37 lines
1.4 KiB
Markdown
37 lines
1.4 KiB
Markdown
# CC3200
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## Overview
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All digital pins of the device can be used as general-purpose input/output
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(GPIO). GPIOs can be used for various purposes. The GPIO module on the CC3200
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consists of four GPIO blocks:
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* GPIO A0
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* GPIO A1
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* GPIO A2
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* GPIO A3
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Each GPIO block provides eight GPIOs. The GPIO module supports 30 programmable
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GPIO pins, depending on the peripheral used.
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## Application details
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The objective of this application is to showcase GPIO control using Driverlib
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API calls. The LEDs connected to the GPIOs on the LaunchPad are used to
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indicate GPIO output. The GPIOs are driven high and low periodically in order
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to turn the LEDs on and off.
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## Source Files briefly explained
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* **main.c**: Contains the core logic to drive GPIOs and inturn blink the LEDs.
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* **gpio\_if.c**: Contains the Driverlib API calls to drive the GPIOs
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* **pinmux.c**: Generated by the PinMUX utility. GPIO pins are brought out on
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the device boundry using the Driverlib Pinmux API calls.
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* **startup\_\*.c** - Initialize vector table and IDE related functions
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## Usage
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1. Run the reference application.
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* Open the project in CCS/IAR. Build the application and debug to load to the device, or flash the binary using [UniFlash](http://processors.wiki.ti.com/index.php/CC3100_%26_CC3200_UniFlash_Quick_Start_Guide).
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2. Verify the LaunchPad LEDs (D5, D6 and D7) toggle on and off.
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