segatools/cardhook/_com12.c

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#include <windows.h>
#include <assert.h>
#include <stdint.h>
#include "aimeio/aimeio.h"
#include "board/sg-led.h"
#include "board/sg-nfc.h"
#include "cardhook/_com12.h"
#include "hook/iohook.h"
#include "hooklib/uart.h"
#include "util/dprintf.h"
#include "util/dump.h"
static HRESULT com12_handle_irp(struct irp *irp);
static HRESULT com12_handle_irp_locked(struct irp *irp);
static HRESULT com12_mifare_poll(void *ctx, uint32_t *uid);
static HRESULT com12_mifare_read_luid(
void *ctx,
uint32_t uid,
uint8_t *luid,
size_t nbytes);
static void com12_led_set_color(void *ctx, uint8_t r, uint8_t g, uint8_t b);
static const struct sg_nfc_ops com12_nfc_ops = {
.mifare_poll = com12_mifare_poll,
.mifare_read_luid = com12_mifare_read_luid,
};
static const struct sg_led_ops com12_led_ops = {
.set_color = com12_led_set_color,
};
static struct sg_nfc com12_nfc;
static struct sg_led com12_led;
static CRITICAL_SECTION com12_lock;
static struct uart com12_uart;
static uint8_t com12_written_bytes[520];
static uint8_t com12_readable_bytes[520];
HRESULT com12_hook_init(void)
{
HRESULT hr;
hr = aime_io_init();
if (FAILED(hr)) {
return hr;
}
sg_nfc_init(&com12_nfc, 0x00, &com12_nfc_ops, NULL);
sg_led_init(&com12_led, 0x08, &com12_led_ops, NULL);
InitializeCriticalSection(&com12_lock);
uart_init(&com12_uart, 12);
com12_uart.written.bytes = com12_written_bytes;
com12_uart.written.nbytes = sizeof(com12_written_bytes);
com12_uart.readable.bytes = com12_readable_bytes;
com12_uart.readable.nbytes = sizeof(com12_readable_bytes);
return iohook_push_handler(com12_handle_irp);
}
static HRESULT com12_handle_irp(struct irp *irp)
{
HRESULT hr;
assert(irp != NULL);
if (!uart_match_irp(&com12_uart, irp)) {
return iohook_invoke_next(irp);
}
EnterCriticalSection(&com12_lock);
hr = com12_handle_irp_locked(irp);
LeaveCriticalSection(&com12_lock);
return hr;
}
static HRESULT com12_handle_irp_locked(struct irp *irp)
{
HRESULT hr;
#if 0
if (irp->op == IRP_OP_WRITE) {
dprintf("WRITE:\n");
dump_const_iobuf(&irp->write);
}
#endif
#if 0
if (irp->op == IRP_OP_READ) {
dprintf("READ:\n");
dump_iobuf(&com12_uart.readable);
}
#endif
hr = uart_handle_irp(&com12_uart, irp);
if (FAILED(hr) || irp->op != IRP_OP_WRITE) {
return hr;
}
sg_nfc_transact(
&com12_nfc,
&com12_uart.readable,
com12_uart.written.bytes,
com12_uart.written.pos);
sg_led_transact(
&com12_led,
&com12_uart.readable,
com12_uart.written.bytes,
com12_uart.written.pos);
com12_uart.written.pos = 0;
return hr;
}
static HRESULT com12_mifare_poll(void *ctx, uint32_t *uid)
{
return aime_io_mifare_poll(0, uid);
}
static HRESULT com12_mifare_read_luid(
void *ctx,
uint32_t uid,
uint8_t *luid,
size_t luid_size)
{
return aime_io_mifare_read_luid(0, uid, luid, luid_size);
}
static void com12_led_set_color(void *ctx, uint8_t r, uint8_t g, uint8_t b)
{
aime_io_led_set_color(0, r, g, b);
}