X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Fcortex-m3%2Fio%2Fsam3.h;h=8b99055050fb8b98833b6fc310cf849a0d36018a;hb=deaee79553cf04ca1f548ca005dc399523c8f541;hp=c637d59e49a25fa15e8af00a20e0fe50ee824bdf;hpb=d6222ffd2cb7f51110e352988df89da3e048d144;p=bertos.git

diff --git a/bertos/cpu/cortex-m3/io/sam3.h b/bertos/cpu/cortex-m3/io/sam3.h
index c637d59e..8b990550 100644
--- a/bertos/cpu/cortex-m3/io/sam3.h
+++ b/bertos/cpu/cortex-m3/io/sam3.h
@@ -79,6 +79,24 @@
  * Hardware features for drivers.
  */
 #define USART_HAS_PDC  1
+#define SPI_HAS_PDC    1
+
+/* PDC registers */
+#define PERIPH_RPR_OFF  0x100  // Receive Pointer Register.
+#define PERIPH_RCR_OFF  0x104  // Receive Counter Register.
+#define PERIPH_TPR_OFF  0x108  // Transmit Pointer Register.
+#define PERIPH_TCR_OFF  0x10C  // Transmit Counter Register.
+#define PERIPH_RNPR_OFF 0x110  // Receive Next Pointer Register.
+#define PERIPH_RNCR_OFF 0x114  // Receive Next Counter Register.
+#define PERIPH_TNPR_OFF 0x118  // Transmit Next Pointer Register.
+#define PERIPH_TNCR_OFF 0x11C  // Transmit Next Counter Register.
+#define PERIPH_PTCR_OFF 0x120  // PDC Transfer Control Register.
+#define PERIPH_PTSR_OFF 0x124  // PDC Transfer Status Register.
+
+#define PDC_RXTEN  0
+#define PDC_RXTDIS 1
+#define PDC_TXTEN  8
+#define PDC_TXTDIS 9
 
 
 #include "sam3_sysctl.h"