wimbeaumont Project
test program to test / develop the SOLID slow control
Dependencies: AD5384 SWSPI S25FL216K S_SCTRL_SMlib T_adt7320 adc_ad9249 sscm_comm mbed
Revision 0:35e1c447c9e8, committed 2014-09-23
- Comitter:
- wbeaumont
- Date:
- Tue Sep 23 08:25:38 2014 +0000
- Child:
- 1:17b3c72d8357
- Commit message:
- version with response from ADC
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/AD5384.cpp Tue Sep 23 08:25:38 2014 +0000
@@ -0,0 +1,68 @@
+#include "AD5384.h"
+
+
+#include "mbed.h"
+
+#define nrch 40 // nr channels
+#define p2_14 163834
+#define p2_13 8192
+
+#define C_ACTIVE 0
+#define C_DEACTIVE 1
+
+
+// spi mode has to be set for each transmission as spi bus can be shared
+
+
+
+
+AD5384::AD5384(SWSPI *spiinterface ,DigitalOut* chipselect) {
+ vref=2.5;
+ spi=spiinterface;
+ cs=chipselect;
+ for ( int nc=0 ; nc < nrch; nc++){
+ gain[nc]=0x3FFE;
+ offset[nc]=0x2000;
+ }
+ };
+
+ u16 AD5384::calculate_dac_setting(u8 nr, float vout ) {
+ //Vout = 2 * Vref * x2 / 2^n => x2 = Vout * 2^14 /(2 * Vref)
+ // x2 is loaded to the DAC string
+ // x1 is the 14 bit DAC wordt written to the DAC input register
+ if( nr >39 ) return 0;
+ float x2= vout * p2_14 /(2 *vref);
+ // x2 = [(gain+2)/2^n * x1] + offset-2^13
+ // x1 = 2^14/(gain+2) * [ x2 - offset+2^13 ]
+ u16 x1 = p2_14/(gain[nr]+1) *( x2- offset[nr]+p2_13);
+ dac[nr]=x1 ;
+ return x1;
+ };
+
+
+u32 AD5384::format_word(u8 mode,u8 ch,u8 rw,u16 data) {
+ // not clear what is the MSB bit ,set it to zero
+ u32 word= (rw&1) << 22;
+ u32 shift = ((u32)ch &0x1F) << 14;
+ word = word | shift;
+ shift = ((u32)mode & 0x3) << 13;
+ word = word | shift;
+ word = word | (data & 0x3FF);
+ return word;
+}
+
+void AD5384::set_spi_mode(){
+ spi->format(24,0);
+ spi->frequency(10000000);
+}
+
+ void AD5384::set_volt(u8 ch, float vout ){
+ volt[ch]=vout;
+ u16 dacin=calculate_dac_setting(ch, vout );
+ set_spi_mode();
+ u32 data=format_word(3,ch,0,dacin);
+ cs->write(C_ACTIVE);
+ spi->write(data);
+ cs->write(C_DEACTIVE);
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/AD5384.h Tue Sep 23 08:25:38 2014 +0000
@@ -0,0 +1,37 @@
+#ifndef AD5384_H
+#define AD5384_H
+
+#include "solid_sctrl_def.h"
+#include "SWSPI.h"
+
+/*
+ * class to set and readback the AD5384
+ * to minimize the access to the device there is a shadow of the DAC, GAIN and OFFSET values
+
+ * V 0.1 inital development to see if reading / writing is possible
+*/
+class SWSPI;
+#include "mbed.h"
+//class DigitalOut;
+
+class AD5384 {
+ SWSPI *spi ;
+ DigitalOut* cs;
+ float vref;
+
+ void set_spi_mode();
+ u16 calculate_dac_setting(u8 nr, float vout );
+ u32 format_word(u8 mode,u8 ch,u8 rw,u16 data) ;
+ public:
+ AD5384(SWSPI *spiinterface ,DigitalOut* chipselect );
+
+ u16 dac[40];
+ u16 gain[40];
+ u16 offset[40];
+ float volt[40];
+
+
+ void set_volt(u8 nr, float vout );
+};
+
+#endif
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/S25FL216K.lib Tue Sep 23 08:25:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Sissors/code/S25FL216K/#2bcefc9e64f8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SWSPI.lib Tue Sep 23 08:25:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/davervw/code/SWSPI/#02327a96a5e2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/S_SCTRL_SMlib.lib Tue Sep 23 08:25:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/wbeaumont/code/S_SCTRL_SMlib/#20f21cb7792e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/adc_ad9249.lib Tue Sep 23 08:25:38 2014 +0000 @@ -0,0 +1,1 @@ +adc_ad9249#9efb460e962b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/adt7320.h Tue Sep 23 08:25:38 2014 +0000
@@ -0,0 +1,23 @@
+#ifndef ADT7320_H
+#define ADT7320_H
+
+/*
+
+ adt7320 interface
+
+*/
+class spi_v;
+
+class at7320 {
+
+
+public:
+
+float getTemperature();
+
+};
+
+
+
+
+#endif
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Sep 23 08:25:38 2014 +0000
@@ -0,0 +1,118 @@
+#include "mbed.h"
+#include "mbed.h"
+#include "SWSPI.h"
+#include "SWSPI_BI.h"
+#include "S25FL216K.h"
+#include "AD5384.h"
+#include "AD9249.h"
+#include "S_SCTRL_SM1_PinDef.h"
+#include "S_SCTRL_SM1_hwfunct.h"
+
+#define VERSION 1
+#define SUBVERSION 3
+#define DEBUGPF(x) printf((x));
+// pin function pin id
+// SPI 1
+
+
+S25FL216K flash(F_MOSI, F_MISO, F_SCLK,F_CS);
+Serial pc(USBTX,USBRX);
+
+
+char c='.';
+void callback() {
+ // Note: you need to actually read from the serial to clear the RX interrupt
+ c = pc.getc();
+ printf("%c:",c );
+ }
+
+
+//++++++++++++++++++++++
+ int main() {
+
+ pc.attach(&callback);// handles the input on the RS232 interface
+ HWlines hwl ;
+ assignports( &hwl );
+ setdefault(hwl );
+
+ SWSPI spi(hwl.mosi[0],hwl.miso[0],hwl.sclk[0]); // mosi, miso, sclk
+ SWSPI spi2(hwl.mosi[1],hwl.miso[1],hwl.sclk[1]); // mosi, miso, sclk
+ SWSPI_BI spi_adc(hwl.msio[0],hwl.direction[0],hwl.stio_mo[0] ,hwl.sclk[0]); // msio, dir , sclk
+ SWSPI_BI spi_adc2(hwl.msio[1],hwl.direction[1],hwl.stio_mo[1],hwl.sclk[1]); // msio, dir , sclk
+
+
+ AD9249 adc[2][2]={AD9249( &spi_adc,hwl.csb1[0]), AD9249( &spi_adc,hwl.csb2[0]),
+ AD9249( &spi_adc2,hwl.csb1[1]), AD9249 ( &spi_adc2,hwl.csb2[1])};
+
+ AD5384 dac[2]={AD5384(&spi,hwl.dac_cs[0]), AD5384(&spi2,hwl.dac_cs[1]) };
+
+ //float humi;
+
+
+
+ DEBUGPF("start");
+ printf(" version %d.%02d compiled %s %s \n\r" , VERSION , SUBVERSION, __DATE__, __TIME__ );
+ printf(" boardserialnr %d \n\r", get_serialnr(&hwl));
+ u8 consel1=0;
+ u8 consel2=1;
+ u8 conls=0, conle=0; // connector select loop start , connector select loop stop
+ // cc == connector counter
+ if( consel1==1 && consel2== 0) { conls=0; conle=1;} // only first connector connected
+ else if( consel1==0 && consel2== 1) { conls=1; conle=2;} // only second connector connected
+ else if( consel1==1 && consel2== 1) { conls=0; conle=2;} //
+ else { conls=0; conle=0;} // no connectors connected
+ unsigned char id, grade ;
+
+
+ /* for (u8 cc= conls; cc < conle ; cc++) {
+ adc[cc][0].getDevInfo(id,grade);printf(" %d %d ",id, grade);
+ adc[cc][1].getDevInfo(id,grade);printf(" %d %d ",id, grade);
+
+ }*/
+ u32 count =0;
+ while(1) {
+ for (u8 cc= conls; cc < conle ; cc++) {
+ u16 rb,rb2;
+ adc[cc][0].getDevId(id);
+ adc[cc][0].getGrade(grade);
+ //adc[cc][0].getDevInfo(id,grade,rb);
+ printf("id %02X grade %02X",id, grade );
+ printf("\n\r");
+ adc[cc][0].setPattern1(0x1235);
+ adc[cc][0].setPattern2(0xA5FF);
+ adc[cc][0].readPattern1(rb);
+ adc[cc][0].readPattern2(rb2);
+ printf("pattern1 %04X pattern2 %04X",rb,rb2);
+ printf("\n\r");
+ // dac[cc].set_volt(count%32,count%163834);
+ }
+ wait(.5);count++;
+
+ /*
+ DEBUGPF("spi2\n\r");
+ spi.format(8, 0);
+ spi.frequency(10000000);
+ cs.write(0);
+ spi.write(0x9f);
+ jedecid = (spi.write(0) << 16) | (spi.write(0) << 8) | spi.write(0);
+ cs.write(1);
+ printf( "Jedec %d /n/r", jedecid);
+
+ DEBUGPF("spi3\n\r");
+ spi_adc.format(8,0);
+ spi_adc.frequency(10000000);
+ cs_adc.write(0);
+ spi_adc.write(0x9f);
+ jedecid = (spi_adc.write(0) << 16) | (spi_adc.write(0) << 8) | spi_adc.write(0);
+ cs_adc.write(1);
+ char c=0x12;
+ flash.write(0,&c,1);
+ DEBUGPF("dacset");
+ (void) dac.set_dac(4,2.21);
+ humi=ain1.read();
+ printf("humid %f \n ",humi);
+ */
+ }
+ }
+
+
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Sep 23 08:25:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1 \ No newline at end of file