finish ethernet test
This commit is contained in:
Zheng-Jiakun
parent
093fceb853
commit
ee394a3ea7
5
.gitignore
vendored
5
.gitignore
vendored
@ -1,2 +1,3 @@
|
||||
/target
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/stm32f1xx-hal
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target/
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stm32f1xx-hal/
|
||||
*.jdebug*
|
||||
176
Cargo.lock
generated
176
Cargo.lock
generated
@ -2,6 +2,12 @@
|
||||
# It is not intended for manual editing.
|
||||
version = 3
|
||||
|
||||
[[package]]
|
||||
name = "aligned"
|
||||
version = "0.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d39da9b88ae1a81c03c9c082b8db83f1d0e93914126041962af61034ab44c4a5"
|
||||
|
||||
[[package]]
|
||||
name = "aligned"
|
||||
version = "0.3.5"
|
||||
@ -23,6 +29,12 @@ dependencies = [
|
||||
"stable_deref_trait",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "autocfg"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
|
||||
|
||||
[[package]]
|
||||
name = "bare-metal"
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||||
version = "0.2.5"
|
||||
@ -38,6 +50,18 @@ version = "0.13.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "46afbd2983a5d5a7bd740ccb198caf5b82f45c40c09c0eed36052d91cb92e719"
|
||||
|
||||
[[package]]
|
||||
name = "bitflags"
|
||||
version = "1.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
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||||
|
||||
[[package]]
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||||
name = "byteorder"
|
||||
version = "1.4.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
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[[package]]
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name = "cast"
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version = "0.2.7"
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@ -47,13 +71,31 @@ dependencies = [
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"rustc_version 0.4.0",
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]
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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||||
|
||||
[[package]]
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||||
name = "cortex-m"
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version = "0.5.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "59971a5cf4dacacaf738dd9d8660875118fce790f800f661893eb20894c1d622"
|
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dependencies = [
|
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"aligned 0.2.0",
|
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"bare-metal",
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"cortex-m 0.6.7",
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"volatile-register",
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]
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[[package]]
|
||||
name = "cortex-m"
|
||||
version = "0.6.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9075300b07c6a56263b9b582c214d0ff037b00d45ec9fde1cc711490c56f1bb9"
|
||||
dependencies = [
|
||||
"aligned",
|
||||
"aligned 0.3.5",
|
||||
"bare-metal",
|
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"bitfield",
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"cortex-m 0.7.3",
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@ -93,6 +135,32 @@ dependencies = [
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"syn",
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]
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[[package]]
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name = "cortex-m-rtic"
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version = "0.5.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9845c4c7f7af19e216a2d00345f7f1507b8907b85cd551e403d68baeec342bb3"
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dependencies = [
|
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"cortex-m 0.6.7",
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"cortex-m-rt",
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"cortex-m-rtic-macros",
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"heapless",
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"rtic-core",
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"version_check",
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]
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[[package]]
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name = "cortex-m-rtic-macros"
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version = "0.5.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cc874eda99515b15e67f03562726a530388f454431096d30131051b52b840559"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"rtic-syntax",
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"syn",
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]
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[[package]]
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name = "embedded-hal"
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version = "0.2.5"
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@ -103,6 +171,18 @@ dependencies = [
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"void",
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||||
]
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||||
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[[package]]
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name = "enc424j600"
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||||
version = "0.2.0"
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||||
source = "git+https://git.m-labs.hk/M-Labs/ENC424J600.git#fbcc3778d27cfbeec7a1395c9b13a00c8a26af9a"
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dependencies = [
|
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"aligned 0.3.5",
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"cortex-m 0.5.11",
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"embedded-hal",
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"smoltcp",
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"volatile-register",
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]
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[[package]]
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name = "generic-array"
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version = "0.12.4"
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@ -131,6 +211,58 @@ dependencies = [
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"version_check",
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]
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[[package]]
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||||
name = "hash32"
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version = "0.1.1"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "d4041af86e63ac4298ce40e5cca669066e75b6f1aa3390fe2561ffa5e1d9f4cc"
|
||||
dependencies = [
|
||||
"byteorder",
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||||
]
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||||
|
||||
[[package]]
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||||
name = "hashbrown"
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||||
version = "0.11.2"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
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||||
|
||||
[[package]]
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||||
name = "heapless"
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||||
version = "0.6.1"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "634bd4d29cbf24424d0a4bfcbf80c6960129dc24424752a7d1d1390607023422"
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||||
dependencies = [
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||||
"as-slice",
|
||||
"generic-array 0.14.4",
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"hash32",
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"stable_deref_trait",
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||||
]
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[[package]]
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||||
name = "indexmap"
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||||
version = "1.7.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
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||||
dependencies = [
|
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"autocfg",
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"hashbrown",
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||||
]
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[[package]]
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name = "log"
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version = "0.4.14"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
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dependencies = [
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"cfg-if",
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]
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[[package]]
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||||
name = "managed"
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||||
version = "0.7.2"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "c75de51135344a4f8ed3cfe2720dc27736f7711989703a0b43aadf3753c55577"
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||||
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||||
[[package]]
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name = "nb"
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version = "0.1.3"
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@ -152,6 +284,15 @@ version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "de96540e0ebde571dc55c73d60ef407c653844e6f9a1e2fdbd40c07b9252d812"
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||||
|
||||
[[package]]
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||||
name = "panic-itm"
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||||
version = "0.4.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3d577d97d1b31268087b6dddf2470e6794ef5eee87d9dca7fcd0481695391a4c"
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||||
dependencies = [
|
||||
"cortex-m 0.7.3",
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||||
]
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||||
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||||
[[package]]
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name = "proc-macro2"
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version = "1.0.28"
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@ -176,6 +317,23 @@ version = "0.2.2"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "e2a38df5b15c8d5c7e8654189744d8e396bddc18ad48041a500ce52d6948941f"
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||||
|
||||
[[package]]
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||||
name = "rtic-core"
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||||
version = "0.3.1"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8bd58a6949de8ff797a346a28d9f13f7b8f54fa61bb5e3cb0985a4efb497a5ef"
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||||
|
||||
[[package]]
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||||
name = "rtic-syntax"
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||||
version = "0.4.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8152fcaa845720d61e6cc570548b89144c2c307f18a480bbd97e55e9f6eeff04"
|
||||
dependencies = [
|
||||
"indexmap",
|
||||
"proc-macro2",
|
||||
"syn",
|
||||
]
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||||
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||||
[[package]]
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||||
name = "rustc_version"
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version = "0.2.3"
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||||
@ -215,6 +373,17 @@ version = "0.7.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
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||||
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||||
[[package]]
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||||
name = "smoltcp"
|
||||
version = "0.7.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3e4a069bef843d170df47e7c0a8bf8d037f217d9f5b325865acc3e466ffe40d3"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"byteorder",
|
||||
"managed",
|
||||
]
|
||||
|
||||
[[package]]
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||||
name = "stable_deref_trait"
|
||||
version = "1.2.0"
|
||||
@ -266,9 +435,14 @@ version = "0.1.0"
|
||||
dependencies = [
|
||||
"cortex-m 0.6.7",
|
||||
"cortex-m-rt",
|
||||
"cortex-m-rtic",
|
||||
"embedded-hal",
|
||||
"enc424j600",
|
||||
"log",
|
||||
"nb 0.1.3",
|
||||
"panic-halt",
|
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"panic-itm",
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"smoltcp",
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"stm32f1xx-hal",
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]
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13
Cargo.toml
13
Cargo.toml
@ -8,11 +8,16 @@ edition = "2018"
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[dependencies]
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embedded-hal = "0.2.3"
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nb = "0.1.2"
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||||
cortex-m = "0.6.2"
|
||||
cortex-m = {version = "0.6.2"}
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cortex-m-rt = "0.6.11"
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cortex-m-rtic = { version = "0.5.3"}
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panic-itm = { version = "0.4" }
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log = { version = "0.4" }
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smoltcp = { version = "0.7.0", default-features = false, features = [ "socket-raw", "proto-ipv4", "proto-ipv6" ]}
|
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# Panic behaviour, see https://crates.io/keywords/panic-impl for alternatives
|
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panic-halt = "0.2.0"
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stm32f1xx-hal = {version = "0.6.1", features = ["rt", "stm32f103", "high"]}
|
||||
|
||||
enc424j600 = { git = "https://git.m-labs.hk/M-Labs/ENC424J600.git", features = ["smoltcp-examples", "cortex-m-cpu"]}
|
||||
|
||||
[dependencies.stm32f1xx-hal]
|
||||
version = "0.6.1"
|
||||
features = ["rt", "stm32f103", "high"]
|
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355
src/main.rs
355
src/main.rs
@ -1,52 +1,321 @@
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//! Blinks an LED
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//!
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//! This assumes that a LED is connected to pc0 as is the case on the blue pill board.
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//!
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||||
//! Note: Without additional hardware, PC0 should not be used to drive an LED, see page 5.1.2 of
|
||||
//! the reference manual for an explanation. This is not an issue on the blue pill.
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#![deny(unsafe_code)]
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#![no_std]
|
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#![no_main]
|
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||||
use panic_halt as _;
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||||
extern crate panic_itm;
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use cortex_m::{iprintln, iprint};
|
||||
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||||
use nb::block;
|
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use embedded_hal::{
|
||||
digital::v2::OutputPin,
|
||||
// blocking::delay::DelayMs
|
||||
};
|
||||
// use stm32f1xx_hal::spi::SpiRegisterBlock;
|
||||
use stm32f1xx_hal::{
|
||||
afio::AfioExt,
|
||||
rcc::RccExt,
|
||||
flash::FlashExt,
|
||||
gpio::GpioExt,
|
||||
time::U32Ext,
|
||||
stm32::ITM,
|
||||
delay::Delay,
|
||||
spi::Spi,
|
||||
// time::Hertz
|
||||
};
|
||||
use enc424j600::smoltcp_phy;
|
||||
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||||
use cortex_m_rt::entry;
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||||
use embedded_hal::digital::v2::OutputPin;
|
||||
use stm32f1xx_hal::{pac, prelude::*, timer::Timer};
|
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use smoltcp::wire::{
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||||
EthernetAddress, IpAddress, IpCidr, Ipv6Cidr
|
||||
};
|
||||
use smoltcp::iface::{NeighborCache, EthernetInterfaceBuilder, EthernetInterface};
|
||||
use smoltcp::socket::{SocketSet, TcpSocket, TcpSocketBuffer};
|
||||
use core::str;
|
||||
use core::fmt::Write;
|
||||
|
||||
#[entry]
|
||||
fn main() -> ! {
|
||||
// Get access to the core peripherals from the cortex-m crate
|
||||
let cp = cortex_m::Peripherals::take().unwrap();
|
||||
// Get access to the device specific peripherals from the peripheral access crate
|
||||
let dp = pac::Peripherals::take().unwrap();
|
||||
/// Timer
|
||||
use core::cell::RefCell;
|
||||
use cortex_m::interrupt::Mutex;
|
||||
use cortex_m_rt::exception;
|
||||
use stm32f1xx_hal::{
|
||||
rcc::Clocks,
|
||||
time::MilliSeconds,
|
||||
timer::{Timer, Event as TimerEvent},
|
||||
stm32::SYST
|
||||
};
|
||||
use smoltcp::time::Instant;
|
||||
|
||||
// Take ownership over the raw flash and rcc devices and convert them into the corresponding
|
||||
// HAL structs
|
||||
let mut flash = dp.FLASH.constrain();
|
||||
let mut rcc = dp.RCC.constrain();
|
||||
/// Rate in Hz
|
||||
const TIMER_RATE: u32 = 20;
|
||||
/// Interval duration in milliseconds
|
||||
const TIMER_DELTA: u32 = 1000 / TIMER_RATE;
|
||||
/// Elapsed time in milliseconds
|
||||
static TIMER_MS: Mutex<RefCell<u32>> = Mutex::new(RefCell::new(0));
|
||||
|
||||
// Freeze the configuration of all the clocks in the system and store the frozen frequencies in
|
||||
// `clocks`
|
||||
let clocks = rcc.cfgr.freeze(&mut flash.acr);
|
||||
|
||||
// Acquire the GPIOC peripheral
|
||||
let mut gpioc = dp.GPIOC.split(&mut rcc.apb2);
|
||||
|
||||
// Configure gpio C pin 0 as a push-pull output. The `crl` register is passed to the function
|
||||
// in order to configure the port. For pins 0-7, crl should be passed instead.
|
||||
let mut led = gpioc.pc0.into_push_pull_output(&mut gpioc.crl);
|
||||
// Configure the syst timer to trigger an update every second
|
||||
let mut timer = Timer::syst(cp.SYST, &clocks).start_count_down(1.hz());
|
||||
|
||||
// Wait for the timer to trigger an update and change the state of the LED
|
||||
loop {
|
||||
block!(timer.wait()).unwrap();
|
||||
led.set_high().unwrap();
|
||||
block!(timer.wait()).unwrap();
|
||||
led.set_low().unwrap();
|
||||
}
|
||||
/// Setup SysTick exception
|
||||
fn timer_setup(syst: SYST, clocks: Clocks) {
|
||||
let timer = Timer::syst(syst, &clocks);
|
||||
timer.start_count_down(TIMER_RATE.hz()).listen(TimerEvent::Update);
|
||||
}
|
||||
|
||||
/// SysTick exception (Timer)
|
||||
#[exception]
|
||||
fn SysTick() {
|
||||
cortex_m::interrupt::free(|cs| {
|
||||
*TIMER_MS.borrow(cs)
|
||||
.borrow_mut() += TIMER_DELTA;
|
||||
});
|
||||
}
|
||||
|
||||
/// Obtain current time in milliseconds
|
||||
pub fn timer_now() -> MilliSeconds {
|
||||
let ms = cortex_m::interrupt::free(|cs| {
|
||||
*TIMER_MS.borrow(cs)
|
||||
.borrow()
|
||||
});
|
||||
ms.ms()
|
||||
}
|
||||
|
||||
///spi
|
||||
use stm32f1xx_hal::{
|
||||
stm32::SPI1,
|
||||
spi::Spi1Remap,
|
||||
gpio::{
|
||||
gpiob::{PB3, PB4, PB5},
|
||||
gpioc::PC13,
|
||||
Alternate, Output, PushPull, Input, Floating
|
||||
}
|
||||
};
|
||||
type SpiEth = enc424j600::Enc424j600<
|
||||
Spi<SPI1, Spi1Remap, (PB3<Alternate<PushPull>>, PB4<Input<Floating>>, PB5<Alternate<PushPull>>)>,
|
||||
PC13<Output<PushPull>>
|
||||
>;
|
||||
|
||||
pub struct NetStorage {
|
||||
ip_addrs: [IpCidr; 1],
|
||||
neighbor_cache: [Option<(IpAddress, smoltcp::iface::Neighbor)>; 8],
|
||||
}
|
||||
|
||||
static mut NET_STORE: NetStorage = NetStorage {
|
||||
// Placeholder for the real IP address, which is initialized at runtime.
|
||||
ip_addrs: [IpCidr::Ipv6(
|
||||
Ipv6Cidr::SOLICITED_NODE_PREFIX,
|
||||
)],
|
||||
neighbor_cache: [None; 8],
|
||||
};
|
||||
|
||||
|
||||
#[rtic::app(device = stm32f1xx_hal::stm32, peripherals = true, monotonic = rtic::cyccnt::CYCCNT)]
|
||||
const APP: () = {
|
||||
struct Resources {
|
||||
eth_iface: EthernetInterface<
|
||||
'static,
|
||||
smoltcp_phy::SmoltcpDevice<SpiEth>>,
|
||||
itm: ITM
|
||||
}
|
||||
|
||||
#[init()]
|
||||
fn init(mut c: init::Context) -> init::LateResources {
|
||||
c.core.SCB.enable_icache();
|
||||
c.core.SCB.enable_dcache(&mut c.core.CPUID);
|
||||
|
||||
// Enable monotonic timer CYCCNT
|
||||
c.core.DWT.enable_cycle_counter();
|
||||
c.core.DCB.enable_trace();
|
||||
|
||||
let mut flash = c.device.FLASH.constrain();
|
||||
let mut rcc = c.device.RCC.constrain();
|
||||
|
||||
let clocks = rcc
|
||||
.cfgr
|
||||
.use_hse(8.mhz())
|
||||
.sysclk(72.mhz())
|
||||
.hclk(72.mhz())
|
||||
.pclk1(36.mhz())
|
||||
.pclk2(72.mhz())
|
||||
.freeze(&mut flash.acr);
|
||||
|
||||
let mut delay = Delay::new(c.core.SYST, clocks);
|
||||
|
||||
// Init ITM
|
||||
let mut itm = c.core.ITM;
|
||||
let stim0 = &mut itm.stim[0];
|
||||
|
||||
iprintln!(stim0,
|
||||
"Eth TCP Server on STM32-F103 via NIC100/ENC424J600");
|
||||
|
||||
// NIC100 / ENC424J600 Set-up
|
||||
let spi1 = c.device.SPI1;
|
||||
let gpioa = c.device.GPIOA.split(&mut rcc.apb2);
|
||||
let mut gpiob = c.device.GPIOB.split(&mut rcc.apb2);
|
||||
let mut gpioc = c.device.GPIOC.split(&mut rcc.apb2);
|
||||
let mut afio = c.device.AFIO.constrain(&mut rcc.apb2);
|
||||
|
||||
let (_pa15, pb3, pb4) = afio.mapr.disable_jtag(gpioa.pa15, gpiob.pb3, gpiob.pb4);
|
||||
let spi1_sck = pb3.into_alternate_push_pull(&mut gpiob.crl);
|
||||
let spi1_miso = pb4;//.into_floating_input(&mut gpiob.crl);
|
||||
let spi1_mosi = gpiob.pb5.into_alternate_push_pull(&mut gpiob.crl);
|
||||
let spi1_nss = gpioc.pc13.into_push_pull_output(&mut gpioc.crh);
|
||||
|
||||
// Create SPI1 for HAL
|
||||
let eth_iface = {
|
||||
let mut spi_eth = {
|
||||
let spi_eth_port = Spi::spi1(
|
||||
spi1,
|
||||
(spi1_sck, spi1_miso, spi1_mosi),
|
||||
&mut afio.mapr,
|
||||
enc424j600::spi::interfaces::SPI_MODE,
|
||||
// Hertz(enc424j600::spi::interfaces::SPI_CLOCK_FREQ),
|
||||
9.mhz(),
|
||||
clocks,
|
||||
&mut rcc.apb2,);
|
||||
|
||||
SpiEth::new(spi_eth_port, spi1_nss)
|
||||
.cpu_freq_mhz(72)
|
||||
};
|
||||
|
||||
// Init controller
|
||||
match spi_eth.reset(&mut delay) {
|
||||
Ok(_) => {
|
||||
iprintln!(stim0, "Initializing Ethernet...")
|
||||
}
|
||||
Err(_) => {
|
||||
panic!("Ethernet initialization failed!")
|
||||
}
|
||||
}
|
||||
|
||||
// Read MAC
|
||||
let mut eth_mac_addr: [u8; 6] = [0; 6];
|
||||
spi_eth.read_mac_addr(&mut eth_mac_addr);
|
||||
for i in 0..6 {
|
||||
let byte = eth_mac_addr[i];
|
||||
match i {
|
||||
0 => iprint!(stim0, "MAC Address = {:02x}-", byte),
|
||||
1..=4 => iprint!(stim0, "{:02x}-", byte),
|
||||
5 => iprint!(stim0, "{:02x}\n", byte),
|
||||
_ => ()
|
||||
};
|
||||
}
|
||||
|
||||
// Init Rx/Tx buffers
|
||||
spi_eth.init_rxbuf();
|
||||
spi_eth.init_txbuf();
|
||||
iprintln!(stim0, "Ethernet controller initialized");
|
||||
|
||||
// Init smoltcp interface
|
||||
let eth_iface = {
|
||||
let device = smoltcp_phy::SmoltcpDevice::new(spi_eth);
|
||||
|
||||
let store = unsafe { &mut NET_STORE };
|
||||
store.ip_addrs[0] = IpCidr::new(IpAddress::v4(192, 168, 1, 88), 24);
|
||||
let neighbor_cache = NeighborCache::new(&mut store.neighbor_cache[..]);
|
||||
|
||||
EthernetInterfaceBuilder::new(device)
|
||||
.ethernet_addr(EthernetAddress(eth_mac_addr))
|
||||
.neighbor_cache(neighbor_cache)
|
||||
.ip_addrs(&mut store.ip_addrs[..])
|
||||
.finalize()
|
||||
};
|
||||
iprintln!(stim0, "Ethernet interface initialized");
|
||||
|
||||
let mut led = gpioc.pc0.into_push_pull_output(&mut gpioc.crl);
|
||||
led.set_high().unwrap();
|
||||
|
||||
eth_iface
|
||||
};
|
||||
|
||||
// Setup SysTick after releasing SYST from Delay
|
||||
// Reference to stm32-eth:examples/ip.rs
|
||||
timer_setup(delay.free(), clocks);
|
||||
iprintln!(stim0, "Timer initialized");
|
||||
|
||||
init::LateResources {
|
||||
eth_iface,
|
||||
itm
|
||||
}
|
||||
}
|
||||
|
||||
#[idle(resources=[eth_iface, itm])]
|
||||
fn idle(c: idle::Context) -> ! {
|
||||
let stim0 = &mut c.resources.itm.stim[0];
|
||||
let iface = c.resources.eth_iface;
|
||||
|
||||
// Copied / modified from smoltcp:
|
||||
// examples/loopback.rs
|
||||
let echo_socket = {
|
||||
static mut TCP_SERVER_RX_DATA: [u8; 1024] = [0; 1024];
|
||||
static mut TCP_SERVER_TX_DATA: [u8; 1024] = [0; 1024];
|
||||
let tcp_rx_buffer = TcpSocketBuffer::new(unsafe { &mut TCP_SERVER_RX_DATA[..] });
|
||||
let tcp_tx_buffer = TcpSocketBuffer::new(unsafe { &mut TCP_SERVER_TX_DATA[..] });
|
||||
TcpSocket::new(tcp_rx_buffer, tcp_tx_buffer)
|
||||
};
|
||||
let greet_socket = {
|
||||
static mut TCP_SERVER_RX_DATA: [u8; 256] = [0; 256];
|
||||
static mut TCP_SERVER_TX_DATA: [u8; 256] = [0; 256];
|
||||
let tcp_rx_buffer = TcpSocketBuffer::new(unsafe { &mut TCP_SERVER_RX_DATA[..] });
|
||||
let tcp_tx_buffer = TcpSocketBuffer::new(unsafe { &mut TCP_SERVER_TX_DATA[..] });
|
||||
TcpSocket::new(tcp_rx_buffer, tcp_tx_buffer)
|
||||
};
|
||||
let mut socket_set_entries = [None, None];
|
||||
let mut socket_set = SocketSet::new(&mut socket_set_entries[..]);
|
||||
let echo_handle = socket_set.add(echo_socket);
|
||||
let greet_handle = socket_set.add(greet_socket);
|
||||
{
|
||||
let store = unsafe { &mut NET_STORE };
|
||||
iprintln!(stim0,
|
||||
"TCP sockets will listen at {}", store.ip_addrs[0].address());
|
||||
}
|
||||
|
||||
// Copied / modified from:
|
||||
// smoltcp:examples/loopback.rs, examples/server.rs;
|
||||
// stm32-eth:examples/ip.rs,
|
||||
// git.m-labs.hk/M-Labs/tnetplug
|
||||
loop {
|
||||
// Poll
|
||||
let now = timer_now().0;
|
||||
let instant = Instant::from_millis(now as i64);
|
||||
match iface.poll(&mut socket_set, instant) {
|
||||
Ok(_) => {
|
||||
},
|
||||
Err(e) => {
|
||||
iprintln!(stim0, "[{}] Poll error: {:?}", instant, e)
|
||||
}
|
||||
}
|
||||
// Control the "echoing" socket (:1234)
|
||||
{
|
||||
let mut socket = socket_set.get::<TcpSocket>(echo_handle);
|
||||
if !socket.is_open() {
|
||||
iprintln!(stim0,
|
||||
"[{}] Listening to port 1234 for echoing, time-out in 10s", instant);
|
||||
socket.listen(1234).unwrap();
|
||||
socket.set_timeout(Some(smoltcp::time::Duration::from_millis(10000)));
|
||||
}
|
||||
if socket.can_recv() {
|
||||
iprintln!(stim0,
|
||||
"[{}] Received packet: {:?}", instant, socket.recv(|buffer| {
|
||||
(buffer.len(), str::from_utf8(buffer).unwrap())
|
||||
}));
|
||||
}
|
||||
}
|
||||
// Control the "greeting" socket (:4321)
|
||||
{
|
||||
let mut socket = socket_set.get::<TcpSocket>(greet_handle);
|
||||
if !socket.is_open() {
|
||||
iprintln!(stim0,
|
||||
"[{}] Listening to port 4321 for greeting, \
|
||||
please connect to the port", instant);
|
||||
socket.listen(4321).unwrap();
|
||||
}
|
||||
|
||||
if socket.can_send() {
|
||||
let greeting = "Welcome to the server demo for STM32F103!";
|
||||
write!(socket, "{}\n", greeting).unwrap();
|
||||
iprintln!(stim0,
|
||||
"[{}] Greeting sent, socket closed", instant);
|
||||
socket.close();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
extern "C" {
|
||||
fn EXTI0();
|
||||
}
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user