From 948f16ee2071b267646f92861208811b3e8e9853 Mon Sep 17 00:00:00 2001
From: henryk <henryk@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>
Date: Sun, 11 Nov 2007 04:31:13 +0000
Subject: Add da_get_value to return the last written value Add commands to
 increase and decrease comparator threshold

git-svn-id: https://svn.openpcd.org:2342/trunk@320 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
---
 openpicc/application/da.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'openpicc/application/da.c')

diff --git a/openpicc/application/da.c b/openpicc/application/da.c
index 64cee5b..e645053 100644
--- a/openpicc/application/da.c
+++ b/openpicc/application/da.c
@@ -26,6 +26,7 @@
 #include <lib_AT91SAM7.h>
 
 static const AT91PS_SPI spi = AT91C_BASE_SPI;
+static u_int8_t last_value;
 
 void da_comp_carr(u_int8_t position)
 {
@@ -43,6 +44,12 @@ void da_comp_carr(u_int8_t position)
 	while (!(spi->SPI_SR & AT91C_SPI_TDRE)) { }
 	for (i = 0; i < 0xff; i++) { }
 	AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPICC_PIO_SS2_DT_THRESH);
+	last_value = position;
+}
+
+u_int8_t da_get_value(void)
+{
+	return last_value;
 }
 
 void da_init(void)
-- 
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