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stmhal: Fix USB_VCP.recv so that it returns actual amount of bytes read.

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Addresses issue #1529.
This commit is contained in:
Damien George 2015-10-25 21:43:07 +00:00
parent 8e8aac89a5
commit 79f404a287
1 changed files with 1 additions and 0 deletions
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stmhal/usb.c
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@ -440,6 +440,7 @@ STATIC mp_obj_t pyb_usb_vcp_recv(mp_uint_t n_args, const mp_obj_t *args, mp_map_
if (o_ret != MP_OBJ_NULL) { if (o_ret != MP_OBJ_NULL) {
return mp_obj_new_int(ret); // number of bytes read into given buffer return mp_obj_new_int(ret); // number of bytes read into given buffer
} else { } else {
vstr.len = ret; // set actual number of bytes read
return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr); // create a new buffer return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr); // create a new buffer
} }
} }