From cb67feee197b17c7ca6e9f4316122598b9518c3d Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Fri, 17 Jan 2020 17:06:46 +0100
Subject: [PATCH] documentation

---
 armsrc/hitag2.c | 1 +
 armsrc/lfadc.c  | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/armsrc/hitag2.c b/armsrc/hitag2.c
index 158ffa095..0e56918a5 100644
--- a/armsrc/hitag2.c
+++ b/armsrc/hitag2.c
@@ -1326,6 +1326,7 @@ void ReaderHitag(hitag_function htf, hitag_data *htd) {
     }
 
     LED_D_ON();
+
     hitag2_init();
 
     // init as reader
diff --git a/armsrc/lfadc.c b/armsrc/lfadc.c
index eaaa38631..3e15fdc0b 100644
--- a/armsrc/lfadc.c
+++ b/armsrc/lfadc.c
@@ -155,7 +155,11 @@ void lf_init(bool reader) {
     FpgaSetupSsc();
 
     // When in reader mode, give the field a bit of time to settle.
-    if (reader) SpinDelay(50);
+    // 313T0 = 313 * 8us = 2504us = 2.5ms  Hitag2 tags needs to be fully powered.
+    if (reader) {
+        // 50 ms
+        SpinDelay(50);
+    }
 
     // Steal this pin from the SSP (SPI communication channel with fpga) and use it to control the modulation
     AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT;