Forum Rule: Always post complete source code & details to reproduce any issue!

Search:

Type: Posts; User: Prasad

Search: Search took 0.00 seconds.

  1. Possibility of Remote software/firmware upgrade.

    Can we have the following features implemented using Teensy3.1 and are there any packages available for these functions.

    1. Remote software/firmware upgrade.(via GPRS/Ethernet)
    2. On chip...
  2. Replies
    7
    Views
    1,717

    The middleware files which i am pointing is my...

    The middleware files which i am pointing is my own source and header files and not the arduino libraries.

    I have added the location of these header files in 'Properties > C/C++ > General >...
  3. Replies
    7
    Views
    1,717

    Yes even for me it works on creating the project...

    Yes even for me it works on creating the project and all the source and header files are in the same directory as my .sln and .ino files.

    But if i make a different directory for source(.cpp) and...
  4. Replies
    7
    Views
    1,717

    Teensy3.1:Project Directory Structure

    Hi,

    I am using Visual studio 2010 for creating projects(.ino), I tried having the directory structure as below.

    Project_Name folder
    ----------------|Project_Name.sln
    ----------------|file.ino...
  5. Replies
    4
    Views
    1,339

    We are providing 5V to Vin pin which mentions...

    We are providing 5V to Vin pin which mentions 3.7V to 5.5 V as the input voltage.
    However we are taking care to see that IO pins does not exceed 3.3V.
  6. Replies
    4
    Views
    1,339

    Teensy3.1 Got Heated and stopped working

    Hi,

    Teensy3.1 IC got heated and the LED faded during blink (as part of s/w) .

    The following observations are observed.
    1. The controller is provided with 5V DC externally.
    2. GSM modem is...
  7. Replies
    3
    Views
    1,977

    Hi Michael, Thanks for the quick response, I...

    Hi Michael,

    Thanks for the quick response,
    I changed the stop bit to 1 and above that i also modified the code in function " waiting_for_reply() " as below

    while (noOfBytes2Read =...
  8. Replies
    3
    Views
    1,977

    [Teensy3.1]:[Modbus] Communication Issue

    Hi,

    I am facing a problem with Modbus communication particularly at the receiving side.
    Here the Master device is my Teensy3.1 controller (Rx-7, Tx-8) and slave is L&T Nova energy meter....
  9. Replies
    18
    Views
    7,076

    After this modification data are received...

    After this modification data are received successfully.

    Thanks for the support.
  10. Replies
    18
    Views
    7,076

    I did the test with 2 masters at a time. ...

    I did the test with 2 masters at a time.

    Initially
    1st master is the NXP89v51rd2:
    The o/p i read from AVRMS register was
    1) For 230V, AVRMS register value was 10095

    2nd master is the...
  11. Replies
    18
    Views
    7,076

    AVGAIN is the 3 byte read/write register. I am...

    AVGAIN is the 3 byte read/write register. I am writing 0xAA value to this register but am reading back 0 from the register.

    I have attached the screen shot of SDA w.r.t SCL for writing 0xAA to...
  12. Replies
    18
    Views
    7,076

    I also attach the screen shot for 1 byte...

    I also attach the screen shot for 1 byte receiving, which is working fine as expected. Slave address 0x38 reading from memory 0xE702(LCYCMODE register)
    I am able to write and read the same data.
    ...
  13. Replies
    18
    Views
    7,076

    void read_meter(int add, char no_bytes, uint8_t...

    void read_meter(int add, char no_bytes, uint8_t meter_data[])
    {
    uint8_t target = 0x38; // slave addr

    meter_data[0] = 0x00;
    meter_data[1] = 0x00;
    meter_data[2] = 0x00;
    meter_data[3] =...
  14. Replies
    18
    Views
    7,076

    I included the print_i2c_status function and i...

    I included the print_i2c_status function and i got "I2C waiting, no errors" .
    I am always receiving value as "0x182BB",
    I observe in the scope that after sending the...
  15. Replies
    18
    Views
    7,076

    This is intentional as the higher byte values are...

    This is intentional as the higher byte values are received first.
  16. Replies
    18
    Views
    7,076

    Thank you very much for the quick response.

    Thank you very much for the quick response.
  17. Replies
    18
    Views
    7,076

    [Teensy3.1]: [I2C] Communication Issue.

    Hi,

    I am integrating Teensy3.1 with ADE7880(energy meter IC) using I2C interface. I am using i2c_t3 library.
    I observe the following.
    1. For writing or reading into a slave device I need to...
Results 1 to 17 of 18