spi is shared between the rtc and tsc2100

adds the very begining of the rtc driver (only reads the time currently


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14935 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 41 insertions, 3 deletions

diff --git a/firmware/drivers/rtc/rtc_rx5x348ab.c b/firmware/drivers/rtc/rtc_rx5x348ab.c
new file mode 100644
index 0000000..3db30d2
--- /dev/null
+++ b/firmware/drivers/rtc/rtc_rx5x348ab.c
@@ -0,0 +1,35 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: rtc_as3514.c 12131 2007-01-27 20:48:48Z dan_a $
+ *
+ * Copyright (C) 2007 by Jonathan Gordon
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include "spi.h"
+#include "rtc.h"
+#include <stdbool.h>
+
+void rtc_init(void)
+{
+}
+
+int rtc_read_datetime(unsigned char* buf)
+{
+    char command = 0x04; /* burst read from the start of the time/date reg */
+    spi_block_transfer(SPI_target_RX5X348AB,
+                       &command, 1, buf, 7);
+    return 1;
+}
\ No newline at end of file
diff --git a/firmware/drivers/tsc2100.c b/firmware/drivers/tsc2100.c
index 19da33e..ccb8c1f 100644
--- a/firmware/drivers/tsc2100.c
+++ b/firmware/drivers/tsc2100.c
@@ -30,7 +30,8 @@ void tsc2100_read_values(short *x, short* y, short *z1, short *z2)
     unsigned short command = 0x8000|(page << 11)|(address << 5);
     unsigned char out[] = {command >> 8, command & 0xff};
     unsigned char in[8];
-    spi_block_transfer(out, sizeof(out), in, sizeof(in));
+    spi_block_transfer(SPI_target_TSC2100, 
+                       out, sizeof(out), in, sizeof(in));
 
     *x = (in[0]<<8)|in[1];
     *y = (in[2]<<8)|in[3];
@@ -43,7 +44,8 @@ short tsc2100_readreg(int page, int address)
     unsigned short command = 0x8000|(page << 11)|(address << 5);
     unsigned char out[] = {command >> 8, command & 0xff};
     unsigned char in[2];
-    spi_block_transfer(out, sizeof(out), in, sizeof(in));
+    spi_block_transfer(SPI_target_TSC2100, 
+                       out, sizeof(out), in, sizeof(in));
     return (in[0]<<8)|in[1];
 }
 
@@ -53,7 +55,8 @@ void tsc2100_writereg(int page, int address, short value)
     unsigned short command = 0x8000|(page << 11)|(address << 5);
     unsigned char out[4] = {command >> 8, command & 0xff,
                             value >> 8,   value & 0xff};
-    spi_block_transfer(out, sizeof(out), NULL, 0);
+    spi_block_transfer(SPI_target_TSC2100, 
+                       out, sizeof(out), NULL, 0);
 }
 
 void tsc2100_keyclick(void)