Zeran Gu / Mbed 2 deprecated STM32F103C8T6_mpc4725_dac

thanks to Zoltan Hudak publish the way to use stm32f103c8t6 on mbed. now you can use it with MPC4725 DAC

Dependencies:   mbed-STM32F103C8T6 mbed

Fork of Wii_IRCam_Test by Michael Shimniok

main.cpp

Committer:
Zeran
Date:
2017-05-23
Revision:
2:2b68d1d14aca
Parent:
1:150525e9c21f
Child:
3:37fb1e2aacf3

File content as of revision 2:2b68d1d14aca:

#include "stm32f103c8t6.h"
#include "mbed.h"
#include "mcp4725.h"

// Adapted from kako's source code: http://www.kako.com/neta/2008-009/2008-009.html
// i2c protocol details from - http://blog.makezine.com/archive/2008/11/hacking_the_wiimote_ir_ca.html
// wiring from - http://translate.google.com/translate?u=http://www.kako.com/neta/2007-001/2007-001.html&hl=en&ie=UTF-8&sl=ja&tl=en
// obviously mbed is 3.3v so no level translation is needed
// using built in i2c on pins 9/10
//
// PC GUI client here: http://code.google.com/p/wii-cam-blobtrack/
//
// Interfacing details here: http://www.bot-thoughts.com/2010/12/connecting-mbed-to-wiimote-ir-camera.html
//

MCP4725 mcp4725_interface(PB_9, PB_8, MCP4725::Standard100kHz, 0);//sda,scl,bus_frequency,device_address_bit
// modes : Standard100kHz Fast400kHz HighSpeed3_4Mhz
DigitalOut F_R(PC_14);
//PwmOut servo(PA_0);

//I2C i2c(PB_7, PB_6);        // sda, scl
//I2C i2c(PB_9, PB_8);        // sda, scl
//const int addr = 0xB0;   // define the I2C Address of camera
//int c = 0;




int main()
{
    Serial      pc(PA_2, PA_3);
    confSysClock();
    // PC serial output
    pc.baud(115200);
    //pc.printf("Initializing camera...");
    int dac_value = (int) (0xFFF * (0/3.3) );
    mcp4725_interface.write(MCP4725::Normal, dac_value, false);
    //modes: Normal PowerDown1k PowerDown100k PowerDown500k

    // read I2C stuff
    while(1) {
        if(pc.readable()) {
            char c = pc.getc();//-128;
            //c = c*3;
            //pc.putc(c);
            
            if (c>=0x80) {
                F_R = 1;
                c = c - 127;
                //pc.putc(c);
                mcp4725_interface.write(MCP4725::Normal,uint16_t(c*20),false);
            } else {
                F_R = 0;
                c = 127 - c;
                //pc.putc(c);
                mcp4725_interface.write(MCP4725::Normal,uint16_t(c*20),false);
            }
        }
        /*for(int i = 0; i<0xFFF; i++){
            mcp4725_interface.write(MCP4725::Normal, i, false);
            wait(0.01);
        }*/
    }

}