forked from Hay1tsme/segatools
bc2928804c
Combine the NFC module emulator with the LED module emulator and a virtual UART to build a higher-level reusable building block.
104 lines
2.3 KiB
C
104 lines
2.3 KiB
C
#include <windows.h>
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#include <assert.h>
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#include <stdint.h>
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#include "board/sg-led.h"
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#include "board/sg-nfc.h"
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#include "board/sg-reader.h"
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#include "hook/iohook.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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static HRESULT sg_reader_handle_irp_locked(
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struct sg_reader *reader,
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struct irp *irp);
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void sg_reader_init(
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struct sg_reader *reader,
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unsigned int port_no,
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const struct sg_nfc_ops *nfc_ops,
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const struct sg_led_ops *led_ops,
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void *ops_ctx)
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{
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assert(reader != NULL);
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assert(nfc_ops != NULL);
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assert(led_ops != NULL);
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sg_nfc_init(&reader->nfc, 0x00, nfc_ops, ops_ctx);
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sg_led_init(&reader->led, 0x08, led_ops, ops_ctx);
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InitializeCriticalSection(&reader->lock);
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uart_init(&reader->uart, port_no);
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reader->uart.written.bytes = reader->written_bytes;
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reader->uart.written.nbytes = sizeof(reader->written_bytes);
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reader->uart.readable.bytes = reader->readable_bytes;
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reader->uart.readable.nbytes = sizeof(reader->readable_bytes);
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}
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HRESULT sg_reader_handle_irp(struct sg_reader *reader, struct irp *irp)
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{
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HRESULT hr;
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assert(reader != NULL);
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assert(irp != NULL);
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if (!uart_match_irp(&reader->uart, irp)) {
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return iohook_invoke_next(irp);
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}
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EnterCriticalSection(&reader->lock);
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hr = sg_reader_handle_irp_locked(reader, irp);
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LeaveCriticalSection(&reader->lock);
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return hr;
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}
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static HRESULT sg_reader_handle_irp_locked(
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struct sg_reader *reader,
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struct irp *irp)
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{
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HRESULT hr;
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#if 0
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if (irp->op == IRP_OP_WRITE) {
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dprintf("WRITE:\n");
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dump_const_iobuf(&irp->write);
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}
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#endif
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#if 0
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if (irp->op == IRP_OP_READ) {
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dprintf("READ:\n");
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dump_iobuf(&reader->uart.readable);
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}
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#endif
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hr = uart_handle_irp(&reader->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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sg_nfc_transact(
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&reader->nfc,
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&reader->uart.readable,
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reader->uart.written.bytes,
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reader->uart.written.pos);
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sg_led_transact(
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&reader->led,
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&reader->uart.readable,
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reader->uart.written.bytes,
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reader->uart.written.pos);
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reader->uart.written.pos = 0;
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return hr;
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}
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