TIEXPORT3 int TICALL dusb_send_data(CalcHandle *handle, DUSBVirtualPacket *vtl)
{
DUSBRawPacket raw;
int i, r, q;
long offset;
int ret;
VALIDATE_HANDLE(handle);
VALIDATE_NONNULL(vtl);
if (vtl->size && !vtl->data)
{
return ERR_INVALID_PARAMETER;
}
memset(&raw, 0, sizeof(raw));
do
{
if (vtl->size <= handle->priv.dusb_rpkt_maxlen - DUSB_DH_SIZE)
{
// we have a single packet which is the last one, too
raw.size = vtl->size + DUSB_DH_SIZE;
raw.type = DUSB_RPKT_VIRT_DATA_LAST;
raw.data[0] = MSB(MSW(vtl->size));
raw.data[1] = LSB(MSW(vtl->size));
raw.data[2] = MSB(LSW(vtl->size));
raw.data[3] = LSB(LSW(vtl->size));
raw.data[4] = MSB(vtl->type);
raw.data[5] = LSB(vtl->type);
if (vtl->data)
{
memcpy(&raw.data[DUSB_DH_SIZE], vtl->data, vtl->size);
}
ret = dusb_send(handle, &raw);
if (ret)
{
break;
}
#if (VPKT_DBG == 2)
ticalcs_info(" PC->TI: Virtual Packet Data Final\n\t\t(size = %08x, type = %s)", vtl->size, dusb_vpkt_type2name(vtl->type));
#elif (VPKT_DBG == 1)
ticalcs_info(" PC->TI: %s", dusb_vpkt_type2name(vtl->type));
#endif
workaround_send(handle, &raw, vtl);
ret = dusb_recv_acknowledge(handle);
if (ret)
{
break;
}
}
else
{
// we have more than one packet: first packet has data header
raw.size = handle->priv.dusb_rpkt_maxlen;
raw.type = DUSB_RPKT_VIRT_DATA;
raw.data[0] = MSB(MSW(vtl->size));
raw.data[1] = LSB(MSW(vtl->size));
raw.data[2] = MSB(LSW(vtl->size));
raw.data[3] = LSB(LSW(vtl->size));
raw.data[4] = MSB(vtl->type);
raw.data[5] = LSB(vtl->type);
memcpy(&raw.data[DUSB_DH_SIZE], vtl->data, handle->priv.dusb_rpkt_maxlen - DUSB_DH_SIZE);
offset = handle->priv.dusb_rpkt_maxlen - DUSB_DH_SIZE;
ret = dusb_send(handle, &raw);
if (ret)
{
break;
}
#if (VPKT_DBG == 2)
ticalcs_info(" PC->TI: Virtual Packet Data with Continuation\n\t\t(size = %08x, type = %s)", vtl->size, dusb_vpkt_type2name(vtl->type));
#elif (VPKT_DBG == 1)
ticalcs_info(" PC->TI: %s", dusb_vpkt_type2name(vtl->type));
#endif
ret = dusb_recv_acknowledge(handle);
if (ret)
{
break;
}
// other packets doesn't have data header but last one has a different type
q = (vtl->size - offset) / handle->priv.dusb_rpkt_maxlen;
r = (vtl->size - offset) % handle->priv.dusb_rpkt_maxlen;
// send full chunks (no header)
for (i = 1; i <= q; i++)
{
raw.size = handle->priv.dusb_rpkt_maxlen;
raw.type = DUSB_RPKT_VIRT_DATA;
memcpy(raw.data, vtl->data + offset, handle->priv.dusb_rpkt_maxlen);
offset += handle->priv.dusb_rpkt_maxlen;
ret = dusb_send(handle, &raw);
if (ret)
{
goto end;
}
#if (VPKT_DBG == 2)
ticalcs_info(" PC->TI: Virtual Packet Data with Continuation");
#endif
ret = dusb_recv_acknowledge(handle);
if (ret)
{
goto end;
}
handle->updat->max1 = vtl->size;
handle->updat->cnt1 += handle->priv.dusb_rpkt_maxlen;
handle->updat->pbar();
}
// send last chunk (type)
raw.size = r;
raw.type = DUSB_RPKT_VIRT_DATA_LAST;
memcpy(raw.data, vtl->data + offset, r);
offset += r;
ret = dusb_send(handle, &raw);
if (ret)
{
break;
}
#if (VPKT_DBG == 2)
ticalcs_info(" PC->TI: Virtual Packet Data Final");
#endif
// XXX is that workaround necessary on 83PCE/84+CE/84+CE-T ?
if (handle->model != CALC_TI84P_USB && handle->model != CALC_TI84PC_USB && handle->model != CALC_TI82A_USB && handle->model != CALC_TI84PT_USB)
{
workaround_send(handle, &raw, vtl);
}
ret = dusb_recv_acknowledge(handle);
if (ret)
{
break;
}
}
} while(0);
end:
return ret;
}
TIEXPORT3 int TICALL dusb_send_data(CalcHandle *h, DUSBVirtualPacket *vtl)
{
DUSBRawPacket raw;
int i, r, q;
long offset;
if (h == NULL)
{
ticalcs_critical("%s: h is NULL", __FUNCTION__);
return ERR_INVALID_HANDLE;
}
if (vtl == NULL)
{
ticalcs_critical("%s: vtl is NULL", __FUNCTION__);
return ERR_INVALID_PACKET;
}
memset(&raw, 0, sizeof(raw));
if(vtl->size <= DATA_SIZE - DUSB_DH_SIZE)
{
// we have a single packet which is the last one, too
raw.size = vtl->size + DUSB_DH_SIZE;
raw.type = DUSB_RPKT_VIRT_DATA_LAST;
raw.data[0] = MSB(MSW(vtl->size));
raw.data[1] = LSB(MSW(vtl->size));
raw.data[2] = MSB(LSW(vtl->size));
raw.data[3] = LSB(LSW(vtl->size));
raw.data[4] = MSB(vtl->type);
raw.data[5] = LSB(vtl->type);
memcpy(&raw.data[DUSB_DH_SIZE], vtl->data, vtl->size);
TRYF(dusb_send(h, &raw));
#if (VPKT_DBG == 2)
ticalcs_info(" PC->TI: Virtual Packet Data Final\n\t\t(size = %08x, type = %s)",
vtl->size, dusb_vpkt_type2name(vtl->type));
#elif (VPKT_DBG == 1)
ticalcs_info(" PC->TI: %s", dusb_vpkt_type2name(vtl->type));
#endif
workaround_send(h, &raw, vtl);
TRYF(dusb_recv_acknowledge(h));
}
else
{
// we have more than one packet: first packet has data header
raw.size = DATA_SIZE;
raw.type = DUSB_RPKT_VIRT_DATA;
raw.data[0] = MSB(MSW(vtl->size));
raw.data[1] = LSB(MSW(vtl->size));
raw.data[2] = MSB(LSW(vtl->size));
raw.data[3] = LSB(LSW(vtl->size));
raw.data[4] = MSB(vtl->type);
raw.data[5] = LSB(vtl->type);
memcpy(&raw.data[DUSB_DH_SIZE], vtl->data, DATA_SIZE - DUSB_DH_SIZE);
offset = DATA_SIZE - DUSB_DH_SIZE;
TRYF(dusb_send(h, &raw));
#if (VPKT_DBG == 2)
ticalcs_info(" PC->TI: Virtual Packet Data with Continuation\n\t\t(size = %08x, type = %s)",
vtl->size, dusb_vpkt_type2name(vtl->type));
#elif (VPKT_DBG == 1)
ticalcs_info(" PC->TI: %s", dusb_vpkt_type2name(vtl->type));
#endif
//workaround_send(h, &raw, vtl);
TRYF(dusb_recv_acknowledge(h));
// other packets doesn't have data header but last one has a different type
q = (vtl->size - offset) / DATA_SIZE;
r = (vtl->size - offset) % DATA_SIZE;
// send full chunks (no header)
for(i = 1; i <= q; i++)
{
raw.size = DATA_SIZE;
raw.type = DUSB_RPKT_VIRT_DATA;
memcpy(raw.data, vtl->data + offset, DATA_SIZE);
offset += DATA_SIZE;
TRYF(dusb_send(h, &raw));
#if (VPKT_DBG == 2)
ticalcs_info(" PC->TI: Virtual Packet Data with Continuation");
#endif
TRYF(dusb_recv_acknowledge(h));
h->updat->max1 = vtl->size;
h->updat->cnt1 += DATA_SIZE;
h->updat->pbar();
}
// send last chunk (type)
//if(r)
{
raw.size = r;
raw.type = DUSB_RPKT_VIRT_DATA_LAST;
memcpy(raw.data, vtl->data + offset, r);
offset += r;
TRYF(dusb_send(h, &raw));
#if (VPKT_DBG == 2)
ticalcs_info(" PC->TI: Virtual Packet Data Final");
#endif
if (h->model != CALC_TI84P_USB)
{
workaround_send(h, &raw, vtl);
}
TRYF(dusb_recv_acknowledge(h));
}
}
return 0;
}
