From 743191582a73e7cad46425d6c90a27f0c34dca0a Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Fri, 21 Jun 2013 20:31:37 +0200
Subject: [PATCH 1/1] more errata 1...

---
 culfw/culfw-asksin-fix.diff | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/culfw/culfw-asksin-fix.diff b/culfw/culfw-asksin-fix.diff
index 38621e7..3887a57 100644
--- a/culfw/culfw-asksin-fix.diff
+++ b/culfw/culfw-asksin-fix.diff
@@ -101,7 +101,7 @@ Index: clib/rf_asksin.c
  void
  rf_asksin_task(void)
  {
-@@ -77,18 +108,51 @@
+@@ -77,18 +108,57 @@
    uint8_t dec[MAX_ASKSIN_MSG];
    uint8_t rssi;
    uint8_t l;
@@ -121,6 +121,12 @@ Index: clib/rf_asksin.c
 +      break;
 +
 +    rxfifo_cnt &= 0x7f;
++
++    // We must not read the last byte from the RX fifo while RX is in progress (Errata 1)
++    while ((rxfifo_cnt == 1) && (cc1100_readReg(CC1100_PKTSTATUS) & (1 << 3))) {
++      my_delay_ms(1);
++      rxfifo_cnt = read_cc1100_rxbytes() & 0x7f;
++    }
 +
      enc[0] = cc1100_readReg( CC1100_RXFIFO ) & 0x7f; // read len
 +    rxfifo_cnt--;
@@ -158,7 +164,7 @@ Index: clib/rf_asksin.c
      CC1100_ASSERT;
      cc1100_sendbyte( CC1100_READ_BURST | CC1100_RXFIFO );
      
-@@ -97,14 +161,19 @@
+@@ -97,14 +167,19 @@
      }
      
      rssi = cc1100_sendbyte( 0 );
@@ -183,7 +189,7 @@ Index: clib/rf_asksin.c
      dec[0] = enc[0];
      dec[1] = (~enc[1]) ^ 0x89;
      
-@@ -113,7 +182,6 @@
+@@ -113,7 +188,6 @@
      
      dec[l] = enc[l] ^ dec[2];
      
@@ -191,7 +197,7 @@ Index: clib/rf_asksin.c
      if (tx_report & REP_BINTIME) {
        
        DC('a');
-@@ -131,26 +199,17 @@
+@@ -131,26 +205,17 @@
        
        DNL();
      }
@@ -227,7 +233,7 @@ Index: clib/rf_asksin.c
  }
  
  void
-@@ -173,20 +232,7 @@
+@@ -173,20 +238,7 @@
      my_delay_ms(3);             // 3ms: Found by trial and error
    }
  
@@ -248,7 +254,7 @@ Index: clib/rf_asksin.c
    enc[0] = dec[0];
    enc[1] = (~dec[1]) ^ 0x89;
  
-@@ -195,6 +241,15 @@
+@@ -195,6 +247,15 @@
    
    enc[l] = dec[l] ^ dec[2];
  
@@ -264,7 +270,7 @@ Index: clib/rf_asksin.c
    // send
    CC1100_ASSERT;
    cc1100_sendbyte(CC1100_WRITE_BURST | CC1100_TXFIFO);
-@@ -205,12 +260,17 @@
+@@ -205,12 +266,17 @@
  
    CC1100_DEASSERT;
  
-- 
2.39.5