test program for the MCP23009 class, MCP23009 is a I2C general IO extender
Dependencies: DevInterfaces I2Cinterfaces MCP23009 mbed
Diff: main.cpp
- Revision:
- 0:30918bdf8a94
diff -r 000000000000 -r 30918bdf8a94 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Jun 03 16:04:04 2016 +0000 @@ -0,0 +1,70 @@ +#include "mbed.h" + + +#if defined (TARGET_KL25Z) || defined (TARGET_KL46Z) + PinName const SDA = PTE25; + PinName const SCL = PTE24; +#elif defined (TARGET_KL05Z) + PinName const SDA = PTB4; + PinName const SCL = PTB3; +#elif defined (TARGET_K20D50M) + PinName const SDA = PTB1; + PinName const SCL = PTB0; +#else + #error TARGET NOT DEFINED +#endif + +#include "I2C.h" +#include "I2CInterface.h" +#include "MBEDI2CInterface.h" + +#include "dev_interface_def.h" + +#include "mcp23009.h" + +MBEDI2CInterface mbedi2c( SDA, SCL); +MBEDI2CInterface* mbedi2cp= &mbedi2c ; +I2CInterface* i2cdev= mbedi2cp; + + +Serial pc(USBTX, USBRX); + + +int main(void) +{ + + PwmOut rled(LED1); + PwmOut gled(LED2); + PwmOut bled(LED3); + + MCP23009 gpio(i2cdev, 0); + + printf("mcp23009 test program %s %s \n\r",__DATE__,__TIME__); + int pincnt=0; + int pinv; + if( gpio.set_as_output(0,0)) {printf("(I2C) error setting pin 0 as ouput\n\r");} + if( gpio.set_as_input(1,0)) {printf("(I2C) error setting pin 1 as input\n\r");} + if( gpio.set_as_output(2,0)) {printf("(I2C) error setting pin 2 as ouput\n\r");} + if( gpio.set_as_output(3,1)) {printf("(I2C) error setting pin 3 as ouput\n\r");} + if( gpio.set_as_output(4,1)) {printf("(I2C) error setting pin 4 as ouput\n\r");} + if( gpio.set_as_output(5,1)) {printf("(I2C) error setting pin 5 as ouput\n\r");} + if( gpio.set_as_output(6,0)) {printf("(I2C) error setting pin 6 as ouput\n\r");} + if( gpio.set_as_output(7,1)) {printf("(I2C) error setting pin 7 as ouput\n\r");} + int value; + while (true) { + value = gpio.status(pincnt); + printf("pinnr : current status : %d\n\r",value); + value = gpio.status(8); + printf("all pins: current status : 0x%02X\n\r",value); + value = gpio.outp_status(8); + printf("all pins: current outputstatus : 0x%02X\n\r",value); + printf("give new value for pinnr:%d ",pincnt); + scanf("%d",&pinv); printf("\n\r"); + + gpio.set(pincnt,pinv); + pincnt++; + + wait(0.1f); + if ( pincnt > 7 ) pincnt=0; + } +}