huge concerns that the range on the nRF52832 might be awful, because the Adafruit nRF52832 feather that I tested had poor range. So, I gave it a very large ground plane to see if maybe that cured the problem. Only later did I receive the Ebyte module, which turned out to have good range even by itself.

                            can it fit on a single bread board?

                            Sorry, you'll need two.

                            Also how did you get those so fast?

                            OSH PARK averages around two weeks for me. That's the main reason why I buy from them.

                            1 Reply Last reply
                            0
                            • NeverDieN NeverDie

                              Received a new module. Here's a size comparison with the Ebyte Module:
                              0_1501544794710_size1.jpg
                              0_1501544805955_size2.jpg

                              mtiutiuM Offline
                              mtiutiuM Offline
                              mtiutiu
                              Hardware Contributor
                              wrote on last edited by mtiutiu
                              #450

                              @NeverDie
                              Where did you get that small nrf52832 module?

                              NeverDieN 1 Reply Last reply
                              0
                              • mtiutiuM mtiutiu

                                @NeverDie
                                Where did you get that small nrf52832 module?

                                NeverDieN Offline
                                NeverDieN Offline
                                NeverDie
                                Hero Member
                                wrote on last edited by
                                #451

                                @mtiutiu said in nRF5 Bluetooth action!:

                                @NeverDie
                                Where did you get that small nrf52832 module?

                                Here: https://www.aliexpress.com/item/NRF52832-Bluetooth-4-2-module-Bluetooth-5-program-PCBA-serial-transmission-cost-effective/32818791344.html?spm=a2g0s.9042311.0.0.jWh9gH

                                Nca78N 1 Reply Last reply
                                0
                                • NeverDieN NeverDie

                                  @mtiutiu said in nRF5 Bluetooth action!:

                                  @NeverDie
                                  Where did you get that small nrf52832 module?

                                  Here: https://www.aliexpress.com/item/NRF52832-Bluetooth-4-2-module-Bluetooth-5-program-PCBA-serial-transmission-cost-effective/32818791344.html?spm=a2g0s.9042311.0.0.jWh9gH

                                  Nca78N Offline
                                  Nca78N Offline
                                  Nca78
                                  Hardware Contributor
                                  wrote on last edited by
                                  #452

                                  @NeverDie I guess you don't need to make a breakout board for those, your spare NModules will do if you use the "PA/LNA" radio footprint ;)

                                  NeverDieN 1 Reply Last reply
                                  1
                                  • Nca78N Nca78

                                    @NeverDie I guess you don't need to make a breakout board for those, your spare NModules will do if you use the "PA/LNA" radio footprint ;)

                                    NeverDieN Offline
                                    NeverDieN Offline
                                    NeverDie
                                    Hero Member
                                    wrote on last edited by
                                    #453

                                    @Nca78
                                    Thanks! Good to know.

                                    1 Reply Last reply
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                                    • Nca78N Offline
                                      Nca78N Offline
                                      Nca78
                                      Hardware Contributor
                                      wrote on last edited by
                                      #454

                                      Just realized it has 2 extra I/O on the side, and the SWD are only pads on top, which makes 8 I/O available, it's much more interesting than the NRF51822 version.

                                      NeverDieN 1 Reply Last reply
                                      0
                                      • Nca78N Nca78

                                        Just realized it has 2 extra I/O on the side, and the SWD are only pads on top, which makes 8 I/O available, it's much more interesting than the NRF51822 version.

                                        NeverDieN Offline
                                        NeverDieN Offline
                                        NeverDie
                                        Hero Member
                                        wrote on last edited by
                                        #455

                                        @Nca78
                                        Is there even a way to program the nRF51822 version? I'd have to check, but I don't recall the two SWD pins being on its pinout.

                                        Nca78N 1 Reply Last reply
                                        0
                                        • NeverDieN NeverDie

                                          @Nca78
                                          Is there even a way to program the nRF51822 version? I'd have to check, but I don't recall the two SWD pins being on its pinout.

                                          Nca78N Offline
                                          Nca78N Offline
                                          Nca78
                                          Hardware Contributor
                                          wrote on last edited by
                                          #456

                                          @NeverDie said in nRF5 Bluetooth action!:

                                          @Nca78
                                          Is there even a way to program the nRF51822 version? I'd have to check, but I don't recall the two SWD pins being on its pinout.

                                          They are on the pinout, so you only have 4 I/Os available.

                                          1 Reply Last reply
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