chip data: Move chip database parsing to its own file, so can be used for other things
This commit is contained in:
Daniel Fekete
parent
962f506db0
commit
a99b06faf9
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import xml.etree.ElementTree as ET
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import os.path
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from os import listdir
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import sys
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import re
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import json
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import config
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header_lines = []
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for serie in ['f0', 'f1', 'f2', 'f3', 'f4', 'f7', 'l0', 'l1', 'l4']:
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with open(config.system_dir + 'STM32' + serie.upper() + '/CMSIS_Inc/stm32' + serie + 'xx.h') as f:
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header_lines.extend(f.readlines())
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# Returns product line for a chip: STM32F103CB -> STM32F103xB
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def get_productline_for_include(name):
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include = False
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define = False
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for line in header_lines:
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if '/* #define' in line:
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define = line[line.index('#define ')+8:][:11]
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if '#endif' in line:
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define = False
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if not define:
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continue
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if (name in line):
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include = define
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break
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if ((name[:-2] + "x" + name[-1:]) in line):
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include = define
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break
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if not include:
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define = False
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for line in header_lines:
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if '/* #define' in line:
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define = line[line.index('#define ')+8:][:11]
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if '#endif' in line:
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define = False
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if not define:
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continue
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if ((name[:-2] + "xx") in line):
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include = define
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break
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return include
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families_xml = os.path.join(config.cubemx_dir, 'db', 'mcu', 'families.xml')
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if not os.path.exists(families_xml):
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print 'Could not find CubeMX, please set CubeMX directory'
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exit(-1)
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families = ET.parse(families_xml).getroot()
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ns = {'stm': 'http://mcd.rou.st.com/modules.php?name=mcu'}
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mcus = families.findall(".//Mcu")
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xml_cache = {}
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def load_xml(path):
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if path in xml_cache:
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return xml_cache[path]
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ret = ET.parse(path)
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xml_cache[path] = ret
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return ret
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class load_mcu:
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def __init__(self, name):
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self.mcu_name = name
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if families.find(".//Mcu[@RefName='" + self.mcu_name + "Tx']") is not None:
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self.mcu_xml_filename = families.find(".//Mcu[@RefName='" + self.mcu_name + "Tx']").attrib['Name'] + '.xml'
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else:
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self.mcu_xml_filename = families.find(".//Mcu[@RPN='" + self.mcu_name + "']").attrib['Name'] + '.xml'
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self.mcu_xml = load_xml(os.path.join(config.cubemx_dir, 'db', 'mcu', self.mcu_xml_filename)).getroot()
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self.remap_xml_filename = 'GPIO-' + self.mcu_xml.find("stm:IP[@Name='GPIO']", ns).attrib['Version'] + '_Modes.xml'
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self.remap_xml = load_xml(os.path.join(config.cubemx_dir, 'db', 'mcu', 'IP', self.remap_xml_filename )).getroot()
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self.mcu_pins = self.mcu_xml.findall('stm:Pin', ns);
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self.pin_to_instance_signals = {}
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self.instance_signal_to_pin_to_af = {}
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self.instance_signal_to_default_pin = {}
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self.af_functions=[]
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self.af_function_used=[]
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self.pins = []
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self.instances = []
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self.peripheral_to_signals = {}
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self.peripheral_to_instances = {}
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self.peripheral_signal_to_instance_signals = {}
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self.load_rcc()
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self.find_remaps()
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self.process_pins()
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self.instances.sort()
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self.af_functions.sort()
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def load_rcc(self):
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self.rcc_xml = 'RCC-' + self.mcu_xml.find("stm:IP[@Name='RCC']", ns).attrib['Version'] + '_Modes.xml'
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self.rcc_root = load_xml(os.path.join(config.cubemx_dir, 'db', 'mcu', 'IP', self.rcc_xml )).getroot()
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pclk1 = self.rcc_root.find(".//stm:RefParameter[@Name='APB1Freq_Value']", ns)
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pclk2 = self.rcc_root.find("stm:RefParameter[@Name='APB2Freq_Value']", ns)
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if pclk1 is not None:
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self.PCLK1_PERIPHERALS = pclk1.attrib['IP'].split(',')
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else:
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self.PCLK1_PERIPHERALS = []
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if pclk2 is not None:
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self.PCLK2_PERIPHERALS = pclk2.attrib['IP'].split(',')
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else:
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self.PCLK2_PERIPHERALS = []
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def find_remaps(self):
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for pin_element in self.mcu_xml.findall('stm:Pin', ns):
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for signal_element in pin_element.findall('stm:Signal', ns):
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pin = pin_element.attrib['Name']
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instance_signal = signal_element.attrib['Name']
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self.pin_to_instance_signals.setdefault(pin, []).append(instance_signal)
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for pin in self.remap_xml.findall('stm:GPIO_Pin', ns):
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pin_name = pin.attrib['Name']
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pin_name = re.search('^(\D*\d*)', pin_name).group(1)
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gpio_signals = pin.findall('stm:PinSignal', ns)
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for gpio_signal in gpio_signals:
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instance_signal = gpio_signal.attrib['Name']
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if pin_name not in self.pin_to_instance_signals or instance_signal not in self.pin_to_instance_signals[pin_name]:
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continue
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instance = instance_signal.split('_')[0]
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if instance_signal not in self.instance_signal_to_pin_to_af:
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self.instance_signal_to_pin_to_af[instance_signal] = {}
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if self.mcu_name.startswith('STM32F1'):
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remap_function = False
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remap_block = gpio_signal.find('stm:RemapBlock', ns)
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if remap_block is not None:
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if 'DefaultRemap' in remap_block.attrib:
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remap_function = 'AF__HAL_AFIO_REMAP_' + instance + '_DISABLE'
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self.instance_signal_to_default_pin[instance_signal] = pin_name
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else:
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remap_function = 'AF' + remap_block.find('stm:SpecificParameter', ns).find('stm:PossibleValue', ns).text
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else:
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remap_function = 'AF__NO_REMAP'
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if instance_signal not in self.instance_signal_to_default_pin:
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self.instance_signal_to_default_pin[instance_signal] = pin_name
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self.instance_signal_to_pin_to_af[instance_signal][pin_name] = remap_function
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if remap_function not in self.af_functions:
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self.af_functions.append(remap_function)
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else:
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gpio_af = gpio_signal.find("stm:SpecificParameter[@Name='GPIO_AF']", ns)
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self.instance_signal_to_pin_to_af[instance_signal][pin_name] = gpio_af.find("stm:PossibleValue", ns).text
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def process_pins(self):
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for pin in self.mcu_pins:
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pin_name = pin.attrib['Name']
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pin_name = re.search('^(\D*\d*)', pin_name).group(1)
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self.pins.append(pin_name)
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if not pin.attrib['Type'] == 'I/O':
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continue
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instance_signal_elements = pin.findall('stm:Signal', ns)
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for instance_signal_element in instance_signal_elements:
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instance_signal = instance_signal_element.attrib['Name']
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if not instance_signal.startswith('USART') \
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and not instance_signal.startswith('SPI') \
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and not instance_signal.startswith('I2C') \
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and not instance_signal.startswith('TIM') \
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and not instance_signal.startswith('ADC') \
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and not instance_signal.startswith('ADC_') \
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and not instance_signal.startswith('I2S') \
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and not instance_signal.startswith('SDIO') \
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and not instance_signal.startswith('SDMMC'):
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pass
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#continue
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if '_' not in instance_signal: continue
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#if 'ETH' in instance_signal: print instance_signal
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(instance, sig) = instance_signal.split('_', 1)
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if instance == 'SDIO':
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instance = 'SDIO1'
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if instance == 'SDMMC1':
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instance = 'SDIO1'
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if instance == 'SDMMC2':
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instance = 'SDIO2'
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if instance[-1].isdigit() and instance[-2].isdigit():
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periph = instance[:-2]
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elif instance[-1].isdigit():
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periph = instance[:-1]
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else:
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periph = instance
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if instance not in self.instances:
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self.instances.append(instance)
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self.peripheral_to_instances.setdefault(periph, [])
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if instance not in self.peripheral_to_instances[periph]:
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self.peripheral_to_instances[periph].append(instance)
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self.peripheral_to_signals.setdefault(periph, []).append(sig)
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self.peripheral_signal_to_instance_signals.setdefault(periph + '_' + sig, []).append(instance_signal)
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if instance_signal not in self.instance_signal_to_default_pin:
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self.instance_signal_to_default_pin[instance_signal] = pin_name
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if instance_signal not in self.instance_signal_to_pin_to_af:
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self.instance_signal_to_pin_to_af[instance_signal] = {}
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self.instance_signal_to_pin_to_af[instance_signal][pin_name] = 'AF_NO_REMAP'
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@ -0,0 +1,5 @@
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cubemx_dir = 'D:\programs\STM32Cube\STM32CubeMX'
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arch_dir = '../../STM32/'
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stm32_dir = arch_dir + 'cores/arduino/stm32/'
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system_dir = arch_dir + 'system/'
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