From 9fdc27626097ae03b767a09427efc90475d90955 Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Mon, 27 Nov 2017 23:08:21 -0500 Subject: Updates bootloader settings, adds file size check (#2029) * pull fuse settings for bootloader jump * fix 32a chips * make automatic bootloader selection optional * quantify bootloaders * fixs #164, speeds up dfu reset * fix for chips w/o usb * missing an n * fix bootloader sizes, use words for addresses * fix bmini, pearl, and [[ issue, make things quiet * ignore avr errors on arm for now * update settings for the light * document bootloader stuff * add bootloader title --- tmk_core/common/avr/bootloader.c | 196 ++++++++++++++++++---------------- tmk_core/common/avr/bootloader_size.c | 20 ++++ 2 files changed, 125 insertions(+), 91 deletions(-) create mode 100644 tmk_core/common/avr/bootloader_size.c (limited to 'tmk_core/common/avr') diff --git a/tmk_core/common/avr/bootloader.c b/tmk_core/common/avr/bootloader.c index 34db8d0b0a..ee150817c3 100644 --- a/tmk_core/common/avr/bootloader.c +++ b/tmk_core/common/avr/bootloader.c @@ -6,6 +6,7 @@ #include #include #include "bootloader.h" +#include #ifdef PROTOCOL_LUFA #include @@ -56,14 +57,17 @@ * | Bootloader | 512B | Bootloader | 1KB * 0x7FFF +---------------+ 0x1FFFF +---------------+ */ -#ifndef BOOTLOADER_SIZE -#warning To use bootloader_jump() you need to define BOOTLOADER_SIZE in config.h. -#define BOOTLOADER_SIZE 4096 -#endif -#define FLASH_SIZE (FLASHEND + 1L) -#define BOOTLOADER_START (FLASH_SIZE - BOOTLOADER_SIZE) +#define FLASH_SIZE (FLASHEND + 1L) + +#if !defined(BOOTLOADER_SIZE) + uint16_t bootloader_start; +#endif +#define BOOT_SIZE_256 0b110 +#define BOOT_SIZE_512 0b100 +#define BOOT_SIZE_1024 0b010 +#define BOOT_SIZE_2048 0b000 /* * Entering the Bootloader via Software @@ -74,34 +78,62 @@ uint32_t reset_key __attribute__ ((section (".noinit"))); /* initialize MCU status by watchdog reset */ void bootloader_jump(void) { - #ifndef CATERINA_BOOTLOADER - - #ifdef PROTOCOL_LUFA - USB_Disable(); - cli(); - _delay_ms(2000); - #endif - - #ifdef PROTOCOL_PJRC - cli(); - UDCON = 1; - USBCON = (1<> 1; + } else if (high_fuse & BOOT_SIZE_512) { + bootloader_start = (FLASH_SIZE - 1024) >> 1; + } else if (high_fuse & BOOT_SIZE_1024) { + bootloader_start = (FLASH_SIZE - 2048) >> 1; + } else { + bootloader_start = (FLASH_SIZE - 4096) >> 1; + } + #endif - #else + // Something like this might work, but it compiled larger than the block above + // bootloader_start = FLASH_SIZE - (256 << (~high_fuse & 0b110 >> 1)); + + + #if defined(BOOTLOADER_HALFKAY) + // http://www.pjrc.com/teensy/jump_to_bootloader.html + cli(); + // disable watchdog, if enabled (it's not) + // disable all peripherals + // a shutdown call might make sense here + UDCON = 1; + USBCON = (1<> 1))(); + #else + asm("ijmp" :: "z" (bootloader_start)); + #endif + } + #endif } #if 0 -/* Jumping To The Bootloader - * http://www.pjrc.com/teensy/jump_to_bootloader.html - * - * This method doen't work when using LUFA. idk why. - * - needs to initialize more regisers or interrupt setting? - */ -void bootloader_jump(void) { -#ifdef PROTOCOL_LUFA - USB_Disable(); - cli(); - _delay_ms(2000); -#endif - -#ifdef PROTOCOL_PJRC - cli(); - UDCON = 1; - USBCON = (1<. + +#include +#include + +// this is not valid C - it's for computing the size available on the chip +AVR_SIZE: FLASHEND + 1 - BOOTLOADER_SIZE \ No newline at end of file -- cgit v1.2.3