File content as of revision 12:762061580168:

#include "mbed.h"
#include "math.h"
#include "movement.h"
#include "maxonsetting.h"

Serial pc(USBTX,USBRX);
void debug_printf(const char* format,...);      // work as printf in debug
void Debug_Control();                           // control by PC keybord

#define SPI_FREQ    1000000         // 1MHz
#define SPI_BITS    16
#define SPI_MODE    0
#define SPI_WAIT_US 1               // 1us

/*モーターの配置
*     md1//---F---\\md4
*        |         |
*        L    +    R
*        |         |
*     md2\\---B---//md3
*/

//-----mbed----------------------------------------------------------------------------//
SPI spi(p5,p6,p7);

DigitalOut ss_md1(p17);           //エスコンの設定
DigitalOut ss_md2(p18);
DigitalOut ss_md3(p15);
DigitalOut ss_md4(p16);

DigitalOut md_enable(p25);
//DigitalIn md_ch_enable(p10);        // check enable switch is open or close
//Timer md_disable;
DigitalOut md_stop(p24);          // stop all motor
//DigitalIn  md_check(p23);           // check error of all motor driver  //とりあえず使わない

DigitalOut debug_led(LED3);  //maxon debug programme -> on

void UserLoopSetting_maxon()
{
//-----エスコンの初期設定-----//
    spi.format(SPI_BITS, SPI_MODE);
    spi.frequency(SPI_FREQ);
    ss_md1 = 1;
    ss_md2 = 1;
    ss_md3 = 1;
    ss_md4 = 1;
    md_enable = 1;  //enable on
    md_stop = 1;

#ifdef DEBUG_MAXON
    debug_led = 1;
    pc.attach(Debug_Control, Serial::RxIrq);
#else
    debug_led = 0;
#endif

#ifdef DEBUG_PRINT
    debug_led = 1;
#else
    debug_led = 0;
#endif
}

#define MCP4922_AB      (1<<15)
#define MCP4922_BUF     (1<<14)
#define MCP4922_GA      (1<<13)
#define MCP4922_SHDN    (1<<12)

#define MCP4922_SET_OUTA    (0x3000)    //( MCP4922_GA || MCP4922_SHDN )  //12288
#define MCP4922_SET_OUTB    (0xB000)    //( MCP4922_AB || MCP4922_GA || MCP4922_SHDN )  //45056
#define MCP4922_MASKSET     (0x0FFF)    //4095

void DAC_Write(int16_t data, DigitalOut* DAC_cs)//(出力,出力場所)
{
    static uint16_t dataA;  //送るデータ
    static uint16_t dataB;

    dataA = MCP4922_SET_OUTA;
    dataB = MCP4922_SET_OUTB;

    if(data >= 0) {
        if(data > 4095) {
            data = 4095;
        }
        dataA += (MCP4922_MASKSET & (uint16_t)(data));
    } else {
        if(data < -4095) {
            data = -4095;
        }
        dataB += (MCP4922_MASKSET & (uint16_t)(-data));
    }

    //Aの出力設定
    (DigitalOut)(*DAC_cs)=0;
    wait_us(SPI_WAIT_US);
    spi.write(dataA);
    wait_us(SPI_WAIT_US);
    (DigitalOut)(*DAC_cs)=1;
    wait_us(SPI_WAIT_US);

    //Bの出力設定
    (DigitalOut)(*DAC_cs)=0;
    wait_us(SPI_WAIT_US);
    spi.write(dataB);
    wait_us(SPI_WAIT_US);
    (DigitalOut)(*DAC_cs)=1;

}

void MaxonControl(int16_t val_md1, int16_t val_md2, int16_t val_md3, int16_t val_md4)   //出力
{
    static int16_t zero_check;

    DAC_Write(val_md1, &ss_md1);
    DAC_Write(val_md2, &ss_md2);
    DAC_Write(val_md3, &ss_md3);
    DAC_Write(val_md4, &ss_md4);

    zero_check = (val_md1 | val_md2 | val_md3 | val_md4);  //すべての出力が0なら強制停止
    if(zero_check == 0) {
        md_stop = 1;
        //md_stop_led = 1;
    } else {
        md_stop = 0;
        //md_stop_led = 0;
    }
}

void Debug_Control()
{
    static char pc_command = '\0';

    pc_command = pc.getc();

    if(pc_command == 'w') {  //前進
        m1+=500;
        m2+=500;
        m3-=500;
        m4-=500;
    } else if(pc_command == 's') {  //後進
        m1-=500;
        m2-=500;
        m3+=500;
        m4+=500;
    } else if(pc_command == 'd') {  //右回り
        m1+=500;
        m2+=500;
        m3+=500;
        m4+=500;
    } else if(pc_command == 'a') {  //左回り
        m1-=500;
        m2-=500;
        m3-=500;
        m4-=500;
    } else {
        m1=0;
        m2=0;
        m3=0;
        m4=0;
    }

    if(m1>4095) {  //最大値を超えないように
        m1=4095;
    } else if(m1<-4095) {
        m1=-4095;
    }
    if(m2>4095) {
        m2=4095;
    } else if(m2<-4095) {
        m2=-4095;
    }
    if(m3>4095) {
        m3=4095;
    } else if(m3<-4095) {
        m3=-4095;
    }
    if(m4>4095) {
        m4=4095;
    } else if(m4<-4095) {
        m4=-4095;
    }

    debug_printf("%d %d %d %d\r\n",m1,m2,m3,m4);
    MaxonControl(m1,m2,m3,m4);
    pc_command = '\0';
}

void debug_printf(const char* format,...)
{
    va_list arg;
    va_start(arg, format);
    vprintf(format, arg);
    va_end(arg);
}