mirror of
https://github.com/betaflight/betaflight.git
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Adding RP2350 SDK and target framework (#13988)
* Adding RP2350 SDK and target framework * Spacing * Removing board definitions
This commit is contained in:
J Blackman
GitHub
parent
462cb05930
commit
2dd6f95aad
576 changed files with 435012 additions and 0 deletions
22
lib/main/pico-sdk/rp2_common/pico_printf/LICENSE
Normal file
22
lib/main/pico-sdk/rp2_common/pico_printf/LICENSE
Normal file
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@ -0,0 +1,22 @@
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The MIT License (MIT)
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Copyright (c) 2014 Marco Paland
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
|
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in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
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SOFTWARE.
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@ -0,0 +1,93 @@
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///////////////////////////////////////////////////////////////////////////////
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// \author (c) Marco Paland (info@paland.com)
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// 2014-2019, PALANDesign Hannover, Germany
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//
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// \license The MIT License (MIT)
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//
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||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
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||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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||||
// THE SOFTWARE.
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//
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// \brief Tiny printf, sprintf and snprintf implementation, optimized for speed on
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// embedded systems with a very limited resources.
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// Use this instead of bloated standard/newlib printf.
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// These routines are thread safe and reentrant.
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//
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _PICO_PRINTF_H
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#define _PICO_PRINTF_H
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/** \file printf.h
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* \defgroup pico_printf pico_printf
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*
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* \brief Compact replacement for printf by Marco Paland (info@paland.com)
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "pico.h"
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#include <stdio.h>
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#include <stdarg.h>
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// PICO_CONFIG: PICO_PRINTF_ALWAYS_INCLUDED, Whether to always include printf code even if only called weakly (by panic), type=bool, default=1 in debug build 0 otherwise, group=pico_printf
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#ifndef PICO_PRINTF_ALWAYS_INCLUDED
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#ifndef NDEBUG
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#define PICO_PRINTF_ALWAYS_INCLUDED 1
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#else
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#define PICO_PRINTF_ALWAYS_INCLUDED 0
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#endif
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#endif
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#if LIB_PICO_PRINTF_PICO
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// weak raw printf may be a puts if printf has not been called,
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// so that we can support gc of printf when it isn't called
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//
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// it is called raw to distinguish it from the regular printf which
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// is in stdio.c and does mutex protection
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#if !PICO_PRINTF_ALWAYS_INCLUDED
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bool __printflike(1, 0) weak_raw_printf(const char *fmt, ...);
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bool weak_raw_vprintf(const char *fmt, va_list args);
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#else
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#define weak_raw_printf(...) ({printf(__VA_ARGS__); true;})
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#define weak_raw_vprintf(fmt,va) ({vprintf(fmt,va); true;})
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#endif
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/**
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* \brief printf with output function
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* You may use this as dynamic alternative to printf() with its fixed _putchar() output
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* \param out An output function which takes one character and an argument pointer
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* \param arg An argument pointer for user data passed to output function
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* \param format A string that specifies the format of the output
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* \return The number of characters that are sent to the output function, not counting the terminating null character
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*/
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int vfctprintf(void (*out)(char character, void *arg), void *arg, const char *format, va_list va);
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#else
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#define weak_raw_printf(...) ({printf(__VA_ARGS__); true;})
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#define weak_raw_vprintf(fmt,va) ({vprintf(fmt,va); true;})
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif // _PRINTF_H_
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941
lib/main/pico-sdk/rp2_common/pico_printf/printf.c
Normal file
941
lib/main/pico-sdk/rp2_common/pico_printf/printf.c
Normal file
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@ -0,0 +1,941 @@
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///////////////////////////////////////////////////////////////////////////////
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// \author (c) Marco Paland (info@paland.com)
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// 2014-2019, PALANDesign Hannover, Germany
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//
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// \license The MIT License (MIT)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
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// THE SOFTWARE.
|
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//
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// \brief Tiny printf, sprintf and (v)snprintf implementation, optimized for speed on
|
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// embedded systems with a very limited resources. These routines are thread
|
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// safe and reentrant!
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// Use this instead of the bloated standard/newlib printf cause these use
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// malloc for printf (and may not be thread safe).
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//
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///////////////////////////////////////////////////////////////////////////////
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "pico.h"
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#include "pico/printf.h"
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// PICO_CONFIG: PICO_PRINTF_NTOA_BUFFER_SIZE, Define printf ntoa buffer size, min=0, max=128, default=32, group=pico_printf
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// 'ntoa' conversion buffer size, this must be big enough to hold one converted
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// numeric number including padded zeros (dynamically created on stack)
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#ifndef PICO_PRINTF_NTOA_BUFFER_SIZE
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#define PICO_PRINTF_NTOA_BUFFER_SIZE 32U
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#endif
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// PICO_CONFIG: PICO_PRINTF_FTOA_BUFFER_SIZE, Define printf ftoa buffer size, min=0, max=128, default=32, group=pico_printf
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// 'ftoa' conversion buffer size, this must be big enough to hold one converted
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// float number including padded zeros (dynamically created on stack)
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#ifndef PICO_PRINTF_FTOA_BUFFER_SIZE
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#define PICO_PRINTF_FTOA_BUFFER_SIZE 32U
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#endif
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// PICO_CONFIG: PICO_PRINTF_SUPPORT_FLOAT, Enable floating point printing, type=bool, default=1, group=pico_printf
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// support for the floating point type (%f)
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#ifndef PICO_PRINTF_SUPPORT_FLOAT
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#define PICO_PRINTF_SUPPORT_FLOAT 1
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#endif
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// PICO_CONFIG: PICO_PRINTF_SUPPORT_EXPONENTIAL, Enable exponential floating point printing, type=bool, default=1, group=pico_printf
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// support for exponential floating point notation (%e/%g)
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#ifndef PICO_PRINTF_SUPPORT_EXPONENTIAL
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#define PICO_PRINTF_SUPPORT_EXPONENTIAL 1
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#endif
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// PICO_CONFIG: PICO_PRINTF_DEFAULT_FLOAT_PRECISION, Define default floating point precision, min=1, max=16, default=6, group=pico_printf
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#ifndef PICO_PRINTF_DEFAULT_FLOAT_PRECISION
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#define PICO_PRINTF_DEFAULT_FLOAT_PRECISION 6U
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#endif
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// PICO_CONFIG: PICO_PRINTF_MAX_FLOAT, Define the largest float suitable to print with %f, min=1, max=1e9, default=1e9, group=pico_printf
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#ifndef PICO_PRINTF_MAX_FLOAT
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#define PICO_PRINTF_MAX_FLOAT 1e9
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#endif
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// PICO_CONFIG: PICO_PRINTF_SUPPORT_LONG_LONG, Enable support for long long types (%llu or %p), type=bool, default=1, group=pico_printf
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#ifndef PICO_PRINTF_SUPPORT_LONG_LONG
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#define PICO_PRINTF_SUPPORT_LONG_LONG 1
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#endif
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// PICO_CONFIG: PICO_PRINTF_SUPPORT_PTRDIFF_T, Enable support for the ptrdiff_t type (%t), type=bool, default=1, group=pico_printf
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// ptrdiff_t is normally defined in <stddef.h> as long or long long type
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#ifndef PICO_PRINTF_SUPPORT_PTRDIFF_T
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#define PICO_PRINTF_SUPPORT_PTRDIFF_T 1
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// internal flag definitions
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#define FLAGS_ZEROPAD (1U << 0U)
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#define FLAGS_LEFT (1U << 1U)
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#define FLAGS_PLUS (1U << 2U)
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#define FLAGS_SPACE (1U << 3U)
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#define FLAGS_HASH (1U << 4U)
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#define FLAGS_UPPERCASE (1U << 5U)
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#define FLAGS_CHAR (1U << 6U)
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#define FLAGS_SHORT (1U << 7U)
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#define FLAGS_LONG (1U << 8U)
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#define FLAGS_LONG_LONG (1U << 9U)
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#define FLAGS_PRECISION (1U << 10U)
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#define FLAGS_ADAPT_EXP (1U << 11U)
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// import float.h for DBL_MAX
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#if PICO_PRINTF_SUPPORT_FLOAT
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#include <float.h>
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#endif
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// output function type
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typedef void (*out_fct_type)(char character, void *buffer, size_t idx, size_t maxlen);
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#if !PICO_PRINTF_ALWAYS_INCLUDED
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// we don't have a way to specify a truly weak symbol reference (the linker will always include targets in a single link step,
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// so we make a function pointer that is initialized on the first printf called... if printf is not included in the binary
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// (or has never been called - we can't tell) then this will be null. the assumption is that if you are using printf
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// you are likely to have printed something.
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static int (*lazy_vsnprintf)(out_fct_type out, char *buffer, const size_t maxlen, const char *format, va_list va);
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#endif
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// wrapper (used as buffer) for output function type
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typedef struct {
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void (*fct)(char character, void *arg);
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void *arg;
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} out_fct_wrap_type;
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// internal buffer output
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static inline void _out_buffer(char character, void *buffer, size_t idx, size_t maxlen) {
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if (idx < maxlen) {
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((char *) buffer)[idx] = character;
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}
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}
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// internal null output
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static inline void _out_null(char character, void *buffer, size_t idx, size_t maxlen) {
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(void) character;
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(void) buffer;
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(void) idx;
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(void) maxlen;
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}
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// internal output function wrapper
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static inline void _out_fct(char character, void *buffer, size_t idx, size_t maxlen) {
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(void) idx;
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(void) maxlen;
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if (character) {
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// buffer is the output fct pointer
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((out_fct_wrap_type *) buffer)->fct(character, ((out_fct_wrap_type *) buffer)->arg);
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}
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}
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// internal secure strlen
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// \return The length of the string (excluding the terminating 0) limited by 'maxsize'
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static inline unsigned int _strnlen_s(const char *str, size_t maxsize) {
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const char *s;
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for (s = str; *s && maxsize--; ++s);
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return (unsigned int) (s - str);
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}
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// internal test if char is a digit (0-9)
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// \return true if char is a digit
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static inline bool _is_digit(char ch) {
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return (ch >= '0') && (ch <= '9');
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}
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// internal ASCII string to unsigned int conversion
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static unsigned int _atoi(const char **str) {
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unsigned int i = 0U;
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while (_is_digit(**str)) {
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i = i * 10U + (unsigned int) (*((*str)++) - '0');
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}
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return i;
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}
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// output the specified string in reverse, taking care of any zero-padding
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static size_t _out_rev(out_fct_type out, char *buffer, size_t idx, size_t maxlen, const char *buf, size_t len,
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unsigned int width, unsigned int flags) {
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const size_t start_idx = idx;
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// pad spaces up to given width
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if (!(flags & FLAGS_LEFT) && !(flags & FLAGS_ZEROPAD)) {
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for (size_t i = len; i < width; i++) {
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out(' ', buffer, idx++, maxlen);
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}
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}
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// reverse string
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while (len) {
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out(buf[--len], buffer, idx++, maxlen);
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}
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// append pad spaces up to given width
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if (flags & FLAGS_LEFT) {
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while (idx - start_idx < width) {
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out(' ', buffer, idx++, maxlen);
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}
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}
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return idx;
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}
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// internal itoa format
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static size_t _ntoa_format(out_fct_type out, char *buffer, size_t idx, size_t maxlen, char *buf, size_t len,
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bool negative, unsigned int base, unsigned int prec, unsigned int width,
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unsigned int flags) {
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// pad leading zeros
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if (!(flags & FLAGS_LEFT)) {
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if (width && (flags & FLAGS_ZEROPAD) && (negative || (flags & (FLAGS_PLUS | FLAGS_SPACE)))) {
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width--;
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}
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while ((len < prec) && (len < PICO_PRINTF_NTOA_BUFFER_SIZE)) {
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buf[len++] = '0';
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}
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while ((flags & FLAGS_ZEROPAD) && (len < width) && (len < PICO_PRINTF_NTOA_BUFFER_SIZE)) {
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buf[len++] = '0';
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}
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}
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|
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// handle hash
|
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if (flags & FLAGS_HASH) {
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if (!(flags & FLAGS_PRECISION) && len && ((len == prec) || (len == width))) {
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len--;
|
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if (len && (base == 16U)) {
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len--;
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}
|
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}
|
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if ((base == 16U) && !(flags & FLAGS_UPPERCASE) && (len < PICO_PRINTF_NTOA_BUFFER_SIZE)) {
|
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buf[len++] = 'x';
|
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} else if ((base == 16U) && (flags & FLAGS_UPPERCASE) && (len < PICO_PRINTF_NTOA_BUFFER_SIZE)) {
|
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buf[len++] = 'X';
|
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} else if ((base == 2U) && (len < PICO_PRINTF_NTOA_BUFFER_SIZE)) {
|
||||
buf[len++] = 'b';
|
||||
}
|
||||
if (len < PICO_PRINTF_NTOA_BUFFER_SIZE) {
|
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buf[len++] = '0';
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||||
}
|
||||
}
|
||||
|
||||
if (len < PICO_PRINTF_NTOA_BUFFER_SIZE) {
|
||||
if (negative) {
|
||||
buf[len++] = '-';
|
||||
} else if (flags & FLAGS_PLUS) {
|
||||
buf[len++] = '+'; // ignore the space if the '+' exists
|
||||
} else if (flags & FLAGS_SPACE) {
|
||||
buf[len++] = ' ';
|
||||
}
|
||||
}
|
||||
|
||||
return _out_rev(out, buffer, idx, maxlen, buf, len, width, flags);
|
||||
}
|
||||
|
||||
|
||||
// internal itoa for 'long' type
|
||||
static size_t _ntoa_long(out_fct_type out, char *buffer, size_t idx, size_t maxlen, unsigned long value, bool negative,
|
||||
unsigned long base, unsigned int prec, unsigned int width, unsigned int flags) {
|
||||
char buf[PICO_PRINTF_NTOA_BUFFER_SIZE];
|
||||
size_t len = 0U;
|
||||
|
||||
// no hash for 0 values
|
||||
if (!value) {
|
||||
flags &= ~FLAGS_HASH;
|
||||
}
|
||||
|
||||
// write if precision != 0 and value is != 0
|
||||
if (!(flags & FLAGS_PRECISION) || value) {
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||||
do {
|
||||
const char digit = (char) (value % base);
|
||||
buf[len++] = (char)(digit < 10 ? '0' + digit : (flags & FLAGS_UPPERCASE ? 'A' : 'a') + digit - 10);
|
||||
value /= base;
|
||||
} while (value && (len < PICO_PRINTF_NTOA_BUFFER_SIZE));
|
||||
}
|
||||
|
||||
return _ntoa_format(out, buffer, idx, maxlen, buf, len, negative, (unsigned int) base, prec, width, flags);
|
||||
}
|
||||
|
||||
|
||||
// internal itoa for 'long long' type
|
||||
#if PICO_PRINTF_SUPPORT_LONG_LONG
|
||||
|
||||
static size_t _ntoa_long_long(out_fct_type out, char *buffer, size_t idx, size_t maxlen, unsigned long long value,
|
||||
bool negative, unsigned long long base, unsigned int prec, unsigned int width,
|
||||
unsigned int flags) {
|
||||
char buf[PICO_PRINTF_NTOA_BUFFER_SIZE];
|
||||
size_t len = 0U;
|
||||
|
||||
// no hash for 0 values
|
||||
if (!value) {
|
||||
flags &= ~FLAGS_HASH;
|
||||
}
|
||||
|
||||
// write if precision != 0 and value is != 0
|
||||
if (!(flags & FLAGS_PRECISION) || value) {
|
||||
do {
|
||||
const char digit = (char) (value % base);
|
||||
buf[len++] = (char)(digit < 10 ? '0' + digit : (flags & FLAGS_UPPERCASE ? 'A' : 'a') + digit - 10);
|
||||
value /= base;
|
||||
} while (value && (len < PICO_PRINTF_NTOA_BUFFER_SIZE));
|
||||
}
|
||||
|
||||
return _ntoa_format(out, buffer, idx, maxlen, buf, len, negative, (unsigned int) base, prec, width, flags);
|
||||
}
|
||||
|
||||
#endif // PICO_PRINTF_SUPPORT_LONG_LONG
|
||||
|
||||
|
||||
#if PICO_PRINTF_SUPPORT_FLOAT
|
||||
|
||||
#if PICO_PRINTF_SUPPORT_EXPONENTIAL
|
||||
// forward declaration so that _ftoa can switch to exp notation for values > PICO_PRINTF_MAX_FLOAT
|
||||
static size_t _etoa(out_fct_type out, char *buffer, size_t idx, size_t maxlen, double value, unsigned int prec,
|
||||
unsigned int width, unsigned int flags);
|
||||
#endif
|
||||
|
||||
#define is_nan __builtin_isnan
|
||||
|
||||
// internal ftoa for fixed decimal floating point
|
||||
static size_t _ftoa(out_fct_type out, char *buffer, size_t idx, size_t maxlen, double value, unsigned int prec,
|
||||
unsigned int width, unsigned int flags) {
|
||||
char buf[PICO_PRINTF_FTOA_BUFFER_SIZE];
|
||||
size_t len = 0U;
|
||||
double diff = 0.0;
|
||||
|
||||
// powers of 10
|
||||
static const double pow10[] = {1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000};
|
||||
|
||||
// test for special values
|
||||
if (is_nan(value))
|
||||
return _out_rev(out, buffer, idx, maxlen, "nan", 3, width, flags);
|
||||
if (value < -DBL_MAX)
|
||||
return _out_rev(out, buffer, idx, maxlen, "fni-", 4, width, flags);
|
||||
if (value > DBL_MAX)
|
||||
return _out_rev(out, buffer, idx, maxlen, (flags & FLAGS_PLUS) ? "fni+" : "fni", (flags & FLAGS_PLUS) ? 4U : 3U,
|
||||
width, flags);
|
||||
|
||||
// test for very large values
|
||||
// standard printf behavior is to print EVERY whole number digit -- which could be 100s of characters overflowing your buffers == bad
|
||||
if ((value > PICO_PRINTF_MAX_FLOAT) || (value < -PICO_PRINTF_MAX_FLOAT)) {
|
||||
#if PICO_PRINTF_SUPPORT_EXPONENTIAL
|
||||
return _etoa(out, buffer, idx, maxlen, value, prec, width, flags);
|
||||
#else
|
||||
return 0U;
|
||||
#endif
|
||||
}
|
||||
|
||||
// test for negative
|
||||
bool negative = false;
|
||||
if (value < 0) {
|
||||
negative = true;
|
||||
value = 0 - value;
|
||||
}
|
||||
|
||||
// set default precision, if not set explicitly
|
||||
if (!(flags & FLAGS_PRECISION)) {
|
||||
prec = PICO_PRINTF_DEFAULT_FLOAT_PRECISION;
|
||||
}
|
||||
// limit precision to 9, cause a prec >= 10 can lead to overflow errors
|
||||
while ((len < PICO_PRINTF_FTOA_BUFFER_SIZE) && (prec > 9U)) {
|
||||
buf[len++] = '0';
|
||||
prec--;
|
||||
}
|
||||
|
||||
int whole = (int) value;
|
||||
double tmp = (value - whole) * pow10[prec];
|
||||
unsigned long frac = (unsigned long) tmp;
|
||||
diff = tmp - frac;
|
||||
|
||||
if (diff > 0.5) {
|
||||
++frac;
|
||||
// handle rollover, e.g. case 0.99 with prec 1 is 1.0
|
||||
if (frac >= pow10[prec]) {
|
||||
frac = 0;
|
||||
++whole;
|
||||
}
|
||||
} else if (diff < 0.5) {
|
||||
} else if ((frac == 0U) || (frac & 1U)) {
|
||||
// if halfway, round up if odd OR if last digit is 0
|
||||
++frac;
|
||||
}
|
||||
|
||||
if (prec == 0U) {
|
||||
diff = value - (double) whole;
|
||||
if (!((diff < 0.5) || (diff > 0.5)) && (whole & 1)) {
|
||||
// exactly 0.5 and ODD, then round up
|
||||
// 1.5 -> 2, but 2.5 -> 2
|
||||
++whole;
|
||||
}
|
||||
} else {
|
||||
unsigned int count = prec;
|
||||
// now do fractional part, as an unsigned number
|
||||
while (len < PICO_PRINTF_FTOA_BUFFER_SIZE) {
|
||||
--count;
|
||||
buf[len++] = (char) (48U + (frac % 10U));
|
||||
if (!(frac /= 10U)) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
// add extra 0s
|
||||
while ((len < PICO_PRINTF_FTOA_BUFFER_SIZE) && (count-- > 0U)) {
|
||||
buf[len++] = '0';
|
||||
}
|
||||
if (len < PICO_PRINTF_FTOA_BUFFER_SIZE) {
|
||||
// add decimal
|
||||
buf[len++] = '.';
|
||||
}
|
||||
}
|
||||
|
||||
// do whole part, number is reversed
|
||||
while (len < PICO_PRINTF_FTOA_BUFFER_SIZE) {
|
||||
buf[len++] = (char) (48 + (whole % 10));
|
||||
if (!(whole /= 10)) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// pad leading zeros
|
||||
if (!(flags & FLAGS_LEFT) && (flags & FLAGS_ZEROPAD)) {
|
||||
if (width && (negative || (flags & (FLAGS_PLUS | FLAGS_SPACE)))) {
|
||||
width--;
|
||||
}
|
||||
while ((len < width) && (len < PICO_PRINTF_FTOA_BUFFER_SIZE)) {
|
||||
buf[len++] = '0';
|
||||
}
|
||||
}
|
||||
|
||||
if (len < PICO_PRINTF_FTOA_BUFFER_SIZE) {
|
||||
if (negative) {
|
||||
buf[len++] = '-';
|
||||
} else if (flags & FLAGS_PLUS) {
|
||||
buf[len++] = '+'; // ignore the space if the '+' exists
|
||||
} else if (flags & FLAGS_SPACE) {
|
||||
buf[len++] = ' ';
|
||||
}
|
||||
}
|
||||
|
||||
return _out_rev(out, buffer, idx, maxlen, buf, len, width, flags);
|
||||
}
|
||||
|
||||
|
||||
#if PICO_PRINTF_SUPPORT_EXPONENTIAL
|
||||
|
||||
// internal ftoa variant for exponential floating-point type, contributed by Martijn Jasperse <m.jasperse@gmail.com>
|
||||
static size_t _etoa(out_fct_type out, char *buffer, size_t idx, size_t maxlen, double value, unsigned int prec,
|
||||
unsigned int width, unsigned int flags) {
|
||||
// check for NaN and special values
|
||||
if (is_nan(value) || (value > DBL_MAX) || (value < -DBL_MAX)) {
|
||||
return _ftoa(out, buffer, idx, maxlen, value, prec, width, flags);
|
||||
}
|
||||
|
||||
// determine the sign
|
||||
const bool negative = value < 0;
|
||||
if (negative) {
|
||||
value = -value;
|
||||
}
|
||||
|
||||
// default precision
|
||||
if (!(flags & FLAGS_PRECISION)) {
|
||||
prec = PICO_PRINTF_DEFAULT_FLOAT_PRECISION;
|
||||
}
|
||||
|
||||
// determine the decimal exponent
|
||||
// based on the algorithm by David Gay (https://www.ampl.com/netlib/fp/dtoa.c)
|
||||
union {
|
||||
uint64_t U;
|
||||
double F;
|
||||
} conv;
|
||||
|
||||
conv.F = value;
|
||||
int expval;
|
||||
if (conv.U) {
|
||||
int exp2 = (int) ((conv.U >> 52U) & 0x07FFU) - 1023; // effectively log2
|
||||
conv.U = (conv.U & ((1ULL << 52U) - 1U)) | (1023ULL << 52U); // drop the exponent so conv.F is now in [1,2)
|
||||
// now approximate log10 from the log2 integer part and an expansion of ln around 1.5
|
||||
expval = (int) (0.1760912590558 + exp2 * 0.301029995663981 + (conv.F - 1.5) * 0.289529654602168);
|
||||
// now we want to compute 10^expval but we want to be sure it won't overflow
|
||||
exp2 = (int) (expval * 3.321928094887362 + 0.5);
|
||||
const double z = expval * 2.302585092994046 - exp2 * 0.6931471805599453;
|
||||
const double z2 = z * z;
|
||||
conv.U = (uint64_t) (exp2 + 1023) << 52U;
|
||||
// compute exp(z) using continued fractions, see https://en.wikipedia.org/wiki/Exponential_function#Continued_fractions_for_ex
|
||||
conv.F *= 1 + 2 * z / (2 - z + (z2 / (6 + (z2 / (10 + z2 / 14)))));
|
||||
// correct for rounding errors
|
||||
if (value < conv.F) {
|
||||
expval--;
|
||||
conv.F /= 10;
|
||||
}
|
||||
} else {
|
||||
expval = 0;
|
||||
}
|
||||
|
||||
// the exponent format is "%+03d" and largest value is "307", so set aside 4-5 characters
|
||||
unsigned int minwidth = ((expval < 100) && (expval > -100)) ? 4U : 5U;
|
||||
|
||||
// in "%g" mode, "prec" is the number of *significant figures* not decimals
|
||||
if (flags & FLAGS_ADAPT_EXP) {
|
||||
// do we want to fall-back to "%f" mode?
|
||||
if ((conv.U == 0) || ((value >= 1e-4) && (value < 1e6))) {
|
||||
if ((int) prec > expval) {
|
||||
prec = (unsigned) ((int) prec - expval - 1);
|
||||
} else {
|
||||
prec = 0;
|
||||
}
|
||||
flags |= FLAGS_PRECISION; // make sure _ftoa respects precision
|
||||
// no characters in exponent
|
||||
minwidth = 0U;
|
||||
expval = 0;
|
||||
} else {
|
||||
// we use one sigfig for the whole part
|
||||
if ((prec > 0) && (flags & FLAGS_PRECISION)) {
|
||||
--prec;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// will everything fit?
|
||||
unsigned int fwidth = width;
|
||||
if (width > minwidth) {
|
||||
// we didn't fall-back so subtract the characters required for the exponent
|
||||
fwidth -= minwidth;
|
||||
} else {
|
||||
// not enough characters, so go back to default sizing
|
||||
fwidth = 0U;
|
||||
}
|
||||
if ((flags & FLAGS_LEFT) && minwidth) {
|
||||
// if we're padding on the right, DON'T pad the floating part
|
||||
fwidth = 0U;
|
||||
}
|
||||
|
||||
// rescale the float value
|
||||
if (expval) {
|
||||
value /= conv.F;
|
||||
}
|
||||
|
||||
// output the floating part
|
||||
const size_t start_idx = idx;
|
||||
idx = _ftoa(out, buffer, idx, maxlen, negative ? -value : value, prec, fwidth, flags & ~FLAGS_ADAPT_EXP);
|
||||
|
||||
// output the exponent part
|
||||
if (minwidth) {
|
||||
// output the exponential symbol
|
||||
out((flags & FLAGS_UPPERCASE) ? 'E' : 'e', buffer, idx++, maxlen);
|
||||
// output the exponent value
|
||||
idx = _ntoa_long(out, buffer, idx, maxlen, (uint)((expval < 0) ? -expval : expval), expval < 0, 10, 0, minwidth - 1,
|
||||
FLAGS_ZEROPAD | FLAGS_PLUS);
|
||||
// might need to right-pad spaces
|
||||
if (flags & FLAGS_LEFT) {
|
||||
while (idx - start_idx < width) out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
return idx;
|
||||
}
|
||||
|
||||
#endif // PICO_PRINTF_SUPPORT_EXPONENTIAL
|
||||
#endif // PICO_PRINTF_SUPPORT_FLOAT
|
||||
|
||||
// internal vsnprintf
|
||||
static int _vsnprintf(out_fct_type out, char *buffer, const size_t maxlen, const char *format, va_list va) {
|
||||
#if !PICO_PRINTF_ALWAYS_INCLUDED
|
||||
lazy_vsnprintf = _vsnprintf;
|
||||
#endif
|
||||
unsigned int flags, width, precision, n;
|
||||
size_t idx = 0U;
|
||||
|
||||
if (!buffer) {
|
||||
// use null output function
|
||||
out = _out_null;
|
||||
}
|
||||
|
||||
while (*format) {
|
||||
// format specifier? %[flags][width][.precision][length]
|
||||
if (*format != '%') {
|
||||
// no
|
||||
out(*format, buffer, idx++, maxlen);
|
||||
format++;
|
||||
continue;
|
||||
} else {
|
||||
// yes, evaluate it
|
||||
format++;
|
||||
}
|
||||
|
||||
// evaluate flags
|
||||
flags = 0U;
|
||||
do {
|
||||
switch (*format) {
|
||||
case '0':
|
||||
flags |= FLAGS_ZEROPAD;
|
||||
format++;
|
||||
n = 1U;
|
||||
break;
|
||||
case '-':
|
||||
flags |= FLAGS_LEFT;
|
||||
format++;
|
||||
n = 1U;
|
||||
break;
|
||||
case '+':
|
||||
flags |= FLAGS_PLUS;
|
||||
format++;
|
||||
n = 1U;
|
||||
break;
|
||||
case ' ':
|
||||
flags |= FLAGS_SPACE;
|
||||
format++;
|
||||
n = 1U;
|
||||
break;
|
||||
case '#':
|
||||
flags |= FLAGS_HASH;
|
||||
format++;
|
||||
n = 1U;
|
||||
break;
|
||||
default :
|
||||
n = 0U;
|
||||
break;
|
||||
}
|
||||
} while (n);
|
||||
|
||||
// evaluate width field
|
||||
width = 0U;
|
||||
if (_is_digit(*format)) {
|
||||
width = _atoi(&format);
|
||||
} else if (*format == '*') {
|
||||
const int w = va_arg(va, int);
|
||||
if (w < 0) {
|
||||
flags |= FLAGS_LEFT; // reverse padding
|
||||
width = (unsigned int) -w;
|
||||
} else {
|
||||
width = (unsigned int) w;
|
||||
}
|
||||
format++;
|
||||
}
|
||||
|
||||
// evaluate precision field
|
||||
precision = 0U;
|
||||
if (*format == '.') {
|
||||
flags |= FLAGS_PRECISION;
|
||||
format++;
|
||||
if (_is_digit(*format)) {
|
||||
precision = _atoi(&format);
|
||||
} else if (*format == '*') {
|
||||
const int prec = (int) va_arg(va, int);
|
||||
precision = prec > 0 ? (unsigned int) prec : 0U;
|
||||
format++;
|
||||
}
|
||||
}
|
||||
|
||||
// evaluate length field
|
||||
switch (*format) {
|
||||
case 'l' :
|
||||
flags |= FLAGS_LONG;
|
||||
format++;
|
||||
if (*format == 'l') {
|
||||
flags |= FLAGS_LONG_LONG;
|
||||
format++;
|
||||
}
|
||||
break;
|
||||
case 'h' :
|
||||
flags |= FLAGS_SHORT;
|
||||
format++;
|
||||
if (*format == 'h') {
|
||||
flags |= FLAGS_CHAR;
|
||||
format++;
|
||||
}
|
||||
break;
|
||||
#if PICO_PRINTF_SUPPORT_PTRDIFF_T
|
||||
case 't' :
|
||||
flags |= (sizeof(ptrdiff_t) == sizeof(long) ? FLAGS_LONG : FLAGS_LONG_LONG);
|
||||
format++;
|
||||
break;
|
||||
#endif
|
||||
case 'j' :
|
||||
flags |= (sizeof(intmax_t) == sizeof(long) ? FLAGS_LONG : FLAGS_LONG_LONG);
|
||||
format++;
|
||||
break;
|
||||
case 'z' :
|
||||
flags |= (sizeof(size_t) == sizeof(long) ? FLAGS_LONG : FLAGS_LONG_LONG);
|
||||
format++;
|
||||
break;
|
||||
default :
|
||||
break;
|
||||
}
|
||||
|
||||
// evaluate specifier
|
||||
switch (*format) {
|
||||
case 'd' :
|
||||
case 'i' :
|
||||
case 'u' :
|
||||
case 'x' :
|
||||
case 'X' :
|
||||
case 'o' :
|
||||
case 'b' : {
|
||||
// set the base
|
||||
unsigned int base;
|
||||
if (*format == 'x' || *format == 'X') {
|
||||
base = 16U;
|
||||
} else if (*format == 'o') {
|
||||
base = 8U;
|
||||
} else if (*format == 'b') {
|
||||
base = 2U;
|
||||
} else {
|
||||
base = 10U;
|
||||
flags &= ~FLAGS_HASH; // no hash for dec format
|
||||
}
|
||||
// uppercase
|
||||
if (*format == 'X') {
|
||||
flags |= FLAGS_UPPERCASE;
|
||||
}
|
||||
|
||||
// no plus or space flag for u, x, X, o, b
|
||||
if ((*format != 'i') && (*format != 'd')) {
|
||||
flags &= ~(FLAGS_PLUS | FLAGS_SPACE);
|
||||
}
|
||||
|
||||
// ignore '0' flag when precision is given
|
||||
if (flags & FLAGS_PRECISION) {
|
||||
flags &= ~FLAGS_ZEROPAD;
|
||||
}
|
||||
|
||||
// convert the integer
|
||||
if ((*format == 'i') || (*format == 'd')) {
|
||||
// signed
|
||||
if (flags & FLAGS_LONG_LONG) {
|
||||
#if PICO_PRINTF_SUPPORT_LONG_LONG
|
||||
const long long value = va_arg(va, long long);
|
||||
idx = _ntoa_long_long(out, buffer, idx, maxlen,
|
||||
(unsigned long long) (value > 0 ? value : 0 - value), value < 0, base,
|
||||
precision, width, flags);
|
||||
#endif
|
||||
} else if (flags & FLAGS_LONG) {
|
||||
const long value = va_arg(va, long);
|
||||
idx = _ntoa_long(out, buffer, idx, maxlen, (unsigned long) (value > 0 ? value : 0 - value),
|
||||
value < 0, base, precision, width, flags);
|
||||
} else {
|
||||
const int value = (flags & FLAGS_CHAR) ? (char) va_arg(va, int) : (flags & FLAGS_SHORT)
|
||||
? (short int) va_arg(va, int)
|
||||
: va_arg(va, int);
|
||||
idx = _ntoa_long(out, buffer, idx, maxlen, (unsigned int) (value > 0 ? value : 0 - value),
|
||||
value < 0, base, precision, width, flags);
|
||||
}
|
||||
} else {
|
||||
// unsigned
|
||||
if (flags & FLAGS_LONG_LONG) {
|
||||
#if PICO_PRINTF_SUPPORT_LONG_LONG
|
||||
idx = _ntoa_long_long(out, buffer, idx, maxlen, va_arg(va, unsigned long long), false, base,
|
||||
precision, width, flags);
|
||||
#endif
|
||||
} else if (flags & FLAGS_LONG) {
|
||||
idx = _ntoa_long(out, buffer, idx, maxlen, va_arg(va, unsigned long), false, base, precision,
|
||||
width, flags);
|
||||
} else {
|
||||
const unsigned int value = (flags & FLAGS_CHAR) ? (unsigned char) va_arg(va, unsigned int)
|
||||
: (flags & FLAGS_SHORT)
|
||||
? (unsigned short int) va_arg(va,
|
||||
unsigned int)
|
||||
: va_arg(va, unsigned int);
|
||||
idx = _ntoa_long(out, buffer, idx, maxlen, value, false, base, precision, width, flags);
|
||||
}
|
||||
}
|
||||
format++;
|
||||
break;
|
||||
}
|
||||
case 'f' :
|
||||
case 'F' :
|
||||
#if PICO_PRINTF_SUPPORT_FLOAT
|
||||
if (*format == 'F') flags |= FLAGS_UPPERCASE;
|
||||
idx = _ftoa(out, buffer, idx, maxlen, va_arg(va, double), precision, width, flags);
|
||||
#else
|
||||
for(int i=0;i<2;i++) out('?', buffer, idx++, maxlen);
|
||||
va_arg(va, double);
|
||||
#endif
|
||||
format++;
|
||||
break;
|
||||
case 'e':
|
||||
case 'E':
|
||||
case 'g':
|
||||
case 'G':
|
||||
#if PICO_PRINTF_SUPPORT_FLOAT && PICO_PRINTF_SUPPORT_EXPONENTIAL
|
||||
if ((*format == 'g') || (*format == 'G')) flags |= FLAGS_ADAPT_EXP;
|
||||
if ((*format == 'E') || (*format == 'G')) flags |= FLAGS_UPPERCASE;
|
||||
idx = _etoa(out, buffer, idx, maxlen, va_arg(va, double), precision, width, flags);
|
||||
#else
|
||||
for(int i=0;i<2;i++) out('?', buffer, idx++, maxlen);
|
||||
va_arg(va, double);
|
||||
#endif
|
||||
format++;
|
||||
break;
|
||||
case 'c' : {
|
||||
unsigned int l = 1U;
|
||||
// pre padding
|
||||
if (!(flags & FLAGS_LEFT)) {
|
||||
while (l++ < width) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
// char output
|
||||
out((char) va_arg(va, int), buffer, idx++, maxlen);
|
||||
// post padding
|
||||
if (flags & FLAGS_LEFT) {
|
||||
while (l++ < width) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
format++;
|
||||
break;
|
||||
}
|
||||
|
||||
case 's' : {
|
||||
const char *p = va_arg(va, char*);
|
||||
unsigned int l = _strnlen_s(p, precision ? precision : (size_t) -1);
|
||||
// pre padding
|
||||
if (flags & FLAGS_PRECISION) {
|
||||
l = (l < precision ? l : precision);
|
||||
}
|
||||
if (!(flags & FLAGS_LEFT)) {
|
||||
while (l++ < width) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
// string output
|
||||
while ((*p != 0) && (!(flags & FLAGS_PRECISION) || precision--)) {
|
||||
out(*(p++), buffer, idx++, maxlen);
|
||||
}
|
||||
// post padding
|
||||
if (flags & FLAGS_LEFT) {
|
||||
while (l++ < width) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
format++;
|
||||
break;
|
||||
}
|
||||
|
||||
case 'p' : {
|
||||
width = sizeof(void *) * 2U;
|
||||
flags |= FLAGS_ZEROPAD | FLAGS_UPPERCASE;
|
||||
#if PICO_PRINTF_SUPPORT_LONG_LONG
|
||||
const bool is_ll = sizeof(uintptr_t) == sizeof(long long);
|
||||
if (is_ll) {
|
||||
idx = _ntoa_long_long(out, buffer, idx, maxlen, (uintptr_t) va_arg(va, void*), false, 16U,
|
||||
precision, width, flags);
|
||||
} else {
|
||||
#endif
|
||||
idx = _ntoa_long(out, buffer, idx, maxlen, (unsigned long) ((uintptr_t) va_arg(va, void*)), false,
|
||||
16U, precision, width, flags);
|
||||
#if PICO_PRINTF_SUPPORT_LONG_LONG
|
||||
}
|
||||
#endif
|
||||
format++;
|
||||
break;
|
||||
}
|
||||
|
||||
case '%' :
|
||||
out('%', buffer, idx++, maxlen);
|
||||
format++;
|
||||
break;
|
||||
|
||||
default :
|
||||
out(*format, buffer, idx++, maxlen);
|
||||
format++;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// termination
|
||||
out((char) 0, buffer, idx < maxlen ? idx : maxlen - 1U, maxlen);
|
||||
|
||||
// return written chars without terminating \0
|
||||
return (int) idx;
|
||||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
int WRAPPER_FUNC(sprintf)(char *buffer, const char *format, ...) {
|
||||
va_list va;
|
||||
va_start(va, format);
|
||||
const int ret = _vsnprintf(_out_buffer, buffer, (size_t) -1, format, va);
|
||||
va_end(va);
|
||||
return ret;
|
||||
}
|
||||
|
||||
int WRAPPER_FUNC(snprintf)(char *buffer, size_t count, const char *format, ...) {
|
||||
va_list va;
|
||||
va_start(va, format);
|
||||
const int ret = _vsnprintf(_out_buffer, buffer, count, format, va);
|
||||
va_end(va);
|
||||
return ret;
|
||||
}
|
||||
|
||||
int WRAPPER_FUNC(vsnprintf)(char *buffer, size_t count, const char *format, va_list va) {
|
||||
return _vsnprintf(_out_buffer, buffer, count, format, va);
|
||||
}
|
||||
|
||||
int vfctprintf(void (*out)(char character, void *arg), void *arg, const char *format, va_list va) {
|
||||
const out_fct_wrap_type out_fct_wrap = {out, arg};
|
||||
return _vsnprintf(_out_fct, (char *) (uintptr_t) &out_fct_wrap, (size_t) -1, format, va);
|
||||
}
|
||||
|
||||
#if LIB_PICO_PRINTF_PICO
|
||||
#if !PICO_PRINTF_ALWAYS_INCLUDED
|
||||
/**
|
||||
* Output a character to a custom device like UART, used by the printf() function
|
||||
* This function is declared here only. You have to write your custom implementation somewhere
|
||||
* \param character Character to output
|
||||
*/
|
||||
static void _putchar(char character) {
|
||||
putchar(character);
|
||||
}
|
||||
|
||||
// internal _putchar wrapper
|
||||
static inline void _out_char(char character, void *buffer, size_t idx, size_t maxlen) {
|
||||
(void) buffer;
|
||||
(void) idx;
|
||||
(void) maxlen;
|
||||
if (character) {
|
||||
_putchar(character);
|
||||
}
|
||||
}
|
||||
|
||||
bool weak_raw_printf(const char *fmt, ...) {
|
||||
va_list va;
|
||||
va_start(va, fmt);
|
||||
bool rc = weak_raw_vprintf(fmt, va);
|
||||
va_end(va);
|
||||
return rc;
|
||||
}
|
||||
|
||||
bool weak_raw_vprintf(const char *fmt, va_list args) {
|
||||
if (lazy_vsnprintf) {
|
||||
char buffer[1];
|
||||
lazy_vsnprintf(_out_char, buffer, (size_t) -1, fmt, args);
|
||||
return true;
|
||||
} else {
|
||||
puts(fmt);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
29
lib/main/pico-sdk/rp2_common/pico_printf/printf_none.S
Normal file
29
lib/main/pico-sdk/rp2_common/pico_printf/printf_none.S
Normal file
|
|
@ -0,0 +1,29 @@
|
|||
/*
|
||||
* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
|
||||
*
|
||||
* SPDX-License-Identifier: BSD-3-Clause
|
||||
*/
|
||||
|
||||
#include "pico/asm_helper.S"
|
||||
#include "pico/bootrom/sf_table.h"
|
||||
|
||||
pico_default_asm_setup
|
||||
|
||||
wrapper_func sprintf
|
||||
wrapper_func snprintf
|
||||
wrapper_func vsnprintf
|
||||
// pico_stdio may itself overwrite printf, so we want to support that (hence weak), but override it
|
||||
// here to in case pico_stdio is not used
|
||||
weak_wrapper_func printf
|
||||
regular_func printf_none_assert
|
||||
#ifndef __riscv
|
||||
push {lr} // keep stack trace sane
|
||||
ldr r0, =str
|
||||
bl panic
|
||||
#else
|
||||
la a0, str
|
||||
call panic
|
||||
#endif
|
||||
|
||||
str:
|
||||
.asciz "printf support is disabled"
|
||||
Loading…
Add table
Add a link
Reference in a new issue