Tag Archives: TI Launchpad

Bluetooth Low Energy Game Controller

Slide1

This project features the Texas Instruments SimpleLink Bluetooth Low Energy CC2640R2F Launchpad interfaced to a Educational BoosterPack MKII to function as Bluetooth Low Energy Game Controller.

Hardware Block Diagram:

Slide2

BOOSTXL-BATPAKMKII is used to power up the Bluetooth Low Energy Game Controller. Alternatively you can use 4 AA batteries as power supply.

Project Hardware Modifications:

  • Remove TI CC2640R2F Launchpad R52. This effectively disconnects the LaunchPad’s BPRST header pin from the CC2640R2F device’s RESET_N pin. Then EN1 circuitry of BOOSTXL-BATPAKMKII pulls the signal down to ground which is connected to the TI CC2640R2F BPRST Pin 13. If you are using 4 AA batteries as power supply skip this step.R52
  • Put a 10K Ohm Resistor across R9 of BOOSTXL-BATPAKMKII Rev 1.0. This is fix for the charging issue. Place a jumper at JP6 BIN. If you are using 4 AA batteries as power supply skip this step.IMG_1216
  • Remove 5V and 3V3 jumpers. Move VSENSE jumper from XDS110 Power to External Power. IMG_1207 - Copy
  • BTN1 of Educational BoosterPack MKII is connected to TCK pin of TI CC2640R2F LP BP Connector. The TCK pin at CC2640R2F LP BP Connector is not connected to anything. So to make use of it short it to DIO15.IMG_1224 - Copy
  • BTN2 of Educational BoosterPack MKII is connected to TD0 DIO16 pin of TI CC2640R2F LP BP Connector. To connect DIO16 to CC2640R2F place a wire short at R48 pad. Remove TDO and TDI Jumper.IMG_1225 - Copy
  • Set Educational BoosterPack MKII J5 jumper to 2-3 position. This is so we can set the LCD Backlight to off.IMG_1226

Bluetooth Low Energy Game Controller Inputs:

  • Educational BoosterPack MKII Joystick, BTN1 and BTN2.
  • CC2640R2F Launchpad BTN1 = SELECT, BTN2 = START

The BTN inputs are mapped to HID commands that is for NES Online Games Website.

Software Requirements:

Sending HID Commands Periodically every 80 ms:

The usual format for keyboard reports is the following byte array:
[modifier, reserved, Key1, Key2, Key3, Key4, Key6, Key7]
Key1 = Joystick X
Key 2 = Joystick Y
Key 3 = Educational BoosterPack BTN1
Key 4 = Educational BoosterPack BTN2
Key 5 = CC2640R2F LP BTN1/BTN2

Program: TI CC2640R2F BLE Game Controller

Note: See, program link README.md for instructions.

Advertisements

Bluetooth Low Energy Power Bank

BLE Power Bank

This project features the Texas Instruments SimpleLink Bluetooth Low Energy CC2640R2F Launchpad interfaced to a BOOSTXL-BATPAKMKII to function as Bluetooth Low Energy Power Bank.

With a Bluetooth Low Energy Power Bank you can use a Smart Phone App to see how much charge it has and receive notifications if its charge level has reached a set critical or high level. See, video below.

Bluetooth Low Energy Services:

  1. LiPo Batt Service – Custom Bluetooth Service.
  • Battery Level Critical and High Notifications.

 

Hardware Block Diagram:

BLE Power Bank Block Diagram

Hardware Setup:

IMG_1203

Project Hardware Modifications:

  • Remove TI CC2640R2F Launchpad R52. This effectively disconnects the LaunchPad’s BPRST header pin from the CC2640R2F device’s RESET_N pin. Then EN1 circuitry of BOOSTXL-BATPAKMKII pulls the signal down to ground which is connected to the TI CC2640R2F BPRST Pin 13. Remove 5V and 3V3 jumpers. Move VSENSE jumper from XDS110 Power to External Power.

R52

  • Put a 10K Ohm Resistor across R9 of BOOSTXL-BATPAKMKII Rev 1.0. This is fix for the charging issue. Place a jumper at JP6 BIN.

IMG_1216

Project Software Requirements.

  1. Simplelink CC2640R2 SDK: SDK v1.50.
  2. TI Code Composer Studio 8.0.
  3. SmartRF Flash Programmer 2.
  4. SmartPhone LightBlue IOS App.

Program: TI CC2640R2F BLE Power Bank

Note: See, program link README.md for instructions.

Project Photos:

IMG_1210
CC2640R2F Launchpad, BOOSTXL-BATPAKMKII, 430BOOST-SHARP96
IMG_1209
MOSFET Switch Board

 

 

 

Secure Internet Of Things Humidifier

Secure IOT Humidifier System
Device Connection to WiFi Network

This project features the Texas Instruments SimpleLink™ Wi-Fi® CC3220SF LaunchPad™ with Integrated Security Features as shown below.

Overall Project Features:

  1. Easy connection to CC3220SF Launchpad using SimpleLink™ Wi-Fi® Starter application.
  2. Direct connection to CC3220SF Launchpad set as Access Point.
  3. Easy access to CC3220SF Launchpad using its internal web server.
  4. Demonstrates reading Sensors Booster Pack BME280 humidity and temperature.
  5. Demonstrates setting of desired humidity. If desired humidity is greater than actual humidity, the humidifier will turn on.
  6. Neopixel Ring RGB Led Lights Show upon internet connection.

Hardware Block Diagram:

Secure IOT Humidifier HW Block Diagram
Enter a caption

CC3220SF Launchpad connection to Sensors Booster Pack:

The I2C pins of Sensors Booster Pack is in conflict with the TDO and TDI of CC3220SF Launchpad. Set CC3220SF Launchpad SOP Jumper to 001, to change from 4-wire JTAG Connection to 2-wire JTAG Connection. Remove the CC3200SF Launchpad I2C jumper connection to on-board sensors.

IMG_1130mod1

Overall Pin Compatibility:

pin compatibility

Project Photos:

IMG_1140
NeoPixel Ring 16 RGB Leds
IMG_1132
SeedStudio Grove Water Atomization
IMG_1138
Ultrasonic Transducer Disc
IMG_1135
MSP430FR5969 Launchpad and CC3220SF Launchpad

Program: TI CC3220SF IOT Humidifier

Note: See, program link README.md for instructions.

Program Details:

The program firmware and internal web pages are modified version of the CC3220SF Launchpad Out of Box Demo.

Provisioning Process:

  1. When there is no network profile previously saved at TI CC3220SF Launchpad it will start the provisioning process. If the TI CC3220SF Launchpad is connected to your PC you can see the output at Tera Term that provisioning has been started.teraterm1
  2. Open SimpleLink™ Wi-Fi® Starter application and set your WiFi Network Details.IMG_1128
  3. After successful provisioning your device IP address will be shown.

teraterm2

 

Internal Web Pages:

index
index.html
demo
demo.html
status
settings.html Status Tab
profiles
settings.html Profiles Tab
device
settings.html Device Tab
network
settings.html Network Tab

Project Demo:

 

 

TI CC2640R2F BLE Keyboard

TI CC2640R2F BLE Keyboard
Bluetooth Low Energy Connection to Smart Phone

This project features the Texas Instruments SimpleLink Bluetooth Low Energy CC2640R2F Launchpad interfaced to a USB Keyboard to function as a BLE Keyboard. 

The reference for this project is based from the Bluetooth SMART Keyboard Reference Design which uses a BLE CC2650 board interfaced to Mini Keyboard.

BLE CC2640R2F was used instead since it is able to support BLE 5 Long Range and High Data Rate feature. For a BLE Keyboard application the BLE 5 Long Range feature is desirable. Imagine able to type at your Laptop through BLE Connection at a distance of 400 meters. However, at the moment there is no Personal Computer or Smart Phone that supports BLE 5 Long Range Feature. If that time comes when there are Personal Computers and Smart Phones that are able to support BLE 5 Long Range Feature, then the BLE CC2640R2F Long Range Feature can be enabled through software so this project can become a “TI CC2640R2F Long Range BLE Keyboard”.

Interfacing the USB Keyboard to TI CC2640R2F Launchpad:

I used a Logitech K120 USB Keyboard to interface with TI CC2640R2F Launchpad. I dismantle the Logitech K120 USB Keyboard and remove the USB cable connected to the Keyboard motherboard.

The next step is trace the top and bottom keyboard matrix. The top keyboard matrix has 8 pads connected to the board and. The bottom keyboard matrix has 18 pads connected to the board. For this project at the moment I only aim to output Keyboard Letters and Numbers, which you can see at the Keyboard Matrix Table below are highlighted in green.

Keyboard Matrix
Keyboard Matrix

Then ribbon cable is soldered to the pads of the motherboard. Only half of the pad is in contact with the keyboard matrix. To solder the ribbon cable to the pad, the black conductive material on the pad needs to be scraped off first.

IMG_1058
Keyboard Motherboard Top Side
IMG_1057
Keyboard Motherboard Bottom Side
IMG_1061
Keyboard Motherboard with ribbon cable soldered to the pads
IMG_1062
Assembling the Keyboard with the Ribbon Cable

Overall Pin Compatibility:

TI CC2640R2F LP Pin Compatibility

Keyboard Interfaced to CC2640R2F Launchpad:

IMG_1104
Enter a caption

The TI CC2640R2F Launchpad is powered using Power Bank.

Program: TI CC2640R2F BLE Keyboard

Note: See, program link README.md for instructions.

Program Details:

Using the Key Matrix Data I was able to generate Key Scanning codes from the Bluetooth SMART Keyboard Reference DesignThe Key Scanning Codes are for BLE CC2650. I then port the code to work for HID Emu Kbd Example Program from CC2640R2F SDK Version 1.30.

I used a Iphone 4s for testing because there was some issue pairing with my Windows 10 Laptop. Using LE LightBlue App, I was able to see the BLE Services.

The key pressed from the BLE Keyboard can be seen at the Iphone 4s Notes App.

TI CC2640R2F Play Buzzer Tunes

CC2640R2 SensorTag2
Bluetooth Low Energy Connection to Smart Phone

This project shows how to play buzzer tunes through Bluetooth Low Energy Connection. I used my earlier blog project “TI CC2640R2F SensorTag“, and added playing buzzer tunes functionality. 

Project Hardware Requirements:

  1. TI CC2640R2F Launchpad.
  2. TI Educational BoosterPack MKII.
  3. TI BLE USB Dongle or TI CC2650 Launchpad with Host Test Program.

Program: TI CC2640R2F SensorTag

I added code files sensortag_playtunes.c, sensortag_playtune.h and pitches.h to TI CC2640R2F SensorTag CCS Project.

TI CC2640R2F SensorTag Play Buzzer Tunes:

Buzzer Tunes Credits to:

  • Dung Dang for the Happy Birthday Buzzer Tunes.
  • Dipto Pratyaksa for the Mario Brothers Main Theme and Underworld Tunes.

TI CC2640R2F SensorTag

TI CC2640R2F SensorTag
Bluetooth Low Energy Connection to Smart Phone

This project features the Texas Instruments SimpleLink Bluetooth Low Energy CC2640R2F Launchpad with SensorTag and Key Fob codes ported from BLE Stack 2.2.1.. 

Bluetooth Low Energy Services:

  1. Device Information Service.
  2. Link Loss Service.
  3. Immediate Alert Service.
  4. Tx Power Service.
  5. Accelerometer Service.
  6. Battery Service.
  7. Simple Keys Service.
  8. TI Sensortag 2.0 I/O Service.
  9. TI Sensortag 2.0 Register Service.

Note: Texas Instruments Sensors BoosterPack Plug-In Module will be later on added to this project to have full SensorTag Functionality.

Project Hardware Requirements:

  1. TI CC2640R2F Launchpad.
  2. TI Educational BoosterPack MKII.
  3. TI BLE USB Dongle or TI CC2650 Launchpad with Host Test Program.

Project Software Requirements.

  1. Simplelink CC2640R2 SDK: BLE-STACK V3.0.1 (Support for CC2640R2F)
  2. BLE-STACK V2.2.1 (Support for CC2640/CC2650/CC1350)
  3. TI Code Composer Studio 7.0.
  4. TI SmartRF Flash Programmer 2.
  5. TI BLE Device Monitor.
  6. SensorTag App.

Hardware Setup:

IMG_0809
TI Educational BoosterPack MKII connected to TI CC2640R2F Launchpad

Overall Pin Compatibility:

Overall Pin Compatibility 2

TI CC2640R2F Blogs:

5 need to know facts about the new SimpleLink™ Bluetooth low energy CC2640R2F wireless MCU

How does Bluetooth® 5 increase the achievable range of a Bluetooth low energy connection?

Program: TI CC2640R2F SensorTag

Note: Using SmartRF Flash Programmer 2, you can program the app and stack hex files to your device setup. See, program link README.md for instructions.

Program Details:

The TI CC2640R2F SensorTag Program, are made up of SensorTag and Key Fob codes from BLE Stack 2.2.1 ported to CC2640R2F SDK simple peripheral.

See, CC2640R2 SDK Porting Guide, to learn how to port codes from BLE Stack 2.2.1 to CC2640R2 SDK simple peripheral example programs.

TI SensorTag App:

Note: As of this Blog Post Publishing , the SensorTag App crashes when going to Sensor View. However, the SensorTag App does not crash going to Services.

TI CC2640R2F SensorTag IO:

To activate TI CC2640R2F Launchpad IO, first set Config to “01”, to enable control by remote client. Then set Data to these below settings.

“00” – All IO’s set to OFF
“01” – Blue LED ON
“02” – Green LED ON
“03” – Both Blue and Green LED ON
“04” – Buzzer ON

TI CC2640R2F SensorTag SimpleKeys:

TI CC2640R2F Launchpad Button 1 and Button 2, presses are passed on the SimpleKeys BLE Service.

TI CC2640R2F SensorTag Immediate Alert:

Immediate Alert is triggered by setting Link Loss Alert Level to either “01” or “02”. Then set Immediate Alert to “01” for Low Alert or “02” for High Alert.

TI CC2640R2F SensorTag Link Loss Alert:

Set the Link Loss Alert Level to either “01” or “02”. Then remove link to Bluetooth Device. In this case, I removed the TI BLE USB Dongle. When connection timeout is reached, Link Loss Alert is triggered.

Tiva Connected Launchpad and Fuel Tank MKII Battery Booster Pack BMS

14218423_1131403620254446_417162451_n

Introduction:

I was planning to buy the original Fuel Tank Booster Pack, but for whatever reason it became not available to purchase. Several months pass by and still it is still not available to purchase. I felt dissapointed, with the thought of not being able buy the original Fuel Tank Booster Pack and be able to use it for future TI Launchpad based projects, since the the original Fuel Tank Booster Pack have been been featured at Project blogs and youtube videos. However good news came from a TI Engineer last July 2016 who announced that TI would release 2 new Booster Packs, and one of the Booster Pack is the new Fuel Tank MKII Battery Booster Pack.

The Fuel Tank MKII Battery Booster Pack is pin compatible with the Tiva Connected Launchpad Booster Pack 1 and Booster Pack 2 connector. For this simple project, I will connect the Fuel Tank MKII Battery Booster Pack to Booster Pack 2 connector of my Tiva Connected Launchpad. Tiva Connected Launchpad I2C2 will be used to communicate with the Fuel Tank MKII Battery Booster Pack.

One noticeable difference of Fuel Tank MKII Battery Booster Pack from the original Booster Pack is the addition of a mechanical Switch S1, that enables you to fully disconnect the battery from the onboard circuitry.

Key Features:

  • 3.7 Volts 1200-mAh lithium polymer battery.
  • Onboard bq27441 fuel (gas) gauge.
  • Onboard bq24250 lithium polymer charger.
  • USB charging with indicator LED.
  • Works with TI Launchpad development kits.

Hardware Block Diagram:

Tiva Connected Launchpad and Fuel Tank MKII Battery Booster PackHardware Setup:

TivaCLPFuelTankpic1
Fuel Tank MKII Battery Booster Pack connected to Tiva Connected Launchpad Booster Pack 2 connector
TivaCLPFuelTankpic2
Under Side picture of the setup showing the Lithium Ion battery connected to Fuel Tank MKII Battery Booster Pack

Overall Pin Compatibility:pin compatibility3

Tiva Connected Launchpad being powered by Fuel Tank MKII Battery Booster Pack:

Example Program run from Code Composer Studio:

Program: TivaC_boostxl_battpackmkii

Tera Term Output:s2

s3

s4

I plan to make this an IoT device by connecting a CC3100 SimpleLink WiFi Booster Pack to Booster Pack 1 connector of my Tiva Connected Launchpad.