mirror of
https://gitea.tendokyu.moe/Dniel97/segatools.git
synced 2024-12-11 03:55:58 +01:00
254 lines
7.0 KiB
C
254 lines
7.0 KiB
C
#include <windows.h>
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#include <assert.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 "carolhook/carol-dll.h"
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#include "carolhook/touch.h"
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#include "hook/table.h"
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#include "hooklib/uart.h"
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#include "util/dprintf.h"
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#include "util/dump.h"
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/**
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* CMDS for touch thing
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* CX -> Calibrate Extend, preform callibration
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* MS -> Mode Stream, enters stream mode
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* R -> Reset, resets the device
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* RD -> Reset Default, Resets the device to factory
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* Z -> Null, keepalive command
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* NM -> Name, return the name of the device (not documented?)
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* OI -> Output Identity, output unique device identity, SC followed by 4 characters
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* UT -> Unit Type, returns controller unit type + status
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*/
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static HRESULT touch_handle_irp(struct irp *irp);
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static HRESULT touch_handle_irp_locked(struct irp *irp);
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static HRESULT touch_frame_decode(struct touch_req *dest, struct iobuf *iobuf);
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static HRESULT handle_touch_ack_cmd(const struct touch_req *req);
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static HRESULT handle_touch_name_cmd(const struct touch_req *req);
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static HRESULT handle_touch_id_cmd(const struct touch_req *req);
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static HRESULT handle_touch_unit_type_cmd(const struct touch_req *req);
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static void touch_scan_auto(const bool is_pressed, const uint16_t mouse_x, const uint16_t mouse_y);
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static CRITICAL_SECTION touch_lock;
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static struct uart touch_uart;
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static uint8_t touch_written_bytes[528];
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static uint8_t touch_readable_bytes[528];
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static bool should_stream = false;
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static bool last_pressed;
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static uint8_t last_x1;
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static uint8_t last_x2;
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static uint8_t last_y1;
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static uint8_t last_y2;
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HRESULT touch_hook_init(const struct touch_config *cfg)
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{
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if (!cfg->enable) {
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return S_OK;
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}
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InitializeCriticalSection(&touch_lock);
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uart_init(&touch_uart, 1);
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touch_uart.written.bytes = touch_written_bytes;
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touch_uart.written.nbytes = sizeof(touch_written_bytes);
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touch_uart.readable.bytes = touch_readable_bytes;
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touch_uart.readable.nbytes = sizeof(touch_readable_bytes);
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dprintf("Touchscreen: Init\n");
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return iohook_push_handler(touch_handle_irp);
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return S_OK;
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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(&touch_uart, irp)) {
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return iohook_invoke_next(irp);
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}
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EnterCriticalSection(&touch_lock);
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hr = touch_handle_irp_locked(irp);
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LeaveCriticalSection(&touch_lock);
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return hr;
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}
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static HRESULT touch_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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assert(carol_dll.touch_init != NULL);
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if (irp->op == IRP_OP_OPEN) {
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dprintf("Touchscreen: Starting backend DLL\n");
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hr = carol_dll.touch_init();
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carol_dll.touch_start(touch_scan_auto);
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if (FAILED(hr)) {
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dprintf("Touchscreen: Backend DLL 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(&touch_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("Touchscreen: TX Buffer:\n");
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dump_iobuf(&touch_uart.written);
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#endif
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hr = touch_frame_decode(&req, &touch_uart.written);
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if (FAILED(hr)) {
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dprintf("Touchscreen: Deframe Error: %X\n", (int) hr);
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return hr;
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}
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if (!strcmp("Z", (char *)req.cmd)) {
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hr = handle_touch_ack_cmd(&req);
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}
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else if (!strcmp("OI", (char *)req.cmd)) {
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hr = handle_touch_id_cmd(&req);
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}
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else if (!strcmp("UT", (char *)req.cmd)) {
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hr = handle_touch_unit_type_cmd(&req);
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}
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else if (!strcmp("NM", (char *)req.cmd)) {
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hr = handle_touch_name_cmd(&req);
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}
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else if (!strcmp("R", (char *)req.cmd)) {
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carol_dll.touch_stop();
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dprintf("Touch: Reset\n");
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hr = handle_touch_ack_cmd(&req);
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}
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else {
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dprintf("Touchscreen: Unhandled cmd %s\n", (char *)req.cmd);
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hr = handle_touch_ack_cmd(&req);
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}
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return hr;
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}
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}
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static HRESULT handle_touch_ack_cmd(const struct touch_req *req)
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{
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return iobuf_write(&touch_uart.readable, "\0010\015", 3);
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}
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static HRESULT handle_touch_name_cmd(const struct touch_req *req)
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{
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dprintf("Touch: Get Name\n");
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return iobuf_write(&touch_uart.readable, "\001AD1000\015", 15);
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}
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static HRESULT handle_touch_id_cmd(const struct touch_req *req)
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{
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dprintf("Touch: Get ID\n");
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return iobuf_write(&touch_uart.readable, "\001AD1000\015", 8);
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}
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static HRESULT handle_touch_unit_type_cmd(const struct touch_req *req)
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{
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dprintf("Touch: Get Unit Type\n");
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return iobuf_write(&touch_uart.readable, "\001AD****00\015", 8);
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}
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static void touch_scan_auto(const bool is_pressed, const uint16_t mouse_x, const uint16_t mouse_y)
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{
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struct touch_auto_resp resp;
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uint16_t tmp_x;
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uint16_t tmp_y;
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bool flg = false;
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memset(&resp, 0, sizeof(resp));
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resp.touches[0].status |= 1 << 7;
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if (is_pressed) {
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resp.touches[0].status |= (1 << 7) | (1 << 6);
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resp.touches[0].touch_id = 1;
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tmp_x = mouse_x & 0x7FFF;
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tmp_y = mouse_y & 0x7FFF;
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resp.touches[0].x1 = tmp_x & 0x7F;
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resp.touches[0].x2 = (tmp_x >> 7) & 0x7F;
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resp.touches[0].y1 = tmp_y & 0x7F;
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resp.touches[0].y2 = (tmp_y >> 7) & 0x7F;
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flg = resp.touches[0].x1 != last_x1 || resp.touches[0].x2 != last_x2 || resp.touches[0].y1 != last_y1 || resp.touches[0].y2 != last_y2;
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#if 1
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if (flg)
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dprintf("Touch: Mouse down! x %02X %02X y: %02X %02X\n", resp.touches[0].x1, resp.touches[0].x2, resp.touches[0].y1, resp.touches[0].y2);
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#endif
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last_x1 = resp.touches[0].x1;
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last_x2 = resp.touches[0].x2;
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last_y1 = resp.touches[0].y1;
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last_y2 = resp.touches[0].y2;
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} else if (last_pressed) {
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resp.touches[0].x1 = last_x1;
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resp.touches[0].x2 = last_x2;
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resp.touches[0].y1 = last_y1;
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resp.touches[0].y2 = last_y2;
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}
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last_pressed = is_pressed;
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EnterCriticalSection(&touch_lock);
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iobuf_write(&touch_uart.readable, &resp, sizeof(resp));
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LeaveCriticalSection(&touch_lock);
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#if 0
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dprintf("Touch: RX Buffer: (pos %08x)\n", (uint32_t)touch_uart.readable.pos);
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dump_iobuf(&touch_uart.readable);
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#endif
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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)
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{
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dest->sync = iobuf->bytes[0];
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memset(dest->cmd, 0, sizeof(dest->cmd));
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size_t data_len = 0;
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for (int i = 1; i < 255; i++) {
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if (iobuf->bytes[i] == 0x0D) { break; }
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dest->cmd[i - 1] = iobuf->bytes[i];
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data_len++;
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}
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dest->tail = iobuf->bytes[data_len + 1];
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dest->data_len = data_len;
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iobuf->pos = 0;
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if (dest->sync != 1 || dest->tail != 0x0D) {
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dprintf("Touch: Data recieve error, sync: 0x%02X (expected 0x01) tail: 0x%02X (expected 0x0D)", dest->sync, dest->tail);
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return E_FAIL;
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}
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return S_OK;
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}
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