spicetools/acioemu/handle.cpp

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2024-08-28 15:10:34 +00:00
#include "handle.h"
#include "misc/eamuse.h"
#include "rawinput/rawinput.h"
#include "util/utils.h"
acioemu::ACIOHandle::ACIOHandle(LPCWSTR lpCOMPort) {
this->com_port = lpCOMPort;
}
bool acioemu::ACIOHandle::open(LPCWSTR lpFileName) {
if (wcscmp(lpFileName, com_port) != 0) {
return false;
}
log_info("acioemu", "Opened {} (ACIO)", ws2s(com_port));
// ACIO device
acio_emu.add_device(new acioemu::ICCADevice(false, true, 2));
return true;
}
int acioemu::ACIOHandle::read(LPVOID lpBuffer, DWORD nNumberOfBytesToRead) {
auto buffer = reinterpret_cast<uint8_t *>(lpBuffer);
// read from emu
DWORD bytes_read = 0;
while (bytes_read < nNumberOfBytesToRead) {
auto cur_byte = acio_emu.read();
if (cur_byte.has_value()) {
buffer[bytes_read++] = cur_byte.value();
} else {
break;
}
}
// return amount of bytes read
return (int) bytes_read;
}
int acioemu::ACIOHandle::write(LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite) {
auto buffer = reinterpret_cast<const uint8_t *>(lpBuffer);
// write to emu
for (DWORD i = 0; i < nNumberOfBytesToWrite; i++) {
acio_emu.write(buffer[i]);
}
// return all data written
return (int) nNumberOfBytesToWrite;
}
int acioemu::ACIOHandle::device_io(
DWORD dwIoControlCode,
LPVOID lpInBuffer,
DWORD nInBufferSize,
LPVOID lpOutBuffer,
DWORD nOutBufferSize
) {
return -1;
}
size_t acioemu::ACIOHandle::bytes_available() {
return acio_emu.bytes_available();
}
bool acioemu::ACIOHandle::close() {
log_info("acioemu", "Closed {} (ACIO)", ws2s(com_port));
return true;
}