forked from Hay1tsme/segatools
253 lines
6.3 KiB
C
253 lines
6.3 KiB
C
#include <windows.h>
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#include <assert.h>
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#include <process.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <string.h>
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#include "board/slider-cmd.h"
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#include "board/slider-frame.h"
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#include "mercuryhook/mercury-dll.h"
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#include "mercuryhook/touch.h"
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#include "hook/iobuf.h"
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#include "hook/iohook.h"
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#include "hooklib/uart.h"
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#include "hooklib/fdshark.h"
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#include "util/dprintf.h"
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#include "util/dump.h"
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static HRESULT touch0_handle_irp(struct irp *irp);
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static HRESULT touch0_handle_irp_locked(struct irp *irp);
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static HRESULT touch1_handle_irp(struct irp *irp);
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static HRESULT touch1_handle_irp_locked(struct irp *irp);
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static HRESULT touch_req_dispatch(const struct touch_req *req);
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static HRESULT touch_frame_decode(struct touch_req *dest, const struct iobuf *iobuf, int side);
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static HRESULT touch_handle_get_rev_date(const struct touch_req *req);
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static CRITICAL_SECTION touch0_lock;
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static struct uart touch0_uart;
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static uint8_t touch0_written_bytes[520];
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static uint8_t touch0_readable_bytes[520];
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static CRITICAL_SECTION touch1_lock;
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static struct uart touch1_uart;
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static uint8_t touch1_written_bytes[520];
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static uint8_t touch1_readable_bytes[520];
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HRESULT touch_hook_init(const struct touch_config *cfg)
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{
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assert(cfg != NULL);
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assert(mercury_dll.touch_init != NULL);
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// not sure why this always returns false...
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/*if (!cfg->enable) {
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return S_FALSE;
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}*/
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InitializeCriticalSection(&touch0_lock);
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InitializeCriticalSection(&touch1_lock);
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dprintf("Wacca touch: init\n");
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uart_init(&touch0_uart, 3);
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touch0_uart.written.bytes = touch0_written_bytes;
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touch0_uart.written.nbytes = sizeof(touch0_written_bytes);
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touch0_uart.readable.bytes = touch0_readable_bytes;
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touch0_uart.readable.nbytes = sizeof(touch0_readable_bytes);
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uart_init(&touch1_uart, 4);
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touch1_uart.written.bytes = touch1_written_bytes;
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touch1_uart.written.nbytes = sizeof(touch1_written_bytes);
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touch1_uart.readable.bytes = touch1_readable_bytes;
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touch1_uart.readable.nbytes = sizeof(touch1_readable_bytes);
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iohook_push_handler(touch0_handle_irp);
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iohook_push_handler(touch1_handle_irp);
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return S_OK;
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}
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static HRESULT touch0_handle_irp(struct irp *irp)
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{
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HRESULT hr;
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assert(irp != NULL);
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if (!uart_match_irp(&touch0_uart, irp)) {
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return iohook_invoke_next(irp);
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}
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EnterCriticalSection(&touch0_lock);
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hr = touch0_handle_irp_locked(irp);
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LeaveCriticalSection(&touch0_lock);
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return hr;
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}
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static HRESULT touch0_handle_irp_locked(struct irp *irp)
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{
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struct touch_req req;
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HRESULT hr;
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if (irp->op == IRP_OP_OPEN) {
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dprintf("Wacca touch0: Starting backend\n");
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hr = mercury_dll.touch_init();
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if (FAILED(hr)) {
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dprintf("Wacca touch: Backend error: %x\n", (int) hr);
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return hr;
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}
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}
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hr = uart_handle_irp(&touch0_uart, irp);
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if (FAILED(hr) || irp->op != IRP_OP_WRITE) {
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return hr;
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}
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for (;;) {
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#if 1
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dprintf("TX0 Buffer:\n");
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dump_iobuf(&touch0_uart.written);
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#endif
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hr = touch_frame_decode(&req, &touch0_uart.written, 0);
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if (hr != S_OK) {
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if (FAILED(hr)) {
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dprintf("Wacca touch: Deframe error: %x\n", (int) hr);
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}
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return hr;
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}
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hr = touch_req_dispatch(&req);
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if (FAILED(hr)) {
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dprintf("Wacca touch: Processing error: %x\n", (int) hr);
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}
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}
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}
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static HRESULT touch1_handle_irp(struct irp *irp)
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{
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HRESULT hr;
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assert(irp != NULL);
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if (!uart_match_irp(&touch1_uart, irp)) {
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return iohook_invoke_next(irp);
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}
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EnterCriticalSection(&touch1_lock);
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hr = touch1_handle_irp_locked(irp);
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LeaveCriticalSection(&touch1_lock);
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return hr;
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}
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static HRESULT touch1_handle_irp_locked(struct irp *irp)
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{
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struct touch_req req;
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HRESULT hr;
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if (irp->op == IRP_OP_OPEN) {
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dprintf("Wacca touch1: Starting backend\n");
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hr = mercury_dll.touch_init();
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if (FAILED(hr)) {
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dprintf("Wacca touch: Backend error: %x\n", (int) hr);
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return hr;
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}
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}
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hr = uart_handle_irp(&touch1_uart, irp);
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if (FAILED(hr) || irp->op != IRP_OP_WRITE) {
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return hr;
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}
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for (;;) {
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#if 1
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dprintf("TX1 Buffer:\n");
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dump_iobuf(&touch1_uart.written);
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#endif
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hr = touch_frame_decode(&req, &touch0_uart.written, 1);
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if (hr != S_OK) {
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if (FAILED(hr)) {
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dprintf("Wacca touch: Deframe error: %x\n", (int) hr);
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}
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return hr;
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}
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hr = touch_req_dispatch(&req);
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if (FAILED(hr)) {
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dprintf("Wacca touch: Processing error: %x\n", (int) hr);
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}
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}
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}
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static HRESULT touch_req_dispatch(const struct touch_req *req)
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{
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switch (req->cmd) {
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case CMD_GET_REV_DATE:
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return touch_handle_get_rev_date(req);
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default:
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dprintf("Wacca touch: Unhandled command %02x\n", req->cmd);
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return S_OK;
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}
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}
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static HRESULT touch_handle_get_rev_date(const struct touch_req *req)
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{
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dprintf("Wacca Touch%d: Get board rev date\n", req->side);
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if (req->side) {
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touch0_uart.readable.bytes[0] = 0xa0;
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touch0_uart.readable.bytes[1] = 0x31;
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touch0_uart.readable.bytes[2] = 0x39;
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touch0_uart.readable.bytes[3] = 0x30;
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touch0_uart.readable.bytes[4] = 0x35;
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touch0_uart.readable.bytes[5] = 0x32;
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touch0_uart.readable.bytes[6] = 0x33;
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touch0_uart.readable.bytes[7] = 0x2c;
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}
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else {
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touch1_uart.readable.bytes[0] = 0xa0;
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touch1_uart.readable.bytes[1] = 0x31;
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touch1_uart.readable.bytes[2] = 0x39;
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touch1_uart.readable.bytes[3] = 0x30;
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touch1_uart.readable.bytes[4] = 0x35;
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touch1_uart.readable.bytes[5] = 0x32;
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touch1_uart.readable.bytes[6] = 0x33;
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touch1_uart.readable.bytes[7] = 0x2c;
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}
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return S_OK;
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}
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static HRESULT touch_frame_decode(struct touch_req *dest, const struct iobuf *iobuf, int side)
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{
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dest->side = side;
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dest->cmd = iobuf->bytes[0];
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dest->data_length = _countof(iobuf->bytes) - 1;
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if (dest->data_length > 0) {
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for (int i = 1; i < dest->data_length; i++) {
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dest->data[i-1] = iobuf->bytes[i];
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}
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}
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return S_OK;
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}
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