From a25276d633692b03d4d5e4fc39056e09aa427118 Mon Sep 17 00:00:00 2001
From: Jens Ahrensfeld <jens@jayfield.org>
Date: Fri, 29 Mar 2019 23:53:37 +0000
Subject: [PATCH] - make bootloader silent if not selected

git-svn-id: http://moon:8086/svn/projects/HendiControl@156 fda53097-d464-4ada-af97-ba876c37ca34
---
 Control/firmware/Bootloader/Bootloader/main.c | 32 ++++++++++++++-----
 1 file changed, 24 insertions(+), 8 deletions(-)

diff --git a/Control/firmware/Bootloader/Bootloader/main.c b/Control/firmware/Bootloader/Bootloader/main.c
index 5804d59..f20ccd4 100644
--- a/Control/firmware/Bootloader/Bootloader/main.c
+++ b/Control/firmware/Bootloader/Bootloader/main.c
@@ -58,14 +58,30 @@ void init_page(uint8_t *pPageBuffer, size_t size)
 	}
 }
 
-int port_init()
+void port_init()
 {
 	DDRB = 0x00;
 	DDRD = 0x40;
-	PORTD = 0x00;
+	PORTD = 0x40;
+}
+
+int is_bsel()
+{
 	return  ((PINB & 1) == 0);
 }
 
+void led_bsel(int enable)
+{
+	if (enable)
+	{
+		PORTD = 0x00;
+	}
+	else
+	{
+		PORTD = 0x40;
+	}
+}
+
 int main(void)
 {
 	uint8_t page_buffer[SPM_PAGESIZE];
@@ -73,15 +89,15 @@ int main(void)
 	State state = StateIdle;
 	State state_next;
 	srec_t srec;	
+	port_init();
+
 	cli();
-
-	uart_init(9600);
-	uart_puts("Hendi-Control Bootloader v1.1\n");
-
-	int bsel = port_init();
-	if (bsel)
+	if (is_bsel())
 	{
 		bootloader_enter();
+		led_bsel(1);
+		uart_init(9600);
+		uart_puts("Hendi-Control Bootloader v1.2\n");
 		size_t image_size = 0;
 		uint16_t page_addr = 0xFFFF;
 		size_t hex_buffer_size = 0;