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UI.c
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UI.c
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#include <stdlib.h>
#include <stdint.h>
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/stm32/timer.h>
#include <libopencm3/stm32/pwr.h>
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/f1/bkp.h>
#include <libopencm3/cm3/scb.h>
#include "debug.h"
#include "cdcacm.h"
#include "buspirateNG.h"
#include "UI.h"
#include "protocols.h"
#include "AUXpin.h"
#include "ADC.h"
#include "bpflash.h"
#include "LA.h"
#include "sump.h"
// globals
uint32_t cmdhead, cmdtail, cursor; // TODO swap head an tail?
char cmdbuff[CMDBUFFSIZE];
struct _modeConfig modeConfig;
// global constants
const char vpumodes[][4] = {
"EXT\0",
"3V3\0",
"5V0\0"
};
const char bitorders[][4] ={
"MSB\0",
"LSB\0"
};
const char states[][4] ={
"OFF\0",
"ON\0"
};
const char displaymodes[][4] ={
"DEC\0",
"HEX\0",
"OCT\0",
"BIN\0"
};
// eats up the spaces and comma's from the cmdline
void consumewhitechars(void)
{
while((cmdtail!=cmdhead)&&((cmdbuff[cmdtail]==' ')||(cmdbuff[cmdtail]==',')))
{
cmdtail=(cmdtail+1)&(CMDBUFFSIZE-1);
}
}
// decodes value from the cmdline
// XXXXXX integer
// 0xXXXX hexadecimal
// 0bXXXX binair
uint32_t getint(void)
{
int i;
uint32_t number;
i=0;
number=0;
if((cmdbuff[cmdtail]>=0x31)&&(cmdbuff[cmdtail]<=0x39)) // 1-9 decimal
{
number=cmdbuff[cmdtail]-0x30;
i=1;
while((cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]>=0x30)&&(cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]<=0x39))
{
number*=10;
number+=cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]-0x30;
i++;
}
}
else if(cmdbuff[cmdtail]==0x30)
{
if((cmdbuff[((cmdtail+1)&(CMDBUFFSIZE-1))]>=0x30)&&(cmdbuff[((cmdtail+1)&(CMDBUFFSIZE-1))]<=0x39)) // 0-9 decimal
{
i=2;
while((cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]>=0x30)&&(cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]<=0x39))
{
number*=10;
number+=cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]-0x30;
i++;
}
}
else if((cmdbuff[((cmdtail+1)&(CMDBUFFSIZE-1))]=='x')||(cmdbuff[((cmdtail+1)&(CMDBUFFSIZE-1))]=='X')) // 0x hexadecimal
{
i=2;
while(((cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]>=0x30)&&(cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]<=0x39)) || \
((cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]>='a')&&(cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]<='f')) || \
((cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]>='A')&&(cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]<='F')))
{
number<<=4;
if((cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]>=0x30)&&(cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]<=0x39))
{
number+=cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]-0x30;
}
else
{
cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]|=0x20; // to lowercase
number+=cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]-0x57; // 0x61 ('a') -0xa
}
i++;
}
}
else if((cmdbuff[((cmdtail+1)&(CMDBUFFSIZE-1))]=='b')||(cmdbuff[((cmdtail+1)&(CMDBUFFSIZE-1))]=='B')) // 0b hexadecimal
{
i=2;
while((cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]>=0x30)&&(cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]<=0x31))
{
number<<=1;
number+=cmdbuff[((cmdtail+i)&(CMDBUFFSIZE-1))]-0x30;
i++;
}
}
else // not perse wrong assume user entered 0
{
number=0;
i=1;
// modeConfig.error=1;
}
}
else
{
modeConfig.error=1;
}
// update cmdbuff pointers
cmdtail=((cmdtail+(i-1))&(CMDBUFFSIZE-1));
// tell the userinput (0 can be error!!)
return number;
}
// initializes the variables
void initUI(void)
{
int i;
for(i=0; i<CMDBUFFSIZE; i++) cmdbuff[i]=0;
cmdhead=0;
cmdtail=0;
modeConfig.wwr=0;
modeConfig.numbits=8;
modeConfig.oc=0;
modeConfig.mode=0;
modeConfig.pullups=0;
modeConfig.vpumode=0;
modeConfig.psu=0;
modeConfig.bitorder=0;
modeConfig.error=0;
modeConfig.displaymode=0;
modeConfig.pwm=0;
modeConfig.mosiport=0;
modeConfig.mosipin=0;
modeConfig.misoport=0;
modeConfig.misopin=0;
modeConfig.csport=0;
modeConfig.cspin=0;
modeConfig.clkport=0;
modeConfig.clkpin=0;
modeConfig.subprotocolname=0;
}
// one big loop eating all user input. executed/interpretted it when the user presses enter
//
void doUI(void)
{
int go;
char c;
uint32_t temp, temp2, temp3, repeat, received, bits;
int i;
go=0;
// wait for usb ready
// while(!usbready());
delayms(500);
// show welcome
//versioninfo();
//cdcprintf("%s> ", protocols[modeConfig.mode].protocol_name);
while(1)
{
getuserinput();
//command received, start logic capture
//TODO: destinguish between bus and non-bus commands
logicAnalyzerCaptureStart();
//cdcprintf2("cmd=%s\r\n", cmdbuff+cmdtail);
// for(i=0; i<512; i++)
// {
// cdcputc2(((cmdbuff[i]>=0x20)&&(cmdbuff[i]<=0x7E))?cmdbuff[i]:'_');
// }
// cdcprintf2("\r\n");
if(protocols[modeConfig.mode].protocol_periodic())
go=2;
else
go=1;
cdcprintf("\r\n");
while((go==1)&&(cmdtail!=cmdhead))
{
c=cmdbuff[cmdtail];
switch (c)
{
case '(':
cmdtail=(cmdtail+1)&(CMDBUFFSIZE-1); // advance 1 position
temp=getint();
cmdtail=(cmdtail+1)&(CMDBUFFSIZE-1); // advance 1
if(cmdbuff[cmdtail]==')')
{
protocols[modeConfig.mode].protocol_macro(temp);
}
else
{
modeConfig.error=1;
cdcprintf("Error parsing macro");
}
break;
case '[': modeConfig.wwr=0;
protocols[modeConfig.mode].protocol_start();
break;
case ']': modeConfig.wwr=0;
protocols[modeConfig.mode].protocol_stop();
break;
case '{': modeConfig.wwr=1;
protocols[modeConfig.mode].protocol_startR();
break;
case '}': modeConfig.wwr=0;
protocols[modeConfig.mode].protocol_stopR();
break;
case '/': protocols[modeConfig.mode].protocol_clkh();
break;
case '\\': protocols[modeConfig.mode].protocol_clkl();
break;
case '^': protocols[modeConfig.mode].protocol_clk();
break;
case '-': protocols[modeConfig.mode].protocol_dath();
break;
case '_': protocols[modeConfig.mode].protocol_datl();
break;
case '.': protocols[modeConfig.mode].protocol_dats();
break;
case '!': protocols[modeConfig.mode].protocol_bitr();
break;
case '&': repeat=getrepeat();
if(repeat<10) repeat=10; // minimum is 10us!
cdcprintf("Delaying %d us", repeat);
while(repeat--)
{
delayus(1);
}
break;
case '%': repeat=getrepeat();
cdcprintf("Delaying %d ms", repeat);
while(repeat--)
{
delayms(1);
}
break;
case 'a': if(modeConfig.mode!=HIZ)
{
cdcprintf("SET AUX=0");
setAUX(0);
}
else
{
cdcprintf("Can't set AUX in HiZ mode!");
modeConfig.error=1;
}
break;
case 'A': if(modeConfig.mode!=HIZ)
{
cdcprintf("SET AUX=1");
setAUX(1);
}
else
{
cdcprintf("Can't set AUX in HiZ mode!");
modeConfig.error=1;
}
break;
case '@': if(modeConfig.mode!=HIZ)
{
cdcprintf("AUX=%d", getAUX());
}
else
{
cdcprintf("Can't read AUX in HiZ mode!");
modeConfig.error=1;
}
break;
case 'b': if(modeConfig.mode!=HIZ)
{
temp=askint(VPUMENU, 1, 3, 1);
modeConfig.vpumode=temp-1;
gpio_clear(BP_VPU50EN_PORT, BP_VPU50EN_PIN); // Vpu=ext
gpio_clear(BP_VPU33EN_PORT, BP_VPU33EN_PIN);
}
switch(modeConfig.vpumode)
{
case 1: // 3v3
gpio_set(BP_VPU33EN_PORT, BP_VPU33EN_PIN);
gpio_clear(BP_VPU50EN_PORT, BP_VPU50EN_PIN);
case 2: // 5v0
gpio_set(BP_VPU33EN_PORT, BP_VPU33EN_PIN);
gpio_set(BP_VPU50EN_PORT, BP_VPU50EN_PIN);
default:
gpio_clear(BP_VPU50EN_PORT, BP_VPU50EN_PIN);
gpio_clear(BP_VPU33EN_PORT, BP_VPU33EN_PIN);
}
break;
case 'd': if(modeConfig.mode!=HIZ)
{
cdcprintf("ADC=%0.2fV", voltage(BP_ADC_CHAN, 1));
}
else
{
cdcprintf("Can't read ADC in HiZ mode!");
modeConfig.error=1;
}
break;
case 'D': if(modeConfig.mode!=HIZ)
{
cdcprintf("Press any key to exit\r\n");
while(!cdcbyteready())
{
cdcprintf("ADC=%0.2fV\r", voltage(BP_ADC_CHAN, 1));
delayms(250);
}
cdcgetc();
}
else
{
cdcprintf("Can't read ADC in HiZ mode!");
modeConfig.error=1;
}
break;
case 'f': cdcprintf("freq=%ld Hz", getfreq());
break;
case 'g': setPWM(0, 0); // disable PWM
break;
case 'G': if(modeConfig.mode!=HIZ)
{
temp=askint(PWMMENUPERIOD, 1, 0xFFFFFFFF, 1000);
temp2=askint(PWMMENUOC, 1, 0xFFFFFFFF, 200);
setPWM(temp, temp2); // enable PWM
if(modeConfig.pwm)
cdcprintf("\r\nPWM on");
else
cdcprintf("\r\nPWM off");
}
else
{
cdcprintf("Can't use PWM in HiZ mode!");
}
break;
case 'h':
case '?': printhelp();
break;
case 'H': protocols[modeConfig.mode].protocol_help();
break;
case 'i': versioninfo();
break;
case 'l': modeConfig.bitorder=0;
cdcprintf("Bitorder: MSB");
break;
case 'L': modeConfig.bitorder=1;
cdcprintf("Bitorder: LSB");
break;
case 'm': changemode();
break;
case 'o': changedisplaymode();
break;
case 'p': gpio_clear(BP_VPUEN_PORT, BP_VPUEN_PIN); // always permitted
cdcprintf("pullups: disabled");
modeConfig.pullups=0;
break;
case 'P': if(modeConfig.mode!=0) // reset vpu mode to externale??
{
gpio_set(BP_VPUEN_PORT, BP_VPUEN_PIN);
cdcprintf("pullups: enabled\r\n");
delayms(10);
cdcprintf("Vpu=%0.2fV (mode=%s)", voltage(BP_VPU_CHAN, 1), vpumodes[modeConfig.vpumode]);
modeConfig.pullups=1;
}
else
{
cdcprintf("Cannot enable pullups in HiZ");
modeConfig.error=1;
}
break;
case 'r': repeat=getrepeat();
while(repeat--)
{
received=protocols[modeConfig.mode].protocol_read();
cdcprintf("RX: ");
printnum(received);
if(repeat) cdcprintf("\r\n");
}
break;
case 'v': showstates();
break;
case 'w': gpio_clear(BP_PSUEN_PORT, BP_PSUEN_PIN); // always permitted to shut power off
cdcprintf("PSU: disabled");
modeConfig.psu=0;
break;
case 'W': if(modeConfig.mode!=0)
{
gpio_set(BP_PSUEN_PORT, BP_PSUEN_PIN);
cdcprintf("PSU: enabled\r\n");
delayms(10);
cdcprintf("V33=%0.2fV, V50=%0.2fV", voltage(BP_3V3_CHAN, 1), voltage(BP_5V0_CHAN, 1));
if((voltage(BP_3V3_CHAN, 1)<3.0)||(voltage(BP_5V0_CHAN, 1)<4.5))
{
cdcprintf("\r\nShort circuit!");
gpio_clear(BP_PSUEN_PORT, BP_PSUEN_PIN);
}
else
modeConfig.psu=1;
}
else
{
cdcprintf("Cannot enable PSU in HiZ!");
modeConfig.error=1;
}
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9': temp=getint();
bits=getnumbits(); // sequence is important! TODO: make freeform
if(bits) modeConfig.numbits=bits;
repeat=getrepeat();
if (modeConfig.numbits<32) temp&=((1<<modeConfig.numbits)-1);
while(repeat--)
{
cdcprintf("TX: ");
printnum(temp);
cdcprintf(" ");
received=protocols[modeConfig.mode].protocol_send(orderbits(temp)); // reshuffle bits if necessary
if(modeConfig.wwr)
{
cdcprintf(", RX: ");
printnum(received);
}
if(repeat) cdcprintf("\r\n");
}
break;
case '\"': temp=1;
modeConfig.error=1;
cmdtail=(cmdtail+1)&(CMDBUFFSIZE-1);
while((((cmdtail+temp)&(CMDBUFFSIZE-1))!=cmdhead)&&(cmdbuff[((cmdtail+temp)&(CMDBUFFSIZE-1))]!='\"'))
{
temp++;
if(cmdbuff[((cmdtail+temp)&(CMDBUFFSIZE-1))]=='\"') modeConfig.error=0;
}
if(!modeConfig.error)
{
temp=0;
while(cmdbuff[cmdtail]!='\"')
{
cdcprintf("TX: ");
printnum(cmdbuff[cmdtail]);
cdcprintf(" ");
received=protocols[modeConfig.mode].protocol_send(orderbits(cmdbuff[cmdtail])); // reshuffle bits if necessary
if(modeConfig.wwr)
{
cdcprintf(", RX: ");
printnum(received);
}
cdcprintf("\r\n");
cmdtail=(cmdtail+1)&(CMDBUFFSIZE-1);
}
}
else
cdcprintf("missing terminating \"");
case 0x00:
case ' ': break;
case ',': break; // reuse this command??
case '$': jumptobootloader();
break;
case '#': reset();
break;
case '=': cmdtail=(cmdtail+1)&(CMDBUFFSIZE-1);
temp=getint();
temp2=modeConfig.displaymode; // remember old displaymode
temp3=modeConfig.numbits; // remember old numbits
modeConfig.numbits=32;
for(i=0; i<4; i++)
{
cdcprintf("=");
modeConfig.displaymode=i;
printnum(temp);
}
modeConfig.numbits=temp3;
break;
case '|': cmdtail=(cmdtail+1)&(CMDBUFFSIZE-1);
temp=getint();
temp2=modeConfig.displaymode; // remember old displaymode
modeConfig.bitorder^=1;
temp3=modeConfig.numbits; // remember old numbits
modeConfig.numbits=32;
for(i=0; i<4; i++)
{
cdcprintf("|");
modeConfig.displaymode=i;
printnum(orderbits(temp));
}
modeConfig.bitorder^=1;
modeConfig.numbits=temp3;
break;
default: cdcprintf("Unknown command: %c", c);
modeConfig.error=1;
//go=0;
//cmdtail=cmdhead-1;
break;
}
cmdtail=(cmdtail+1)&(CMDBUFFSIZE-1); // advance to next char/command
if((c!=' ')&&(c!=0x00)&&(c!=',')) cdcprintf("\r\n");
if(modeConfig.error) // something went wrong
{
cdcprintf("\x07"); // bell!
go=0;
cmdtail=cmdhead;
modeConfig.error=0;
}
}
//stop logic capture and dump data
//TODO:destinguish between bus activity and other commands
//only dump if bus command executed
logicAnalyzerCaptureStop();
if(modeConfig.logicanalyzerstop==0xff){
cdcprintf("\x07Logic analyzer full before end of command!\r\n");
}
if(modeConfig.subprotocolname)
cdcprintf("%s-(%s)> ", protocols[modeConfig.mode].protocol_name, modeConfig.subprotocolname);
else
cdcprintf("%s> ", protocols[modeConfig.mode].protocol_name);
if(go==2)
{
temp=0;
while(((cmdtail+temp)&(CMDBUFFSIZE-1))!=cmdhead)
{
cdcputc(cmdbuff[((cmdtail+temp)&(CMDBUFFSIZE-1))]);
temp++;
}
}
go=0;
}
}
// display teh versioninfo about the buspirate
// when not in HiZ mode it dumps info about the pins/voltags etc.
void versioninfo(void)
{
int i;
uint32_t *id = (uint32_t *)0x1FFFF7E8;
uint16_t flashsize = *(uint16_t *) 0x1FFFF7E0;
uint16_t ramsize=96;
uint32_t pwmperiod, pwmoc;
// sram and flash size goed hand in hand
if(flashsize<=16) ramsize=6;
else if(flashsize<=32) ramsize=10;
else if(flashsize<=128) ramsize=20;
else if(flashsize<=512) ramsize=64;
else ramsize=96;
cdcprintf("Bus Pirate NextGen %s\r\n", BP_PLATFORM);
cdcprintf("Firmware %s (%s), bootloader N/A\r\n", FIRMWARE_VERSION, FWVER);
cdcprintf("STM32 with %dK FLASH, %dK SRAM ", flashsize, ramsize);
cdcprintf("s/n: %08X%08X%08X\r\n", id[0], id[1], id[2]);
cdcprintf("https://dangerousprototypes.com/\r\n");
cdcprintf("Available busprotocols:");
for(i=0; i<MAXPROTO; i++)
{
cdcprintf(" %s", protocols[i].protocol_name);
}
cdcprintf("\r\n");
protocols[modeConfig.mode].protocol_settings();
cdcprintf("\r\n");
if(modeConfig.mode!=HIZ)
{
cdcprintf("#bits: %d, ",modeConfig.numbits);
cdcprintf("bitorder: %s, ", bitorders[modeConfig.bitorder]);
cdcprintf("PU: %s, ", states[modeConfig.pullups]);
cdcprintf("Vpu mode: %s, ", vpumodes[modeConfig.vpumode]);
cdcprintf("Power: %s\r\n", states[modeConfig.psu]);
cdcprintf("Displaymode: %s, ", displaymodes[modeConfig.displaymode]);
cdcprintf("PWM: %s\r\n", states[modeConfig.pwm]);
if(modeConfig.pwm)
{
pwmperiod=TIM_ARR(BP_PWM_TIMER);
// TODO is there a better way to do this?
#if(BP_PWM_CHANCHAN==1)
pwmoc=TIM_CCR1(BP_PWM_TIMER);
#endif
#if(BP_PWM_CHANCHAN==2)
pwmoc=TIM_CCR2(BP_PWM_TIMER);
#endif
#if(BP_PWM_CHANCHAN==3)
pwmoc=TIM_CCR3(BP_PWM_TIMER);
#endif
#if(BP_PWM_CHANCHAN==4)
pwmoc=TIM_CCR4(BP_PWM_TIMER);
#endif
cdcprintf("PWM clock %d Hz, dutycycle %0.2f\r\n", (36000000/pwmperiod), (float)((pwmoc*1.0)/pwmperiod));
}
showstates();
}
}
const char pinstates[][4] = {
"0\0",
"1\0",
"N/A\0"
};
const char pinmodes[][5] ={
"ANA.\0", // analogue
"I-FL\0", // input float
"I-UD\0", // input pullup/down
"???\0", // illegal
"O-PP\0", // output pushpull
"O-OD\0", // output opendrain
"O PP\0", // output pushpull peripheral
"O OD\0", // output opendrain peripheral
"----\0" // pin is not used
};
uint8_t getpinmode(uint32_t port, uint16_t pin)
{
uint32_t crl, crh;
uint8_t pinmode, crpin, i;
crl = GPIO_CRL(port);
crh = GPIO_CRH(port);
crpin=0;
for(i=0; i<16; i++)
{
if((pin>>i)&0x0001)
{
crpin=(i<8?(crl>>(i*4)):(crh>>((i-8)*4)));
crpin&=0x000f;
}
}
pinmode=crpin>>2;
if(crpin&0x03) // >1 is output
{
pinmode+=4;
}
return pinmode;
}
// show voltages/pinstates
void showstates(void)
{
uint8_t auxstate, csstate, misostate, clkstate, mosistate;
uint8_t auxmode, csmode, misomode, clkmode, mosimode;
float v50, v33, vpu, adc;
cdcprintf("1.GND\t2.+5v\t3.+3V3\t4.Vpu\t5.ADC\t6.AUX\t7.CS\t8.MISO\t9.CLK\t10.MOSI\r\n");
cdcprintf("GND\t+5v\t+3V3\tVpu\tADC\tAUX\t");
protocols[modeConfig.mode].protocol_pins();
cdcprintf("\r\n");
// read pindirection
auxmode=getpinmode(BP_AUX_PORT, BP_AUX_PIN);
if(modeConfig.csport)
csmode=getpinmode(modeConfig.csport, modeConfig.cspin);
else
csmode=9;
if(modeConfig.misoport)
misomode=getpinmode(modeConfig.misoport, modeConfig.misopin);
else
misomode=9;
if(modeConfig.clkport)
clkmode=getpinmode(modeConfig.clkport, modeConfig.clkpin);
else
clkmode=9;
if(modeConfig.mosiport)
mosimode=getpinmode(modeConfig.mosiport, modeConfig.mosipin);
else
mosimode=9;
cdcprintf("PWR\tPWR\tPWR\tPWR\tAN\t%s\t%s\t%s\t%s\t%s\r\n", pinmodes[auxmode], pinmodes[csmode], pinmodes[misomode], pinmodes[clkmode], pinmodes[mosimode]);
// pinstates
auxstate=(gpio_get(BP_AUX_PORT, BP_AUX_PIN)?1:0);
if(modeConfig.csport)
csstate=(gpio_get(modeConfig.csport, modeConfig.cspin)?1:0);
else
csstate=2;
if(modeConfig.misoport)
misostate=(gpio_get(modeConfig.misoport, modeConfig.misopin)?1:0);
else
misostate=2;
if(modeConfig.clkport)
clkstate=(gpio_get(modeConfig.clkport, modeConfig.clkpin)?1:0);
else
clkstate=2;
if(modeConfig.mosiport)
mosistate=(gpio_get(modeConfig.mosiport, modeConfig.mosipin)?1:0);
else
mosistate=2;
// adcs
v33=voltage(BP_3V3_CHAN, 1);
v50=voltage(BP_5V0_CHAN, 1);
vpu=voltage(BP_VPU_CHAN, 1); // TODO make difference between vextern (pin) and vpu (voltage used)??
adc=voltage(BP_ADC_CHAN, 1);
// show state of pin
cdcprintf("GND\t%0.2fV\t%0.2fV\t%0.2fV\t%0.2fV\t%s\t%s\t%s\t%s\t%s\r\n", v50, v33, vpu, adc, pinstates[auxstate], pinstates[csstate], pinstates[misostate], pinstates[clkstate], pinstates[mosistate]);
}
// takes care of mode switchover
void changemode(void)
{
uint32_t mode;
int i;
cmdtail=(cmdtail+1)&(CMDBUFFSIZE-1); // pointer is set to 'm' we should advance 1
consumewhitechars(); // eat whitechars
mode=getint();
if((mode>MAXPROTO)||(mode==0))
{
cdcprintf("\r\nIllegal mode!\r\n");
modeConfig.error=1;
}
while(modeConfig.error) // no integer found
{
cdcprintf("\x07");
modeConfig.error=0;
for(i=0; i<MAXPROTO; i++)
cdcprintf(" %d. %s\r\n", i+1, protocols[i].protocol_name);
cdcprintf("Mode> ");
cmdtail=cmdhead; // flush all input
getuserinput();
consumewhitechars();
mode=getint();
if((mode>MAXPROTO)||(mode==0))
{
cdcprintf("\r\nIllegal mode!\r\n");
modeConfig.error=1;
}
}
protocols[modeConfig.mode].protocol_cleanup(); // switch to HiZ
protocols[0].protocol_setup_exc(); // disables powersuppy etc.
modeConfig.mode=mode-1;
protocols[modeConfig.mode].protocol_setup(); // setup the new mode
protocols[modeConfig.mode].protocol_setup_exc();
if(modeConfig.mode==0) gpio_clear(BP_MODE_LED_PORT, BP_MODE_LED_PIN);
else gpio_set(BP_MODE_LED_PORT, BP_MODE_LED_PIN);
}
// set display mode (hex, bin, octa, dec)
void changedisplaymode(void)
{
uint32_t displaymode;
int i;
cmdtail=(cmdtail+1)&(CMDBUFFSIZE-1); // pointer is set to 'o' we should advance 1
consumewhitechars(); // eat whitechars
displaymode=getint();
if((displaymode>4)||(displaymode==0))
{
cdcprintf("\r\nIllegal displaymode!\r\n");
modeConfig.error=1;
}
while(modeConfig.error) // no integer found
{
cdcprintf("\x07");
modeConfig.error=0;
for(i=0; i<4; i++)
cdcprintf(" %d. %s\r\n", i+1, displaymodes[i]);
cdcprintf("Displaymode>");
cmdtail=cmdhead; // flush all input
getuserinput();
consumewhitechars();
displaymode=getint();
if((displaymode>4)||(displaymode==0))
{
cdcprintf("\r\nIllegal displaymode!\r\n");
modeConfig.error=1;
}
}
modeConfig.displaymode=displaymode-1;
}
// displays the help
void printhelp(void)
{
cdcprintf(" General\t\t\t\t\tProtocol interaction\r\n");
cdcprintf(" ---------------------------------------------------------------------------\r\n");
cdcprintf(" \t\t\t\t\t(0)\tList current macros\r\n");
cdcprintf(" =X/|X\tConverts X/reverse X\t\t(x)\tMacro x\r\n");
cdcprintf(" ~\tSelftest\t\t\t[\tStart\r\n");
cdcprintf(" #\tReset the BP \t\t\t]\tStop\r\n");
cdcprintf(" $\tJump to bootloader\t\t{\tStart with read\r\n");
cdcprintf(" &/%%\tDelay 1 us/ms\t\t\t}\tStop\r\n");
cdcprintf(" a/A/@\tAUXPIN (low/HI/READ)\t\t\"abc\"\tSend string\r\n");
cdcprintf(" b\tSet vpumode\t\t\t123\r\n");
cdcprintf(" c/C\tAUX assignment (aux/CS)\t\t0x123\r\n");
cdcprintf(" d/D\tMeasure ADC (once/CONT.)\t0b110\tSend value\r\n");
cdcprintf(" f\tMeasure frequency\t\tr\tRead\r\n");
cdcprintf(" g/S\tGenerate PWM/Servo\t\t/\tCLK hi\r\n");
cdcprintf(" h/H/?\tHelp (general/PROTOCOL)\t\\\tCLK lo\r\n");
cdcprintf(" i\tVersioninfo/statusinfo\t\t^\tCLK tick\r\n");
cdcprintf(" l/L\tBitorder (msb/LSB)\t\t-\tDAT hi\r\n");
cdcprintf(" m\tChange mode\t\t\t_\tDAT lo\r\n");
cdcprintf(" o\tSet output type\t\t\t.\tDAT read\r\n");
cdcprintf(" p/P\tPullup resistors (off/ON)\t!\tBit read\r\n");
cdcprintf(" s\tScript engine\t\t\t:\tRepeat e.g. r:10\r\n");
cdcprintf(" v\tShow volts/states\t\t.\tBits to read/write e.g. 0x55.2\r\n");
cdcprintf(" w/W\tPSU (off/ON)\t\t<x>/<x= >/<0>\tUsermacro x/assign x/list all\r\n");
}
// copies an previous cmd to current position int cmdbuff
int cmdhistory(int ptr)
{
int i;
uint32_t temp;
i=1;
for (temp=(cmdtail-2)&(CMDBUFFSIZE-1); temp!=cmdhead; temp=(temp-1)&(CMDBUFFSIZE-1))
{
if(!cmdbuff[temp]) ptr--;
if((ptr==0)&&(cmdbuff[(temp+1)&(CMDBUFFSIZE-1)])) // do we want this one?
{
while(cursor!=((cmdhead)&(CMDBUFFSIZE-1))) //clear line to end
{
cdcputc(' ');
cursor=(cursor+1)&(CMDBUFFSIZE-1);
}
while(cursor!=((cmdtail)&(CMDBUFFSIZE-1))) //move back to start;
{
cdcprintf("\x1B[D \x1B[D");
cursor=(cursor-1)&(CMDBUFFSIZE-1);
}
while(cmdbuff[(temp+i)&(CMDBUFFSIZE-1)])
{
cmdbuff[(cmdtail+i-1)&(CMDBUFFSIZE-1)]=cmdbuff[(temp+i)&(CMDBUFFSIZE-1)];
cdcputc(cmdbuff[(temp+i)&(CMDBUFFSIZE-1)]);
i++;
}
cmdhead=(cmdtail+i-1)&(CMDBUFFSIZE-1);
cursor=cmdhead;
cmdbuff[cmdhead]=0x00;
break;
}
}
return (!ptr);
}
// handles the userinput
void getuserinput(void)
{
int go, histptr;
char c;
uint32_t temp;
go=0;
cursor=cmdhead;
histptr=0;
while(!go)
{
if(cdcbyteready())
{
c=cdcgetc();
switch(c)
{
case 0x08: // backspace
if((cmdhead!=cmdtail)&&(cursor!=cmdtail)) // not empty or at beginning?
{
if(cursor==cmdhead) // at end?
{
cmdhead=(cmdhead-1)&(CMDBUFFSIZE-1);
cursor=cmdhead;
cdcputs("\x08 \x08");
cmdbuff[cmdhead]=0x00;
}
else
{
temp=cursor;
cdcprintf("\x1B[D");
while(temp!=cmdhead)
{
cmdbuff[((temp-1)&(CMDBUFFSIZE-1))]=cmdbuff[temp];
cdcputc(cmdbuff[temp]);
temp=(temp+1)&(CMDBUFFSIZE-1);
}
cdcputc(' ');
cmdbuff[cmdhead]=0x00;
cmdhead=(cmdhead-1)&(CMDBUFFSIZE-1);
cursor=(cursor-1)&(CMDBUFFSIZE-1);
cdcprintf("\x1B[%dD", ((cmdhead-cursor+1)&(CMDBUFFSIZE-1)));
}
}
else cdcputc('\x07');
break;
case '\r': cmdbuff[cmdhead]=0x00;
cmdhead=(cmdhead+1)&(CMDBUFFSIZE-1);
go=1;
break;
case '\x1B': c=cdcgetc();
if(c=='[')
{
c=cdcgetc();
switch(c)
{
case 'D': if(cursor!=cmdtail) // left
{
cursor=(cursor-1)&(CMDBUFFSIZE-1);
cdcprintf("\x1B[D");
}