forked from Dniel97/segatools
IO device shows as connected, no auto read tho
This commit is contained in:
Hay1tsme
parent
2e7c7c1fe0
commit
3f41eb5b31
@ -28,9 +28,17 @@ 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 HRESULT touch_frame_encode(struct iobuf *dest, const void *ptr, size_t nbytes);
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static uint8_t calc_checksum(const void *ptr, size_t nbytes);
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static HRESULT touch_handle_get_rev_date(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_rev_date_detail(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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uint8_t input_frame_count = 0x7b;
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static CRITICAL_SECTION touch0_lock;
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static struct uart touch0_uart;
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@ -43,9 +51,9 @@ 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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{
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assert(cfg != NULL);
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assert(mercury_dll.touch_init != 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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@ -82,7 +90,7 @@ static HRESULT touch_handle_irp(struct irp *irp)
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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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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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@ -117,7 +125,7 @@ static HRESULT touch0_handle_irp_locked(struct irp *irp)
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}
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for (;;) {
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#if 1
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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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@ -164,7 +172,7 @@ static HRESULT touch1_handle_irp_locked(struct irp *irp)
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}
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for (;;) {
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#if 1
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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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@ -196,37 +204,191 @@ static HRESULT touch_req_dispatch(const struct touch_req *req)
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return touch_handle_get_rev_date(req);
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case CMD_STARTUP:
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return touch_handle_startup(req);
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case CMD_GET_REV_DATE_DETAIL:
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return touch_handle_get_rev_date_detail(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_rev_date(const struct touch_req *req)
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{
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struct touch_resp_get_rev_date resp;
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HRESULT hr;
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uint8_t rev[6] = { 0x31, 0x39, 0x30, 0x35, 0x32, 0x33 };
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dprintf("Wacca Touch%d: Get board rev date\n", req->side);
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resp.cmd = 0xa0;
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memcpy(resp.data, rev, sizeof(rev));
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//resp.data = rev;
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if (req->side == 0) {
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// TODO: a0 31 39 30 35 32 33 2c
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hr = touch_frame_encode(&touch0_uart.readable, &resp, sizeof(resp));
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}
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else {
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// TODO: see above
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hr = touch_frame_encode(&touch1_uart.readable, &resp, sizeof(resp));
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}
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return S_OK;
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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\n", req->side);
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if (req->side == 0) {
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// TODO: 20 20 20 20 30 20 20 20 20 30 20 20 20 20 31 20 20 20 20 32 20 20 20 20 33 20 20 20 20 34 20 20 20 20 35 20 20 20 31 35 20 20 20 31 35 20 20 20 31 35 20 20 20 31 35 20 20 20 31 35 20 20 20 31 35 20 20 20 31 31 20 20 20 31 31 20 20 20 31 31 0d
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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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if (req->side == 0) {
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hr = touch_frame_encode(&touch0_uart.readable, &resp, sizeof(resp));
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}
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else {
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// TODO: see above
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hr = touch_frame_encode(&touch1_uart.readable, &resp, sizeof(resp));
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}
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return S_OK;
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return hr;
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}
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static HRESULT touch_handle_get_rev_date_detail(const struct touch_req *req)
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{
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struct touch_resp_get_rev_date_detail resp;
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HRESULT hr;
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uint8_t rev[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 rev date detail\n", req->side);
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resp.cmd = 0xa8;
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memcpy(resp.data, rev, sizeof(rev));
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if (req->side == 0) {
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hr = touch_frame_encode(&touch0_uart.readable, &resp, sizeof(resp));
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}
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else {
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hr = touch_frame_encode(&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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if (req->side == 0) {
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hr = touch_frame_encode(&touch0_uart.readable, &resp, sizeof(resp));
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}
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else {
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hr = touch_frame_encode(&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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if (req->side == 0) {
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hr = touch_frame_encode(&touch0_uart.readable, &resp, sizeof(resp));
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}
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else {
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hr = touch_frame_encode(&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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resp.frame.count = input_frame_count++;
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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 = calc_checksum(&resp.frame, sizeof(resp.frame));
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if (req->side == 0) {
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hr = touch_frame_encode(&touch0_uart.readable, &resp, sizeof(resp));
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}
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else {
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hr = touch_frame_encode(&touch1_uart.readable, &resp, sizeof(resp));
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}
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return hr;
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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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@ -243,3 +405,39 @@ static HRESULT touch_frame_decode(struct touch_req *dest, struct iobuf *iobuf, i
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return S_OK;
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}
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/* Encode and send the response.
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* The last byte of every response is a checksum.
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* This checksum is calculated by bitwise XORing
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* every byte in the response, then dropping the MSB.
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* Thanks the CrazyRedMachine for figuring that out!!
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*/
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static HRESULT touch_frame_encode(struct iobuf *dest, const void *ptr, size_t nbytes)
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{
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const uint8_t *src;
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uint8_t checksum = 0;
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src = ptr;
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for (size_t i = 0; i < nbytes; i++) {
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dest->bytes[dest->pos++] = src[i];
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checksum = checksum^(src[i]);
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}
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dest->bytes[dest->pos++] = checksum&0x7f;
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return S_OK;
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}
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static uint8_t calc_checksum(const void *ptr, size_t nbytes)
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{
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const uint8_t *src;
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uint8_t checksum = 0;
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src = ptr;
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for (size_t i = 0; i < nbytes; i++) {
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checksum = checksum^(src[i]);
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}
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return checksum&0x7f;
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}
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@ -12,20 +12,60 @@ enum touch_cmd {
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CMD_GET_REV_DATE = 0xa0,
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CMD_STARTUP = 0x72,
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CMD_GET_REV_DATE_DETAIL = 0xa8,
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CMD_UNKNOWN1 = 0xa2,
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CMD_UNKNOWN2 = 0x94,
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CMD_START_AUTO = 0xc9
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CMD_MYSTERY1 = 0xa2,
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CMD_MYSTERY2 = 0x94,
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CMD_START_AUTO_SCAN = 0xc9,
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CMD_BEGIN_WRITE = 0x77,
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CMD_NEXT_WRITE = 0x20
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};
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struct touch_req {
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int side;
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int cmd; // First byte is the command byte
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int data[256]; // rest of the data goes here
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int data_length; // Size of the data including command byte
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uint8_t side; // COM3 or COM4
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uint8_t cmd; // First byte is the command byte
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uint8_t data[256]; // rest of the data goes here
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uint8_t data_length; // Size of the data including command byte
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};
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// The checksum is only calculated when we're about to send it so
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// it's not part of any of these structs. Just note that the last
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// byte of every response is a checksum
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struct touch_input_frame {
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int data[36];
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uint8_t cmd;
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uint8_t data1[24];
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uint8_t data2[9];
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uint8_t count;
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uint8_t checksum;
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};
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struct touch_resp_get_rev_date {
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uint8_t cmd;
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uint8_t data[6];
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};
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struct touch_resp_startup {
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uint8_t data[80];
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};
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struct touch_resp_get_rev_date_detail {
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uint8_t cmd;
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uint8_t data[43];
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};
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struct touch_resp_mystery1 {
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uint8_t cmd;
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uint8_t data;
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};
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struct touch_resp_mystery2 {
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uint8_t cmd;
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uint8_t data;
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};
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struct touch_resp_start_auto {
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uint8_t cmd;
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uint8_t data;
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uint8_t checksum;
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struct touch_input_frame frame;
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};
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HRESULT touch_hook_init(const struct touch_config *cfg);
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