X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/blobdiff_plain/15e476bc8dcadb88cad1e593e22cbeca62d05edb..refs/tags/hexrel-6.4:/avr/main.c?ds=sidebyside

diff --git a/avr/main.c b/avr/main.c
index f601736..3852e75 100644
--- a/avr/main.c
+++ b/avr/main.c
@@ -1,15 +1,18 @@
 /*
+ * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 
 #include "common.h"
-
 #include <avr/interrupt.h>
+#include <avr/wdt.h>
 #include <stdlib.h>
 #include <stdio.h>
 
 #include "config.h"
-#include "debug.h"
+#include "ff.h"
 #include "z80-if.h"
 #include "i2c.h"
 #include "con-utils.h"
@@ -21,12 +24,11 @@
 #include "gpio.h"
 #include "time.h"
 #include "rtc.h"
+#include "debug.h"
 
-static uint8_t mcusr;
+uint8_t mcusr __attribute__ ((section (".noinit")));
 
-/*--------------------------------------------------------------------------*/
 #if DEBUG
-
 __attribute__ ((naked)) __attribute__ ((section (".init3")))
 void preset_ram (void)
 {
@@ -34,6 +36,21 @@ void preset_ram (void)
 		*p = 0xdd;
 
 }
+#endif
+
+__attribute__ ((naked)) __attribute__ ((section (".init3")))
+void get_mcusr (void)
+{
+	/* save and clear reset reason(s) */
+	/* TODO: move to init section? */
+	mcusr = MCUSR;
+	MCUSR = 0;
+
+	wdt_disable();
+}
+
+/*--------------------------------------------------------------------------*/
+#if DEBUG
 
 static const FLASH char * const FLASH rreasons[] = {
 			FSTR("Power on"),
@@ -75,13 +92,6 @@ ISR(INT6_vect)
 static
 void setup_avr(void)
 {
-	/* save and clear reset reason(s) */
-	/* TODO: move to init section? */
-	mcusr = MCUSR;
-	MCUSR = 0;
-
-	/* WD */
-
 	/* CPU */
 
 	/* Disable JTAG Interface regardless of the JTAGEN fuse setting. */
@@ -136,6 +146,17 @@ void setup_system_time(void)
 	set_system_time(mk_gmtime(&rtc_time) );
 }
 
+
+
+static void setup_fatfs(void)
+{
+	static FATFS FatFs0;
+	static FATFS FatFs1;
+
+	f_mount(&FatFs0, "0:", 0);
+	f_mount(&FatFs1, "1:", 0);
+}
+
 /*--------------------------------------------------------------------------*/
 
 /* Stored value of bootdelay, used by autoboot_command() */
@@ -252,14 +273,9 @@ int main(void)
 	print_reset_reason();
 #endif
 
-#if DEBUG
-	unsigned long i_speed = getenv_ulong(PSTR("i2c_clock"), 10, CONFIG_SYS_I2C_CLOCK);
-	debug("### Setting I2C clock Frequency to %lu Hz.\n", i_speed);
-	i2c_init(i_speed);
-#else
 	i2c_init(CONFIG_SYS_I2C_CLOCK);
-#endif
 	setup_system_time();
+	setup_fatfs();
 
 	printf_P(PSTR("\nATMEGA1281+Z8S180 Stamp Monitor\n\n"));