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pico hid bridge mode

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This commit is contained in:
Maxim Devaev
2023-08-25 12:35:28 +03:00
parent 82ca2b1cae
commit 21eddbde1c
10 changed files with 225 additions and 40 deletions
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58
hid/pico/src/ph_usb.c
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@@ -62,13 +62,13 @@ static void _mouse_rel_send_report(s8 x, s8 y, s8 h, s8 v);
void ph_usb_init(void) {
if (PH_O_IS_KBD_USB || PH_O_IS_MOUSE_USB) {
if (ph_g_is_bridge || PH_O_IS_KBD_USB || PH_O_IS_MOUSE_USB) {
tud_init(0);
}
}
void ph_usb_task(void) {
if (PH_O_IS_KBD_USB || PH_O_IS_MOUSE_USB) {
if (ph_g_is_bridge || PH_O_IS_KBD_USB || PH_O_IS_MOUSE_USB) {
tud_task();
static u64 next_ts = 0;
@@ -298,10 +298,31 @@ const u8 *tud_hid_descriptor_report_cb(u8 iface) {
return PH_USB_KBD_DESC; // _kbd_iface, PH_O_IS_KBD_USB
}
const u8 *tud_descriptor_configuration_cb(u8 index) {
// Invoked when received GET CONFIGURATION DESCRIPTOR
(void)index;
const u8 *_bridge_tud_descriptor_configuration_cb(void) {
enum {num_cdc = 0, num_cdc_data, num_total};
static const u8 desc[] = {
TUD_CONFIG_DESCRIPTOR(
1, // Config number
num_total,// Interface count
0, // String index
(TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN), // Total length
0, // Attribute
100 // Power in mA
),
TUD_CDC_DESCRIPTOR(
num_cdc,// Interface number
4, // String index
0x81, // EPNUM_CDC_NOTIF - EP notification address
8, // EP notification size
0x02, // EPNUM_CDC_OUT - EP OUT data address
0x82, // EPNUM_CDC_IN - EP IN data address
64 // EP size
),
};
return desc;
}
const u8 *_hid_tud_descriptor_configuration_cb(void) {
static u8 desc[TUD_CONFIG_DESC_LEN + TUD_HID_DESC_LEN * 2] = {0};
static bool filled = false;
@@ -338,10 +359,18 @@ const u8 *tud_descriptor_configuration_cb(u8 index) {
return desc;
}
const u8 *tud_descriptor_configuration_cb(u8 index) {
// Invoked when received GET CONFIGURATION DESCRIPTOR
(void)index;
if (ph_g_is_bridge) {
return _bridge_tud_descriptor_configuration_cb();
}
return _hid_tud_descriptor_configuration_cb();
}
const u8 *tud_descriptor_device_cb(void) {
// Invoked when received GET DEVICE DESCRIPTOR
static const tusb_desc_device_t desc = {
static tusb_desc_device_t desc = {
.bLength = sizeof(tusb_desc_device_t),
.bDescriptorType = TUSB_DESC_DEVICE,
.bcdUSB = 0x0200,
@@ -362,6 +391,12 @@ const u8 *tud_descriptor_device_cb(void) {
.bNumConfigurations = 1,
};
if (ph_g_is_bridge) {
desc.bDeviceClass = TUSB_CLASS_MISC;
desc.bDeviceSubClass = MISC_SUBCLASS_COMMON;
desc.bDeviceProtocol = MISC_PROTOCOL_IAD;
desc.idProduct = 0xEDA3;
}
return (const u8 *)&desc;
}
@@ -379,8 +414,15 @@ const u16 *tud_descriptor_string_cb(u8 index, u16 lang_id) {
char str[32];
switch (index) {
case 1: strcpy(str, "PiKVM"); break; // Manufacturer
case 2: strcpy(str, "PiKVM HID"); break; // Product
case 2: strcpy(str, (ph_g_is_bridge ? "PiKVM HID Bridge" : "PiKVM HID")); break; // Product
case 3: pico_get_unique_board_id_string(str, 32); break; // Serial
case 4: {
if (ph_g_is_bridge) {
strcpy(str, "PiKVM HID Bridge CDC");
} else {
return NULL;
}
}; break;
default: return NULL;
}
desc_str_len = strlen(str);