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comparison python/stm32.py @ 255:7416c923a02a

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Added more logging
author Windel Bouwman
date Sun, 04 Aug 2013 15:10:10 +0200
parents f254b87258e6
children 225f444019b1
comparison
equal deleted inserted replaced
254:bd26dc13f270 255:7416c923a02a
25 """ 25 """
26 Implementation of the specifics of the STM32F4xx device series. 26 Implementation of the specifics of the STM32F4xx device series.
27 """ 27 """
28 def __init__(self, iface): 28 def __init__(self, iface):
29 super().__init__(iface) 29 super().__init__(iface)
30 self.logger = logging.getLogger('stm32')
30 31
31 def __str__(self): 32 def __str__(self):
32 return 'STM32F4 device size=0x{1:X} id=0x{0:X}'.format(\ 33 return 'STM32F4 device size=0x{1:X} id=0x{0:X}'.format(\
33 self.UID, self.FlashSize) 34 self.UID, self.FlashSize)
34 35
83 if address + len(content) > STM32_FLASH_BASE + flashsize: 84 if address + len(content) > STM32_FLASH_BASE + flashsize:
84 raise STLinkException('Flashing above flash size') 85 raise STLinkException('Flashing above flash size')
85 if address & 1 == 1: 86 if address & 1 == 1:
86 raise STLinkException('Unaligned flash') 87 raise STLinkException('Unaligned flash')
87 if len(content) & 1 == 1: 88 if len(content) & 1 == 1:
88 print('unaligned length, padding with zero') 89 self.logger.warning('unaligned length, padding with zero')
89 content += bytes([0]) 90 content += bytes([0])
90 if address & (pagesize - 1) != 0: 91 if address & (pagesize - 1) != 0:
91 raise STLinkException('Address not aligned with pagesize') 92 raise STLinkException('Address not aligned with pagesize')
92 # erase required space 93 # erase required space
93 sectors = self.calcSectors(address, len(content)) 94 sectors = self.calcSectors(address, len(content))
94 print('erasing {0} sectors'.format(len(sectors))) 95 self.logger.info('erasing {0} sectors'.format(len(sectors)))
95 for sector, secsize in sectors: 96 for sector, secsize in sectors:
96 print('erasing sector {0} of {1} bytes'.format(sector, secsize)) 97 self.logger.info('erasing sector {0} of {1} bytes'.format(sector, secsize))
97 self.eraseFlashSector(sector) 98 self.eraseFlashSector(sector)
98 # program pages: 99 # program pages:
99 self.unlockFlashIf() 100 self.unlockFlashIf()
100 self.writeFlashCrPsiz(2) # writes are 32 bits aligned 101 self.writeFlashCrPsiz(2) # writes are 32 bits aligned
101 self.setFlashCrPg() 102 self.setFlashCrPg()
102 print('writing {0} bytes'.format(len(content)), end='') 103 self.logger.info('writing {0} bytes'.format(len(content)), end='')
103 offset = 0 104 offset = 0
104 t1 = time.time() 105 t1 = time.time()
105 while offset < len(content): 106 while offset < len(content):
106 size = len(content) - offset 107 size = len(content) - offset
107 if size > 0x8000: 108 if size > 0x8000: