From cd7691de2261e84d3ee72ec3d585ab66680d04e2 Mon Sep 17 00:00:00 2001 From: Björn Stenberg Date: Tue, 13 Aug 2002 17:16:09 +0000 Subject: Enabled saving settings to disk on player git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1717 a1c6a512-1295-4272-9138-f99709370657 --- apps/main.c | 1 + apps/main_menu.c | 6 ++ apps/settings.c | 181 ++++++++++++++++++++++-------------------------------- apps/settings.h | 5 +- apps/sound_menu.c | 1 - 5 files changed, 85 insertions(+), 109 deletions(-) (limited to 'apps') diff --git a/apps/main.c b/apps/main.c index 307dd71e3d..39609e6a26 100644 --- a/apps/main.c +++ b/apps/main.c @@ -75,6 +75,7 @@ void init(void) lcd_init(); show_logo(); settings_reset(); + settings_load(); sleep(HZ/2); } diff --git a/apps/main_menu.c b/apps/main_menu.c index bf38e091ca..756f34a818 100644 --- a/apps/main_menu.c +++ b/apps/main_menu.c @@ -209,4 +209,10 @@ void main_menu(void) lcd_icon(ICON_PARAM, false); #endif menu_exit(m); + + lcd_clear_display(); + lcd_puts(0,0,"Saving"); + lcd_puts(0,1,"settings..."); + lcd_update(); + settings_save(); } diff --git a/apps/settings.c b/apps/settings.c index e285d266d5..7ca5715674 100644 --- a/apps/settings.c +++ b/apps/settings.c @@ -30,12 +30,18 @@ #include "mpeg.h" #include "string.h" #include "ata.h" +#include "fat.h" #include "power.h" #include "backlight.h" #include "powermgmt.h" struct user_settings global_settings; +static unsigned short last_checksum = 0; + +#define CONFIG_BLOCK_VERSION 0 +#define CONFIG_BLOCK_SIZE 44 + /******************************************** Config block as saved on the battery-packed RTC user RAM memory block @@ -78,25 +84,24 @@ modified unless the header & checksum test fails. *************************************/ #include "rtc.h" -static unsigned char rtc_config_block[44]; +static unsigned char rtc_config_block[CONFIG_BLOCK_SIZE]; /* * Calculates the checksum for the config block and places it in the given 2-byte buffer */ -static void calculate_config_checksum(unsigned char *cksum) +static unsigned short calculate_config_checksum(void) { - unsigned char *p; + unsigned int i; + unsigned char cksum[2]; cksum[0] = cksum[1] = 0; - for (p = rtc_config_block; - p < rtc_config_block + sizeof(rtc_config_block) - 2; - p++) - { - cksum[0] = cksum[0] ^ *p; - p++; - cksum[1] = cksum[1] ^ *p; + for (i=0; i < CONFIG_BLOCK_SIZE - 2; i+=2 ) { + cksum[0] ^= rtc_config_block[i]; + cksum[1] ^= rtc_config_block[i+1]; } + + return (cksum[0] << 8) | cksum[1]; } /* @@ -107,141 +112,107 @@ static void init_config_buffer( void ) DEBUGF( "init_config_buffer()\n" ); /* reset to 0xff - all unused */ - memset(rtc_config_block, 0xff, sizeof(rtc_config_block)); + memset(rtc_config_block, 0xff, CONFIG_BLOCK_SIZE); /* insert header */ rtc_config_block[0] = 'R'; rtc_config_block[1] = 'o'; rtc_config_block[2] = 'c'; - rtc_config_block[3] = 0x1; /* config block version number */ + rtc_config_block[3] = CONFIG_BLOCK_VERSION; } -#ifdef HAVE_RTC /* - * save the config block buffer on the RTC RAM + * save the config block buffer to disk or RTC RAM */ static int save_config_buffer( void ) { - unsigned char addr = 0x14; - int r; - unsigned char *p; - + unsigned short chksum; + +#ifdef HAVE_RTC + unsigned int i; + int addr=0x14; +#endif + DEBUGF( "save_config_buffer()\n" ); /* update the checksum in the end of the block before saving */ - calculate_config_checksum(rtc_config_block + sizeof(rtc_config_block) - 2); - + chksum = calculate_config_checksum(); + rtc_config_block[ CONFIG_BLOCK_SIZE - 2 ] = chksum >> 8; + rtc_config_block[ CONFIG_BLOCK_SIZE - 1 ] = chksum & 0xff; + + /* don't save if no changes were made */ + if ( chksum == last_checksum ) + return 0; + +#ifdef HAVE_RTC /* FIXME: okay, it _would_ be cleaner and faster to implement rtc_write so that it would write a number of bytes at a time since the RTC chip supports that, but this will have to do for now 8-) */ - for (p = rtc_config_block; - p < rtc_config_block + sizeof(rtc_config_block); - p++) - { - r = rtc_write(addr, *p); + for (i=0; i < CONFIG_BLOCK_SIZE; i++ ) { + int r = rtc_write(14, rtc_config_block[i]); if (r) { - DEBUGF( "save_config_buffer: rtc_write failed at addr 0x%02x: %d\n", addr, r ); + DEBUGF( "save_config_buffer: rtc_write failed at addr 0x%02x: %d\n", 14, r ); return r; } addr++; } - + +#else + + if(battery_level_safe() && (fat_startsector()!=0)) + return !ata_write_sectors( 61, 1, rtc_config_block); + else + return -1; + +#endif + return 0; } /* - * load the config block buffer from the RTC RAM + * load the config block buffer from disk or RTC RAM */ static int load_config_buffer( void ) { + unsigned short chksum; + +#ifdef HAVE_RTC unsigned char addr = 0x14; - unsigned char cksum[2]; - unsigned char *p; + unsigned int i; +#endif DEBUGF( "load_config_buffer()\n" ); - + +#ifdef HAVE_RTC /* FIXME: the same comment applies here as for rtc_write */ - for (p = rtc_config_block; - p < rtc_config_block + sizeof(rtc_config_block); - p++) - { - *p = rtc_read(addr); + for (i=0; i < CONFIG_BLOCK_SIZE; i++ ) { + rtc_config_block[i] = rtc_read(addr); addr++; } - - /* calculate the checksum, check it and the header */ - calculate_config_checksum(cksum); - - if (rtc_config_block[0x0] == 'R' - && rtc_config_block[0x1] == 'o' - && rtc_config_block[0x2] == 'c' - && rtc_config_block[0x3] == 0x0 - && cksum[0] == rtc_config_block[0x2a] - && cksum[1] == rtc_config_block[0x2b]) { - DEBUGF( "load_config_buffer: header & checksum test ok\n" ); - return 0; /* header and checksum is valid */ - } - - /* if checksum is not valid, initialize the config buffer to all-unused */ - DEBUGF( "load_config_buffer: header & checksum test failed\n" ); - init_config_buffer(); - return 1; -} - -#else /* HAVE_RTC */ -/* - * save the config block buffer on the 61 Sector - */ -static int save_config_buffer( void ) -{ - DEBUGF( "save_config_buffer()\n" ); - - /* update the checksum in the end of the block before saving */ - calculate_config_checksum(rtc_config_block + sizeof(rtc_config_block) - 2); -#ifdef SAVE_TO_DISK - if(battery_level_safe() && (fat_firstsector()!=0)) - return !ata_write_sectors( 61, 1, rtc_config_block); - else - return -1; #else - return 0; + ata_read_sectors( 61, 1, rtc_config_block); #endif -} - -/* - * load the config block buffer from disk - */ -static int load_config_buffer( void ) -{ -#ifdef SAVE_TO_DISK - unsigned char cksum[2]; - - DEBUGF( "load_config_buffer()\n" ); - ata_read_sectors( 61, 1, rtc_config_block); - /* calculate the checksum, check it and the header */ - calculate_config_checksum(cksum); + chksum = calculate_config_checksum(); + + if (rtc_config_block[0] == 'R' && + rtc_config_block[1] == 'o' && + rtc_config_block[2] == 'c' && + rtc_config_block[3] == CONFIG_BLOCK_VERSION && + (chksum >> 8) == rtc_config_block[CONFIG_BLOCK_SIZE - 2] && + (chksum & 0xff) == rtc_config_block[CONFIG_BLOCK_SIZE - 1]) + { + DEBUGF( "load_config_buffer: header & checksum test ok\n" ); + last_checksum = chksum; + return 0; /* header and checksum is valid */ + } - if (rtc_config_block[0x0] == 'R' - && rtc_config_block[0x1] == 'o' - && rtc_config_block[0x2] == 'c' - && rtc_config_block[0x3] == 0x0 - && cksum[0] == rtc_config_block[0x2a] - && cksum[1] == rtc_config_block[0x2b]) { - DEBUGF( "load_config_buffer: header & checksum test ok\n" ); - return 0; /* header and checksum is valid */ - } -#endif /* if checksum is not valid, initialize the config buffer to all-unused */ DEBUGF( "load_config_buffer: header & checksum test failed\n" ); init_config_buffer(); return 1; } - -#endif /* HAVE_RTC */ - - /* * persist all runtime user settings to disk or RTC RAM */ @@ -276,8 +247,6 @@ int settings_save( void ) rtc_config_block[0x11] = (unsigned char)global_settings.avc; - rtc_config_block[0x12] = (unsigned char)global_settings.contrast; - memcpy(&rtc_config_block[0x24], &global_settings.total_uptime, 4); if(save_config_buffer()) @@ -325,8 +294,11 @@ void settings_load(void) if (rtc_config_block[0x9] != 0xFF) global_settings.bass_boost = rtc_config_block[0x9]; - if (rtc_config_block[0xa] != 0xFF) + if (rtc_config_block[0xa] != 0xFF) { global_settings.contrast = rtc_config_block[0xa]; + if ( global_settings.contrast < MIN_CONTRAST_SETTING ) + global_settings.contrast < DEFAULT_CONTRAST_SETTING; + } if (rtc_config_block[0xb] != 0xFF) global_settings.backlight = rtc_config_block[0xb]; if (rtc_config_block[0xc] != 0xFF) @@ -352,9 +324,6 @@ void settings_load(void) if (rtc_config_block[0x11] != 0xFF) global_settings.avc = rtc_config_block[0x11]; - if (rtc_config_block[0x12] != 0xff) - global_settings.contrast = rtc_config_block[0x12]; - if (rtc_config_block[0x24] != 0xFF) memcpy(&global_settings.total_uptime, &rtc_config_block[0x24], 4); } diff --git a/apps/settings.h b/apps/settings.h index 158a3abc0d..6175ef942d 100644 --- a/apps/settings.h +++ b/apps/settings.h @@ -102,12 +102,13 @@ extern struct user_settings global_settings; #define DEFAULT_BASS_BOOST_SETTING 0 #define DEFAULT_AVC_SETTING 0 #ifdef HAVE_LCD_CHARCELLS -#define MAX_CONTRAST_SETTING 31 +#define MAX_CONTRAST_SETTING 31 #define DEFAULT_CONTRAST_SETTING 30 #else -#define MAX_CONTRAST_SETTING 63 +#define MAX_CONTRAST_SETTING 63 #define DEFAULT_CONTRAST_SETTING 32 #endif +#define MIN_CONTRAST_SETTING 5 #define DEFAULT_POWEROFF_SETTING 0 #define DEFAULT_BACKLIGHT_SETTING 5 #define DEFAULT_WPS_DISPLAY 0 diff --git a/apps/sound_menu.c b/apps/sound_menu.c index 5448a33e3e..70ecb8708d 100644 --- a/apps/sound_menu.c +++ b/apps/sound_menu.c @@ -160,5 +160,4 @@ void sound_menu(void) m=menu_init( items, sizeof items / sizeof(struct menu_items) ); menu_run(m); menu_exit(m); - settings_save(); } -- cgit v1.2.3