mio2io cleanup

This commit is contained in:
whowechina 2023-10-14 14:34:15 +08:00
parent fd174f97cd
commit 9679b95de9

View File

@ -4,6 +4,7 @@
#include <limits.h>
#include <stdint.h>
#include <stdbool.h>
#include <hidsdi.h>
#include <setupapi.h>
@ -94,32 +95,28 @@ HANDLE hid_open_device(uint16_t vid, uint16_t pid, uint8_t mi, bool first)
NULL, OPEN_EXISTING, 0, NULL);
}
int hid_get_report(HANDLE handle, uint8_t *buf, uint8_t report_id, uint8_t nb_bytes)
static bool hid_get_report(HANDLE handle, uint8_t *buf, uint8_t report_id, uint8_t size)
{
DWORD bytesRead = 0;
uint8_t tmp_buf[128];
if (buf == NULL) {
return -1;
}
tmp_buf[0] = report_id;
ReadFile(handle, tmp_buf, nb_bytes, &bytesRead, NULL);
// bytesRead should either be nb_bytes*2 (if it successfully read 2 reports) or nb_bytes (only one)
if (bytesRead != nb_bytes) {
return -1;
if (!ReadFile(handle, tmp_buf, 3 * size, &bytesRead, NULL)) {
return false;
}
/* HID read ok, copy latest report bytes */
memcpy(buf, tmp_buf, nb_bytes);
return 0;
if (bytesRead == 0 || bytesRead % size != 0) {
return false;
}
/* only the latest report */
memcpy(buf, tmp_buf + bytesRead - size, size);
return true;
}
static uint8_t mai2_opbtn;
static uint16_t mai2_player1_btn;
static uint16_t mai2_player2_btn;
static uint16_t mai2_p1_btn;
static uint16_t mai2_p2_btn;
static struct mai2_io_config mai2_io_cfg;
static bool mai2_io_coin;
@ -171,44 +168,48 @@ typedef struct joy_report_s {
HRESULT mai2_io_poll(void)
{
mai2_opbtn = 0;
mai2_player1_btn = 0;
mai2_player2_btn = 0;
uint8_t opbtn = 0;
if (GetAsyncKeyState(mai2_io_cfg.vk_test) & 0x8000) {
mai2_opbtn |= MAI2_IO_OPBTN_TEST;
opbtn |= MAI2_IO_OPBTN_TEST;
}
if (GetAsyncKeyState(mai2_io_cfg.vk_service) & 0x8000) {
mai2_opbtn |= MAI2_IO_OPBTN_SERVICE;
opbtn |= MAI2_IO_OPBTN_SERVICE;
}
if (GetAsyncKeyState(mai2_io_cfg.vk_coin) & 0x8000) {
if (!mai2_io_coin) {
mai2_io_coin = true;
mai2_opbtn |= MAI2_IO_OPBTN_COIN;
opbtn |= MAI2_IO_OPBTN_COIN;
}
} else {
mai2_io_coin = false;
}
mai2_opbtn = opbtn;
if (joy1_handle != INVALID_HANDLE_VALUE) {
joy_report_t joy_data;
hid_get_report(joy1_handle, (uint8_t *)&joy_data, 0x01, sizeof(joy_data));
mai2_player1_btn = joy_data.buttons;
if (hid_get_report(joy1_handle, (uint8_t *)&joy_data, 0x01, sizeof(joy_data))) {
if (mai2_io_cfg.swap_btn) {
mai2_p2_btn = joy_data.buttons;
} else {
mai2_p1_btn = joy_data.buttons;
}
}
}
if (joy2_handle != INVALID_HANDLE_VALUE) {
joy_report_t joy_data;
hid_get_report(joy2_handle, (uint8_t *)&joy_data, 0x01, sizeof(joy_data));
mai2_player2_btn = joy_data.buttons;
if (hid_get_report(joy2_handle, (uint8_t *)&joy_data, 0x01, sizeof(joy_data))) {
if (mai2_io_cfg.swap_btn) {
mai2_p1_btn = joy_data.buttons;
} else {
mai2_p2_btn = joy_data.buttons;
}
}
}
if (mai2_io_cfg.swap_btn) {
uint16_t tmp = mai2_player1_btn;
mai2_player1_btn = mai2_player2_btn;
mai2_player2_btn = tmp;
}
return S_OK;
}
@ -222,10 +223,10 @@ void mai2_io_get_opbtns(uint8_t *opbtn)
void mai2_io_get_gamebtns(uint16_t *player1, uint16_t *player2)
{
if (player1 != NULL) {
*player1 = mai2_player1_btn;
*player1 = mai2_p1_btn;
}
if (player2 != NULL ){
*player2 = mai2_player2_btn;
*player2 = mai2_p2_btn;
}
}