From 7f0f7a9b08de56ba7312f94a0706da1cd4348e61 Mon Sep 17 00:00:00 2001 From: Vegard Storheil Eriksen Date: Mon, 15 Aug 2016 05:19:05 +0200 Subject: Set SCK pin drive strength to max to fix SPI errata. --- main.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/main.cpp b/main.cpp index a3c6eea..2d2cf4f 100644 --- a/main.cpp +++ b/main.cpp @@ -499,6 +499,7 @@ int main() { nfc_ss.on(); nfc_ss.set_mode(Pin::Output); + nfc_sck.set_speed(Pin::High); nfc_sck.set_mode(Pin::AF); nfc_miso.set_mode(Pin::AF); nfc_mosi.set_mode(Pin::AF); -- cgit v1.2.3