mirror of
https://gitea.tendokyu.moe/Dniel97/segatools.git
synced 2024-12-11 03:55:58 +01:00
480 lines
14 KiB
C
480 lines
14 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 touch_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_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, struct iobuf *iobuf, int side);
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static uint8_t calc_checksum(const void *ptr, size_t nbytes);
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static HRESULT touch_handle_get_sync_board_ver(const struct touch_req *req);
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static HRESULT touch_handle_startup(const struct touch_req *req);
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static HRESULT touch_handle_get_unit_board_ver(const struct touch_req *req);
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static HRESULT touch_handle_mystery1(const struct touch_req *req);
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static HRESULT touch_handle_mystery2(const struct touch_req *req);
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static HRESULT touch_handle_start_auto_scan(const struct touch_req *req);
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static void touch_res_auto_scan(const uint8_t *state);
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uint8_t input_frame_count_0 = 0x7b;
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uint8_t input_frame_count_1 = 0x7b;
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bool touch0_auto = false;
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bool touch1_auto = false;
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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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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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return iohook_push_handler(touch_handle_irp);
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}
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static HRESULT touch_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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EnterCriticalSection(&touch0_lock);
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hr = touch0_handle_irp_locked(irp);
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LeaveCriticalSection(&touch0_lock);
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}
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else if (uart_match_irp(&touch1_uart, irp)) {
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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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}
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else {
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return iohook_invoke_next(irp);
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}
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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 0
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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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return hr;
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}
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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 0
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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, &touch1_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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return hr;
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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_SYNC_BOARD_VER:
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return touch_handle_get_sync_board_ver(req);
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case CMD_STARTUP:
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return touch_handle_startup(req);
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case CMD_GET_UNIT_BOARD_VER:
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return touch_handle_get_unit_board_ver(req);
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case CMD_MYSTERY1:
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return touch_handle_mystery1(req);
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case CMD_MYSTERY2:
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return touch_handle_mystery2(req);
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case CMD_START_AUTO_SCAN:
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return touch_handle_start_auto_scan(req);
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case CMD_BEGIN_WRITE:
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dprintf("Wacca touch: Begin write for side %d\n", req->side);
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return S_OK;
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case CMD_NEXT_WRITE:
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dprintf("Wacca touch: continue write for side %d\n", req->side);
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return S_OK;
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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_sync_board_ver(const struct touch_req *req)
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{
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struct touch_resp_get_sync_board_ver resp;
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HRESULT hr;
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uint8_t sync_board_ver[6] = { 0x31, 0x39, 0x30, 0x35, 0x32, 0x33 };
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dprintf("Wacca Touch%d: Get sync board version\n", req->side);
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resp.cmd = 0xa0;
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// TODO: Why does strcpy_s here give a runtime warning and not work????
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//strcpy_s(resp.version, sizeof(resp.version), "190523");
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memcpy(resp.version, sync_board_ver, sizeof(sync_board_ver));
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resp.checksum = 0;
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resp.checksum = calc_checksum(&resp, sizeof(resp));
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if (req->side == 0) {
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hr = iobuf_write(&touch0_uart.readable, &resp, sizeof(resp));
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}
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else {
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hr = iobuf_write(&touch1_uart.readable, &resp, sizeof(resp));
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}
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return hr;
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}
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/* TODO: Very ugly please make better before upstreaming */
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static HRESULT touch_handle_startup(const struct touch_req *req)
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{
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struct touch_resp_startup resp;
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HRESULT hr;
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uint8_t *rev;
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dprintf("Wacca Touch%d: Startup %2hx\n", req->side, req->data[2]);
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switch (req->data[2]) {
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case 0x30:
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rev = (uint8_t[80]) { 0x20, 0x20, 0x20, 0x20, 0x30, 0x20, 0x20, 0x20, 0x20, 0x30, 0x20,
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0x20, 0x20, 0x20, 0x31, 0x20, 0x20, 0x20, 0x20, 0x32, 0x20, 0x20, 0x20, 0x20,
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0x33, 0x20, 0x20, 0x20, 0x20, 0x34, 0x20, 0x20, 0x20, 0x20, 0x35, 0x20, 0x20,
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0x20, 0x31, 0x35, 0x20, 0x20, 0x20, 0x31, 0x35, 0x20, 0x20, 0x20, 0x31, 0x35,
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0x20, 0x20, 0x20, 0x31, 0x35, 0x20, 0x20, 0x20, 0x31, 0x35, 0x20, 0x20, 0x20,
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0x31, 0x35, 0x20, 0x20, 0x20, 0x31, 0x31, 0x20, 0x20, 0x20, 0x31, 0x31, 0x20,
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0x20, 0x20, 0x31, 0x31 };
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break;
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case 0x31:
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rev = (uint8_t[80]) { 0x20, 0x20, 0x20, 0x31, 0x31, 0x20, 0x20, 0x20, 0x31, 0x31, 0x20,
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0x20, 0x20, 0x31, 0x31, 0x20, 0x20, 0x31, 0x32, 0x38, 0x20, 0x20, 0x31, 0x30,
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0x33, 0x20, 0x20, 0x31, 0x30, 0x33, 0x20, 0x20, 0x31, 0x31, 0x35, 0x20, 0x20,
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0x31, 0x33, 0x38, 0x20, 0x20, 0x31, 0x32, 0x37, 0x20, 0x20, 0x31, 0x30, 0x33,
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0x20, 0x20, 0x31, 0x30, 0x35, 0x20, 0x20, 0x31, 0x31, 0x31, 0x20, 0x20, 0x31,
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0x32, 0x36, 0x20, 0x20, 0x31, 0x31, 0x33, 0x20, 0x20, 0x20, 0x39, 0x35, 0x20,
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0x20, 0x31, 0x30, 0x30 };
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break;
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case 0x33:
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rev = (uint8_t[80]) { 0x20, 0x20, 0x31, 0x30, 0x31, 0x20, 0x20, 0x31, 0x31, 0x35, 0x20,
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0x20, 0x20, 0x39, 0x38, 0x20, 0x20, 0x20, 0x38, 0x36, 0x20, 0x20, 0x20, 0x37,
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0x36, 0x20, 0x20, 0x20, 0x36, 0x37, 0x20, 0x20, 0x20, 0x36, 0x38, 0x20, 0x20,
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0x20, 0x34, 0x38, 0x20, 0x20, 0x31, 0x31, 0x37, 0x20, 0x20, 0x20, 0x20, 0x30,
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0x20, 0x20, 0x20, 0x38, 0x32, 0x20, 0x20, 0x31, 0x35, 0x34, 0x20, 0x20, 0x20,
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0x20, 0x30, 0x20, 0x20, 0x20, 0x20, 0x36, 0x20, 0x20, 0x20, 0x33, 0x35, 0x20,
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0x20, 0x20, 0x20, 0x34 };
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break;
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default:
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dprintf("Wacca touch: BAD STARTUP REQUEST %2hx\n", req->data[2]);
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return 1;
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}
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memcpy(resp.data, rev, 80 * sizeof(uint8_t));
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resp.checksum = 0;
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resp.checksum = calc_checksum(&resp, sizeof(resp));
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if (req->side == 0) {
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hr = iobuf_write(&touch0_uart.readable, &resp, sizeof(resp));
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}
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else {
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hr = iobuf_write(&touch1_uart.readable, &resp, sizeof(resp));
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}
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return hr;
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}
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static HRESULT touch_handle_get_unit_board_ver(const struct touch_req *req)
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{
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struct touch_resp_get_unit_board_ver resp;
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HRESULT hr;
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uint8_t unit_board_ver[43] = { 0x31, 0x39, 0x30, 0x35, 0x32, 0x33, 0x52, 0x31,
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0x39, 0x30, 0x35, 0x31, 0x34, 0x31, 0x39, 0x30, 0x35, 0x31, 0x34, 0x31,
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0x39, 0x30, 0x35, 0x31, 0x34, 0x31, 0x39, 0x30, 0x35, 0x31, 0x34, 0x31,
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0x39, 0x30, 0x35, 0x31, 0x34, 0x31, 0x39, 0x30, 0x35, 0x31, 0x34 };
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dprintf("Wacca Touch%d: get unit board version\n", req->side);
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resp.cmd = 0xa8;
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memcpy(resp.version, unit_board_ver, sizeof(unit_board_ver));
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resp.checksum = 0;
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resp.checksum = calc_checksum(&resp, sizeof(resp));
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if (req->side == 0) {
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hr = iobuf_write(&touch0_uart.readable, &resp, sizeof(resp));
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}
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else {
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hr = iobuf_write(&touch1_uart.readable, &resp, sizeof(resp));
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}
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return hr;
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}
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static HRESULT touch_handle_mystery1(const struct touch_req *req)
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{
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struct touch_resp_mystery1 resp;
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HRESULT hr;
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dprintf("Wacca Touch%d: mystery command 1\n", req->side);
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resp.cmd = 0xa2;
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resp.data = 0x3f;
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resp.checksum = 0;
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resp.checksum = calc_checksum(&resp, sizeof(resp));
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if (req->side == 0) {
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hr = iobuf_write(&touch0_uart.readable, &resp, sizeof(resp));
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}
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else {
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hr = iobuf_write(&touch1_uart.readable, &resp, sizeof(resp));
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}
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return hr;
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}
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static HRESULT touch_handle_mystery2(const struct touch_req *req)
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{
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struct touch_resp_mystery2 resp;
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HRESULT hr;
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dprintf("Wacca Touch%d: mystery command 2\n", req->side);
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resp.cmd = 0x94;
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resp.data = 0;
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resp.checksum = 0;
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resp.checksum = calc_checksum(&resp, sizeof(resp));
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if (req->side == 0) {
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hr = iobuf_write(&touch0_uart.readable, &resp, sizeof(resp));
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}
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else {
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hr = iobuf_write(&touch1_uart.readable, &resp, sizeof(resp));
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}
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return hr;
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}
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static HRESULT touch_handle_start_auto_scan(const struct touch_req *req)
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{
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struct touch_resp_start_auto resp;
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HRESULT hr;
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uint8_t data1[24] = { 0 };
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uint8_t data2[9] = { 0x0d, 0x03, 0x02, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00 };
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dprintf("Wacca Touch%d: Start Auto\n", req->side);
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resp.cmd = 0x9c;
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resp.data = 0;
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resp.checksum = 0x49;
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resp.frame.cmd= 0x81;
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memcpy(resp.frame.data1, data1, sizeof(data1));
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memcpy(resp.frame.data2, data2, sizeof(data2));
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resp.frame.checksum = 0;
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resp.frame.checksum = calc_checksum(&resp.frame, sizeof(resp.frame));
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if (req->side == 0) {
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resp.frame.count = input_frame_count_0++;
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hr = iobuf_write(&touch0_uart.readable, &resp, sizeof(resp));
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touch0_auto = true;
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}
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else {
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resp.frame.count = input_frame_count_1++;
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hr = iobuf_write(&touch1_uart.readable, &resp, sizeof(resp));
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touch1_auto = true;
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}
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mercury_dll.touch_start(touch_res_auto_scan);
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return hr;
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}
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static void touch_res_auto_scan(const uint8_t *state)
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{
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struct touch_input_frame frame0;
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//struct touch_input_frame frame1;
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uint8_t data1[24] = { 0 };
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uint8_t data2[9] = { 0x0d, 0x03, 0x02, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00 };
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frame0.cmd = 0x81;
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frame0.count = input_frame_count_0++;
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input_frame_count_0 %= 0x7f;
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// for now return no data
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memcpy(frame0.data1, data1, sizeof(data1));
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memcpy(frame0.data2, data2, sizeof(data2));
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frame0.checksum = 0;
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frame0.checksum = calc_checksum(&frame0, sizeof(frame0));
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if (touch0_auto) {
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//dprintf("Wacca touch: Touch0 auto frame #%2hx sent\n", frame0.count);
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EnterCriticalSection(&touch0_lock);
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iobuf_write(&touch0_uart.readable, &frame0, sizeof(frame0));
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LeaveCriticalSection(&touch0_lock);
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}
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if (touch1_auto) {
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//dprintf("Wacca touch: Touch1 auto frame #%2hx sent\n", frame0.count);
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EnterCriticalSection(&touch1_lock);
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iobuf_write(&touch1_uart.readable, &frame0, sizeof(frame0));
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LeaveCriticalSection(&touch1_lock);
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}
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}
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/* Decodes the response into a struct that's easier to work with. */
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static HRESULT touch_frame_decode(struct touch_req *dest, 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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iobuf->pos--;
|
|
dest->data_length = iobuf->pos;
|
|
|
|
if (dest->data_length > 0) {
|
|
for (int i = 1; i < dest->data_length; i++) {
|
|
dest->data[i-1] = iobuf->bytes[i];
|
|
}
|
|
}
|
|
iobuf->pos -= dest->data_length;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* The last byte of every response is a checksum.
|
|
* This checksum is calculated by bitwise XORing
|
|
* every byte in the response, then dropping the MSB.
|
|
* Thanks the CrazyRedMachine for figuring that out!!
|
|
*/
|
|
static uint8_t calc_checksum(const void *ptr, size_t nbytes)
|
|
{
|
|
const uint8_t *src;
|
|
uint8_t checksum = 0;
|
|
|
|
src = ptr;
|
|
|
|
for (size_t i = 0; i < nbytes; i++) {
|
|
//dprintf("Wacca touch: Calculating %2hx\n", src[i]);
|
|
checksum = checksum^(src[i]);
|
|
}
|
|
//dprintf("Wacca touch: Checksum is %2hx\n", checksum&0x7f);
|
|
return checksum&0x7f;
|
|
}
|