93 lines
2.8 KiB
Python
Executable File
93 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python
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# This file is part of the libopencm3 project.
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#
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# Copyright (C) 2012 chrysn <chrysn@fsfe.org>
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this library. If not, see <http://www.gnu.org/licenses/>.
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import sys
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import yaml
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template = '''\
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/* This file is part of the libopencm3 project.
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*
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* It was generated by the irq2nvic_h script.
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*/
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#ifndef {includeguard}
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#define {includeguard}
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/** @defgroup CM3_nvic_defines_{partname_doxygen} User interrupts for {partname_humanreadable}
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@ingroup CM3_nvic_defines
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@{{*/
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{irqdefinitions}
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#define NVIC_IRQ_COUNT {irqcount}
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/**@}}*/
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#define WEAK __attribute__ ((weak))
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/** @defgroup CM3_nvic_isrprototypes_{partname_doxygen} User interrupt service routines (ISR) prototypes for {partname_humanreadable}
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@ingroup CM3_nvic_isrprototypes
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@{{*/
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{isrprototypes}
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/**@}}*/
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/** @defgroup CM3_nvic_isrpragmas_{partname_doxygen} User interrupt service routines (ISR) defaults for {partname_humanreadable}
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@ingroup CM3_nvic_isrpragmas
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@{{*/
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{isrpragmas}
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/**@}}*/
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/* Initialization template for the interrupt vector table. This definition is
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* used by the startup code generator (vector.c) to set the initial values for
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* the interrupt handling routines to the chip family specific _isr weak
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* symbols. */
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#define IRQ_HANDLERS \\
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{vectortableinitialization}
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#endif /* {includeguard} */
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'''
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def convert(infile, outfile):
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data = yaml.load(infile)
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irq2name = list(enumerate(data['irqs']) if isinstance(data['irqs'], list) else data['irqs'].items())
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irqnames = [v for (k,v) in irq2name]
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data['irqdefinitions'] = "\n".join('#define NVIC_%s_IRQ %d'%(v.upper(),k) for (k,v) in irq2name)
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data['irqcount'] = len(irq2name) # FIXME: what if it's a sparse dictionary?
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data['isrprototypes'] = "\n".join('void WEAK %s_isr(void);'%name.lower() for name in irqnames)
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data['isrpragmas'] = "\n".join('#pragma weak %s_isr = blocking_handler'%name.lower() for name in irqnames)
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data['vectortableinitialization'] = ', \\\n '.join('[NVIC_%s_IRQ] = %s_isr'%(name.upper(), name.lower()) for name in irqnames)
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outfile.write(template.format(**data))
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def main():
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convert(open('irq.yaml'), open('nvic.h', 'w'))
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if __name__ == "__main__":
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main()
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