Sasi

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  Product BOB-11502 about 8 years ago

  Steps how to use Sparkfun SX1509 C++ Library on raspberry pi

  you might be facing compilation errors when compiling SX1509 C++ library. Below are the few errors which i faced when compiling and steps to fix them.

  Prerequisites

  • Install wiringPi on raspberry Pi

  • Download the Sparkfun library from github

  ** To compile **

  • g++ -c sx1509_registers.h SparkFunSX1509.h SparkFunSX1509.cpp -std=gnu++11 -lwiringPi -lpthread

  ERRORS

  sx1509_registers.h:142:1: error: ‘uint8_t’ does not name a type uint8_t REG_I_ON[16] = {REG_I_ON_0, REG_I_ON_1, REG_I_ON_2, REG_I_ON_3, ^ sx1509_registers.h:147:1: error: ‘byte’ does not name a type byte REG_T_ON[16] = {REG_T_ON_0, REG_T_ON_1, REG_T_ON_2, REG_T_ON_3, ^

  * Open the file sx1509_registers.h and replace "byte" with "unsigned char"
  * and execute the command above.
  * It should compile successfully and generate an object file "SparkFunSX1509.o" for you.
  

  **Generate an archive library using "SparkFunSX1509.o" **

  • ar rvs SparkFunSX1509.a SparkFunSX1509.o

  ** Compile the demo file available in the ** github

  * g++ main.cpp -o demo SparkFunSX1509.a -lwiringPi -lpthread -std=gnu++11
  

  Demo executable is generated now successfully. Now you can run it on raspberry pi and explore more capabilities of SX1509 I/O Expander Breakout board

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  Tutorial - SX1509 I/O Expander Breakout Hookup Guide about 8 years ago

  Steps how to use Sparkfun SX1509 C++ Library on raspberry pi

  you might be facing compilation errors when compiling SX1509 C++ library. Below are the few errors which i faced when compiling and steps to fix them.

  Prerequisites

  • Install wiringPi on raspberry Pi

  • Download the Sparkfun library from github

  ** To compile **

  • g++ -c sx1509_registers.h SparkFunSX1509.h SparkFunSX1509.cpp -std=gnu++11 -lwiringPi -lpthread

  ERRORS

  sx1509_registers.h:142:1: error: ‘uint8_t’ does not name a type uint8_t REG_I_ON[16] = {REG_I_ON_0, REG_I_ON_1, REG_I_ON_2, REG_I_ON_3, ^ sx1509_registers.h:147:1: error: ‘byte’ does not name a type byte REG_T_ON[16] = {REG_T_ON_0, REG_T_ON_1, REG_T_ON_2, REG_T_ON_3, ^

  * Open the file sx1509_registers.h and replace "byte" with "unsigned char"
  * and execute the command above.
  * It should compile successfully and generate an object file "SparkFunSX1509.o" for you.
  

  **Generate an archive library using "SparkFunSX1509.o" **

  • ar rvs SparkFunSX1509.a SparkFunSX1509.o

  ** Compile the demo file available in the ** github

  * g++ main.cpp -o demo SparkFunSX1509.a -lwiringPi -lpthread -std=gnu++11
  

  Demo executable is generated now successfully. Now you can run it on raspberry pi and explore more capabilities of SX1509 I/O Expander Breakout board

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