| 1 | #include <stdio.h> |
| 2 | #include <usb.h> |
| 3 | |
| 4 | |
| 5 | typedef unsigned char u8; |
| 6 | typedef unsigned short u16; |
| 7 | typedef unsigned int u32; |
| 8 | #define array_size(x) (sizeof(x) / sizeof(x[0])) |
| 9 | |
| 10 | static const struct { |
| 11 | unsigned short vendor; |
| 12 | unsigned short product; |
| 13 | const char *name; |
| 14 | } g_devices[] = { |
| 15 | { 0x03eb, 0x202a, "16MX+U Game Device" }, |
| 16 | { 0x03eb, 0x202b, "32MX+U Game Device" }, |
| 17 | { 0x03eb, 0x202c, "16MX+US Game Device" }, |
| 18 | { 0x03eb, 0x202d, "32MX+UF Game Device" }, |
| 19 | }; |
| 20 | |
| 21 | /*****************************************************************************/ |
| 22 | |
| 23 | struct { |
| 24 | u8 magic[4]; |
| 25 | u8 reserved[11]; |
| 26 | u8 magic2; |
| 27 | u8 mx_cmd; |
| 28 | union { |
| 29 | struct { |
| 30 | u8 which_device; |
| 31 | u8 boot_cmd; |
| 32 | } dev_info; |
| 33 | struct { |
| 34 | u8 addrb2; /* most significant */ |
| 35 | u8 addrb1; |
| 36 | u8 addrb0; |
| 37 | u8 num_pages; |
| 38 | } rom_rw; |
| 39 | struct { |
| 40 | u8 position; |
| 41 | } filename; |
| 42 | struct { |
| 43 | u8 times_cmd; |
| 44 | u8 action; |
| 45 | u8 cntb3; |
| 46 | u8 cntb2; |
| 47 | u8 cntb1; |
| 48 | u8 cntb0; |
| 49 | } times_write; |
| 50 | }; |
| 51 | u8 pad[8]; |
| 52 | } dev_cmd; |
| 53 | |
| 54 | |
| 55 | static usb_dev_handle *get_device(void) |
| 56 | { |
| 57 | struct usb_dev_handle *handle; |
| 58 | struct usb_device *dev; |
| 59 | struct usb_bus *bus; |
| 60 | int i, ret; |
| 61 | |
| 62 | ret = usb_find_busses(); |
| 63 | if (ret <= 0) { |
| 64 | fprintf(stderr, "Can't find USB busses\n"); |
| 65 | return NULL; |
| 66 | } |
| 67 | |
| 68 | ret = usb_find_devices(); |
| 69 | if (ret <= 0) { |
| 70 | fprintf(stderr, "Can't find USB devices\n"); |
| 71 | return NULL; |
| 72 | } |
| 73 | |
| 74 | bus = usb_get_busses(); |
| 75 | for (; bus; bus = bus->next) |
| 76 | { |
| 77 | for (dev = bus->devices; dev; dev = dev->next) |
| 78 | { |
| 79 | for (i = 0; i < array_size(g_devices); i++) |
| 80 | { |
| 81 | if (dev->descriptor.idVendor == g_devices[i].vendor && |
| 82 | dev->descriptor.idProduct == g_devices[i].product) |
| 83 | goto found; |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | fprintf(stderr, "device not found.\n"); |
| 89 | return NULL; |
| 90 | |
| 91 | found: |
| 92 | printf("found %s.\n", g_devices[i].name); |
| 93 | |
| 94 | handle = usb_open(dev); |
| 95 | if (handle == NULL) { |
| 96 | fprintf(stderr, "failed to open device:\n"); |
| 97 | fprintf(stderr, "%s\n", usb_strerror()); |
| 98 | return NULL; |
| 99 | } |
| 100 | |
| 101 | ret = usb_set_configuration(handle, 1); |
| 102 | if (ret != 0) { |
| 103 | fprintf(stderr, "couldn't set configuration for /*/bus/usb/%s/%s:\n", |
| 104 | bus->dirname, dev->filename); |
| 105 | fprintf(stderr, "%s\n", usb_strerror()); |
| 106 | return NULL; |
| 107 | } |
| 108 | |
| 109 | ret = usb_claim_interface(handle, 0); |
| 110 | if (ret != 0) { |
| 111 | fprintf(stderr, "couldn't claim /*/bus/usb/%s/%s:\n", |
| 112 | bus->dirname, dev->filename); |
| 113 | fprintf(stderr, "%s (%d)\n", usb_strerror(), ret); |
| 114 | return NULL; |
| 115 | } |
| 116 | |
| 117 | return handle; |
| 118 | } |
| 119 | |
| 120 | static void release_device(struct usb_dev_handle *device) |
| 121 | { |
| 122 | usb_release_interface(device, 0); |
| 123 | usb_close(device); |
| 124 | } |
| 125 | |
| 126 | int main(int argc, char *argv[]) |
| 127 | { |
| 128 | struct usb_dev_handle *device; |
| 129 | |
| 130 | usb_init(); |
| 131 | |
| 132 | device = get_device(); |
| 133 | if (device == NULL) |
| 134 | return 1; |
| 135 | |
| 136 | |
| 137 | |
| 138 | release_device(device); |
| 139 | |
| 140 | return 0; |
| 141 | } |
| 142 | |