// Work around TI's OS behaviour: extra bulk write of 0 size required after the last raw packet in a transfer,
// when some conditions are met.
static void workaround_send(CalcHandle *h, DUSBRawPacket *raw, DUSBVirtualPacket *vtl)
{
uint8_t buf[64];
ticalcs_info("workaround_send: vtl->size=%d\traw->size=%d", vtl->size, raw->size);
if (h->model == CALC_TI89T_USB)
{
// A 1076-byte (string) variable doesn't require this workaround, but bigger (string) variables do.
if (vtl->size > 1076 && ((raw->size + 5) % 64) == 0)
{
ticalcs_info("XXX triggering an extra bulk write\n\tvtl->size=%d\traw->size=%d", vtl->size, raw->size);
ticables_cable_send(h->cable, buf, 0);
}
}
else // if (h->model == CALC_TI84P_USB)
{
// A 244-byte (program) variable doesn't require this workaround, but bigger (program) variables do.
if (raw->type == DUSB_RPKT_VIRT_DATA_LAST && vtl->size > 244 && (vtl->size % 250) == 244)
{
ticalcs_info("XXX triggering an extra bulk write\n\tvtl->size=%d\traw->size=%d", vtl->size, raw->size);
ticables_cable_send(h->cable, buf, 0);
}
}
}
static int send_pkt(CalcHandle* handle, uint16_t cmd, uint16_t len, uint8_t* data)
{
uint16_t sum;
// command
buf[0] = LSB(cmd);
buf[1] = MSB(cmd);
// length
buf[2] = LSB(len);
buf[3] = MSB(len);
// data
if(data)
memcpy(buf+4, data, len);
// checksum
sum = tifiles_checksum(buf, 4 + len);
buf[len+4+0] = LSB(sum);
buf[len+4+1] = MSB(sum);
TRYF(ticables_cable_send(handle->cable, buf, len+6));
return 0;
}
TIEXPORT3 int TICALL ti68k_send_KEY(CalcHandle* handle, uint16_t scancode, uint8_t target)
{
uint8_t buf[4] = { target, DBUS_CMD_KEY, LSB(scancode), MSB(scancode) };
VALIDATE_HANDLE(handle);
ticalcs_info(" PC->TI: KEY");
return ticables_cable_send(handle->cable, buf, 4);
}
TIEXPORT3 int TICALL ti73_send_KEY(CalcHandle* handle, uint16_t scancode)
{
uint8_t buf[5];
buf[0] = PC_TI7383;
buf[1] = CMD_KEY;
buf[2] = LSB(scancode);
buf[3] = MSB(scancode);
ticalcs_info(" PC->TI: KEY");
return ticables_cable_send(handle->cable, buf, 4);
}
int ti83_send_KEY_h(CalcHandle* handle, uint16_t scancode)
{
uint8_t buf[5];
buf[0] = PC_TI83;
buf[1] = CMD_KEY;
buf[2] = LSB(scancode);
buf[3] = MSB(scancode);
ticalcs_info(" PC->TI: KEY");
TRYF(ticables_cable_send(handle->cable, buf, 4));
return 0;
}
TIEXPORT3 int TICALL dusb_send(CalcHandle* handle, DUSBRawPacket* pkt)
{
uint8_t buf[sizeof(pkt->data) + 5];
uint32_t size;
int ret;
VALIDATE_HANDLE(handle);
VALIDATE_NONNULL(pkt);
memset(buf, 0, sizeof(buf));
size = pkt->size;
if (size > sizeof(pkt->data))
{
size = sizeof(pkt->data);
}
buf[0] = MSB(MSW(size));
buf[1] = LSB(MSW(size));
buf[2] = MSB(LSW(size));
buf[3] = LSB(LSW(size));
buf[4] = pkt->type;
memcpy(buf + 5, pkt->data, size);
//printf("dusb_send: pkt->size=%d\n", pkt->size);
ticables_progress_reset(handle->cable);
ret = ticables_cable_send(handle->cable, buf, size + 5);
if (!ret)
{
if (size >= 128)
{
ticables_progress_get(handle->cable, NULL, NULL, &handle->updat->rate);
}
if (handle->updat->cancel)
{
ret = ERR_ABORT;
}
}
return ret;
}
int dusb_send(CalcHandle* handle, RawPacket* pkt)
{
uint8_t buf[1023 + 5]= { 0 };
uint32_t size = pkt->size + 5;
buf[0] = MSB(MSW(pkt->size));
buf[1] = LSB(MSW(pkt->size));
buf[2] = MSB(LSW(pkt->size));
buf[3] = LSB(LSW(pkt->size));
buf[4] = pkt->type;
memcpy(buf+5, pkt->data, pkt->size);
//printf("dusb_send: pkt->size=%d\n", pkt->size);
ticables_progress_reset(handle->cable);
TRYF(ticables_cable_send(handle->cable, buf, size));
if(size >= 128)
ticables_progress_get(handle->cable, NULL, NULL, &handle->updat->rate);
if (handle->updat->cancel)
return ERR_ABORT;
return 0;
}
TIEXPORT3 int TICALL dusb_send(CalcHandle* handle, DUSBRawPacket* pkt)
{
uint8_t buf[1023 + 5]= { 0 };
uint32_t size;
if (handle == NULL)
{
ticalcs_critical("%s: handle is NULL", __FUNCTION__);
return ERR_INVALID_HANDLE;
}
if (pkt == NULL)
{
ticalcs_critical("%s: pkt is NULL", __FUNCTION__);
return ERR_INVALID_PACKET;
}
size = pkt->size + 5;
buf[0] = MSB(MSW(pkt->size));
buf[1] = LSB(MSW(pkt->size));
buf[2] = MSB(LSW(pkt->size));
buf[3] = LSB(LSW(pkt->size));
buf[4] = pkt->type;
memcpy(buf+5, pkt->data, pkt->size);
//printf("dusb_send: pkt->size=%d\n", pkt->size);
ticables_progress_reset(handle->cable);
TRYF(ticables_cable_send(handle->cable, buf, size));
if(size >= 128)
ticables_progress_get(handle->cable, NULL, NULL, &handle->updat->rate);
if (handle->updat->cancel)
return ERR_ABORT;
return 0;
}
int main(int argc, char **argv)
{
CableHandle *handle;
int err;
// int i, j;
// uint8_t buf[65536], data;
// int status, result;
// uint8_t scr[3840 + 6];
// int **probing = NULL;
#if 0
tiTIME ref, end;
unsigned long k;
to_START(ref);
for(k = 0; k < 1000000; k++) printf(" ");
to_START(end);
printf("%lu %lu\n", ref, end);
printf("%lu\n", to_CURRENT(ref));
printf("%i\n", to_ELAPSED(ref, 60));
return 0;
#endif
printf("USB support: %i\n", ticables_is_usb_enabled());
// init lib
ticables_library_init();
print_lc_error(1);
#if 0
ticables_probing_do(&probing, 5, PROBE_ALL);
for(i = 1; i <= 7; i++)
printf("%i: %i %i %i %i\n", i, probing[i][1], probing[i][2], probing[i][3], probing[i][4]);
ticables_probing_finish(&probing);
#endif
#if 0
{
int *list = NULL;
int i, n;
int *p;
ticables_get_usb_devices(&list, &n);
printf("List of devices:\n");
for(i = 0; i < n; i++)
printf("%i: %04x\n", i, list[i]);
}
#endif
// set cable
handle = ticables_handle_new(CABLE_PAR, PORT_1);
if(handle == NULL)
return -1;
ticables_options_set_timeout(handle, 15);
ticables_options_set_delay(handle, 10);
ticables_handle_show(handle);
// open cable
err = ticables_cable_open(handle);
if(err) print_lc_error(err);
if(err) return -1;
#if 0
// simple test with DirectLink hand-helds (buf size req/neg)
buf[0]=0x00; buf[1]=0x00; buf[2]=0x00; buf[3]=0x04;
buf[4]=0x01;
buf[5]=0x00; buf[6]=0x00; buf[7]=0x04; buf[8]=0x00;
err = ticables_cable_send(handle, buf, 9);
if(err) print_lc_error(err);
// display answer
memset(buf, 0, sizeof(buf));
err = ticables_cable_recv(handle, buf, 9);
if(err) print_lc_error(err);
for(i = 0; i < 9; i++)
printf("%02x ", buf[i]);
printf("\n");
#endif
#if 0
// mode set
i = 0;
buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x10;
buf[i++]=0x04;
buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x0a;
buf[i++]=0x00; buf[i++]=0x01;
buf[i++]=0x00; buf[i++]=0x03;
buf[i++]=0x00; buf[i++]=0x01;
buf[i++]=0x00; buf[i++]=0x00;
buf[i++]=0x00; buf[i++]=0x00;
buf[i++]=0x07; buf[i++]=0xd0;
err = ticables_cable_send(handle, buf, i);
if(err) print_lc_error(err);
err = ticables_cable_recv(handle, buf, 7);
if(err) print_lc_error(err);
for(i = 0; i < 7; i++)
printf("%02x ", buf[i]);
printf("\n");
// mode ack
err = ticables_cable_recv(handle, buf, 15);
if(err) print_lc_error(err);
for(i = 0; i < 15; i++)
printf("%02x ", buf[i]);
printf("\n");
i = 0;
buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x02;
buf[i++]=0x05;
buf[i++]=0xe0; buf[i++]=0x00;
err = ticables_cable_send(handle, buf, i);
if(err) print_lc_error(err);
PAUSE(500);
#endif
#if 0
// param req (TI84+ only)
i = 0;
buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0xa;
buf[i++]=0x04;
buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x04;
buf[i++]=0x00; buf[i++]=0x07;
buf[i++]=0x00; buf[i++]=0x01;
buf[i++]=0x00; buf[i++]=0x22;
err = ticables_cable_send(handle, buf, i);
if(err) print_lc_error(err);
err = ticables_cable_recv(handle, buf, 7);
if(err) print_lc_error(err);
for(i = 0; i < 7; i++)
printf("%02x ", buf[i]);
printf("\n");
// delay ack
err = ticables_cable_recv(handle, buf, 15);
if(err) print_lc_error(err);
for(i = 0; i < 15; i++)
printf("%02x ", buf[i]);
printf("\n");
i = 0;
buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x02;
buf[i++]=0x05;
buf[i++]=0xe0; buf[i++]=0x00;
err = ticables_cable_send(handle, buf, i);
if(err) print_lc_error(err);
// param data
for(j = 0; j < 3; j++)
{
err = ticables_cable_recv(handle, buf, 255);
if(err) print_lc_error(err);
for(i = 0; i < 16; i++)
printf("%02x ", buf[i]);
printf("\n");
i = 0;
buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x02;
buf[i++]=0x05;
buf[i++]=0xe0; buf[i++]=0x00;
err = ticables_cable_send(handle, buf, i);
if(err) print_lc_error(err);
}
{
err = ticables_cable_recv(handle, buf, 36);
if(err) print_lc_error(err);
for(i = 0; i < 16; i++)
printf("%02x ", buf[i]);
printf("\n");
i = 0;
buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x00; buf[i++]=0x02;
buf[i++]=0x05;
buf[i++]=0xe0; buf[i++]=0x00;
err = ticables_cable_send(handle, buf, i);
if(err) print_lc_error(err);
}
PAUSE(500);
#endif
#if 0
// do a simple test with a TI89/92+ calculator
buf[0] = 0x08; buf[1] = 0x68; buf[2] = 0x00; buf[3] = 0x00; // RDY
err = ticables_cable_send(handle, buf, 4);
if(err) print_lc_error(err);
// display answer
memset(buf, 0xff, 4);
err = ticables_cable_recv(handle, buf, 4);
if(err) print_lc_error(err);
for(i = 0; i < 4; i++)
printf("%02x ", buf[i]);
printf("\n");
#endif
#if 0
// do a screendump
buf[0] = 0x08; buf[1] = 0x6D; buf[2] = 0x00; buf[3] = 0x00; // SCR
err = ticables_cable_send(handle, buf, 4);
if(err) print_lc_error(err);
memset(buf, 0xff, 4);
err = ticables_cable_recv(handle, buf, 4); // ACK
if(err) print_lc_error(err);
err = ticables_cable_recv(handle, scr, 0x0f00 + 6); // XDP
if(err) print_lc_error(err);
printf("%02x %02x\n", scr[2], scr[3]);
buf[0] = 0x08; buf[1] = 0x56; buf[2] = 0x00; buf[3] = 0x00; // ACK
err = ticables_cable_send(handle, buf, 4);
if(err) print_lc_error(err);
#endif
#if 0
// simple test for data arrival detection
buf[0] = 0x08; buf[1] = 0x87; buf[2] = 'A'; buf[3] = 0x00; // KEY
err = ticables_cable_send(handle, buf, 4);
if(err) print_lc_error(err);
for(status = 0; !status;)
{
err = ticables_cable_check(handle, &status);
if(err) print_lc_error(err);
}
// display answer
memset(buf, 0xff, 4);
err = ticables_cable_recv(handle, buf, 4);
if(err) print_lc_error(err);
for(i = 0; i < 4; i++)
printf("%02x ", buf[i]);
printf("\n");
#endif
#if 0
for(status = 0; !status;)
{
//fprintf(stdout, "$\n");
//fflush(stdout);
err = ticables_cable_check(handle, &status);
if(err) print_lc_error(err);
}
// display answer
memset(buf, 0xff, 4);
err = ticables_cable_recv(handle, buf, 4);
if(err) print_lc_error(err);
for(i = 0; i < 4; i++)
printf("%02x ", buf[i]);
printf("\n");
#endif
// close cable
ticables_cable_close(handle);
// release handle
ticables_handle_del(handle);
// exit lib
ticables_library_exit();
#ifdef __WIN32__
while(!kbhit());
#endif
return 0;
}
/*
Send a packet from PC (host) to TI (target):
- target [in] : a machine ID uint8_t
- cmd [in] : a command ID uint8_t
- length [in] : length of buffer
- data [in] : data to send (or 0x00 if NULL)
- int [out] : an error code
*/
TIEXPORT3 int TICALL dbus_send(CalcHandle* handle, uint8_t target, uint8_t cmd, uint16_t len, uint8_t* data)
{
int i;
uint16_t sum;
uint32_t length = (len == 0x0000) ? 65536 : len; // wrap around
uint8_t *buf;
int r, q;
static int ref = 0;
if (handle == NULL)
{
ticalcs_critical("%s: handle is NULL", __FUNCTION__);
return ERR_INVALID_HANDLE;
}
buf = (uint8_t *)handle->priv2; //[65536+6];
if (buf == NULL)
{
ticalcs_critical("%s: handle->priv2 is NULL", __FUNCTION__);
return ERR_INVALID_HANDLE;
}
ticables_progress_reset(handle->cable);
if(data == NULL)
{
// short packet (no data)
buf[0] = target;
buf[1] = cmd;
buf[2] = 0x00;
buf[3] = 0x00;
// TI80 does not use length
if(target == PC_TI80)
{
TRYF(ticables_cable_send(handle->cable, buf, 2));
}
else
{
TRYF(ticables_cable_send(handle->cable, buf, 4));
}
}
else
{
// std packet (data + checksum)
buf[0] = target;
buf[1] = cmd;
buf[2] = LSB(length);
buf[3] = MSB(length);
// copy data
memcpy(buf+4, data, length);
// add checksum of packet
sum = tifiles_checksum(data, length);
buf[length+4+0] = LSB(sum);
buf[length+4+1] = MSB(sum);
// compute chunks
MIN_SIZE = (handle->cable->model == CABLE_GRY) ? 512 : 2048;
BLK_SIZE = (length + 6) / 20; // 5%
if(BLK_SIZE == 0) BLK_SIZE = length + 6;
if(BLK_SIZE < 32) BLK_SIZE = 128; // SilverLink doesn't like small block (< 32)
q = (length + 6) / BLK_SIZE;
r = (length + 6) % BLK_SIZE;
handle->updat->max1 = length + 6;
handle->updat->cnt1 = 0;
// send full chunks
for(i = 0; i < q; i++)
{
TRYF(ticables_cable_send(handle->cable, &buf[i*BLK_SIZE], BLK_SIZE));
ticables_progress_get(handle->cable, NULL, NULL, &handle->updat->rate);
handle->updat->cnt1 += BLK_SIZE;
if(length > MIN_SIZE)
handle->updat->pbar();
if (handle->updat->cancel)
return ERR_ABORT;
}
// send last chunk
{
TRYF(ticables_cable_send(handle->cable, &buf[i*BLK_SIZE], (uint16_t)r));
ticables_progress_get(handle->cable, NULL, NULL, &handle->updat->rate);
handle->updat->cnt1 += 1;
if(length > MIN_SIZE)
handle->updat->pbar();
if (handle->updat->cancel)
return ERR_ABORT;
}
}
// force periodic refresh
if(!(ref++ % 4))
handle->updat->refresh();
return 0;
}
/*
Send a packet from PC (host) to TI (target):
- target [in] : a machine ID uint8_t
- cmd [in] : a command ID uint8_t
- length [in] : length of buffer
- data [in] : data to send (or 0x00 if NULL)
- int [out] : an error code
*/
TIEXPORT3 int TICALL dbus_send(CalcHandle* handle, uint8_t target, uint8_t cmd, uint16_t len, const uint8_t* data)
{
int i;
uint16_t sum;
uint32_t length = (len == 0x0000) ? 65536 : len; // wrap around
uint8_t *buf;
int r, q;
static int ref = 0;
int ret;
VALIDATE_HANDLE(handle);
buf = (uint8_t *)handle->buffer; //[65536+6];
if (buf == NULL)
{
ticalcs_critical("%s: handle->buffer is NULL", __FUNCTION__);
return ERR_INVALID_HANDLE;
}
ticables_progress_reset(handle->cable);
if (data == NULL)
{
// short packet (no data)
buf[0] = target;
buf[1] = cmd;
buf[2] = 0x00;
buf[3] = 0x00;
// The TI-80 does not use length
ret = ticables_cable_send(handle->cable, buf, (target == DBUS_MID_PC_TI80) ? 2 : 4);
}
else
{
// std packet (data + checksum)
buf[0] = target;
buf[1] = cmd;
buf[2] = LSB(length);
buf[3] = MSB(length);
// copy data
memcpy(buf+4, data, length);
// add checksum of packet
sum = tifiles_checksum(data, length);
buf[length+4+0] = LSB(sum);
buf[length+4+1] = MSB(sum);
// compute chunks
handle->priv.progress_min_size = (handle->cable->model == CABLE_GRY) ? 512 : 2048;
handle->priv.progress_blk_size = (length + 6) / 20; // 5%
if (handle->priv.progress_blk_size == 0)
{
handle->priv.progress_blk_size = length + 6;
}
if (handle->priv.progress_blk_size < 32)
{
handle->priv.progress_blk_size = 128; // SilverLink doesn't like small block (< 32)
}
q = (length + 6) / handle->priv.progress_blk_size;
r = (length + 6) % handle->priv.progress_blk_size;
handle->updat->max1 = length + 6;
handle->updat->cnt1 = 0;
ret = 0;
// send full chunks
for (i = 0; i < q; i++)
{
ret = ticables_cable_send(handle->cable, &buf[i*handle->priv.progress_blk_size], handle->priv.progress_blk_size);
if (ret)
{
break;
}
ticables_progress_get(handle->cable, NULL, NULL, &handle->updat->rate);
handle->updat->cnt1 += handle->priv.progress_blk_size;
if (length > handle->priv.progress_min_size)
{
handle->updat->pbar();
}
if (handle->updat->cancel)
{
ret = ERR_ABORT;
break;
}
}
// send last chunk
if (!ret)
{
ret = ticables_cable_send(handle->cable, &buf[i*handle->priv.progress_blk_size], (uint16_t)r);
if (!ret)
{
ticables_progress_get(handle->cable, NULL, NULL, &handle->updat->rate);
handle->updat->cnt1 += 1;
if (length > handle->priv.progress_min_size)
{
handle->updat->pbar();
}
if (handle->updat->cancel)
{
ret = ERR_ABORT;
}
}
}
}
// force periodic refresh
if (!ret && !(ref++ % 4))
{
handle->updat->refresh();
}
return ret;
}
