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Author: MIKROE
Last Updated: 2019-03-15
Package Version: 1.0.0.1
mikroSDK Library: 1.0.0.0
Category: LED Drivers
Downloaded: 4285 times
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License: MIT license
LED driver 2 click carries the MCP1643 - LED constant current regulator, made by Microchip. It is a compact, high-efficiency, fixed frequency, synchronous step-up converter, optimized to drive one LED with the constant current. It can be powered by a two-cell alkaline/NiMH/NiCd battery (2.4V), or via the mikroBUSâ„¢ power supply pins.
Library Description
The library covers all the necessary functions to control LED Driver 2 click board. LED Driver 2 click communicates with the target board via PWM module. This library contains drivers for PWM function:
initialization, for sets duty ratio, starts and stops PWM module.
Key functions:
Examples description
The application is composed of three sections:
void applicationTask() { mikrobus_logWrite( " Light Intensity Rising ", _LOG_LINE ); Delay_1sec(); for ( dutyCycle = 5; dutyCycle < 255; dutyCycle += 25 ) { leddriver2_pwmSetDuty( dutyCycle ); mikrobus_logWrite( " >", _LOG_TEXT ); Delay_100ms(); } mikrobus_logWrite( ">", _LOG_LINE ); mikrobus_logWrite( "-------------------------", _LOG_LINE ); mikrobus_logWrite( " Light Intensity Falling ", _LOG_LINE ); Delay_1sec(); for ( dutyCycle = 255; dutyCycle > 5; dutyCycle -= 25 ) { leddriver2_pwmSetDuty( dutyCycle ); mikrobus_logWrite( " <", _LOG_TEXT ); Delay_100ms(); } mikrobus_logWrite( "<", _LOG_LINE ); mikrobus_logWrite( "-------------------------", _LOG_LINE ); Delay_1sec(); }
Additional Functions :
Other mikroE Libraries used in the example:
PWM
UART
Additional notes and informations
Depending on the development board you are using, you may need USB UART click, USB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message
SQI FLASH Click is based on the SST26VF064B, a 64 Mbit Serial Quad I/O flash device from Microchip. The chip utilizes 4-bit multiplexed I/O serial interface to boost the performance. The Click is a very fast solid-state, non-volatile data storage medium, that can be electrically erased and reprogrammed.
[Learn More]ADC 10 Click is a compact add-on board that contains a high-performance data converter. This board features the ADS122U04, a 24-bit precision ΔΣ analog-to-digital converter with UART compatible interface from Texas Instruments.
[Learn More]Joystick 3 Click is a compact add-on board that can fulfill your directional analog input needs. This board features 2765, a high-quality mini 2-axis analog output thumbstick from Adafruit Industries. This small joystick is a 'self-centering' analog-type with a black rocker cap similar to the PSP joysticks. It comprises two 10kΩ potentiometers, one for up/down and another for left/right direction. Knowing that this joystick represents an analog type, it connects with mikroBUS™ through the SPI interface through the MCP3204 12-bit A/D converter.
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