HWA
Bare metal programming with style
hwa_interrupts.h
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/* This file is part of the HWA project.
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* Copyright (c) 2020 Christophe Duparquet.
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* All rights reserved. Read LICENSE.TXT for details.
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*/
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#define hw_class__irq
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/* Return the mask register of an _irq.
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* Can not use HW_CODR since it's blued.
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*/
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#ifndef hw__irq_mask
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#define hw__irq_mask , _hw_irqm
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#define _hw_irqm(oo,v,o,m,f) _hw_irqm1(o,hw_##o,hw_##o##_##m)
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#define _hw_irqm1(...) _hw_irqm2(__VA_ARGS__)
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#define _hw_irqm2(o,c,a,rc,...) HW_OXR(rc,,__VA_ARGS__,c,o,a)
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#endif
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#ifndef hw__irq_flag
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#define hw__irq_flag , _hw_irqf
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#define _hw_irqf(oo,v,o,m,f) _hw_irqf1(o,hw_##o,hw_##o##_##f)
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#define _hw_irqf1(...) _hw_irqf2(__VA_ARGS__)
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#define _hw_irqf2(o,c,a,rc,...) HW_OXR(rc,,__VA_ARGS__,c,o,a)
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#endif
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#define hw__irq_ , _hw_irq_
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#define _hw_irq_(oo,r,v,o,m,f) _hw_irq1(o,r,hw_##o##_irq_##r)
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#define _hw_irq1(...) _hw_irq2(__VA_ARGS__)
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#define _hw_irq2(o,r,...) HW_BW(_hw_irq2_,_irq,__VA_ARGS__)(o,r,__VA_ARGS__)
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#define _hw_irq2_0(o,r,...) ,(o,irq,r),HW_EM_O((o,irq,r))
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#define _hw_irq2_1(o,r,ic,iv,...) ic,(o,irq,r),(iv,__VA_ARGS__)
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/* FIXME: this code has to be rewritten.
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* AVR use '(object,irq)' as argument for HW_ISR().
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* STM32 use 'object[,reason]' and looks for a _hw_isr_object[_reason] declaration (-> _HW_ISR20)
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*/
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#ifndef HW_ISR
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#define HW_ISR(...) _HW_ISR0(__VA_ARGS__,,,)
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#define _HW_ISR0(o,...) _HW_ISR1( HW_C3(HW_X(o)), __VA_ARGS__ )
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#define _HW_ISR1(...) _HW_ISR2(__VA_ARGS__)
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#define _HW_ISR2(c,...) HW_BW(_HW_ISR2,_irq,c)(c, __VA_ARGS__ )
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//#define _HW_ISR20(x,o,...) _HW_ISR_E(o,__VA_ARGS__)
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//#define _HW_ISR21(c,o,v,p,m,f,x,...) HW_BW(_HW_ISR5,alias,x)(v,x,__VA_ARGS__)
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#define _HW_ISR21(c,o,d,...) _HW_ISR22( HW_A0 d, __VA_ARGS__ )
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#define _HW_ISR22(...) _HW_ISR23(__VA_ARGS__)
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#define _HW_ISR23(v,x,...) HW_BW(_HW_ISR5,alias,x)(v,x,__VA_ARGS__)
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#define _HW_ISR51(v,x,o,...) _HW_ISR52(v, HW_X(o), __VA_ARGS__ )
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#define _HW_ISR52(...) _HW_ISR53(__VA_ARGS__)
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#define _HW_ISR53(v,x,...) HW_BW(_HW_ISR6,_irq,x)(v,x, __VA_ARGS__ )
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#define _HW_ISR60(v,x,o,...) _HW_ISR_E(o,__VA_ARGS__)
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#define _HW_ISR61(v1,c,o,v2,p,m,f,x,...) _HW_ISR_ALIAS(v1,v2) HW_EOL(__VA_ARGS__)
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#define _HW_ISR50(v,x,...) _HW_B(_HW_ISR7,_hw_israttr_##x)(v,x,__VA_ARGS__)
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#define _HW_ISR70(v,...) _HW_ISR9(v,) HW_EOL(__VA_ARGS__)
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#define _HW_ISR71(v,x,y,...) _HW_B(_HW_ISR8,_hw_israttr_##y)(v,x,y,__VA_ARGS__)
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#define _HW_ISR80(v,x,...) _HW_ISR9(v, HW_A1(_hw_israttr_##x)) HW_EOL(__VA_ARGS__)
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#define _HW_ISR81(v,x,y,...) _HW_ISR9(v, HW_A1(_hw_israttr_##x) HW_A1(_hw_israttr_##y)) HW_EOL(__VA_ARGS__)
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#define _HW_ISR9(...) _HW_ISR_(__VA_ARGS__)
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#if defined __ASSEMBLER__ && !defined _HW_ISR_
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# define _HW_ISR_(vector, ...) __vector_##vector
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# define _HW_ISR_E(o, ...) __vector_0 HW_E(HW_EM_OT(o,irq)[_HW_ISR_E(o,__VA_ARGS__)])
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#endif
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#if !defined __ASSEMBLER__
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# define _HW_ISR_E(o, ...) \
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void _hw_isr_error(void) __attribute__((weak)) HW_E(HW_EM_OT(o,irq)[_HW_ISR_E(o,__VA_ARGS__)])
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#endif
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/* Handle _hw_isr_ declarations
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*/
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#define _HW_ISR20(c,...) HW_B(_HW_ISRX1,c)(c,__VA_ARGS__)
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#define _HW_ISRX11(z,o,e,...) HW_E(e) void HW_G2(hw,__COUNTER__)()
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/* Reason?
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*/
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#define _HW_ISRX10(c,o,d,x,...) HW_B(_HW_ISRX3,_hw_isr_##o##_##x)(o,x,__VA_ARGS__)
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#define _HW_ISRX31(o,x,...) _HW_ISRX30(o##_##x,__VA_ARGS__)
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/* Alias?
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*/
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#define _HW_ISRX30(o1,x,...) HW_BW(_HW_ISRX5,alias,x)(o1,x,__VA_ARGS__)
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#define _HW_ISRX51(o1,x,y,...) _HW_ISRX52(o1,HW_C3(HW_X(y)), __VA_ARGS__ )
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#define _HW_ISRX52(o1,x,...) HW_B(_HW_ISRX52,x)(o1,x,__VA_ARGS__)
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#define _HW_ISRX521(o1,z,o,e,...) HW_E(e) void HW_G2(hw,__COUNTER__)()
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#define _HW_ISRX520(o1,c,o2,d,x,...) HW_B(_HW_ISRX53,x)(o1,o2,x,__VA_ARGS__)
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#define _HW_ISRX531(o1,o2,...) _HW_ISRX_ALIAS(HW_A1(_hw_isr_##o1),HW_A1(_hw_isr_##o2)) HW_EOL(__VA_ARGS__)
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/* Reason?
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*/
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#define _HW_ISRX530(o1,o2,x,...) HW_B(_HW_ISRX54,_hw_isr_##o2##_##x)(o1,o2,x,__VA_ARGS__)
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#define _HW_ISRX541(o1,o2,x,...) _HW_ISRX_ALIAS(HW_A1(_hw_isr_##o1),HW_A1(_hw_isr_##o2##_##x)) HW_EOL(__VA_ARGS__)
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#define _HW_ISRX540(o1,o2,...) _HW_ISRX_ALIAS(HW_A1(_hw_isr_##o1),HW_A1(_hw_isr_##o2)) HW_EOL(__VA_ARGS__)
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#define _HW_ISRX50(o,...) HW_B(_HW_ISRX50,_hw_isr_##o)(o,__VA_ARGS__)
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#define _HW_ISRX500(o,...) HW_E(HW_EM_OT(o,isr))
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#define _HW_ISRX501(...) _HW_ISRX9(__VA_ARGS__)
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#define _HW_ISRX9(o,...) _HW_ISRXX(HW_A1(_hw_isr_##o),__VA_ARGS__)
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#define _HW_ISRXX(...) _HW_ISRXX1(__VA_ARGS__)
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#define _HW_ISRXX1(v,...) \
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HW_EXTERN_C void __vector_##v(void) HW_ISR_ATTRIBUTES \
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HW_B(_HW_ISRXX2,__VA_ARGS__)(__VA_ARGS__); \
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void __vector_##v(void)
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#define _HW_ISRXX20(x,...) __attribute((x)) HW_B(_HW_ISRXX3,__VA_ARGS__)(__VA_ARGS__)
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#define _HW_ISRXX30(x,...) __attribute((x)) HW_B(_HW_ISRXX3,__VA_ARGS__)(__VA_ARGS__)
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#define _HW_ISRXX21(...)
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#define _HW_ISRXX31(...)
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#endif // ifndef HW_ISR
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#define hw_enable__irq , _hw_enirq
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#define hwa_enable__irq , _hwa_enirq
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#define hw_disable__irq , _hw_dsirq
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#define hwa_disable__irq , _hwa_dsirq
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#define hw_is_enabled__irq , _hw_isenirq
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#define hw_read__irq , _hw_rdirq
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#define hw_clear__irq , _hw_clirq
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#define hwa_clear__irq , _hwa_clirq
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#define hw_enable_interrupts , _hw_enirqs
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#define hw_disable_interrupts , _hw_dsirqs
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