91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
#include <windows.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "board/qr.h"
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#include "hook/table.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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/*
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* Scans QR Codes that the Taiko twitter sometimes
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* puts out to unlock songs and other things. Pretty
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* sure that it's COM1...
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*/
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static HRESULT qr_handle_irp_locked(struct irp *irp);
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static HRESULT qr_handle_irp(struct irp *irp);
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static struct uart qr_uart;
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static CRITICAL_SECTION qr_lock;
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static uint8_t qr_written_bytes[520];
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static uint8_t qr_readable_bytes[520];
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HRESULT qr_hook_init(const struct qr_config *cfg, unsigned int port)
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{
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assert(cfg != NULL);
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if (!cfg->enable) {
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return S_FALSE;
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}
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if (cfg->port > 0) {
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port = cfg->port;
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}
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dprintf("QR: Init\n");
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uart_init(&qr_uart, port);
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qr_uart.written.bytes = qr_written_bytes;
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qr_uart.written.nbytes = sizeof(qr_written_bytes);
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qr_uart.readable.bytes = qr_readable_bytes;
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qr_uart.readable.nbytes = sizeof(qr_readable_bytes);
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InitializeCriticalSection(&qr_lock);
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return iohook_push_handler(qr_handle_irp);
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return S_OK;
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}
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static HRESULT qr_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(&qr_uart, irp)) {
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EnterCriticalSection(&qr_lock);
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hr = qr_handle_irp_locked(irp);
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LeaveCriticalSection(&qr_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 qr_handle_irp_locked(struct irp *irp)
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{
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HRESULT hr;
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if (irp->op == IRP_OP_OPEN) {
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dprintf("QR: Starting backend\n");
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}
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hr = uart_handle_irp(&qr_uart, irp);
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if (FAILED(hr)) {
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return hr;
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}
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#if 1
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dprintf("QR: IRP_OP %d Written\n", irp->op);
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dump_iobuf(&qr_uart.written);
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#endif
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return S_OK;
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} |