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Diffstat (limited to 'software/pic.bootloader/bootloader-IDM.asm')
| -rw-r--r-- | software/pic.bootloader/bootloader-IDM.asm | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/software/pic.bootloader/bootloader-IDM.asm b/software/pic.bootloader/bootloader-IDM.asm new file mode 100644 index 0000000..f0a4316 --- /dev/null +++ b/software/pic.bootloader/bootloader-IDM.asm @@ -0,0 +1,114 @@ + ;; + ;; spreadspace pic utils + ;; + ;; + ;; Copyright (C) 2011-2013 Christian Pointner <equinox@spreadspace.org> + ;; + ;; This file is part of spreadspace pic utils. + ;; + ;; spreadspace pic utils is free software: you can redistribute it and/or modify + ;; it under the terms of the GNU General Public License as published by + ;; the Free Software Foundation, either version 3 of the License, or + ;; any later version. + ;; + ;; spreadspace pic utils is distributed in the hope that it will be useful, + ;; but WITHOUT ANY WARRANTY; without even the implied warranty of + ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + ;; GNU General Public License for more details. + ;; + ;; You should have received a copy of the GNU General Public License + ;; along with spreadspace pic utils. If not, see <http://www.gnu.org/licenses/>. + ;; + ;; ------------------------------------- + ;; PREAMBLE + + LIST p=16F1847 + include "p16f1847.inc" + __config _CONFIG1, _FOSC_INTOSC & _WDTE_OFF & _PWRTE_OFF & _MCLRE_ON & _CP_OFF & _CPD_OFF & _BOREN_OFF & _CLKOUTEN_OFF & _IESO_OFF & _FCMEN_OFF + __config _CONFIG2, _WRT_BOOT & _PLLEN_OFF & _STVREN_OFF & _BORV_LO & _LVP_OFF + + ;; ------------------------------------- + ;; DEFINES (chip/com specific) +#define INTPIN PORTB,3 +USERVECT EQU H'200' +ISRVECT EQU USERVECT + H'4' +FLASH_BOUNDARY EQU b'00011111' ; flash write boundary is at 32 bytes boundaries +CONFIG_OFFSET EQU H'07' + +VERSION_MAJ EQU .0 +VERSION_MIN EQU .1 +NAME_0 EQU 'I' +NAME_1 EQU 'D' +NAME_2 EQU 'M' +DEVID_L EQU H'82' +DEVID_H EQU H'14' +FLASH_SIZE_L EQU H'00' +FLASH_SIZE_H EQU H'20' ; 0x2000 -> 8192 Words of Flash +FSS EQU .32 ; there 32 write latches +EEPROM_SIZE_L EQU H'00' +EEPROM_SIZE_H EQU H'01' ; 0x0100 -> 256 Bytes of EEPROM +MESS EQU .64 ; this limit is because of to combuff size and single byte len field for messages +CFG EQU .2 +SUPPORTED_H EQU .0 +SUPPORTED_L EQU b'00100111' ; only reset, read/write flash and read config is supported by now + +#define HOOK_CMD_RESET cmd_reset +#define HOOK_CMD_R_FLASH cmd_r_flash +#define HOOK_CMD_W_FLASH cmd_w_flash +#define HOOK_CMD_R_EEPROM cmd_not_impl +#define HOOK_CMD_W_EEPROM cmd_not_impl +#define HOOK_CMD_R_CONFIG cmd_r_config +#define HOOK_CMD_W_CONFIG cmd_not_impl + + ;; Variables +combuff EQU H'0020' +current_cmdlen EQU H'0070' +csum EQU H'0071' +flags EQU H'007D' +cnt EQU H'007F' + + ;; Boot Macro +bootmacro macro + goto preinit + endm + + ;; for compatibility with older MCUs +#define FSR FSR0L +#define INDF INDF0 + + ;; ------------------------------------- + ;; DEFINES (defines) +#include "generic-defines.inc" + + ;; ------------------------------------- + ;; Bootloader init +#include "generic-init.inc" + +preinit + movlb .3 + bcf ANSELB,ANSB5 ; use this for com-spi + movlb .0 + btfsc PORTB,5 ; use this for com-spi + goto USERVECT + goto com_init + ;; ------------------------------------- + ;; Bootloader (com specific subroutines and init) +#include "com-16f1847-spi.inc" + + ;; ------------------------------------- + ;; Bootloader (generic init/body) +#include "generic-mainloop.inc" + + ;; ------------------------------------- + ;; chip specific commands +#include "cmds-16f1847.inc" + + ;; ------------------------------------- + ;; ------------------------------------- + ;; dummy user code + org USERVECT + goto USERVECT + + ;; ------------------------------------- + ;; END + end |