mirror of
https://github.com/FreeRTOS/FreeRTOS.git
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dc491debe7
LTS development changes have Source, Demo, and dependencies added for FreeRTOS-IoT-Libraries. These libraries are using FreeRTOS kernel, FreeRTOS-Plus-TCP, and FreeRTOS-Plus-Trace of V10.3.0 tag. FreeRTOS_Plus_TCP and FreeRTOS_Plus_Trace are as used as is, but a few changes are made to FreeRTOS as listed below.
Removed FreeRTOS/Demo.
Updated FreeRTOS/readme.txt to remove mentions about the demos.
Removed FreeRTOS/links_to_doc_pages_for_the_demo_projects.url file as there are no demos present.
68 lines
1.9 KiB
Markdown
Executable File
68 lines
1.9 KiB
Markdown
Executable File
# Overview
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This is a copy of [intel/tinycbor](https://github.com/intel/tinycbor), except for the deviations listed herein.
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**The current version in this subdirectory is 0.5.2. As part of future updates, please merge/reapply the modifications described below.**
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## Excluded "Cbor To Json"
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Three files are excluded: cborjson.h, cbortojson.c, open_memstream.c.
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- They are not required by FreeRTOS.
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- They don't compile with "make" in the Espressif build environment.
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- Not every compiler defines "FILE" data type.
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## Modified "compilersupport_p.h"
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1. Disable optimization for TI.
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```
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#if !defined(__TI_COMPILER_VERSION__) || __TI_COMPILER_VERSION__ < 18000000
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```
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2. Comment out function mappint to standard ntohs or htons.
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```
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//# include <netinet/in.h>
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//# define cbor_ntohs ntohs
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//# define cbor_htons htons
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```
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3. Implement default cbor_ntohll with cbor_ntohl, instead of undefined ntohl.
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```
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define ntohll(x) ((cbor_ntohl((uint32_t)(x)) * UINT64_C(0x100000000)) + (cbor_ntohl((x) >> 32)))
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```
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4. Add IAR compiler support.
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This code is copied from [ARMmbed/tinycbor](https://github.com/ARMmbed/tinycbor/blob/master/src/compilersupport_p.h)
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```
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#elif defined(__ICCARM__)
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# if __LITTLE_ENDIAN__ == 1
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# include <intrinsics.h>
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# define ntohll(x) ((__REV((uint32_t)(x)) * UINT64_C(0x100000000)) + (__REV((x) >> 32)))
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# define htonll ntohll
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# define cbor_ntohl __REV
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# define cbor_htonl __REV
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# define cbor_ntohs __REVSH
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# define cbor_htons __REVSH
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# else
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# define cbor_ntohll
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# define cbor_htonll
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# define cbor_ntohl
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# define cbor_htonl
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# define cbor_ntohs
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# define cbor_htons
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# endif
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```
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## Modified "cborvalidation.c"
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Initialize local variable in function validate_floating_point; otherwise it is a may-not-be-initialized error when compiling with "make" on ESP.
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```
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// In function: validate_floating_point(CborValue *it, CborType type, uint32_t flags)
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float valf = 0.0;
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```
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