implement hid methods in trezor.msg

extmod/modtrezormsg/modtrezormsg-stmhal.h

@@ -1,4 +1,7 @@
-#include <usrsw.h>
+extern struct _USBD_HandleTypeDef hUSBDDevice;
+extern int switch_get(void);
+extern uint8_t USBD_HID_SendReport(struct _USBD_HandleTypeDef *pdev, uint8_t *report, uint16_t len);
+extern int USBD_HID_Rx(uint8_t *buf, uint32_t len, uint32_t timeout);
 
 void msg_init(void)
 {
@@ -6,12 +9,15 @@ void msg_init(void)
 
 ssize_t msg_recv(uint8_t *iface, uint8_t *buf, size_t len)
 {
-    return 0;
+    *iface = 0; // use always interface 0 for now
+    return USBD_HID_Rx(buf, len, 1);
 }
 
 ssize_t msg_send(uint8_t iface, const uint8_t *buf, size_t len)
 {
-    return -1;
+    (void)iface; // ignore interface for now
+    USBD_HID_SendReport(&hUSBDDevice, (uint8_t *)buf, len);
+    return len;
 }
 
 // this should match values used in trezorui_poll_sdl_event() in modtrezorui/display-unix.h

vendor/micropython

@@ -1 +1 @@
-Subproject commit 543ad3d43277b81d25c6f6cbba4215e12d761856
+Subproject commit 177a7bc48bca3cd9fb8de9103fce2e26ce996c1a