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Author SHA1 Message Date
deadprogram 8c54e3dd88 release: update version to 0.36.0
Signed-off-by: deadprogram <ron@hybridgroup.com>
2025-03-03 13:02:59 -08:00
deadprogram 47c0debe4b docs: update CHANGELOG for 0.36.0 release
Signed-off-by: deadprogram <ron@hybridgroup.com>
2025-03-03 13:02:59 -08:00
Randy Reddig 9a1cde40a8 src/reflect: implement Value.Equal
Implementation copied from Go.
2025-03-03 12:14:30 -08:00
Elias Naur 20fc814635 machine: replace hard-coded cpu frequencies on rp2xxx (#4767)
Missed from the earlier change that bumped the rp2350 frequency.
2025-03-02 08:38:29 -03:00
Egawa Takashi 64d8a04308 convert offset as signed int into unsigned int in syscall/js.stringVal in wasm_exec.js 2025-03-01 09:14:57 -08:00
Elias Naur b95effbdd7 machine: bump rp2350 CPUFrequency to 150 MHz (#4766)
Leave rp2040 speed bump to 200 MHz for a future change, because it
requires bumping the core voltage as well[0].

[0] https://github.com/raspberrypi/pico-sdk/releases/tag/2.1.1
2025-03-01 10:09:53 -03:00
Elias Naur 92c130c7be machine: compute rp2 clock dividers from crystal and target frequency (#4747)
Follow-up to #4728 which implemented the algorithm for finding the
dividers.

The calculation is computed at compile time by interp, as verified by
building example/blinky1 for -target pico.
2025-02-28 19:05:27 -03:00
deadprogram 31c4bc1151 license: update for 2025
Signed-off-by: deadprogram <ron@hybridgroup.com>
2025-02-28 20:56:22 +01:00
deadprogram 42f5e55ed5 docs: small corrections for README regarding wasm
Signed-off-by: deadprogram <ron@hybridgroup.com>
2025-02-28 20:56:22 +01:00
deadprogram 81da7bb4c1 targets: add target for pico2-w board
Signed-off-by: deadprogram <ron@hybridgroup.com>
2025-02-28 20:02:35 +01:00
deadprogram 209754493b make: use GOOS and GOARCH for building wasm simulated boards
Signed-off-by: deadprogram <ron@hybridgroup.com>
2025-02-28 18:02:21 +01:00
deadprogram b0aef96340 fix: only infer target for wasm when GOOS and GOARCH are set correctly, not just based on file extension
Signed-off-by: deadprogram <ron@hybridgroup.com>
2025-02-28 18:02:21 +01:00
Ayke van Laethem 056394e24b make: add test-corpus-wasip2
I wanted to run the test corpus with WASIp2 so I added these lines.
2025-02-28 16:16:12 +01:00
Ayke van Laethem 1545659817 internal/syscall/unix: use our own version of this package
The upstream one assumes it's running on a Unix system (which makes
sense), but this package is also used on baremetal. So replace it on
systems that need a replaced syscall package.
2025-02-27 15:45:23 +01:00
21 changed files with 251 additions and 64 deletions
+69
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@@ -1,3 +1,72 @@
0.36.0
---
* **general**
- add initial Go 1.24 support
- add support for LLVM 19
- update license for 2025
- make small corrections for README regarding wasm
- use GOOS and GOARCH for building wasm simulated boards
- only infer target for wasm when GOOS and GOARCH are set correctly, not just based on file extension
- add test-corpus-wasip2
- use older image for cross-compiling builds
- update Linux builds to run on ubuntu-latest since 20.04 is being retired
- ensure build output directory is created
- add NoSandbox flag to chrome headless that is run during WASM tests, since this is now required for Ubuntu 23+ and we are using Ubuntu 24+ when running Github Actions
- update wasmtime used for CI to 29.0.1 to fix issue with install during CI tests
- update to use `Get-CimInstance` as `wmic` is being deprecated on WIndows
- remove unnecessary executable permissions
- `goenv`: update to new v0.36.0 development version
* **compiler**
- `builder`: fix parsing of external ld.lld error messages
- `cgo`: mangle identifier names
- `interp`: correctly mark functions as modifying memory
- add buildmode=wasi-legacy to support existing base of users who expected the older behavior for wasi modules to not return an exit code as if they were reactors
* **standard library**
- `crypto/tls`: add Dialer.DialContext() to fix websocket client
- `crypto/tls`: add VersionTLS constants and VersionName(version uint16) method that turns it into a string, copied from big go
- `internal/syscall/unix`: use our own version of this package
- `machine`: replace hard-coded cpu frequencies on rp2xxx
- `machine`: bump rp2350 CPUFrequency to 150 MHz
- `machine`: compute rp2 clock dividers from crystal and target frequency
- `machine`: remove bytes package dependency in flash code
- `machine/usb/descriptor`: avoid bytes package
- `net`: update to latest submodule with httptest subpackage and ResolveIPAddress implementation
- `os`: add File.Chdir support
- `os`: implement stub Chdir for non-OS systems
- `os/file`: add file.Chmod
- `reflect`: implement Value.Equal
- `runtime`: add FIPS helper functions
- `runtime`: manually initialize xorshift state
- `sync`: move Mutex to internal/task
- `syscall`: add wasip1 RandomGet
- `testing`: add Chdir
- `wasip2`: add stubs to get internal/syscall/unix to work
* **fixes**
- correctly handle calls for GetRNG() when being made from nrf devices with SoftDevice enabled
- fix stm32f103 ADC
- `wasm`: correctly handle id lookup for finalizeRef call
- `wasm`: avoid total failure on wasm finalizer call
- `wasm`: convert offset as signed int into unsigned int in syscall/js.stringVal in wasm_exec.js
* **targets**
- rp2350: add pll generalized solution; fix ADC handles; pwm period fix
- rp2350: extending support to include the rp2350b
- rp2350: cleanup: unexport internal USB and clock package variable, consts and types
- nrf: make ADC resolution changeable
- turn on GC for TKey1 device, since it does in fact work
- match Pico2 stack size to Pico
* **boards**
- add support for Pimoroni Pico Plus2
- add target for pico2-w board
- add comboat_fw tag for elecrow W5 boards with Combo-AT Wifi firmware
- add support for Elecrow Pico rp2350 W5 boards
- add support for Elecrow Pico rp2040 W5 boards
- add support for NRF51 HW-651
- add support for esp32c3-supermini
- add support for waveshare-rp2040-tiny
* **examples**
- add naive debouncing for pininterrupt example
0.35.0 0.35.0
--- ---
* **general** * **general**
+10 -8
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@@ -491,6 +491,8 @@ test-corpus-fast:
CGO_CPPFLAGS="$(CGO_CPPFLAGS)" CGO_CXXFLAGS="$(CGO_CXXFLAGS)" CGO_LDFLAGS="$(CGO_LDFLAGS)" $(GO) test $(GOTESTFLAGS) -timeout=1h -buildmode exe -tags byollvm -run TestCorpus -short . -corpus=testdata/corpus.yaml CGO_CPPFLAGS="$(CGO_CPPFLAGS)" CGO_CXXFLAGS="$(CGO_CXXFLAGS)" CGO_LDFLAGS="$(CGO_LDFLAGS)" $(GO) test $(GOTESTFLAGS) -timeout=1h -buildmode exe -tags byollvm -run TestCorpus -short . -corpus=testdata/corpus.yaml
test-corpus-wasi: wasi-libc test-corpus-wasi: wasi-libc
CGO_CPPFLAGS="$(CGO_CPPFLAGS)" CGO_CXXFLAGS="$(CGO_CXXFLAGS)" CGO_LDFLAGS="$(CGO_LDFLAGS)" $(GO) test $(GOTESTFLAGS) -timeout=1h -buildmode exe -tags byollvm -run TestCorpus . -corpus=testdata/corpus.yaml -target=wasip1 CGO_CPPFLAGS="$(CGO_CPPFLAGS)" CGO_CXXFLAGS="$(CGO_CXXFLAGS)" CGO_LDFLAGS="$(CGO_LDFLAGS)" $(GO) test $(GOTESTFLAGS) -timeout=1h -buildmode exe -tags byollvm -run TestCorpus . -corpus=testdata/corpus.yaml -target=wasip1
test-corpus-wasip2: wasi-libc
CGO_CPPFLAGS="$(CGO_CPPFLAGS)" CGO_CXXFLAGS="$(CGO_CXXFLAGS)" CGO_LDFLAGS="$(CGO_LDFLAGS)" $(GO) test $(GOTESTFLAGS) -timeout=1h -buildmode exe -tags byollvm -run TestCorpus . -corpus=testdata/corpus.yaml -target=wasip2
tinygo-baremetal: tinygo-baremetal:
# Regression tests that run on a baremetal target and don't fit in either main_test.go or smoketest. # Regression tests that run on a baremetal target and don't fit in either main_test.go or smoketest.
@@ -567,21 +569,21 @@ smoketest: testchdir
@$(MD5SUM) test.hex @$(MD5SUM) test.hex
# test simulated boards on play.tinygo.org # test simulated boards on play.tinygo.org
ifneq ($(WASM), 0) ifneq ($(WASM), 0)
$(TINYGO) build -size short -o test.wasm -tags=arduino examples/blinky1 GOOS=js GOARCH=wasm $(TINYGO) build -size short -o test.wasm -tags=arduino examples/blinky1
@$(MD5SUM) test.wasm @$(MD5SUM) test.wasm
$(TINYGO) build -size short -o test.wasm -tags=hifive1b examples/blinky1 GOOS=js GOARCH=wasm $(TINYGO) build -size short -o test.wasm -tags=hifive1b examples/blinky1
@$(MD5SUM) test.wasm @$(MD5SUM) test.wasm
$(TINYGO) build -size short -o test.wasm -tags=reelboard examples/blinky1 GOOS=js GOARCH=wasm $(TINYGO) build -size short -o test.wasm -tags=reelboard examples/blinky1
@$(MD5SUM) test.wasm @$(MD5SUM) test.wasm
$(TINYGO) build -size short -o test.wasm -tags=microbit examples/microbit-blink GOOS=js GOARCH=wasm $(TINYGO) build -size short -o test.wasm -tags=microbit examples/microbit-blink
@$(MD5SUM) test.wasm @$(MD5SUM) test.wasm
$(TINYGO) build -size short -o test.wasm -tags=circuitplay_express examples/blinky1 GOOS=js GOARCH=wasm $(TINYGO) build -size short -o test.wasm -tags=circuitplay_express examples/blinky1
@$(MD5SUM) test.wasm @$(MD5SUM) test.wasm
$(TINYGO) build -size short -o test.wasm -tags=circuitplay_bluefruit examples/blinky1 GOOS=js GOARCH=wasm $(TINYGO) build -size short -o test.wasm -tags=circuitplay_bluefruit examples/blinky1
@$(MD5SUM) test.wasm @$(MD5SUM) test.wasm
$(TINYGO) build -size short -o test.wasm -tags=mch2022 examples/machinetest GOOS=js GOARCH=wasm $(TINYGO) build -size short -o test.wasm -tags=mch2022 examples/machinetest
@$(MD5SUM) test.wasm @$(MD5SUM) test.wasm
$(TINYGO) build -size short -o test.wasm -tags=gopher_badge examples/blinky1 GOOS=js GOARCH=wasm $(TINYGO) build -size short -o test.wasm -tags=gopher_badge examples/blinky1
@$(MD5SUM) test.wasm @$(MD5SUM) test.wasm
endif endif
# test all targets/boards # test all targets/boards
+2 -2
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@@ -1,7 +1,7 @@
Copyright (c) 2018-2023 The TinyGo Authors. All rights reserved. Copyright (c) 2018-2025 The TinyGo Authors. All rights reserved.
TinyGo includes portions of the Go standard library. TinyGo includes portions of the Go standard library.
Copyright (c) 2009-2023 The Go Authors. All rights reserved. Copyright (c) 2009-2024 The Go Authors. All rights reserved.
TinyGo includes portions of LLVM, which is under the Apache License v2.0 with TinyGo includes portions of LLVM, which is under the Apache License v2.0 with
LLVM Exceptions. See https://llvm.org/LICENSE.txt for license information. LLVM Exceptions. See https://llvm.org/LICENSE.txt for license information.
+9 -7
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@@ -48,20 +48,22 @@ Here is a small TinyGo program for use by a WASI host application:
```go ```go
package main package main
//go:wasm-module yourmodulename //go:wasmexport add
//export add
func add(x, y uint32) uint32 { func add(x, y uint32) uint32 {
return x + y return x + y
} }
// main is required for the `wasip1` target, even if it isn't used.
func main() {}
``` ```
This compiles the above TinyGo program for use on any WASI runtime: This compiles the above TinyGo program for use on any WASI Preview 1 runtime:
```shell ```shell
tinygo build -o main.wasm -target=wasip1 main.go tinygo build -buildmode=c-shared -o add.wasm -target=wasip1 add.go
```
You can also use the same syntax as Go 1.24+:
```shell
GOARCH=wasip1 GOOS=wasm tinygo build -buildmode=c-shared -o add.wasm add.go
``` ```
## Installation ## Installation
-1
View File
@@ -69,7 +69,6 @@ func TestClangAttributes(t *testing.T) {
{GOOS: "darwin", GOARCH: "arm64"}, {GOOS: "darwin", GOARCH: "arm64"},
{GOOS: "windows", GOARCH: "amd64"}, {GOOS: "windows", GOARCH: "amd64"},
{GOOS: "windows", GOARCH: "arm64"}, {GOOS: "windows", GOARCH: "arm64"},
{GOOS: "wasip1", GOARCH: "wasm"},
} { } {
name := "GOOS=" + options.GOOS + ",GOARCH=" + options.GOARCH name := "GOOS=" + options.GOOS + ",GOARCH=" + options.GOARCH
if options.GOARCH == "arm" { if options.GOARCH == "arm" {
+3 -28
View File
@@ -356,17 +356,7 @@ func defaultTarget(options *Options) (*TargetSpec, error) {
return nil, fmt.Errorf("invalid GOMIPS=%s: must be hardfloat or softfloat", options.GOMIPS) return nil, fmt.Errorf("invalid GOMIPS=%s: must be hardfloat or softfloat", options.GOMIPS)
} }
case "wasm": case "wasm":
llvmarch = "wasm32" return nil, fmt.Errorf("GOARCH=wasm but GOOS is unset. Please set GOOS to wasm, wasip1, or wasip2.")
spec.CPU = "generic"
spec.Features = "+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types"
spec.BuildTags = append(spec.BuildTags, "tinygo.wasm")
spec.CFlags = append(spec.CFlags,
"-mbulk-memory",
"-mnontrapping-fptoint",
"-mno-multivalue",
"-mno-reference-types",
"-msign-ext",
)
default: default:
return nil, fmt.Errorf("unknown GOARCH=%s", options.GOARCH) return nil, fmt.Errorf("unknown GOARCH=%s", options.GOARCH)
} }
@@ -446,23 +436,8 @@ func defaultTarget(options *Options) (*TargetSpec, error) {
"--no-insert-timestamp", "--no-insert-timestamp",
"--no-dynamicbase", "--no-dynamicbase",
) )
case "wasip1": case "wasm", "wasip1", "wasip2":
spec.GC = "" // use default GC return nil, fmt.Errorf("GOOS=%s but GOARCH is unset. Please set GOARCH to wasm", options.GOOS)
spec.Scheduler = "asyncify"
spec.Linker = "wasm-ld"
spec.RTLib = "compiler-rt"
spec.Libc = "wasi-libc"
spec.DefaultStackSize = 1024 * 64 // 64kB
spec.LDFlags = append(spec.LDFlags,
"--stack-first",
"--no-demangle",
)
spec.Emulator = "wasmtime run --dir={tmpDir}::/tmp {}"
spec.ExtraFiles = append(spec.ExtraFiles,
"src/runtime/asm_tinygowasm.S",
"src/internal/task/task_asyncify_wasm.S",
)
llvmos = "wasi"
default: default:
return nil, fmt.Errorf("unknown GOOS=%s", options.GOOS) return nil, fmt.Errorf("unknown GOOS=%s", options.GOOS)
} }
+1 -1
View File
@@ -10,7 +10,7 @@ import (
// Version of TinyGo. // Version of TinyGo.
// Update this value before release of new version of software. // Update this value before release of new version of software.
const version = "0.36.0-dev" const version = "0.36.0"
// Return TinyGo version, either in the form 0.30.0 or as a development version // Return TinyGo version, either in the form 0.30.0 or as a development version
// (like 0.30.0-dev-abcd012). // (like 0.30.0-dev-abcd012).
+2
View File
@@ -269,6 +269,8 @@ func pathsToOverride(goMinor int, needsSyscallPackage bool) map[string]bool {
if needsSyscallPackage { if needsSyscallPackage {
paths["syscall/"] = true // include syscall/js paths["syscall/"] = true // include syscall/js
paths["internal/syscall/"] = true
paths["internal/syscall/unix/"] = false
} }
return paths return paths
} }
+18 -2
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@@ -1684,8 +1684,24 @@ func main() {
usage(command) usage(command)
os.Exit(1) os.Exit(1)
} }
if options.Target == "" && filepath.Ext(outpath) == ".wasm" { if options.Target == "" {
options.Target = "wasm" switch {
case options.GOARCH == "wasm":
switch options.GOOS {
case "js":
options.Target = "wasm"
case "wasip1":
options.Target = "wasip1"
case "wasip2":
options.Target = "wasip2"
default:
fmt.Fprintln(os.Stderr, "GOARCH=wasm but GOOS is not set correctly. Please set GOOS to wasm, wasip1, or wasip2.")
os.Exit(1)
}
case filepath.Ext(outpath) == ".wasm":
fmt.Fprintln(os.Stderr, "you appear to want to build a wasm file, but have not specified either a target flag, or the GOARCH/GOOS to use.")
os.Exit(1)
}
} }
err := Build(pkgName, outpath, options) err := Build(pkgName, outpath, options)
+7
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@@ -0,0 +1,7 @@
package unix
const (
R_OK = 0x4
W_OK = 0x2
X_OK = 0x1
)
+10
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@@ -0,0 +1,10 @@
package unix
import "syscall"
func Eaccess(path string, mode uint32) error {
// We don't support this syscall on baremetal or wasm.
// Callers are generally able to deal with this since unix.Eaccess also
// isn't available on Android.
return syscall.ENOSYS
}
+12
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@@ -0,0 +1,12 @@
package unix
type GetRandomFlag uintptr
const (
GRND_NONBLOCK GetRandomFlag = 0x0001
GRND_RANDOM GetRandomFlag = 0x0002
)
func GetRandom(p []byte, flags GetRandomFlag) (n int, err error) {
panic("todo: unix.GetRandom")
}
+1
View File
@@ -9,6 +9,7 @@ import (
) )
const ( const (
cpuFreq = 125 * MHz
_NUMBANK0_GPIOS = 30 _NUMBANK0_GPIOS = 30
_NUMBANK0_IRQS = 4 _NUMBANK0_IRQS = 4
_NUMIRQ = 32 _NUMIRQ = 32
+1
View File
@@ -9,6 +9,7 @@ import (
) )
const ( const (
cpuFreq = 150 * MHz
_NUMBANK0_GPIOS = 48 _NUMBANK0_GPIOS = 48
_NUMBANK0_IRQS = 6 _NUMBANK0_IRQS = 6
rp2350ExtraReg = 1 rp2350ExtraReg = 1
+21 -9
View File
@@ -10,7 +10,7 @@ import (
) )
func CPUFrequency() uint32 { func CPUFrequency() uint32 {
return 125 * MHz return cpuFreq
} }
// clockIndex identifies a hardware clock // clockIndex identifies a hardware clock
@@ -137,7 +137,19 @@ func (clk *clock) configure(src, auxsrc, srcFreq, freq uint32) {
} }
const pllsysFB, pllsysPD1, pllsysPD2 uint32 = 125, 6, 2 // RP2040 running 125MHz with 1500MHz VCO. var pllsysFB, pllsysPD1, pllsysPD2 uint32
// Compute clock dividers.
//
// Note that the entire init function is computed at compile time
// by interp.
func init() {
fb, _, pd1, pd2, err := pllSearch{LockRefDiv: 1}.CalcDivs(xoscFreq*MHz, cpuFreq, MHz)
if err != nil {
panic(err)
}
pllsysFB, pllsysPD1, pllsysPD2 = uint32(fb), uint32(pd1), uint32(pd2)
}
// init initializes the clock hardware. // init initializes the clock hardware.
// //
@@ -165,7 +177,7 @@ func (clks *clocksType) init() {
// REF FBDIV VCO POSTDIV // REF FBDIV VCO POSTDIV
// pllSys: 12 / 1 = 12MHz * 125 = 1500MHZ / 6 / 2 = 125MHz // pllSys: 12 / 1 = 12MHz * 125 = 1500MHZ / 6 / 2 = 125MHz
// pllUSB: 12 / 1 = 12MHz * 40 = 480 MHz / 5 / 2 = 48MHz // pllUSB: 12 / 1 = 12MHz * 40 = 480 MHz / 5 / 2 = 48MHz
pllSys.init(1, uint32(pllsysFB), uint32(pllsysPD1), uint32(pllsysPD2)) pllSys.init(1, pllsysFB, pllsysPD1, pllsysPD2)
pllUSB.init(1, 40, 5, 2) pllUSB.init(1, 40, 5, 2)
// Configure clocks // Configure clocks
@@ -173,15 +185,15 @@ func (clks *clocksType) init() {
cref := clks.clock(clkRef) cref := clks.clock(clkRef)
cref.configure(rp.CLOCKS_CLK_REF_CTRL_SRC_XOSC_CLKSRC, cref.configure(rp.CLOCKS_CLK_REF_CTRL_SRC_XOSC_CLKSRC,
0, // No aux mux 0, // No aux mux
12*MHz, xoscFreq,
12*MHz) xoscFreq)
// clkSys = pllSys (125MHz) / 1 = 125MHz // clkSys = pllSys (125MHz) / 1 = 125MHz
csys := clks.clock(clkSys) csys := clks.clock(clkSys)
csys.configure(rp.CLOCKS_CLK_SYS_CTRL_SRC_CLKSRC_CLK_SYS_AUX, csys.configure(rp.CLOCKS_CLK_SYS_CTRL_SRC_CLKSRC_CLK_SYS_AUX,
rp.CLOCKS_CLK_SYS_CTRL_AUXSRC_CLKSRC_PLL_SYS, rp.CLOCKS_CLK_SYS_CTRL_AUXSRC_CLKSRC_PLL_SYS,
125*MHz, cpuFreq,
125*MHz) cpuFreq)
// clkUSB = pllUSB (48MHz) / 1 = 48MHz // clkUSB = pllUSB (48MHz) / 1 = 48MHz
cusb := clks.clock(clkUSB) cusb := clks.clock(clkUSB)
@@ -205,8 +217,8 @@ func (clks *clocksType) init() {
cperi := clks.clock(clkPeri) cperi := clks.clock(clkPeri)
cperi.configure(0, cperi.configure(0,
rp.CLOCKS_CLK_PERI_CTRL_AUXSRC_CLK_SYS, rp.CLOCKS_CLK_PERI_CTRL_AUXSRC_CLK_SYS,
125*MHz, cpuFreq,
125*MHz) cpuFreq)
clks.initTicks() clks.initTicks()
} }
+1 -1
View File
@@ -111,7 +111,7 @@ var errVCOOverflow = errors.New("VCO calculation overflow; use lower MHz")
// //
// Example for 12MHz crystal and RP2350: // Example for 12MHz crystal and RP2350:
// //
// fbdiv, refdiv, pd1, pd2, _ := pllSearch{LockRefDiv:1}.CalcDivs(12*MHz, 133*MHz, MHz) // fbdiv, refdiv, pd1, pd2, _ := pllSearch{LockRefDiv:1}.CalcDivs(12*MHz, 150*MHz, MHz)
type pllSearch struct { type pllSearch struct {
LowerVCO bool LowerVCO bool
LockRefDiv uint8 LockRefDiv uint8
+3 -3
View File
@@ -104,13 +104,13 @@ func (spi SPI) Transfer(w byte) (byte, error) {
} }
func (spi SPI) SetBaudRate(br uint32) error { func (spi SPI) SetBaudRate(br uint32) error {
const freqin uint32 = 125 * MHz
const maxBaud uint32 = 66.5 * MHz // max output frequency is 66.5MHz on rp2040. see Note page 527. const maxBaud uint32 = 66.5 * MHz // max output frequency is 66.5MHz on rp2040. see Note page 527.
// Find smallest prescale value which puts output frequency in range of // Find smallest prescale value which puts output frequency in range of
// post-divide. Prescale is an even number from 2 to 254 inclusive. // post-divide. Prescale is an even number from 2 to 254 inclusive.
var prescale, postdiv uint32 var prescale, postdiv uint32
freq := CPUFrequency()
for prescale = 2; prescale < 255; prescale += 2 { for prescale = 2; prescale < 255; prescale += 2 {
if freqin < (prescale+2)*256*br { if freq < (prescale+2)*256*br {
break break
} }
} }
@@ -120,7 +120,7 @@ func (spi SPI) SetBaudRate(br uint32) error {
// Find largest post-divide which makes output <= baudrate. Post-divide is // Find largest post-divide which makes output <= baudrate. Post-divide is
// an integer in the range 1 to 256 inclusive. // an integer in the range 1 to 256 inclusive.
for postdiv = 256; postdiv > 1; postdiv-- { for postdiv = 256; postdiv > 1; postdiv-- {
if freqin/(prescale*(postdiv-1)) > br { if freq/(prescale*(postdiv-1)) > br {
break break
} }
} }
+1 -1
View File
@@ -75,7 +75,7 @@ func (uart *UART) Configure(config UARTConfig) error {
// SetBaudRate sets the baudrate to be used for the UART. // SetBaudRate sets the baudrate to be used for the UART.
func (uart *UART) SetBaudRate(br uint32) { func (uart *UART) SetBaudRate(br uint32) {
div := 8 * 125 * MHz / br div := 8 * CPUFrequency() / br
ibrd := div >> 7 ibrd := div >> 7
var fbrd uint32 var fbrd uint32
+75 -1
View File
@@ -271,8 +271,82 @@ func (v Value) Comparable() bool {
} }
} }
// Equal reports true if v is equal to u.
// For two invalid values, Equal will report true.
// For an interface value, Equal will compare the value within the interface.
// Otherwise, If the values have different types, Equal will report false.
// Otherwise, for arrays and structs Equal will compare each element in order,
// and report false if it finds non-equal elements.
// During all comparisons, if values of the same type are compared,
// and the type is not comparable, Equal will panic.
//
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
func (v Value) Equal(u Value) bool { func (v Value) Equal(u Value) bool {
panic("unimplemented: reflect.Value.Equal") if v.Kind() == Interface {
v = v.Elem()
}
if u.Kind() == Interface {
u = u.Elem()
}
if !v.IsValid() || !u.IsValid() {
return v.IsValid() == u.IsValid()
}
if v.Kind() != u.Kind() || v.Type() != u.Type() {
return false
}
// Handle each Kind directly rather than calling valueInterface
// to avoid allocating.
switch v.Kind() {
default:
panic("reflect.Value.Equal: invalid Kind")
case Bool:
return v.Bool() == u.Bool()
case Int, Int8, Int16, Int32, Int64:
return v.Int() == u.Int()
case Uint, Uint8, Uint16, Uint32, Uint64, Uintptr:
return v.Uint() == u.Uint()
case Float32, Float64:
return v.Float() == u.Float()
case Complex64, Complex128:
return v.Complex() == u.Complex()
case String:
return v.String() == u.String()
case Chan, Pointer, UnsafePointer:
return v.Pointer() == u.Pointer()
case Array:
// u and v have the same type so they have the same length
vl := v.Len()
if vl == 0 {
// panic on [0]func()
if !v.Type().Elem().Comparable() {
break
}
return true
}
for i := 0; i < vl; i++ {
if !v.Index(i).Equal(u.Index(i)) {
return false
}
}
return true
case Struct:
// u and v have the same type so they have the same fields
nf := v.NumField()
for i := 0; i < nf; i++ {
if !v.Field(i).Equal(u.Field(i)) {
return false
}
}
return true
case Func, Map, Slice:
break
}
panic("reflect.Value.Equal: values of type " + v.Type().String() + " are not comparable")
} }
func (v Value) Addr() Value { func (v Value) Addr() Value {
+4
View File
@@ -0,0 +1,4 @@
{
"inherits": ["pico2"],
"build-tags": ["pico2-w", "cyw43439"]
}
+1
View File
@@ -321,6 +321,7 @@
// func stringVal(value string) ref // func stringVal(value string) ref
"syscall/js.stringVal": (value_ptr, value_len) => { "syscall/js.stringVal": (value_ptr, value_len) => {
value_ptr >>>= 0;
const s = loadString(value_ptr, value_len); const s = loadString(value_ptr, value_len);
return boxValue(s); return boxValue(s);
}, },