Merge pull request #13 from base-org/michael/ledger-flex

Add support for ledger flex

Author: Michael de Hoog

usbwallet/hub.go

@@ -73,20 +73,22 @@ func NewLedgerHub() (*Hub, error) {
 	return newHub(LedgerScheme, 0x2c97, []uint16{
 
 		// Device definitions taken from
-		// https://github.com/LedgerHQ/ledger-live/blob/38012bc8899e0f07149ea9cfe7e64b2c146bc92b/libs/ledgerjs/packages/devices/src/index.ts
+		// https://github.com/LedgerHQ/ledger-live/blob/595cb73b7e6622dbbcfc11867082ddc886f1bf01/libs/ledgerjs/packages/devices/src/index.ts
 
 		// Original product IDs
 		0x0000, /* Ledger Blue */
 		0x0001, /* Ledger Nano S */
 		0x0004, /* Ledger Nano X */
 		0x0005, /* Ledger Nano S Plus */
 		0x0006, /* Ledger Nano FTS */
+		0x0007, /* Ledger Flex */
 
 		0x0000, /* WebUSB Ledger Blue */
 		0x1000, /* WebUSB Ledger Nano S */
 		0x4000, /* WebUSB Ledger Nano X */
 		0x5000, /* WebUSB Ledger Nano S Plus */
 		0x6000, /* WebUSB Ledger Nano FTS */
+		0x7000, /* WebUSB Ledger Flex */
 	}, 0xffa0, 0, newLedgerDriver)
 }
 
@@ -168,9 +170,11 @@ func (hub *Hub) refreshWallets() {
 
 	for _, info := range infos {
 		for _, id := range hub.productIDs {
+			// We check both the raw ProductID (legacy) and just the upper byte, as Ledger
+			// uses `MMII`, encoding a model (MM) and an interface bitfield (II)
+			mmOnly := info.ProductID & 0xff00
 			// Windows and Macos use UsageID matching, Linux uses Interface matching
-			upperId := info.ProductID & 0xff00
-			if (info.ProductID == id || upperId == id) && (info.UsagePage == hub.usageID || info.Interface == hub.endpointID) {
+			if (info.ProductID == id || mmOnly == id) && (info.UsagePage == hub.usageID || info.Interface == hub.endpointID) {
 				devices = append(devices, info)
 				break
 			}