forked from M-Labs/zynq-rs
libboard_zynq: impl embedded_hal serial write traits for Uart
This commit is contained in:
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61e67520d1
commit
04c47b9bdb
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@ -25,6 +25,15 @@ name = "compiler_builtins"
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version = "0.1.26"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "embedded-hal"
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version = "0.2.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "experiments"
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version = "0.0.0"
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@ -52,8 +61,10 @@ name = "libboard_zynq"
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version = "0.0.0"
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dependencies = [
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"bit_field 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"embedded-hal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"libcortex_a9 0.0.0",
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"libregister 0.0.0",
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"nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"smoltcp 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -106,6 +117,11 @@ name = "managed"
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version = "0.7.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "nb"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "pin-utils"
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version = "0.1.0-alpha.4"
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@ -131,6 +147,11 @@ name = "vcell"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "void"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "volatile-register"
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version = "0.2.0"
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@ -145,11 +166,14 @@ dependencies = [
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"checksum byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
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"checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
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"checksum compiler_builtins 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)" = "036b035e9ebcd705affece16319223d19f229e2358be6e3b7b094e57193312e6"
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"checksum embedded-hal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ee4908a155094da7723c2d60d617b820061e3b4efcc3d9e293d206a5a76c170b"
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"checksum linked_list_allocator 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5825aea823c659d0fdcdbe8c9b78baf56f3a10365d783db874f6d360df72626f"
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"checksum log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
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"checksum managed 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fdcec5e97041c7f0f1c5b7d93f12e57293c831c646f4cc7a5db59460c7ea8de6"
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"checksum nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b1411551beb3c11dedfb0a90a0fa256b47d28b9ec2cdff34c25a2fa59e45dbdc"
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"checksum pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5894c618ce612a3fa23881b152b608bafb8c56cfc22f434a3ba3120b40f7b587"
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"checksum r0 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bd7a31eed1591dcbc95d92ad7161908e72f4677f8fabf2a32ca49b4237cbf211"
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"checksum smoltcp 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0fe46639fd2ec79eadf8fe719f237a7a0bd4dac5d957f1ca5bbdbc1c3c39e53a"
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"checksum vcell 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "876e32dcadfe563a4289e994f7cb391197f362b6315dc45e8ba4aa6f564a4b3c"
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"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
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"checksum volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0d67cb4616d99b940db1d6bd28844ff97108b498a6ca850e5b6191a532063286"
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@ -12,6 +12,8 @@ target_cora_z7_10 = []
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[dependencies]
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volatile-register = "0.2"
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bit_field = "0.10"
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embedded-hal = "0.2"
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nb = "0.1"
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libregister = { path = "../libregister" }
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libcortex_a9 = { path = "../libcortex_a9" }
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@ -206,3 +206,28 @@ impl fmt::Write for Uart {
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Ok(())
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}
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}
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/// embedded_hal async API
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impl embedded_hal::serial::Write<u8> for Uart {
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type Error = ();
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fn write(&mut self, b: u8) -> nb::Result<(), ()> {
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if self.tx_fifo_full() {
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Err(nb::Error::WouldBlock)
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} else {
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self.write_byte(b);
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Ok(())
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}
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}
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fn flush(&mut self) -> nb::Result<(), ()> {
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if self.tx_fifo_empty() {
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Ok(())
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} else {
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Err(nb::Error::WouldBlock)
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}
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}
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}
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/// embedded_hal sync API
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impl embedded_hal::blocking::serial::write::Default<u8> for Uart {}
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