zaphkito/segatools
1
0
Fork 0
forked from TeamTofuShop/segatools
Code Pull Requests Activity

carol: fix ports

Browse Source
This commit is contained in:
Hay1tsme
2023-04-11 00:20:51 -04:00
parent 8c97dc09c0
commit ef00932c64
14 changed files with 308 additions and 143 deletions
Download Patch File Download Diff File Expand all files Collapse all files

132
carolhook/controlbd.c
View File

@ -18,8 +18,8 @@
static HRESULT controlbd_handle_irp(struct irp *irp);
static HRESULT controlbd_handle_irp_locked(struct irp *irp);
static HRESULT controlbd_frame_decode(struct controlbd_req *dest, struct iobuf *iobuf);
static HRESULT controlbd_frame_dispatch(struct controlbd_req *dest);
//static HRESULT controlbd_frame_decode(struct controlbd_req *dest, struct iobuf *iobuf);
//static HRESULT controlbd_frame_dispatch(struct controlbd_req *dest);
static HRESULT controlbd_req_noop(uint8_t cmd);
static HRESULT controlbd_req_unk7c(uint8_t cmd);
@ -38,7 +38,7 @@ HRESULT controlbd_hook_init(const struct controlbd_config *cfg)
InitializeCriticalSection(&controlbd_lock);
uart_init(&controlbd_uart, 11);
uart_init(&controlbd_uart, 12);
controlbd_uart.written.bytes = controlbd_written_bytes;
controlbd_uart.written.nbytes = sizeof(controlbd_written_bytes);
controlbd_uart.readable.bytes = controlbd_readable_bytes;
@ -49,6 +49,7 @@ HRESULT controlbd_hook_init(const struct controlbd_config *cfg)
return iohook_push_handler(controlbd_handle_irp);
}
static HRESULT controlbd_handle_irp(struct irp *irp)
{
HRESULT hr;
@ -68,17 +69,16 @@ static HRESULT controlbd_handle_irp(struct irp *irp)
static HRESULT controlbd_handle_irp_locked(struct irp *irp)
{
struct controlbd_req req;
HRESULT hr;
assert(carol_dll.controlbd_init != NULL);
if (irp->op == IRP_OP_OPEN) {
dprintf("Control Board: Starting backend DLL\n");
dprintf("LED Board: Starting backend DLL\n");
hr = carol_dll.controlbd_init();
if (FAILED(hr)) {
dprintf("Control Board: Backend DLL error: 0X%X\n", (int) hr);
dprintf("LED Board: Backend DLL error: 0X%X\n", (int) hr);
return hr;
}
@ -91,132 +91,26 @@ static HRESULT controlbd_handle_irp_locked(struct irp *irp)
}
for (;;) {
#if 0
dprintf("Control Board: TX Buffer:\n");
#if 1
dprintf("LED Board: TX Buffer:\n");
dump_iobuf(&controlbd_uart.written);
#endif
hr = controlbd_frame_decode(&req, &controlbd_uart.written);
//hr = controlbd_frame_decode(&req, &controlbd_uart.written);
if (FAILED(hr)) {
dprintf("Control Board: Deframe Error: 0X%X\n", (int) hr);
dprintf("LED Board: Deframe Error: 0X%X\n", (int) hr);
return hr;
}
hr = controlbd_frame_dispatch(&req);
//hr = controlbd_frame_dispatch(&req);
if (FAILED(hr)) {
dprintf("Control Board: Dispatch Error: 0X%X\n", (int) hr);
dprintf("LED Board: Dispatch Error: 0X%X\n", (int) hr);
return hr;
}
controlbd_uart.written.pos = 0;
return hr;
}
}
static HRESULT controlbd_frame_dispatch(struct controlbd_req *req)
{
switch (req->cmd) {
case CONTROLBD_CMD_UNK_10:
return controlbd_req_noop(req->cmd);
case CONTROLBD_CMD_UNK_7C:
return controlbd_req_unk7c(req->cmd);
case CONTROLBD_CMD_UNK_F0:
return controlbd_req_unkF0(req->cmd);
case CONTROLBD_CMD_UNK_30:
return controlbd_req_noop(req->cmd);
default:
dprintf("Unhandled command 0x%02X\n", req->cmd);
return controlbd_req_noop(req->cmd);
}
}
static HRESULT controlbd_req_noop(uint8_t cmd)
{
dprintf("Control Board: Noop cmd 0x%02X\n", cmd);
uint8_t resp[] = { 0xE0, 0x01, 0x11, 0x03, 0x01, 0x00, 0x01, 0x17 };
resp[5] = cmd;
resp[7] = 0x17 + cmd;
iobuf_write(&controlbd_uart.readable, resp, 8);
return S_OK;
}
static HRESULT controlbd_req_unk7c(uint8_t cmd)
{
dprintf("Control Board: Cmd 0x7C\n");
uint8_t resp[] = { 0xE0, 0x01, 0x11, 0x04, 0x01, 0x7C, 0x01, 0x07, 0x9B };
iobuf_write(&controlbd_uart.readable, resp, 9);
return S_OK;
}
static HRESULT controlbd_req_unkF0(uint8_t cmd)
{
dprintf("Control Board: Cmd 0xF0\n");
uint8_t resp[] = { 0xE0, 0x01, 0x11, 0x0A, 0x01, 0xF0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0E };
iobuf_write(&controlbd_uart.readable, resp, 16);
return S_OK;
}
/* Decodes the response into a struct that's easier to work with. TODO: Further validation */
static HRESULT controlbd_frame_decode(struct controlbd_req *dest, struct iobuf *iobuf)
{
int initial_pos = iobuf->pos;
int processed_pos = 0;
uint8_t check = 0;
bool escape = false;
dump_iobuf(iobuf);
dest->sync = iobuf->bytes[0];
dest->dest = iobuf->bytes[1];
check += dest->dest;
dest->src = iobuf->bytes[2];
check += dest->src;
dest->data_len = iobuf->bytes[3];
check += dest->data_len;
dest->cmd = iobuf->bytes[4];
check += dest->cmd;
if (dest->data_len > 1) {
for (int i = 0; i < iobuf->pos - 6; i++) {
if (iobuf->bytes[i+6] == 0xD0) {
escape = true;
}
dest->data[i] = iobuf->bytes[i+6];
if (escape) {
dest->data[i]++;
escape = false;
}
check += dest->data[i];
}
}
dest->checksum = iobuf->bytes[iobuf->pos - 1];
if (escape) {
dest->checksum++;
escape = false;
}
iobuf->pos = 0;
if (dest->sync != 0xe0) {
dprintf("Control Board: Sync error, expected 0xe0, got 0X%02X\n", dest->sync);
return E_FAIL;
}
if (dest->checksum != (check & 0xFF)) {
dprintf("Control Board: Checksum error, expected 0X%02X, got 0X%02X\n", dest->checksum, check);
return E_FAIL;
}
return S_OK;
}