diff --git a/arch/avr/include/avr/avr.h b/arch/avr/include/avr/avr.h new file mode 100755 index 0000000000..d6b6f428df --- /dev/null +++ b/arch/avr/include/avr/avr.h @@ -0,0 +1,62 @@ +/************************************************************************************ + * arch/avr/include/avr/avr.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +#ifndef __ARCH_AVR_INCLUDE_AVR_AVR_H +#define __ARCH_AVR_INCLUDE_AVR_AVR_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ + +/************************************************************************************ + * Public Types + ************************************************************************************/ + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +#endif /* __ARCH_AVR_INCLUDE_AVR_AVR_H */ + diff --git a/arch/avr/include/avr/irq.h b/arch/avr/include/avr/irq.h new file mode 100644 index 0000000000..16966d1947 --- /dev/null +++ b/arch/avr/include/avr/irq.h @@ -0,0 +1,137 @@ +/**************************************************************************** + * arch/avr/include/avr/irq.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/* This file should never be included directed but, rather, only indirectly + * through nuttx/irq.h + */ + +#ifndef __ARCH_AVR_INCLUDE_AVR_IRQ_H +#define __ARCH_AVR_INCLUDE_AVR_IRQ_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#include + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/* Register state save array indices */ + +#define REG_Rx 0 /* Just a placeholder */ + +/* Size of the register state save array (in bytes?) */ + +#define XCPTCONTEXT_REGS 1 + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/* This struct defines the way the registers are stored. */ + +#ifndef __ASSEMBLY__ +struct xcptcontext +{ + /* The following function pointer is non-zero if there are pending signals + * to be processed. + */ + +#ifndef CONFIG_DISABLE_SIGNALS + void *sigdeliver; /* Actual type is sig_deliver_t */ + + /* These are saved copies of PC and SR used during signal processing.*/ + + uint16_t saved_pc; + uint8_t saved_sr; +#endif + + /* Register save area */ + + uint8_t regs[XCPTCONTEXT_REGS]; +}; +#endif + +/**************************************************************************** + * Inline functions + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +/* Save the current interrupt enable state & disable all interrupts */ + +static inline irqstate_t irqsave(void) +{ + /* Needs to return the current interrupt state, then disable interrupts */ +#warning "Not implemented" + return 0 +} + +/* Restore saved interrupt state */ + +static inline void irqrestore(irqstate_t flags) +{ + /* Based on the provided interrupt flags, conditionally enable interrupts */ +#warning "Not implemented" +} +#endif /* __ASSEMBLY__ */ + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#ifndef __ASSEMBLY__ +#ifdef __cplusplus +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +#undef EXTERN +#ifdef __cplusplus +} +#endif +#endif + +#endif /* __ARCH_AVR_INCLUDE_AVR_IRQ_H */ + diff --git a/arch/avr/include/avr/limits.h b/arch/avr/include/avr/limits.h new file mode 100644 index 0000000000..d594408ced --- /dev/null +++ b/arch/avr/include/avr/limits.h @@ -0,0 +1,84 @@ +/**************************************************************************** + * arch/avr/include/avr/limits.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#ifndef __ARCH_AVR_INCLUDE_AVR_LIMITS_H +#define __ARCH_AVR_INCLUDE_AVR_LIMITS_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +#define CHAR_BIT 8 +#define SCHAR_MIN 0x80 +#define SCHAR_MAX 0x7f +#define UCHAR_MAX 0xff + +/* These could be different on machines where char is unsigned */ + +#define CHAR_MIN SCHAR_MIN +#define CHAR_MAX SCHAR_MAX + +#define SHRT_MIN 0x8000 +#define SHRT_MAX 0x7fff +#define USHRT_MAX 0xffff + +/* Integer is two bytes */ + +#define INT_MIN 0x8000 +#define INT_MAX 0x7fff +#define UINT_MAX 0xffff + +/* These change on 32-bit and 64-bit platforms */ + +#define LONG_MAX 0x80000000 +#define LONG_MIN 0x7fffffff +#define ULONG_MAX 0xffffffff + +#define LLONG_MAX 0x8000000000000000 +#define LLONG_MIN 0x7fffffffffffffff +#define ULLONG_MAX 0xffffffffffffffff + +/* A pointer is two bytes */ + +#define PTR_MIN 0x8000 +#define PTR_MAX 0x7fff +#define UPTR_MAX 0xffff + +#endif /* __ARCH_AVR_INCLUDE_AVR_LIMITS_H */ + diff --git a/arch/avr/include/avr/syscall.h b/arch/avr/include/avr/syscall.h new file mode 100644 index 0000000000..de5c4e3179 --- /dev/null +++ b/arch/avr/include/avr/syscall.h @@ -0,0 +1,138 @@ +/**************************************************************************** + * arch/avr/include/avr/syscall.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/* This file should never be included directed but, rather, only indirectly + * through include/syscall.h or include/sys/sycall.h + */ + +#ifndef __ARCH_AVR_INCLUDE_AVR_SYSCALL_H +#define __ARCH_AVR_INCLUDE_AVR_SYSCALL_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#include + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +#define SYS_syscall 0x80 + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#ifndef __ASSEMBLY__ +#ifdef __cplusplus +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/* SWI with SYS_ call number and six parameters */ +#warning "REVISIT" +EXTERN uintptr_t sys_call6(unsigned int nbr, uintptr_t parm1, + uintptr_t parm2, uintptr_t parm3, + uintptr_t parm4, uintptr_t parm5, + uintptr_t parm6); + +/* SWI with SYS_ call number and no parameters */ + +static inline uintptr_t sys_call0(unsigned int nbr) +{ + return sys_call6(nbr, 0, 0, 0, 0, 0, 0); +} + +/* SWI with SYS_ call number and one parameter */ + +static inline uintptr_t sys_call1(unsigned int nbr, uintptr_t parm1) +{ + return sys_call6(nbr, parm1, 0, 0, 0, 0, 0); +} + +/* SWI with SYS_ call number and two parameters */ + +static inline uintptr_t sys_call2(unsigned int nbr, uintptr_t parm1, + uintptr_t parm2) +{ + return sys_call6(nbr, parm1, parm2, 0, 0, 0, 0); +} + +/* SWI with SYS_ call number and three parameters */ + +static inline uintptr_t sys_call3(unsigned int nbr, uintptr_t parm1, + uintptr_t parm2, uintptr_t parm3) +{ + return sys_call6(nbr, parm1, parm2, parm3, 0, 0, 0); +} + +/* SWI with SYS_ call number and four parameters */ + +static inline uintptr_t sys_call4(unsigned int nbr, uintptr_t parm1, + uintptr_t parm2, uintptr_t parm3, + uintptr_t parm4) +{ + return sys_call6(nbr, parm1, parm2, parm3, parm4, 0, 0); +} + +/* SWI with SYS_ call number and five parameters */ + +static inline uintptr_t sys_call5(unsigned int nbr, uintptr_t parm1, + uintptr_t parm2, uintptr_t parm3, + uintptr_t parm4, uintptr_t parm5) +{ + return sys_call6(nbr, parm1, parm2, parm3, parm4, parm5, 0); +} + +#undef EXTERN +#ifdef __cplusplus +} +#endif +#endif + +#endif /* __ARCH_AVR_INCLUDE_AVR_SYSCALL_H */ + diff --git a/arch/avr/include/avr/types.h b/arch/avr/include/avr/types.h new file mode 100644 index 0000000000..2e30414c44 --- /dev/null +++ b/arch/avr/include/avr/types.h @@ -0,0 +1,95 @@ +/**************************************************************************** + * arch/avr/include/avr/types.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/* This file should never be included directed but, rather, only indirectly + * through stdint.h + */ + +#ifndef __ARCH_AVR_INCLUDE_AVR_TYPES_H +#define __ARCH_AVR_INCLUDE_AVR_TYPES_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Type Declarations + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +/* These are the sizes of the standard integer types. NOTE that these type + * names have a leading underscore character. This file will be included + * (indirectly) by include/stdint.h and typedef'ed to the final name without + * the underscore character. This roundabout way of doings things allows + * the stdint.h to be removed from the include/ directory in the event that + * the user prefers to use the definitions provided by their toolchain header + * files + */ + +typedef signed char _int8_t; +typedef unsigned char _uint8_t; + +typedef signed short _int16_t; +typedef unsigned short _uint16_t; + +typedef signed int _int32_t; +typedef unsigned int _uint32_t; + +typedef signed long long _int64_t; +typedef unsigned long long _uint64_t; +#define __INT64_DEFINED + +/* A pointer is 4 bytes */ + +typedef signed int _intptr_t; +typedef unsigned int _uintptr_t; + +/* This is the size of the interrupt state save returned by irqsave(). */ + +typedef unsigned char irqstate_t; + +#endif /* __ASSEMBLY__ */ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#endif /* __ARCH_AVR_INCLUDE_AVR_TYPES_H */ + diff --git a/arch/avr/include/avr32/irq.h b/arch/avr/include/avr32/irq.h index 691bc72d48..5d4ddf6b1c 100644 --- a/arch/avr/include/avr32/irq.h +++ b/arch/avr/include/avr32/irq.h @@ -189,11 +189,6 @@ static inline void irqrestore(irqstate_t flags) } } -static inline void system_call3(unsigned int nbr, uintptr_t parm1, - uintptr_t parm2, uintptr_t parm3) -{ - /* To be provided */ -} #endif /* __ASSEMBLY__ */ /**************************************************************************** diff --git a/arch/avr/include/avr32/limits.h b/arch/avr/include/avr32/limits.h new file mode 100644 index 0000000000..28cc1708c3 --- /dev/null +++ b/arch/avr/include/avr32/limits.h @@ -0,0 +1,84 @@ +/**************************************************************************** + * arch/avr/include/avr32/limits.h + * + * Copyright (C) 2010, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#ifndef __ARCH_AVR_INCLUDE_AVR32_LIMITS_H +#define __ARCH_AVR_INCLUDE_AVR32_LIMITS_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +#define CHAR_BIT 8 +#define SCHAR_MIN 0x80 +#define SCHAR_MAX 0x7f +#define UCHAR_MAX 0xff + +/* These could be different on machines where char is unsigned */ + +#define CHAR_MIN SCHAR_MIN +#define CHAR_MAX SCHAR_MAX + +#define SHRT_MIN 0x8000 +#define SHRT_MAX 0x7fff +#define USHRT_MAX 0xffff + +/* Integer is four bytes */ + +#define INT_MIN 0x80000000 +#define INT_MAX 0x7fffffff +#define UINT_MAX 0xffffffff + +/* These change on 32-bit and 64-bit platforms */ + +#define LONG_MAX 0x80000000 +#define LONG_MIN 0x7fffffff +#define ULONG_MAX 0xffffffff + +#define LLONG_MAX 0x8000000000000000 +#define LLONG_MIN 0x7fffffffffffffff +#define ULLONG_MAX 0xffffffffffffffff + +/* A pointer is four bytes */ + +#define PTR_MIN 0x80000000 +#define PTR_MAX 0x7fffffff +#define UPTR_MAX 0xffffffff + +#endif /* __ARCH_AVR_INCLUDE_AVR32_LIMITS_H */ + diff --git a/arch/avr/include/avr32/types.h b/arch/avr/include/avr32/types.h new file mode 100644 index 0000000000..4b5f20cea6 --- /dev/null +++ b/arch/avr/include/avr32/types.h @@ -0,0 +1,95 @@ +/**************************************************************************** + * arch/avr/include/avr32/types.h + * + * Copyright (C) 2010, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/* This file should never be included directed but, rather, only indirectly + * through stdint.h + */ + +#ifndef __ARCH_AVR_INCLUDE_AVR32_TYPES_H +#define __ARCH_AVR_INCLUDE_AVR32_TYPES_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Type Declarations + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +/* These are the sizes of the standard integer types. NOTE that these type + * names have a leading underscore character. This file will be included + * (indirectly) by include/stdint.h and typedef'ed to the final name without + * the underscore character. This roundabout way of doings things allows + * the stdint.h to be removed from the include/ directory in the event that + * the user prefers to use the definitions provided by their toolchain header + * files + */ + +typedef signed char _int8_t; +typedef unsigned char _uint8_t; + +typedef signed short _int16_t; +typedef unsigned short _uint16_t; + +typedef signed int _int32_t; +typedef unsigned int _uint32_t; + +typedef signed long long _int64_t; +typedef unsigned long long _uint64_t; +#define __INT64_DEFINED + +/* A pointer is 4 bytes */ + +typedef signed int _intptr_t; +typedef unsigned int _uintptr_t; + +/* This is the size of the interrupt state save returned by irqsave(). */ + +typedef unsigned int irqstate_t; + +#endif /* __ASSEMBLY__ */ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#endif /* __ARCH_AVR_INCLUDE_AVR32_TYPES_H */ + diff --git a/arch/avr/include/limits.h b/arch/avr/include/limits.h index 80413e9c9a..2213834739 100644 --- a/arch/avr/include/limits.h +++ b/arch/avr/include/limits.h @@ -1,7 +1,7 @@ /**************************************************************************** * arch/avr/include/limits.h * - * Copyright (C) 2010 Gregory Nutt. All rights reserved. + * Copyright (C) 2010, 2011 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without @@ -44,39 +44,13 @@ * Definitions ****************************************************************************/ -#define CHAR_BIT 8 -#define SCHAR_MIN 0x80 -#define SCHAR_MAX 0x7f -#define UCHAR_MAX 0xff +/* Include AVR architecture-specific limits */ -/* These could be different on machines where char is unsigned */ - -#define CHAR_MIN SCHAR_MIN -#define CHAR_MAX SCHAR_MAX - -#define SHRT_MIN 0x8000 -#define SHRT_MAX 0x7fff -#define USHRT_MAX 0xffff - -#define INT_MIN 0x80000000 -#define INT_MAX 0x7fffffff -#define UINT_MAX 0xffffffff - -/* These change on 32-bit and 64-bit platforms */ - -#define LONG_MAX 0x80000000 -#define LONG_MIN 0x7fffffff -#define ULONG_MAX 0xffffffff - -#define LLONG_MAX 0x8000000000000000 -#define LLONG_MIN 0x7fffffffffffffff -#define ULLONG_MAX 0xffffffffffffffff - -/* A pointer is 4 bytes */ - -#define PTR_MIN 0x80000000 -#define PTR_MAX 0x7fffffff -#define UPTR_MAX 0xffffffff +#ifdef CONFIG_ARCH_AVR32 +# include +#else +# include +#endif #endif /* __ARCH_AVR_INCLUDE_LIMITS_H */ diff --git a/arch/avr/include/types.h b/arch/avr/include/types.h index c93e70df4c..48481039f8 100644 --- a/arch/avr/include/types.h +++ b/arch/avr/include/types.h @@ -1,7 +1,7 @@ /**************************************************************************** * arch/avr/include/types.h * - * Copyright (C) 2010 Gregory Nutt. All rights reserved. + * Copyright (C) 2010, 2011 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without @@ -44,6 +44,14 @@ * Included Files ****************************************************************************/ +/* Include AVR architecture-specific types definitions */ + +#ifdef CONFIG_ARCH_AVR32 +# include +#else +# include +#endif + /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ @@ -52,41 +60,6 @@ * Type Declarations ****************************************************************************/ -#ifndef __ASSEMBLY__ - -/* These are the sizes of the standard integer types. NOTE that these type - * names have a leading underscore character. This file will be included - * (indirectly) by include/stdint.h and typedef'ed to the final name without - * the underscore character. This roundabout way of doings things allows - * the stdint.h to be removed from the include/ directory in the event that - * the user prefers to use the definitions provided by their toolchain header - * files - */ - -typedef signed char _int8_t; -typedef unsigned char _uint8_t; - -typedef signed short _int16_t; -typedef unsigned short _uint16_t; - -typedef signed int _int32_t; -typedef unsigned int _uint32_t; - -typedef signed long long _int64_t; -typedef unsigned long long _uint64_t; -#define __INT64_DEFINED - -/* A pointer is 4 bytes */ - -typedef signed int _intptr_t; -typedef unsigned int _uintptr_t; - -/* This is the size of the interrupt state save returned by irqsave(). */ - -typedef unsigned int irqstate_t; - -#endif /* __ASSEMBLY__ */ - /**************************************************************************** * Public Function Prototypes ****************************************************************************/ diff --git a/arch/avr/src/at32uc3/at32uc3_internal.h b/arch/avr/src/at32uc3/at32uc3_internal.h index 4e038589db..6fa53ef056 100644 --- a/arch/avr/src/at32uc3/at32uc3_internal.h +++ b/arch/avr/src/at32uc3/at32uc3_internal.h @@ -1,5 +1,5 @@ /**************************************************************************** - * arch/avr/src/at32uc3b/at32uc3_internal.h + * arch/avr/src/at32uc3/at32uc3_internal.h * * Copyright (C) 2010 Gregory Nutt. All rights reserved. * Author: Gregory Nutt @@ -33,8 +33,8 @@ * ****************************************************************************/ -#ifndef __ARCH_AVR_SRC_AVR32_AT32UC3_INTERNAL_H -#define __ARCH_AVR_SRC_AVR32_AT32UC3_INTERNAL_H +#ifndef __ARCH_AVR_SRC_AT32UC3_AT32UC3_INTERNAL_H +#define __ARCH_AVR_SRC_AT32UC3_AT32UC3_INTERNAL_H /**************************************************************************** * Included Files @@ -340,5 +340,5 @@ EXTERN void gpio_irqdisable(int irq); #endif #endif /* __ASSEMBLY__ */ -#endif /* __ARCH_AVR_SRC_AVR32_AT32UC3_INTERNAL_H */ +#endif /* __ARCH_AVR_SRC_AT32UC3_AT32UC3_INTERNAL_H */ diff --git a/arch/avr/src/atmega/Make.defs b/arch/avr/src/atmega/Make.defs new file mode 100644 index 0000000000..932f23a2d1 --- /dev/null +++ b/arch/avr/src/atmega/Make.defs @@ -0,0 +1,64 @@ +############################################################################ +# arch/avr/src/atmega/Make.defs +# +# Copyright (C) 2011 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name NuttX nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +# The start-up, "head", file + +HEAD_ASRC = atmega_head.S + +# Common AVR files + +CMN_ASRCS = up_exceptions.S up_fullcontextrestore.S up_switchcontext.S +CMN_CSRCS = up_assert.c up_allocateheap.c up_blocktask.c up_copystate.c \ + up_createstack.c up_mdelay.c up_udelay.c up_exit.c up_idle.c \ + up_initialize.c up_initialstate.c up_interruptcontext.c \ + up_modifyreg8.c up_modifyreg16.c up_modifyreg32.c \ + up_releasepending.c up_releasestack.c up_reprioritizertr.c \ + up_schedulesigaction.c up_sigdeliver.c up_unblocktask.c \ + up_usestack.c up_doirq.c + +# Required ATMEGA files + +CHIP_ASRCS = +CHIP_CSRCS = atmega_clkinit.c atmega_gpio.c atmega_irq.c \ + atmega_lowconsole.c atmega_lowinit.c atmega_serial.c \ + atmega_timerisr.c + +# Configuration-dependent ATMEGA files + +ifeq ($(CONFIG_AVR_GPIOIRQ),y) +CHIP_CSRCS += atmega_gpioirq.c +endif + + diff --git a/arch/avr/src/atmega/atmega_internal.h b/arch/avr/src/atmega/atmega_internal.h new file mode 100644 index 0000000000..6a4b2056c6 --- /dev/null +++ b/arch/avr/src/atmega/atmega_internal.h @@ -0,0 +1,245 @@ +/**************************************************************************** + * arch/avr/src/atmega/atmega_internal.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#ifndef __ARCH_AVR_SRC_ATMEGA_ATMEGA_INTERNAL_H +#define __ARCH_AVR_SRC_ATMEGA_ATMEGA_INTERNAL_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#include "atmega_config.h" + +#ifdef CONFIG_AVR_GPIOIRQ +# include +#endif + +#include +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Bit-encoded input to atmega_configgpio() ********************************/ +# warning "Missing definitions" + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +/**************************************************************************** + * Inline Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Name: up_clkinit + * + * Description: + * Initialiaze clock/PLL settings per the definitions in the board.h file. + * + ****************************************************************************/ + +EXTERN void up_clkinitialize(void); + +/**************************************************************************** + * Name: usart_reset + * + * Description: + * Reset a USART. + * + ****************************************************************************/ + +EXTERN void usart_reset(uintptr_t usart_base); + +/**************************************************************************** + * Name: usart_configure + * + * Description: + * Configure a USART as a RS-232 UART. + * + ****************************************************************************/ + +void usart_configure(uintptr_t usart_base, uint32_t baud, unsigned int parity, + unsigned int nbits, bool stop2); + +/**************************************************************************** + * Name: up_consoleinit + * + * Description: + * Initialize a console for debug output. This function is called very + * early in the intialization sequence to configure the serial console + * uart (only). + * + ****************************************************************************/ + +EXTERN void up_consoleinit(void); + +/**************************************************************************** + * Name: up_boardinit + * + * Description: + * This function must be provided by the board-specific logic in the + * directory configs//up_boot.c. + * + ****************************************************************************/ + +EXTERN void up_boardinitialize(void); + +/**************************************************************************** + * Name: atmega_configgpio + * + * Description: + * Configure a GPIO pin based on bit-encoded description of the pin. + * + ****************************************************************************/ + +EXTERN int atmega_configgpio(uint16_t cfgset); + +/**************************************************************************** + * Name: atmega_gpiowrite + * + * Description: + * Write one or zero to the selected GPIO pin + * + ****************************************************************************/ + +EXTERN void atmega_gpiowrite(uint16_t pinset, bool value); + +/**************************************************************************** + * Name: atmega_gpioread + * + * Description: + * Read one or zero from the selected GPIO pin + * + ****************************************************************************/ + +EXTERN bool atmega_gpioread(uint16_t pinset); + +/**************************************************************************** + * Name: gpio_irqinitialize + * + * Description: + * Initialize all vectors to the unexpected interrupt handler + * + * Configuration Notes: + * Configuration CONFIG_AVR_GPIOIRQ must be selected to enable the + * overall GPIO IRQ feature. + * + * Assumptions: + * Called during the early boot sequence before global interrupts have + * been enabled. + * + ****************************************************************************/ + +#ifdef CONFIG_AVR_GPIOIRQ +EXTERN void weak_function gpio_irqinitialize(void); +#endif + +/**************************************************************************** + * Name: gpio_irqattach + * + * Description: + * Attach in GPIO interrupt to the provide 'isr' + * + * Configuration Notes: + * Configuration CONFIG_AVR_GPIOIRQ must be selected to enable the + * overall GPIO IRQ feature. + * + ****************************************************************************/ + +#ifdef CONFIG_AVR_GPIOIRQ +EXTERN int gpio_irqattach(int irq, xcpt_t newisr, xcpt_t *oldisr); +#endif + +/**************************************************************************** + * Name: gpio_irqenable + * + * Description: + * Enable the GPIO IRQ specified by 'irq' + * + * Configuration Notes: + * Configuration CONFIG_AVR_GPIOIRQ must be selected to enable the + * overall GPIO IRQ feature. + * + ****************************************************************************/ + +#ifdef CONFIG_AVR_GPIOIRQ +EXTERN void gpio_irqenable(int irq); +#endif + +/***************************************************************************** + * Name: gpio_irqdisable + * + * Description: + * Disable the GPIO IRQ specified by 'irq' + * + * Configuration Notes: + * Configuration CONFIG_AVR_GPIOIRQ must be selected to enable the + * overall GPIO IRQ feature. + * + ****************************************************************************/ + +#ifdef CONFIG_AVR_GPIOIRQ +EXTERN void gpio_irqdisable(int irq); +#endif + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __ARCH_AVR_SRC_ATMEGA_ATMEGA_INTERNAL_H */ + diff --git a/arch/avr/src/atmega/atmega_memorymap.h b/arch/avr/src/atmega/atmega_memorymap.h new file mode 100644 index 0000000000..a509f7657d --- /dev/null +++ b/arch/avr/src/atmega/atmega_memorymap.h @@ -0,0 +1,68 @@ +/************************************************************************************ + * arch/avr/src/atmega/atmega_memorymap.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +#ifndef __ARCH_AVR_SRC_ATMEGA_ATMEGA_MEMORYMAP_H +#define __ARCH_AVR_SRC_ATMEGA_ATMEGA_MEMORYMAP_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ + +/* Physical memory map */ +# warning "Missing Definitions" + +/* Peripheral Address Map */ +# warning "Missing Definitions" + +/************************************************************************************ + * Public Types + ************************************************************************************/ + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +#endif /* __ARCH_AVR_SRC_ATMEGA_ATMEGA_MEMORYMAP_H */ + diff --git a/arch/avr/src/atmega/chip.h b/arch/avr/src/atmega/chip.h new file mode 100644 index 0000000000..7f114a604b --- /dev/null +++ b/arch/avr/src/atmega/chip.h @@ -0,0 +1,75 @@ +/************************************************************************************ + * arch/avr/src/atmega/chip.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +#ifndef __ARCH_AVR_SRC_ATMEGA_CHIP_H +#define __ARCH_AVR_SRC_ATMEGA_CHIP_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ + +/* Define features for supported chip in the ATMEGA family */ + +#if 0 +#else +# error "Unsupported AVR chip" +#endif + +/* Include only the memory map. Other chip hardware files should then include this + * file for the proper setup + */ + +#include "atmega_memorymap.h" + +/************************************************************************************ + * Public Types + ************************************************************************************/ + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +#endif /* __ARCH_AVR_SRC_ATMEGA_CHIP_H */ + diff --git a/arch/avr/src/avr/README.txt b/arch/avr/src/avr/README.txt new file mode 100644 index 0000000000..022b4813a6 --- /dev/null +++ b/arch/avr/src/avr/README.txt @@ -0,0 +1,2 @@ +This directory is a placeholder for commong AVR logic +