S_SCTRL_SM1_hwfunct.cpp

00001 /* hardware functions 
00002  * ver 1.0  
00003  * ver 1.1x   connectors signal working   
00004  * ver 1.20   added serialnr read
00005  * ver 1.22   defined cs lines to inactive in safe settings
00006  
00007  */
00008 
00009 #include "mbed.h"
00010 #include "S_SCTRL_SM1_PinDef.h"
00011 #include "S_SCTRL_SM1_hwfunct.h"
00012 
00013 
00014 #define HW_LIB_SRC_VERSION "1.23"
00015 
00016 #define MAXLIBVERCHAR 100  // max char for lib version 
00017 
00018 void assignports(HWlines  *hwlines ) {
00019 
00020     /// devices 
00021     // SPI BI pins 
00022     hwlines->msio[0] = new DigitalInOut(ADC_STIO);
00023     hwlines->sclk[0] = new DigitalOut(SCLK);
00024     hwlines->direction[0] = new DigitalOut(DIRECTION);
00025     hwlines->stio_mo[0] = new DigitalOut(STIO_MO);
00026     hwlines->csb1[0] = new DigitalOut(ADC1_CSN);
00027     hwlines->csb2[0] = new DigitalOut(ADC2_CSN);
00028 
00029     // SPI pins
00030     hwlines->mosi[0] = new DigitalOut(MOSI); 
00031     hwlines->miso[0] = new DigitalIn(MISO); 
00032 
00033     hwlines->t_cs[0] = new DigitalOut(TEMP_CSN);
00034     hwlines->tc_cs1[0] = new DigitalOut(TEMP_CABLE_CSN1);
00035     hwlines->tc_cs2[0] = new DigitalOut(TEMP_CABLE_CSN2);
00036     hwlines->dac_cs[0] = new DigitalOut(DAC_DCEN);
00037     hwlines->dac_rst[0] = new DigitalOut(DAC_RSTN);
00038 
00039     // devices 
00040 
00041     // SPI BI pins 
00042     hwlines->msio[1] = new DigitalInOut(ADC_2_STIO);
00043     hwlines->sclk[1] = new DigitalOut(SCLK_2);
00044     hwlines->direction[1] = new DigitalOut(DIRECTION2);
00045     hwlines->stio_mo[1] = new DigitalOut(STIO2_MO);
00046     hwlines->csb1[1] = new DigitalOut(ADC1_2_CSN);
00047     hwlines->csb2[1] = new DigitalOut(ADC2_2_CSN);
00048 
00049     // SPI pins
00050     hwlines->mosi[1] = new DigitalOut(MOSI_2); 
00051     hwlines->miso[1] = new DigitalIn(MISO_2); 
00052 
00053     hwlines->t_cs[1] = new DigitalOut(TEMP_2_CSN);
00054     hwlines->tc_cs1[1] = new DigitalOut(TEMP_2_CABLE_CSN1);
00055     hwlines->tc_cs2[1] = new DigitalOut(TEMP_2_CABLE_CSN2);
00056     hwlines->dac_cs[1] = new DigitalOut(DAC_2_DCEN);
00057     hwlines->dac_rst[1] = new DigitalOut(DAC_2_RSTN);
00058 
00059     //cal 
00060     hwlines->cal13[0] = new DigitalOut(CAL_TRIG_1AND3);
00061     hwlines->cal24[0] = new DigitalOut(CAL_TRIG_2AND4);
00062     hwlines->calint[0] = new DigitalOut(SEL_CAL_INT);
00063     hwlines->cal13[1] = new DigitalOut(CAL_TRIG_1AND3);
00064     hwlines->cal24[1] = new DigitalOut(CAL_TRIG_2AND4);
00065     hwlines->calint[1] = new DigitalOut(SEL_2_CAL_INT);
00066 
00067     hwlines->calext = new DigitalOut(SEL_CAL_EXT);
00068     hwlines->calgenext = new DigitalOut(GEN_EXT_CAL);
00069 
00070     hwlines->ledred = new DigitalOut(LEDRED);
00071     hwlines->ledgreen = new DigitalOut(LEDGREEN);
00072 
00073     hwlines->ain[0] = new AnalogIn(ADC1);
00074     hwlines->ain[1] = new AnalogIn(ADC2);
00075 
00076     hwlines->snr[0] = new DigitalIn(AD0);
00077     hwlines->snr[1] = new DigitalIn(AD1);
00078     hwlines->snr[2] = new DigitalIn(AD2);
00079     hwlines->snr[3] = new DigitalIn(AD3);
00080     hwlines->snr[4] = new DigitalIn(AD4);
00081 
00082 }
00083 
00084 // select intern or extern cal   0 = intern, 1 is extern 
00085 void setcalsource(int external, HWlines hwl) {
00086     *(hwl.calext) = 0;    
00087     *(hwl.calint[0]) = 0;
00088     *(hwl.calint[1]) = 0;  //disable all 
00089     if (external == 1) {
00090         *(hwl.calext) = 1;
00091     } else {
00092         *(hwl.calint[0]) = 1;
00093         *(hwl.calint[1]) = 1;
00094     }
00095 }
00096 
00097 // set the default , save values 
00098 void setdefault(HWlines hwl) {
00099         for (int i = 0; i < 2; i++) {
00100             hwl.msio[i]->input();
00101             *(hwl.direction[i]) = RDIR_IN;
00102             *(hwl.stio_mo[i]) = LDIR_IN;
00103             hwl.sclk[i]->write(0);
00104             hwl.csb1[i]->write(0);
00105             hwl.csb2[i]->write(0);
00106             hwl.t_cs[i]->write(0);
00107             hwl.tc_cs1[i]->write(0);
00108             hwl.tc_cs2[i]->write(0);
00109             hwl.dac_cs[i]->write(0);
00110             hwl.dac_rst[i]->write(0);                                               
00111         }
00112         setcalsource(0, hwl); //intern
00113 }
00114 
00115 
00116 void set_bi_spi_mo(int masterout, DigitalInOut * msio, DigitalOut * ldir,
00117                    DigitalOut * rdir) {
00118     // default directions 
00119     if (masterout == 0) { // master in
00120         msio->input();
00121         rdir->write(RDIR_IN);            
00122         ldir->write(LDIR_IN);
00123     } else { //master out  
00124         ldir->write(LDIR_OUT);
00125         msio->output();
00126         rdir->write(RDIR_OUT);
00127     }
00128 }
00129 
00130 char libversion[MAXLIBVERCHAR] = {'e', 'm', 'p', 't', 'y', '\0'};
00131 
00132 char * hwfunct_lib_version() {
00133     sprintf(libversion,
00134             "hw lib versions  src : %s header:  %s pindef %s,date:%s %s \n\r",
00135             HW_LIB_SRC_VERSION, HW_LIB_HDR_VERSION, PINDEF_VER, __DATE__,
00136             __TIME__);
00137     return libversion;
00138 }
00139 
00140 int get_serialnr(HWlines * hwlines) {
00141     int snr = 0;
00142     for (int bitnr = 4; bitnr >= 0; bitnr--) {
00143         snr = snr << 1;
00144         snr |= hwlines->snr[bitnr]->read();
00145     }
00146     return snr;
00147 }