Nitin Shukla / LED_Demo

nkjnm

Dependencies:   MAX44000 nexpaq_mdk

Fork of LED_Demo by Maxim nexpaq

mbd_os/tools/add_fib.py@7:3a65ef12ba31, 2016-11-04 (annotated)

Committer:
nitsshukla
Date:
Fri Nov 04 12:06:04 2016 +0000
Revision:
7:3a65ef12ba31
Parent:
1:55a6170b404f 
kghj;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 """
nexpaq 1:55a6170b404f 2 @copyright (c) 2012 ON Semiconductor. All rights reserved.
nexpaq 1:55a6170b404f 3 ON Semiconductor is supplying this software for use with ON Semiconductor
nexpaq 1:55a6170b404f 4 processor based microcontrollers only.
nexpaq 1:55a6170b404f 5 THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
nexpaq 1:55a6170b404f 6 OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
nexpaq 1:55a6170b404f 7 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
nexpaq 1:55a6170b404f 8 ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,
nexpaq 1:55a6170b404f 9 INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
nexpaq 1:55a6170b404f 10 """
nexpaq 1:55a6170b404f 11
nexpaq 1:55a6170b404f 12 from __future__ import absolute_import
nexpaq 1:55a6170b404f 13 from __future__ import print_function
nexpaq 1:55a6170b404f 14
nexpaq 1:55a6170b404f 15 import itertools
nexpaq 1:55a6170b404f 16 import binascii
nexpaq 1:55a6170b404f 17 import intelhex
nexpaq 1:55a6170b404f 18
nexpaq 1:55a6170b404f 19 FIB_BASE = 0x2000
nexpaq 1:55a6170b404f 20 FLASH_BASE = 0x3000
nexpaq 1:55a6170b404f 21 FW_REV = 0x01000100
nexpaq 1:55a6170b404f 22 def ranges(i):
nexpaq 1:55a6170b404f 23 for _, b in itertools.groupby(enumerate(i), lambda x_y: x_y[1] - x_y[0]):
nexpaq 1:55a6170b404f 24 b = list(b)
nexpaq 1:55a6170b404f 25 yield b[0][1], b[-1][1]
nexpaq 1:55a6170b404f 26
nexpaq 1:55a6170b404f 27
nexpaq 1:55a6170b404f 28 def add_fib_at_start(arginput):
nexpaq 1:55a6170b404f 29 input_file = arginput + ".bin"
nexpaq 1:55a6170b404f 30 file_name_hex = arginput + "_fib.hex"
nexpaq 1:55a6170b404f 31 file_name_bin = arginput + ".bin"
nexpaq 1:55a6170b404f 32
nexpaq 1:55a6170b404f 33 # Read in hex file
nexpaq 1:55a6170b404f 34 input_hex_file = intelhex.IntelHex()
nexpaq 1:55a6170b404f 35 input_hex_file.padding = 0x00
nexpaq 1:55a6170b404f 36 input_hex_file.loadbin(input_file, offset=FLASH_BASE)
nexpaq 1:55a6170b404f 37
nexpaq 1:55a6170b404f 38 output_hex_file = intelhex.IntelHex()
nexpaq 1:55a6170b404f 39 output_hex_file.padding = 0x00
nexpaq 1:55a6170b404f 40
nexpaq 1:55a6170b404f 41 # Get the starting and ending address
nexpaq 1:55a6170b404f 42 addresses = input_hex_file.addresses()
nexpaq 1:55a6170b404f 43 addresses.sort()
nexpaq 1:55a6170b404f 44 start_end_pairs = list(ranges(addresses))
nexpaq 1:55a6170b404f 45 regions = len(start_end_pairs)
nexpaq 1:55a6170b404f 46
nexpaq 1:55a6170b404f 47 if regions == 1:
nexpaq 1:55a6170b404f 48 start, end = start_end_pairs[0]
nexpaq 1:55a6170b404f 49 else:
nexpaq 1:55a6170b404f 50 start = min(min(start_end_pairs))
nexpaq 1:55a6170b404f 51 end = max(max(start_end_pairs))
nexpaq 1:55a6170b404f 52
nexpaq 1:55a6170b404f 53 assert start >= FLASH_BASE, ("Error - start 0x%x less than begining of user\
nexpaq 1:55a6170b404f 54 flash area" %start)
nexpaq 1:55a6170b404f 55 # Compute checksum over the range (don't include data at location of crc)
nexpaq 1:55a6170b404f 56 size = end - start + 1
nexpaq 1:55a6170b404f 57 data = input_hex_file.tobinarray(start=start, size=size)
nexpaq 1:55a6170b404f 58 crc32 = binascii.crc32(data) & 0xFFFFFFFF
nexpaq 1:55a6170b404f 59
nexpaq 1:55a6170b404f 60 fw_rev = FW_REV
nexpaq 1:55a6170b404f 61
nexpaq 1:55a6170b404f 62 checksum = (start + size + crc32 + fw_rev) & 0xFFFFFFFF
nexpaq 1:55a6170b404f 63
nexpaq 1:55a6170b404f 64 print("Writing FIB: base 0x%08X, size 0x%08X, crc32 0x%08X, fw rev 0x%08X,\
nexpaq 1:55a6170b404f 65 checksum 0x%08X" % (start, size, crc32, fw_rev, checksum))
nexpaq 1:55a6170b404f 66
nexpaq 1:55a6170b404f 67 #expected initial values used by daplink to validate that it is a valid bin
nexpaq 1:55a6170b404f 68 #file added as dummy values in this file because the fib area preceeds the
nexpaq 1:55a6170b404f 69 #application area the bootloader will ignore these dummy values
nexpaq 1:55a6170b404f 70 # 00 is stack pointer (RAM address)
nexpaq 1:55a6170b404f 71 # 04 is Reset vector (FLASH address)
nexpaq 1:55a6170b404f 72 # 08 NMI_Handler (FLASH address)
nexpaq 1:55a6170b404f 73 # 0C HardFault_Handler(FLASH address)
nexpaq 1:55a6170b404f 74 # 10 dummy
nexpaq 1:55a6170b404f 75 dummy_sp = 0x3FFFFC00
nexpaq 1:55a6170b404f 76 dummy_reset_vector = 0x00003625
nexpaq 1:55a6170b404f 77 dummy_nmi_handler = 0x00003761
nexpaq 1:55a6170b404f 78 dummy_hardfault_handler = 0x00003691
nexpaq 1:55a6170b404f 79 dummy_blank = 0x00000000
nexpaq 1:55a6170b404f 80
nexpaq 1:55a6170b404f 81 #expected fib structure
nexpaq 1:55a6170b404f 82 #typedef struct fib{
nexpaq 1:55a6170b404f 83 #uint32_t base; /**< Base offset of firmware, indicating what flash the
nexpaq 1:55a6170b404f 84 # firmware is in. (will never be 0x11111111) */
nexpaq 1:55a6170b404f 85 #uint32_t size; /**< Size of the firmware */
nexpaq 1:55a6170b404f 86 #uint32_t crc; /**< CRC32 for firmware correctness check */
nexpaq 1:55a6170b404f 87 #uint32_t rev; /**< Revision number */
nexpaq 1:55a6170b404f 88 #uint32_t checksum; /**< Check-sum of information block */
nexpaq 1:55a6170b404f 89 #}fib_t, *fib_pt;
nexpaq 1:55a6170b404f 90
nexpaq 1:55a6170b404f 91 fib_start = FIB_BASE
nexpaq 1:55a6170b404f 92 dummy_fib_size = 20
nexpaq 1:55a6170b404f 93 fib_size = 20
nexpaq 1:55a6170b404f 94 user_code_start = FLASH_BASE
nexpaq 1:55a6170b404f 95
nexpaq 1:55a6170b404f 96 # Write FIB to the file in little endian
nexpaq 1:55a6170b404f 97 output_hex_file[fib_start + 0] = (dummy_sp >> 0) & 0xFF
nexpaq 1:55a6170b404f 98 output_hex_file[fib_start + 1] = (dummy_sp >> 8) & 0xFF
nexpaq 1:55a6170b404f 99 output_hex_file[fib_start + 2] = (dummy_sp >> 16) & 0xFF
nexpaq 1:55a6170b404f 100 output_hex_file[fib_start + 3] = (dummy_sp >> 24) & 0xFF
nexpaq 1:55a6170b404f 101
nexpaq 1:55a6170b404f 102 output_hex_file[fib_start + 4] = (dummy_reset_vector >> 0) & 0xFF
nexpaq 1:55a6170b404f 103 output_hex_file[fib_start + 5] = (dummy_reset_vector >> 8) & 0xFF
nexpaq 1:55a6170b404f 104 output_hex_file[fib_start + 6] = (dummy_reset_vector >> 16) & 0xFF
nexpaq 1:55a6170b404f 105 output_hex_file[fib_start + 7] = (dummy_reset_vector >> 24) & 0xFF
nexpaq 1:55a6170b404f 106
nexpaq 1:55a6170b404f 107 output_hex_file[fib_start + 8] = (dummy_nmi_handler >> 0) & 0xFF
nexpaq 1:55a6170b404f 108 output_hex_file[fib_start + 9] = (dummy_nmi_handler >> 8) & 0xFF
nexpaq 1:55a6170b404f 109 output_hex_file[fib_start + 10] = (dummy_nmi_handler >> 16) & 0xFF
nexpaq 1:55a6170b404f 110 output_hex_file[fib_start + 11] = (dummy_nmi_handler >> 24) & 0xFF
nexpaq 1:55a6170b404f 111
nexpaq 1:55a6170b404f 112 output_hex_file[fib_start + 12] = (dummy_hardfault_handler >> 0) & 0xFF
nexpaq 1:55a6170b404f 113 output_hex_file[fib_start + 13] = (dummy_hardfault_handler >> 8) & 0xFF
nexpaq 1:55a6170b404f 114 output_hex_file[fib_start + 14] = (dummy_hardfault_handler >> 16) & 0xFF
nexpaq 1:55a6170b404f 115 output_hex_file[fib_start + 15] = (dummy_hardfault_handler >> 24) & 0xFF
nexpaq 1:55a6170b404f 116
nexpaq 1:55a6170b404f 117 output_hex_file[fib_start + 16] = (dummy_blank >> 0) & 0xFF
nexpaq 1:55a6170b404f 118 output_hex_file[fib_start + 17] = (dummy_blank >> 8) & 0xFF
nexpaq 1:55a6170b404f 119 output_hex_file[fib_start + 18] = (dummy_blank >> 16) & 0xFF
nexpaq 1:55a6170b404f 120 output_hex_file[fib_start + 19] = (dummy_blank >> 24) & 0xFF
nexpaq 1:55a6170b404f 121
nexpaq 1:55a6170b404f 122 # Write FIB to the file in little endian
nexpaq 1:55a6170b404f 123 output_hex_file[fib_start + 20] = (start >> 0) & 0xFF
nexpaq 1:55a6170b404f 124 output_hex_file[fib_start + 21] = (start >> 8) & 0xFF
nexpaq 1:55a6170b404f 125 output_hex_file[fib_start + 22] = (start >> 16) & 0xFF
nexpaq 1:55a6170b404f 126 output_hex_file[fib_start + 23] = (start >> 24) & 0xFF
nexpaq 1:55a6170b404f 127
nexpaq 1:55a6170b404f 128 output_hex_file[fib_start + 24] = (size >> 0) & 0xFF
nexpaq 1:55a6170b404f 129 output_hex_file[fib_start + 25] = (size >> 8) & 0xFF
nexpaq 1:55a6170b404f 130 output_hex_file[fib_start + 26] = (size >> 16) & 0xFF
nexpaq 1:55a6170b404f 131 output_hex_file[fib_start + 27] = (size >> 24) & 0xFF
nexpaq 1:55a6170b404f 132
nexpaq 1:55a6170b404f 133 output_hex_file[fib_start + 28] = (crc32 >> 0) & 0xFF
nexpaq 1:55a6170b404f 134 output_hex_file[fib_start + 29] = (crc32 >> 8) & 0xFF
nexpaq 1:55a6170b404f 135 output_hex_file[fib_start + 30] = (crc32 >> 16) & 0xFF
nexpaq 1:55a6170b404f 136 output_hex_file[fib_start + 31] = (crc32 >> 24) & 0xFF
nexpaq 1:55a6170b404f 137
nexpaq 1:55a6170b404f 138 output_hex_file[fib_start + 32] = (fw_rev >> 0) & 0xFF
nexpaq 1:55a6170b404f 139 output_hex_file[fib_start + 33] = (fw_rev >> 8) & 0xFF
nexpaq 1:55a6170b404f 140 output_hex_file[fib_start + 34] = (fw_rev >> 16) & 0xFF
nexpaq 1:55a6170b404f 141 output_hex_file[fib_start + 35] = (fw_rev >> 24) & 0xFF
nexpaq 1:55a6170b404f 142
nexpaq 1:55a6170b404f 143 output_hex_file[fib_start + 36] = (checksum >> 0) & 0xFF
nexpaq 1:55a6170b404f 144 output_hex_file[fib_start + 37] = (checksum >> 8) & 0xFF
nexpaq 1:55a6170b404f 145 output_hex_file[fib_start + 38] = (checksum >> 16) & 0xFF
nexpaq 1:55a6170b404f 146 output_hex_file[fib_start + 39] = (checksum >> 24) & 0xFF
nexpaq 1:55a6170b404f 147
nexpaq 1:55a6170b404f 148 #pad the rest of the file
nexpaq 1:55a6170b404f 149 for i in range(fib_start + dummy_fib_size + fib_size, user_code_start):
nexpaq 1:55a6170b404f 150 output_hex_file[i] = 0xFF
nexpaq 1:55a6170b404f 151
nexpaq 1:55a6170b404f 152 #merge two hex files
nexpaq 1:55a6170b404f 153 output_hex_file.merge(input_hex_file, overlap='error')
nexpaq 1:55a6170b404f 154
nexpaq 1:55a6170b404f 155 # Write out file(s)
nexpaq 1:55a6170b404f 156 output_hex_file.tofile(file_name_hex, 'hex')
nexpaq 1:55a6170b404f 157 output_hex_file.tofile(file_name_bin, 'bin')
nexpaq 1:55a6170b404f 158