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bridge_gpsim.cc
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bridge_gpsim.cc
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#include "bridge_gpsim.h"
#include <gpsim/pic-processor.h>
#include <gpsim/sim_context.h>
#include "../lib/util.h"
void simulation_cleanup(void);
static pic_processor* gpic = NULL;
static IOPIN* iopins[100];
int bridge_gpsim_init(const char* processor, const char* fileName, float freq) {
Processor* tempProc = 0l;
CSimulationContext::GetContext()->LoadProgram(fileName, processor, &tempProc, NULL);
gpic = dynamic_cast<pic_processor*>(tempProc);
bridge_gpsim_set_frequency(freq);
if (gpic) {
for (int pin = 1; pin <= bridge_gpsim_get_pin_count(); pin++) {
iopins[pin] = gpic->get_pin(pin);
}
}
return (gpic != NULL) - 1;
}
void bridge_gpsim_set_frequency(double freq) {
if (gpic) {
gpic->set_frequency(freq);
}
}
void bridge_gpsim_reset(void) {
if (gpic->is_sleeping())
gpic->exit_sleep();
gpic->reset(POR_RESET);
}
unsigned char bridge_gpsim_get_pin_count(void) {
if (gpic) {
return gpic->get_pin_count();
}
return 8;
}
const char* bridge_gpsim_get_pin_name(int pin) {
if (gpic) {
return gpic->get_pin_name(pin).c_str();
}
return "error";
}
unsigned char bridge_gpsim_get_pin_value(int pin) {
if (iopins[pin]) {
return iopins[pin]->getDrivingState();
}
return 0;
}
unsigned char bridge_gpsim_get_pin_dir(int pin) {
if (iopins[pin]) {
return (iopins[pin]->get_direction() == IOPIN::DIR_INPUT);
}
return 0;
}
void bridge_gpsim_set_pin_value(int pin, unsigned char value) {
char cPinState = iopins[pin]->getForcedDrivenState();
switch (cPinState) {
case '0':
case 'Z':
case 'X':
case '1':
if (value) {
iopins[pin]->forceDrivenState('1');
iopins[pin]->putState(true);
} else {
iopins[pin]->forceDrivenState('0');
iopins[pin]->putState(false);
}
break;
case 'W':
if (!value)
iopins[pin]->forceDrivenState('w');
break;
case 'w':
if (value)
iopins[pin]->forceDrivenState('W');
break;
}
}
void bridge_gpsim_set_apin_value(int pin, float value) {
iopins[pin]->set_is_analog(true);
iopins[pin]->set_Cth(5e-12);
iopins[pin]->set_nodeVoltage(value);
}
void bridge_gpsim_step(void) {
gpic->step_cycle();
bp.clear_halt();
}
void bridge_gpsim_end(void) {
CSimulationContext::GetContext()->Clear();
// simulation_cleanup ();
// Ugly hack to permit gpsim restart
// gpsim don't support restart yet
// https://sourceforge.net/p/gpsim/bugs/163/
for (int i = 0; i < 1000; i++) {
get_interface().remove_interface(i);
}
}
char* bridge_gpsim_get_processor_list(char* buff, unsigned int size) {
std::list<ProcessorConstructor*>::iterator processor_iterator;
ProcessorConstructorList* pl = ProcessorConstructor::GetList();
ProcessorConstructor* p;
buff[0] = 0;
// Print the name of each processor.
for (processor_iterator = pl->begin(); processor_iterator != pl->end(); processor_iterator++) {
p = *processor_iterator;
strncat(buff, p->names[1], size);
strncat(buff, ",", size);
}
return buff;
}
static int write_hex(unsigned char* mem, unsigned int size, unsigned short* config, unsigned int configsize,
unsigned int configaddr, const char* fname);
int bridge_gpsim_dump_memory(const char* fname) {
unsigned char* mem;
unsigned short* config;
unsigned short val;
unsigned int memsize = gpic->program_memory_size() * 2;
unsigned int configsize = gpic->getConfigMemory()->getnConfigWords();
unsigned int configaddr = 0x2007;
mem = (unsigned char*)malloc(memsize);
for (unsigned int i = 0; i < memsize; i += 2) {
val = gpic->program_memory[i / 2]->get_value();
mem[i + 1] = (val & 0xFF00) >> 8;
mem[i] = (val & 0x00FF);
}
config = (unsigned short*)malloc(configsize * 2);
for (unsigned int i = 0; i < configsize; i++) {
if (gpic->getConfigMemory()->getConfigWord(i)) {
config[i] = gpic->getConfigMemory()->getConfigWord(i)->getVal();
// gpic->config_word_address() don´t work for PIC18F!
configaddr = gpic->getConfigMemory()->getConfigWord(i)->ConfigWordAdd() - i;
} else {
config[i] = 0xFFFF;
}
}
int ret = write_hex(mem, memsize, config, configsize, configaddr, fname);
free(mem);
free(config);
return ret;
}
static int write_hex(unsigned char* mem, unsigned int size, unsigned short* config, unsigned int configsize,
unsigned int configaddr, const char* fname) {
FILE* fout;
unsigned char sum;
unsigned char nb;
unsigned int iaddr = 0;
unsigned int i;
char values[100];
char tmp[200];
fout = fopen_UTF8(fname, "w");
if (fout) {
// program memory
nb = 0;
sum = 0;
for (i = 0; i < size; i++) {
if (i == 0x00000)
fprintf(fout, ":020000040000FA\n");
if (i == 0x10000)
fprintf(fout, ":020000040001F9\n");
if (i == 0x20000)
fprintf(fout, ":020000040002F8\n");
if (i == 0x30000)
fprintf(fout, ":020000040003F7\n");
if (nb == 0) {
iaddr = i & 0xFFFF;
snprintf(values, 99, "%02X", mem[i]);
} else {
snprintf(tmp, 199, "%s%02X", values, mem[i]);
strcpy(values, tmp);
}
nb++;
sum += mem[i];
if (nb == 16) {
sum += nb;
sum += (iaddr & 0x00FF);
sum += ((iaddr & 0xFF00) >> 8);
// printf("sum=%02X %02X %02X\n",sum,~sum,(~sum)+1);
sum = (~sum) + 1;
fprintf(fout, ":%02X%04X00%s%02X\n", nb, iaddr, values, sum);
nb = 0;
sum = 0;
}
}
if (nb) {
sum += nb;
sum += (iaddr & 0x00FF);
sum += ((iaddr & 0xFF00) >> 8);
sum = (~sum) + 1;
fprintf(fout, ":%02X%04X00%s%02X\n", nb, iaddr, values, sum);
}
// config
nb = 0;
sum = 0;
if (configaddr > 0xFFFF) {
fprintf(fout, ":020000040030CA\n"); // FOR PIC18F
configaddr = 0;
for (unsigned int b = 0; b < configsize; b += 2) {
config[b / 2] = ((config[b + 1] & 0xFF) << 8) | (config[b] & 0xFF);
}
configsize = configsize / 2;
}
for (i = 0; i < configsize; i++) {
if (nb == 0) {
iaddr = (configaddr * 2) + (i * 2);
sprintf(values, "%02X%02X", config[i] & 0x00FF, (config[i] & 0xFF00) >> 8);
} else {
sprintf(tmp, "%s%02X%02X", values, config[i] & 0x00FF, (config[i] & 0xFF00) >> 8);
strcpy(values, tmp);
}
nb += 2;
sum += config[i] & 0x00FF;
sum += (config[i] & 0xFF00) >> 8;
if (nb == 16) {
sum += nb;
sum += (iaddr & 0x00FF);
sum += ((iaddr & 0xFF00) >> 8);
// printf("sum=%02X %02X %02X\n",sum,~sum,(~sum)+1);
sum = (~sum) + 1;
fprintf(fout, ":%02X%04X00%s%02X\n", nb, iaddr, values, sum);
nb = 0;
sum = 0;
}
}
if (nb) {
sum += nb;
sum += (iaddr & 0x00FF);
sum += ((iaddr & 0xFF00) >> 8);
sum = (~sum) + 1;
fprintf(fout, ":%02X%04X00%s%02X\n", nb, iaddr, values, sum);
}
// end
fprintf(fout, ":00000001FF\n");
fclose(fout);
return 0; // no error
} else {
printf("ERROR: File not found!(%s)\n", fname);
return -1;
}
return 0; // no error
}