Macintosh-HW
/
RASCSI
mirror of https://github.com/akuker/RASCSI.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Changed gpiobus back to a common version. Restored rascsi.cpp to original version

This commit is contained in:
akuker 2020-07-18 15:29:27 -05:00
parent f3037b6285
commit f610c7f284
4 changed files with 255 additions and 500 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

221
src/raspberrypi/gpiobus.cpp
View File

@ -460,7 +460,6 @@ void FASTCALL GPIOBUS::Reset()
SetMode(PIN_SEL, IN);
SetMode(PIN_ATN, IN);
SetMode(PIN_ACK, IN);
printf("ACK is set to IN\n");
SetMode(PIN_RST, IN);
// Set data bus signals to input
@ -489,7 +488,6 @@ void FASTCALL GPIOBUS::Reset()
SetControl(PIN_IND, IND_OUT);
SetMode(PIN_SEL, OUT);
SetMode(PIN_ATN, OUT);
printf("ACK is set to OUT\n");
SetMode(PIN_ACK, OUT);
SetMode(PIN_RST, OUT);
@ -510,8 +508,6 @@ void FASTCALL GPIOBUS::Reset()
signals = 0;
}
static DWORD high_bits = 0x0;
static DWORD low_bits = 0xFFFFFFFF;
//---------------------------------------------------------------------------
//
// Bus signal acquisition
@ -521,17 +517,6 @@ DWORD FASTCALL GPIOBUS::Aquire()
{
signals = *level;
DWORD prev_high = high_bits;
DWORD prev_low = low_bits;
high_bits |= signals;
low_bits &= signals;
if ((high_bits != prev_high) || (low_bits != prev_low))
{
printf(" %08lX %08lX\n",high_bits, low_bits);
}
#if SIGNAL_CONTROL_MODE < 2
// Invert if negative logic (internal processing is unified to positive logic)
signals = ~signals;
@ -567,36 +552,40 @@ BOOL FASTCALL GPIOBUS::GetBSY()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetBSY(BOOL ast)
{
// // Set BSY signal
// SetSignal(PIN_BSY, ast);
//
// if (actmode == TARGET) {
// if (ast) {
// // Turn on ACTIVE signal
// SetControl(PIN_ACT, ACT_ON);
//
// // Set Target signal to output
// SetControl(PIN_TAD, TAD_OUT);
//
// SetMode(PIN_BSY, OUT);
// SetMode(PIN_MSG, OUT);
// SetMode(PIN_CD, OUT);
// SetMode(PIN_REQ, OUT);
// SetMode(PIN_IO, OUT);
// } else {
// // Turn off the ACTIVE signal
// SetControl(PIN_ACT, ACT_OFF);
//
// // Set the target signal to input
// SetControl(PIN_TAD, TAD_IN);
//
// SetMode(PIN_BSY, IN);
// SetMode(PIN_MSG, IN);
// SetMode(PIN_CD, IN);
// SetMode(PIN_REQ, IN);
// SetMode(PIN_IO, IN);
// }
// }
if(actmode == MONITOR){
return;
}
// Set BSY signal
SetSignal(PIN_BSY, ast);
if (actmode == TARGET) {
if (ast) {
// Turn on ACTIVE signal
SetControl(PIN_ACT, ACT_ON);
// Set Target signal to output
SetControl(PIN_TAD, TAD_OUT);
SetMode(PIN_BSY, OUT);
SetMode(PIN_MSG, OUT);
SetMode(PIN_CD, OUT);
SetMode(PIN_REQ, OUT);
SetMode(PIN_IO, OUT);
} else {
// Turn off the ACTIVE signal
SetControl(PIN_ACT, ACT_OFF);
// Set the target signal to input
SetControl(PIN_TAD, TAD_IN);
SetMode(PIN_BSY, IN);
SetMode(PIN_MSG, IN);
SetMode(PIN_CD, IN);
SetMode(PIN_REQ, IN);
SetMode(PIN_IO, IN);
}
}
}
//---------------------------------------------------------------------------
@ -616,13 +605,17 @@ BOOL FASTCALL GPIOBUS::GetSEL()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetSEL(BOOL ast)
{
// if (actmode == INITIATOR && ast) {
// // Turn on ACTIVE signal
// SetControl(PIN_ACT, ACT_ON);
// }
//
// // Set SEL signal
// SetSignal(PIN_SEL, ast);
if(actmode == MONITOR){
return;
}
if (actmode == INITIATOR && ast) {
// Turn on ACTIVE signal
SetControl(PIN_ACT, ACT_ON);
}
// Set SEL signal
SetSignal(PIN_SEL, ast);
}
//---------------------------------------------------------------------------
@ -642,7 +635,11 @@ BOOL FASTCALL GPIOBUS::GetATN()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetATN(BOOL ast)
{
// SetSignal(PIN_ATN, ast);
if(actmode == MONITOR){
return;
}
SetSignal(PIN_ATN, ast);
}
//---------------------------------------------------------------------------
@ -662,7 +659,31 @@ BOOL FASTCALL GPIOBUS::GetACK()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetACK(BOOL ast)
{
//SetSignal(PIN_ACK, ast);
if(actmode == MONITOR){
return;
}
SetSignal(PIN_ACK, ast);
}
//---------------------------------------------------------------------------
//
// Get ACK signal
//
//---------------------------------------------------------------------------
BOOL FASTCALL GPIOBUS::GetACT()
{
return GetSignal(PIN_ACT);
}
//---------------------------------------------------------------------------
//
// Set ACK signal
//
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetACT(BOOL ast)
{
SetSignal(PIN_ACT, ast);
}
//---------------------------------------------------------------------------
@ -682,7 +703,11 @@ BOOL FASTCALL GPIOBUS::GetRST()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetRST(BOOL ast)
{
//SetSignal(PIN_RST, ast);
if(actmode == MONITOR){
return;
}
SetSignal(PIN_RST, ast);
}
//---------------------------------------------------------------------------
@ -702,7 +727,11 @@ BOOL FASTCALL GPIOBUS::GetMSG()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetMSG(BOOL ast)
{
//SetSignal(PIN_MSG, ast);
if(actmode == MONITOR){
return;
}
SetSignal(PIN_MSG, ast);
}
//---------------------------------------------------------------------------
@ -722,7 +751,11 @@ BOOL FASTCALL GPIOBUS::GetCD()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetCD(BOOL ast)
{
//SetSignal(PIN_CD, ast);
if(actmode == MONITOR){
return;
}
SetSignal(PIN_CD, ast);
}
//---------------------------------------------------------------------------
@ -772,6 +805,10 @@ BOOL FASTCALL GPIOBUS::GetIO()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetIO(BOOL ast)
{
if(actmode == MONITOR){
return;
}
SetSignal(PIN_IO, ast);
if (actmode == TARGET) {
@ -820,7 +857,11 @@ BOOL FASTCALL GPIOBUS::GetREQ()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetREQ(BOOL ast)
{
// SetSignal(PIN_REQ, ast);
if(actmode == MONITOR){
return;
}
SetSignal(PIN_REQ, ast);
}
//---------------------------------------------------------------------------
@ -853,37 +894,41 @@ BYTE FASTCALL GPIOBUS::GetDAT()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetDAT(BYTE dat)
{
if(actmode == MONITOR){
return;
}
// Write to port
//#if SIGNAL_CONTROL_MODE == 0
// DWORD fsel;
//
// fsel = gpfsel[0];
// fsel &= tblDatMsk[0][dat];
// fsel |= tblDatSet[0][dat];
// if (fsel != gpfsel[0]) {
// gpfsel[0] = fsel;
// gpio[GPIO_FSEL_0] = fsel;
// }
//
// fsel = gpfsel[1];
// fsel &= tblDatMsk[1][dat];
// fsel |= tblDatSet[1][dat];
// if (fsel != gpfsel[1]) {
// gpfsel[1] = fsel;
// gpio[GPIO_FSEL_1] = fsel;
// }
//
// fsel = gpfsel[2];
// fsel &= tblDatMsk[2][dat];
// fsel |= tblDatSet[2][dat];
// if (fsel != gpfsel[2]) {
// gpfsel[2] = fsel;
// gpio[GPIO_FSEL_2] = fsel;
// }
//#else
// gpio[GPIO_CLR_0] = tblDatMsk[dat];
// gpio[GPIO_SET_0] = tblDatSet[dat];
//#endif // SIGNAL_CONTROL_MODE
#if SIGNAL_CONTROL_MODE == 0
DWORD fsel;
fsel = gpfsel[0];
fsel &= tblDatMsk[0][dat];
fsel |= tblDatSet[0][dat];
if (fsel != gpfsel[0]) {
gpfsel[0] = fsel;
gpio[GPIO_FSEL_0] = fsel;
}
fsel = gpfsel[1];
fsel &= tblDatMsk[1][dat];
fsel |= tblDatSet[1][dat];
if (fsel != gpfsel[1]) {
gpfsel[1] = fsel;
gpio[GPIO_FSEL_1] = fsel;
}
fsel = gpfsel[2];
fsel &= tblDatMsk[2][dat];
fsel |= tblDatSet[2][dat];
if (fsel != gpfsel[2]) {
gpfsel[2] = fsel;
gpio[GPIO_FSEL_2] = fsel;
}
#else
gpio[GPIO_CLR_0] = tblDatMsk[dat];
gpio[GPIO_SET_0] = tblDatSet[dat];
#endif // SIGNAL_CONTROL_MODE
}
//---------------------------------------------------------------------------

5
src/raspberrypi/gpiobus.h
View File

@ -460,6 +460,11 @@ public:
void FASTCALL SetACK(BOOL ast);
// Set ACK signal
BOOL FASTCALL GetACT();
// Get ACT signal
void FASTCALL SetACT(BOOL ast);
// Set ACT signal
BOOL FASTCALL GetRST();
// Get RST signal
void FASTCALL SetRST(BOOL ast);

501
src/raspberrypi/rascsi.cpp
View File

@ -15,9 +15,6 @@
#include "fileio.h"
#include "disk.h"
#include "gpiobus.h"
#include "spdlog/spdlog.h"
//#include <sys/timespec_util.h>
#include <sys/time.h>
//---------------------------------------------------------------------------
//
@ -49,23 +46,6 @@ int monsocket; // Monitor Socket
pthread_t monthread; // Monitor Thread
static void *MonThread(void *param);
#endif // BAREMETAL
typedef struct data_capture{
DWORD data;
timeval timestamp;
} data_capture_t;
#define MAX_BUFF_SIZE 1000000
data_capture data_buffer[MAX_BUFF_SIZE];
int data_idx = 0;
#define SECONDS_1 (1000 * 1000)
#define SECONDS_3 (3 * 1000 * 1000)
#define WAIT_FOR_EQUAL(x,y,timeout) { DWORD now = SysTimer::GetTimerLow(); while ((SysTimer::GetTimerLow() - now) < timeout) { bus->Aquire();if (x == y) {break;}}}
#ifndef BAREMETAL
//---------------------------------------------------------------------------
@ -200,149 +180,6 @@ BOOL Init()
return TRUE;
}
#define PIN_ACT 4 // ACTIVE
#define PIN_ENB 5 // ENABLE
#define PIN_IND -1 // INITIATOR CTRL DIRECTION
#define PIN_TAD -1 // TARGET CTRL DIRECTION
#define PIN_DTD -1 // DATA DIRECTION
// Control signal output logic
#define ACT_ON TRUE // ACTIVE SIGNAL ON
#define ENB_ON TRUE // ENABLE SIGNAL ON
#define IND_IN FALSE // INITIATOR SIGNAL INPUT
#define TAD_IN FALSE // TARGET SIGNAL INPUT
#define DTD_IN TRUE // DATA SIGNAL INPUT
// SCSI signal pin assignment
#define PIN_DT0 10 // Data 0
#define PIN_DT1 11 // Data 1
#define PIN_DT2 12 // Data 2
#define PIN_DT3 13 // Data 3
#define PIN_DT4 14 // Data 4
#define PIN_DT5 15 // Data 5
#define PIN_DT6 16 // Data 6
#define PIN_DT7 17 // Data 7
#define PIN_DP 18 // Data parity
#define PIN_ATN 19 // ATN
#define PIN_RST 20 // RST
#define PIN_ACK 21 // ACK
#define PIN_REQ 22 // REQ
#define PIN_MSG 23 // MSG
#define PIN_CD 24 // CD
#define PIN_IO 25 // IO
#define PIN_BSY 26 // BSY
#define PIN_SEL 27 // SEL
BOOL get_pin_value(DWORD data, int pin)
{
return (data >> pin) & 1;
}
BYTE get_data_field(DWORD data)
{
DWORD data_out;
data_out =
((data >> (PIN_DT0 - 0)) & (1 << 0)) |
((data >> (PIN_DT1 - 1)) & (1 << 1)) |
((data >> (PIN_DT2 - 2)) & (1 << 2)) |
((data >> (PIN_DT3 - 3)) & (1 << 3)) |
((data >> (PIN_DT4 - 4)) & (1 << 4)) |
((data >> (PIN_DT5 - 5)) & (1 << 5)) |
((data >> (PIN_DT6 - 6)) & (1 << 6)) |
((data >> (PIN_DT7 - 7)) & (1 << 7));
return (BYTE)data_out;
}
int pin_nums[] = {PIN_BSY,PIN_SEL,PIN_CD,PIN_IO,PIN_MSG,PIN_REQ,PIN_ACK,PIN_ATN,PIN_RST,PIN_DT0};
char* pin_names[] = {"BSY","SEL","CD","IO","MSG","REQ","ACK","ATN","RST","DAT"};
void dump_data()
{
char outstr[1024];
int i = 0;
timeval time_diff;
FILE *fp;
timeval start_time = data_buffer[0].timestamp;
fp = fopen("log.txt","w");
fprintf(fp, "idx\traw\ttimestamp\tBSY\tSEL\tC/D\tI/O\tMSG\tREQ\tACK\tATN\tRST\tData..\n");
while(i < data_idx)
{
timersub(&(data_buffer[i].timestamp), &start_time, &time_diff);
//timediff = difftime(data_buffer[i].timestamp, start_time);
fprintf(fp, "%d\t%08lX\t%d:%d\t",data_idx, data_buffer[i].data, time_diff.tv_sec, time_diff.tv_usec);
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_BSY));
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_SEL));
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_CD));
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_IO));
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_MSG));
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_REQ));
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_ACK));
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_ATN));
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_RST));
fprintf(fp, "%02X\t", get_data_field(data_buffer[i].data));
fprintf(fp, "\n");
i++;
}
fclose(fp);
i=0;
printf("Creating timing_drawer.txt\n");
fp = fopen("timing_drawer.txt","w");
while(i < data_idx)
{
timersub(&(data_buffer[i].timestamp), &start_time, &time_diff);
//timediff = difftime(data_buffer[i].timestamp, start_time);
fprintf(fp, "TIME=%d:%d;", time_diff.tv_sec, time_diff.tv_usec);
fprintf(fp, "BSY=%d;", get_pin_value(data_buffer[i].data, PIN_BSY));
fprintf(fp, "SEL=%d;", get_pin_value(data_buffer[i].data, PIN_SEL));
fprintf(fp, "CD=%d;", get_pin_value(data_buffer[i].data, PIN_CD));
fprintf(fp, "IO=%d;", get_pin_value(data_buffer[i].data, PIN_IO));
fprintf(fp, "MSG=%d;", get_pin_value(data_buffer[i].data, PIN_MSG));
fprintf(fp, "REQ=%d;", get_pin_value(data_buffer[i].data, PIN_REQ));
fprintf(fp, "ACK=%d;", get_pin_value(data_buffer[i].data, PIN_ACK));
fprintf(fp, "ATN=%d;", get_pin_value(data_buffer[i].data, PIN_ATN));
fprintf(fp, "RST=%d;", get_pin_value(data_buffer[i].data, PIN_RST));
fprintf(fp, "DATA=%02X.", get_data_field(data_buffer[i].data));
fprintf(fp, "\n");
i++;
}
fclose(fp);
//
// fp = fopen("log2.txt","w");
//
// for(int pin=0; pin < ARRAY_SIZE(pin_names); pin++)
// {
// i=0;
// while(i < data_idx)
// {
// char this_point = ((get_pin_value(data_buffer[i].data), pin_nums[pin]) == TRUE) ? "-", "_";
// fprintf(fp, this_point)
// }
//
//
//
//
// }
}
//---------------------------------------------------------------------------
//
// Cleanup
@ -352,14 +189,6 @@ void Cleanup()
{
int i;
printf("In cleanup....\n");
dump_data();
// Delete the disks
for (i = 0; i < CtrlMax * UnitNum; i++) {
if (disk[i]) {
@ -1141,8 +970,6 @@ next:
}
#endif // BAREMETAL
//---------------------------------------------------------------------------
//
// Main processing
@ -1158,23 +985,18 @@ int startrascsi(void)
int main(int argc, char* argv[])
{
#endif // BAREMETAL
DWORD prev_sample = 0xFFFFFFFF;
DWORD this_sample = 0;
//int i;
int i;
int ret;
// int actid;
//DWORD now;
//BUS::phase_t phase;
// BYTE data;
int actid;
DWORD now;
BUS::phase_t phase;
BYTE data;
#ifndef BAREMETAL
struct sched_param schparam;
#endif // BAREMETAL
spdlog::set_level(spdlog::level::trace);
spdlog::trace("Entering the function with {0:x}{1:X} arguments", argc,20);
// Output the Banner
Banner(argc, argv);
memset(data_buffer,0,sizeof(data_buffer));
// Initialize
ret = 0;
@ -1215,235 +1037,103 @@ int main(int argc, char* argv[])
// Start execution
running = TRUE;
bus->SetAct(FALSE);
spdlog::trace("Going into running mode {}", 1);
// Main Loop
while (running) {
// Work initialization
this_sample = bus->Aquire();
actid = -1;
phase = BUS::busfree;
if(this_sample != prev_sample)
{
//printf("%d Sample %08lX\n", data_idx, this_sample);
data_buffer[data_idx].data = this_sample;
(void)gettimeofday(&(data_buffer[data_idx].timestamp), NULL);
data_idx = (data_idx + 1) % MAX_BUFF_SIZE;
prev_sample = this_sample;
#ifdef USE_SEL_EVENT_ENABLE
// SEL signal polling
if (bus->PollSelectEvent() < 0) {
// Stop on interrupt
if (errno == EINTR) {
break;
}
continue;
}
continue;
////////
//////// // Target sending data
//////// if(!bus->GetIO() && bus->GetREQ() && bus->GetACK())
//////// {
//////// BYTE data = bus->GetDAT();
//////// printf("+%02X ",data);
////////
////////
////////
//////// DWORD now = SysTimer::GetTimerLow();
//////// while ((SysTimer::GetTimerLow() - now) < SECONDS_1/100)
//////// {
//////// bus->Aquire();
//////// if (bus->GetACK() == FALSE) {
//////// break;
//////// }
//////// }
////////
//////// if(bus->GetACK() != FALSE)
//////// {
//////// spdlog::warn("got an invalid req/ack sequence for target sending data");
//////// }
//////// }
////////
////////
////////
//////// if(bus->GetIO() && bus->GetREQ() && !bus->GetACK())
//////// {
//////// BYTE data = bus->GetDAT();
//////// printf("-%02X ",data);
////////
////////
//////// DWORD now = SysTimer::GetTimerLow();
//////// while ((SysTimer::GetTimerLow() - now) < SECONDS_1/100)
//////// {
//////// bus->Aquire();
//////// if (bus->GetREQ() == FALSE) {
//////// break;
//////// }
//////// }
////////
//////// if(bus->GetREQ() != TRUE)
//////// {
//////// spdlog::warn("REQ didn't de-assert when I wanted it to.");
//////// }
////////
////////
//////// }
////////
//////// continue;
////////
//////// // Wait until BSY is released as there is a possibility for the
//////// // initiator to assert it while setting the ID (for up to 3 seconds)
//////// if (bus->GetSEL() ) {
//////// BYTE data = bus->GetDAT();
//////// printf("SEL is asserted. Data: %02X, BSY: %d, SEL %d\n", data, bus->GetBSY(), bus->GetSEL());
//////// now = SysTimer::GetTimerLow();
//////// while ((SysTimer::GetTimerLow() - now) < 3 * 1000 * 1000) {
//////// bus->Aquire();
//////// if (!bus->GetSEL()) {
//////// printf("SEL is clear. Data: %02X, BSY: %d, SEL %d\n", data, bus->GetBSY(), bus->GetSEL());
//////// break;
//////// }
//////// }
//////// }
//////// else{
////////
//////// continue;
//////// }
////////// spdlog::trace("Busy: {}",bus->GetBSY());
////////
////////
//////// // For monitor mode, we just want to make sure the initiator
//////// // released the BSY signal within 3 seconds. If it hasn't
//////// // the initiator is misbehaving
////////// if (bus->GetBSY()) {
////////// spdlog::warn("The initiator (%d) did not release the BSY signal after 3 seconds", bus->GetDAT());
////////// continue;
////////// }
////////
//////////////////////
////////////////////// // Stop because it the bus is busy or another device responded
////////////////////// if (bus->GetBSY() || !bus->GetSEL()) {
////////////////////// continue;
////////////////////// }
//
// // Notify all controllers
// data = bus->GetDAT();
//// spdlog::trace("Data is {x}",data);
// for (i = 0; i < CtrlMax; i++) {
// if (!ctrl[i] || (data & (1 << i)) == 0) {
// continue;
// }
//// spdlog::trace("Found an active controller! Let's do some selection {}", i);
// // Find the target that has moved to the selection phase
// if (ctrl[i]->Process() == BUS::selection) {
// // Get the target ID
// actid = i;
//
// // Bus Selection phase
// phase = BUS::selection;
// break;
// }
// }
//
// // Return to bus monitoring if the selection phase has not started
// if (phase != BUS::selection) {
// continue;
// }
//
// // Start target device
// active = TRUE;
// spdlog::trace("Found a target device {} ID:{}",actid, ctrl[actid]->GetID());
//
//#if !defined(USE_SEL_EVENT_ENABLE) && !defined(BAREMETAL)
// // Scheduling policy setting (highest priority)
// schparam.sched_priority = sched_get_priority_max(SCHED_FIFO);
// sched_setscheduler(0, SCHED_FIFO, &schparam);
//#endif // !USE_SEL_EVENT_ENABLE && !BAREMETAL
//
// // Loop until the bus is free
// while (running) {
// // Target drive
// phase = ctrl[actid]->Process();
//
// // End when the bus is free
// if (phase == BUS::busfree) {
// break;
// }
// }
//
//#if !defined(USE_SEL_EVENT_ENABLE) && !defined(BAREMETAL)
// // Set the scheduling priority back to normal
// schparam.sched_priority = 0;
// sched_setscheduler(0, SCHED_OTHER, &schparam);
//#endif // !USE_SEL_EVENT_ENABLE && !BAREMETAL
//
// // End the target travel
// active = FALSE;
// Get the bus
bus->Aquire();
#else
bus->Aquire();
if (!bus->GetSEL()) {
#if !defined(BAREMETAL)
usleep(0);
#endif // !BAREMETAL
continue;
}
#endif // USE_SEL_EVENT_ENABLE
// Wait until BSY is released as there is a possibility for the
// initiator to assert it while setting the ID (for up to 3 seconds)
if (bus->GetBSY()) {
now = SysTimer::GetTimerLow();
while ((SysTimer::GetTimerLow() - now) < 3 * 1000 * 1000) {
bus->Aquire();
if (!bus->GetBSY()) {
break;
}
}
}
// Stop because it the bus is busy or another device responded
if (bus->GetBSY() || !bus->GetSEL()) {
continue;
}
// Notify all controllers
data = bus->GetDAT();
for (i = 0; i < CtrlMax; i++) {
if (!ctrl[i] || (data & (1 << i)) == 0) {
continue;
}
// Find the target that has moved to the selection phase
if (ctrl[i]->Process() == BUS::selection) {
// Get the target ID
actid = i;
// Bus Selection phase
phase = BUS::selection;
break;
}
}
// Return to bus monitoring if the selection phase has not started
if (phase != BUS::selection) {
continue;
}
// Start target device
active = TRUE;
#if !defined(USE_SEL_EVENT_ENABLE) && !defined(BAREMETAL)
// Scheduling policy setting (highest priority)
schparam.sched_priority = sched_get_priority_max(SCHED_FIFO);
sched_setscheduler(0, SCHED_FIFO, &schparam);
#endif // !USE_SEL_EVENT_ENABLE && !BAREMETAL
// Loop until the bus is free
while (running) {
// Target drive
phase = ctrl[actid]->Process();
// End when the bus is free
if (phase == BUS::busfree) {
break;
}
}
#if !defined(USE_SEL_EVENT_ENABLE) && !defined(BAREMETAL)
// Set the scheduling priority back to normal
schparam.sched_priority = 0;
sched_setscheduler(0, SCHED_OTHER, &schparam);
#endif // !USE_SEL_EVENT_ENABLE && !BAREMETAL
// End the target travel
active = FALSE;
}
err_exit:
@ -1457,3 +1147,4 @@ init_exit:
return ret;
#endif // BAREMETAL
}

28
src/raspberrypi/scsishark.cpp
View File

@ -258,12 +258,11 @@ BYTE get_data_field(DWORD data)
int pin_nums[] = {PIN_BSY,PIN_SEL,PIN_CD,PIN_IO,PIN_MSG,PIN_REQ,PIN_ACK,PIN_ATN,PIN_RST,PIN_DT0};
char* pin_names[] = {"BSY","SEL","CD","IO","MSG","REQ","ACK","ATN","RST","DAT"};
std::string pin_names[] = {"BSY","SEL","CD","IO","MSG","REQ","ACK","ATN","RST","DAT"};
void dump_data()
{
char outstr[1024];
int i = 0;
timeval time_diff;
FILE *fp;
@ -277,7 +276,7 @@ void dump_data()
{
timersub(&(data_buffer[i].timestamp), &start_time, &time_diff);
//timediff = difftime(data_buffer[i].timestamp, start_time);
fprintf(fp, "%d\t%08lX\t%d:%d\t",data_idx, data_buffer[i].data, time_diff.tv_sec, time_diff.tv_usec);
fprintf(fp, "%d\t%08lX\t%ld:%ld\t",data_idx, data_buffer[i].data, time_diff.tv_sec, time_diff.tv_usec);
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_BSY));
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_SEL));
fprintf(fp, "%d\t", get_pin_value(data_buffer[i].data, PIN_CD));
@ -301,7 +300,7 @@ void dump_data()
{
timersub(&(data_buffer[i].timestamp), &start_time, &time_diff);
//timediff = difftime(data_buffer[i].timestamp, start_time);
fprintf(fp, "TIME=%d:%d;", time_diff.tv_sec, time_diff.tv_usec);
fprintf(fp, "TIME=%ld:%ld;", time_diff.tv_sec, time_diff.tv_usec);
fprintf(fp, "BSY=%d;", get_pin_value(data_buffer[i].data, PIN_BSY));
fprintf(fp, "SEL=%d;", get_pin_value(data_buffer[i].data, PIN_SEL));
fprintf(fp, "CD=%d;", get_pin_value(data_buffer[i].data, PIN_CD));
@ -1141,6 +1140,8 @@ next:
}
#endif // BAREMETAL
static DWORD high_bits = 0x0;
static DWORD low_bits = 0xFFFFFFFF;
//---------------------------------------------------------------------------
@ -1158,6 +1159,8 @@ int startrascsi(void)
int main(int argc, char* argv[])
{
#endif // BAREMETAL
DWORD prev_high = high_bits;
DWORD prev_low = low_bits;
DWORD prev_sample = 0xFFFFFFFF;
DWORD this_sample = 0;
//int i;
@ -1215,9 +1218,7 @@ int main(int argc, char* argv[])
// Start execution
running = TRUE;
bus->SetAct(FALSE);
bus->SetACT(FALSE);
spdlog::trace("Going into running mode {}", 1);
// Main Loop
@ -1227,6 +1228,19 @@ int main(int argc, char* argv[])
if(this_sample != prev_sample)
{
// This is intended to be a debug check to see if every pin is set
// high and low at some point.
high_bits |= this_sample;
low_bits &= this_sample;
if ((high_bits != prev_high) || (low_bits != prev_low))
{
printf(" %08lX %08lX\n",high_bits, low_bits);
}
prev_high = high_bits;
prev_low = low_bits;
//printf("%d Sample %08lX\n", data_idx, this_sample);
data_buffer[data_idx].data = this_sample;
(void)gettimeofday(&(data_buffer[data_idx].timestamp), NULL);