X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/blobdiff_plain/f3e47f679c5154908d3f869c1e9a4b5fcc29d4a5..dd1cc6f0b4a9cc2b49afb86c768813c087e46b4b:/avr/main.c

diff --git a/avr/main.c b/avr/main.c
index b8ce26d..486d992 100644
--- a/avr/main.c
+++ b/avr/main.c
@@ -1,7 +1,7 @@
 /*
  * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
  *
- * SPDX-License-Identifier:	GPL-2.0+
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 
@@ -9,7 +9,6 @@
 #include <avr/interrupt.h>
 #include <avr/wdt.h>
 #include <stdlib.h>
-#include <stdio.h>
 
 #include "config.h"
 #include "ff.h"
@@ -25,6 +24,8 @@
 #include "time.h"
 #include "rtc.h"
 #include "debug.h"
+#include "cmd_fat.h"
+
 
 uint8_t mcusr __attribute__ ((section (".noinit")));
 
@@ -32,7 +33,7 @@ uint8_t mcusr __attribute__ ((section (".noinit")));
 __attribute__ ((naked)) __attribute__ ((section (".init3")))
 void preset_ram (void)
 {
-	for (uint8_t *p = RAMSTART; p <= (uint8_t *) RAMEND; p++)
+	for (uint8_t *p = (uint8_t *) RAMSTART; p <= (uint8_t *) RAMEND; p++)
 		*p = 0xdd;
 
 }
@@ -66,15 +67,17 @@ void print_reset_reason(void)
 	uint8_t r = mcusr & 0x1f;
 	const FLASH char * const FLASH *p = rreasons;
 
-	printf_P(PSTR("### Reset reason(s): %s"), r ? "" : "none");
+	my_puts_P(PSTR("### Reset reason(s): "));
+	if (r == 0)
+		my_puts_P(PSTR("none"));
 	for ( ; r; p++, r >>= 1) {
 		if (r & 1) {
 			my_puts_P(*p);
 			if (r & ~1)
-				printf_P(PSTR(", "));
+				my_puts_P(PSTR(", "));
 		}
 	}
-	printf_P(PSTR(".\n"));
+	my_puts_P(PSTR(".\n"));
 }
 
 #endif
@@ -82,6 +85,7 @@ void print_reset_reason(void)
 ISR(INT5_vect)
 {
 	Stat |= S_MSG_PENDING;
+	Stat |= S_IO_0X40;
 }
 
 ISR(INT6_vect)
@@ -107,7 +111,7 @@ void setup_avr(void)
 		_BV(PRUSART3) | _BV(PRUSART2) | _BV(PRUSART1);
 
 
-	/* disable analog comparator */
+	/* Disable analog comparator */
 	ACSR = _BV(ACD);
 	/* Ports */
 
@@ -115,11 +119,8 @@ void setup_avr(void)
 	CLKPR = _BV(CLKPCE);
 	CLKPR = 0;
 
-	/* Timer */
-	PRR1 &= ~_BV(PRTIM3);
-	OCR3A = F_CPU / 1000 - 1;	/* Timer3: 1000Hz interval (OC3A) */
-	TCCR3B = (0b01<<WGM32)|(0b001<<CS30); /* CTC Mode, Prescaler 1 */
-	TIMSK3 = _BV(OCIE3A);		/* Enable TC2.oca interrupt */
+	/* System timer */
+	setup_timer();
 
 	/* INT5, INT6: falling edge */
 	EICRB = (EICRB & ~((0b11 << ISC50) | (0b11 << ISC60))) |
@@ -147,16 +148,6 @@ void setup_system_time(void)
 }
 
 
-
-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() */
@@ -224,7 +215,7 @@ const char *bootdelay_process(void)
 	debug("### main_loop entered: bootdelay=%d\n\n", bootdelay);
 	_delay_ms(20);
 
-	s = getenv(PSTR(ENV_BOOTCMD));
+	s = getenv_str(PSTR(ENV_BOOTCMD));
 	stored_bootdelay = bootdelay;
 	return s;
 }
@@ -232,7 +223,7 @@ const char *bootdelay_process(void)
 static
 void autoboot_command(const char *s)
 {
-	debug("### main_loop: bootcmd=\"%s\"\n", s ? s : PSTR("<UNDEFINED>"));
+	debug("### main_loop: bootcmd=\"%s\"\n", s ? s : "");
 	_delay_ms(20);
 
 	if (stored_bootdelay != -1 && s && !abortboot(stored_bootdelay)) {
@@ -255,12 +246,13 @@ int main(void)
 {
 	extern void setup_mmc(void);
 
+	__malloc_margin = CONFIG_SYS_MALLOC_MARGIN;
+	setup_avr();
 	for (int i = 0; i < GPIO_MAX; i++)
 		gpio_config(i, INPUT_PULLUP);
-	setup_avr();
 	setup_mmc();
-	z80_setup_bus();
 	env_init();
+	z80_setup_bus();
 
 	if (reset_reason_is_power_on())
 		_delay_ms(CONFIG_PWRON_DELAY);
@@ -277,7 +269,7 @@ int main(void)
 	setup_system_time();
 	setup_fatfs();
 
-	printf_P(PSTR("\n" MCU_STRING "+Z8S180 Stamp Monitor\n\n"));
+	printf_P(PSTR("\n" MCU_STRING "+Z8S180 Stamp Monitor - Version: " VERSION  " \n\n"));
 
 	setup_z180_serv();