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This commit is contained in:
Eric Ratliff
2026-02-22 08:07:42 -06:00
parent 54e1ba14d1
commit fe5df7dc6d
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<text x="360" y="20" text-anchor="middle" font-family="Arial" font-size="13" fill="#888">anvil -- terminal</text>
<text x="370" y="20" text-anchor="middle" font-family="Arial" font-size="13" fill="#888">anvil -- from zero to tested in 30 seconds</text>
<!-- Line 1: prompt + command -->
<text y="60" class="l" opacity="0" style="animation: t1 24s infinite">
<tspan x="16" class="pr">$</tspan>
<tspan class="cm"> anvil new weather_station --template weather --board uno</tspan>
</text>
<!-- SCENE 1: Create project -->
<text y="60" class="l" opacity="0" style="animation:s1a 40s infinite"><tspan x="16" class="pr">$</tspan><tspan class="cmd"> anvil new blink --board uno</tspan></text>
<text y="80" class="l" opacity="0" style="animation:s1b 40s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> blink/blink/blink.ino</tspan></text>
<text y="96" class="l" opacity="0" style="animation:s1c 40s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> blink/lib/hal/hal.h</tspan></text>
<text y="112" class="l" opacity="0" style="animation:s1d 40s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> blink/lib/app/blink_app.h</tspan><tspan class="ann"> your code goes here</tspan></text>
<text y="128" class="l" opacity="0" style="animation:s1e 40s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> blink/test/mocks/mock_hal.h, sim_hal.h</tspan></text>
<text y="144" class="l" opacity="0" style="animation:s1f 40s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> blink/test/test_unit.cpp</tspan><tspan class="ann"> your tests go here</tspan></text>
<text y="160" class="l" opacity="0" style="animation:s1g 40s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> blink/build.sh, upload.sh, monitor.sh, test.sh</tspan></text>
<text y="176" class="l" opacity="0" style="animation:s1h 40s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> blink/.anvil.toml, .anvilignore, .gitignore</tspan></text>
<text y="196" class="l" opacity="0" style="animation:s1i 40s infinite"><tspan x="16" class="ok"> done</tspan><tspan class="fl"> Project ready! cd blink</tspan></text>
<text y="232" class="l ann" opacity="0" style="animation:s1j 40s infinite"><tspan x="16">One command. Complete project. No boilerplate to write.</tspan></text>
<text y="252" class="l ann" opacity="0" style="animation:s1k 40s infinite"><tspan x="16">Let's look at what Anvil generated...</tspan></text>
<!-- Lines 2-11: output -->
<text y="78" class="l" opacity="0" style="animation: t2 24s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> weather_station/weather_station/weather_station.ino</tspan></text>
<text y="94" class="l" opacity="0" style="animation: t3 24s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> weather_station/lib/app/weather_app.h</tspan></text>
<text y="110" class="l" opacity="0" style="animation: t4 24s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> weather_station/lib/hal/hal.h</tspan></text>
<text y="126" class="l" opacity="0" style="animation: t5 24s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> weather_station/lib/drivers/tmp36/tmp36.h</tspan></text>
<text y="142" class="l" opacity="0" style="animation: t6 24s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> weather_station/test/test_weather.cpp</tspan></text>
<text y="158" class="l" opacity="0" style="animation: t7 24s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> weather_station/test/test_unit.cpp</tspan></text>
<text y="174" class="l" opacity="0" style="animation: t8 24s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> weather_station/build.sh, build.bat</tspan></text>
<text y="190" class="l" opacity="0" style="animation: t9 24s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> weather_station/.anvil.toml</tspan></text>
<text y="206" class="l" opacity="0" style="animation: t10 24s infinite"><tspan x="16" class="ok"> create</tspan><tspan class="fl"> weather_station/.anvilignore</tspan></text>
<text y="222" class="l dm" opacity="0" style="animation: t11 24s infinite"><tspan x="16"> ... 28 more files</tspan></text>
<text y="240" class="l" opacity="0" style="animation: t12 24s infinite"><tspan x="16" class="ok"> done</tspan><tspan> Project ready. cd weather_station &amp;&amp; ./test.sh</tspan></text>
<!-- SCENE 2: The code is clean -->
<text y="60" class="l" opacity="0" style="animation:s2a 40s infinite"><tspan x="16" class="pr">$</tspan><tspan class="cmd"> cat lib/app/blink_app.h</tspan><tspan class="dm"> // what did Anvil generate?</tspan></text>
<text y="84" class="l" opacity="0" style="animation:s2b 40s infinite"><tspan x="16" class="pp">#include</tspan><tspan class="st"> "hal.h"</tspan><tspan class="dm"> // the only dependency -- no Arduino.h</tspan></text>
<text y="104" class="l" opacity="0" style="animation:s2c 40s infinite"><tspan x="16" class="kw">class</tspan><tspan class="ty"> BlinkApp</tspan><tspan class="op"> {</tspan></text>
<text y="120" class="l" opacity="0" style="animation:s2d 40s infinite"><tspan x="16" class="kw">public:</tspan></text>
<text y="136" class="l" opacity="0" style="animation:s2e 40s infinite"><tspan x="16"> </tspan><tspan class="ty">BlinkApp</tspan><tspan class="op">(</tspan><tspan class="ty">Hal</tspan><tspan class="op">* </tspan><tspan class="pp">hal</tspan><tspan class="op">) : </tspan><tspan class="pp">hal_</tspan><tspan class="op">(</tspan><tspan class="pp">hal</tspan><tspan class="op">) {}</tspan><tspan class="dm"> // real hardware OR test mock</tspan></text>
<text y="156" class="l" opacity="0" style="animation:s2f 40s infinite"><tspan x="16"> </tspan><tspan class="kw">void</tspan><tspan class="fn"> setup</tspan><tspan class="op">() {</tspan></text>
<text y="172" class="l" opacity="0" style="animation:s2g 40s infinite"><tspan x="16"> </tspan><tspan class="pp">hal_</tspan><tspan class="op">-></tspan><tspan class="fn">pinMode</tspan><tspan class="op">(</tspan><tspan class="nm">13</tspan><tspan class="op">, </tspan><tspan class="nm">OUTPUT</tspan><tspan class="op">);</tspan></text>
<text y="188" class="l" opacity="0" style="animation:s2h 40s infinite"><tspan x="16"> }</tspan></text>
<text y="204" class="l" opacity="0" style="animation:s2i 40s infinite"><tspan x="16"> </tspan><tspan class="kw">void</tspan><tspan class="fn"> loop</tspan><tspan class="op">() {</tspan></text>
<text y="220" class="l" opacity="0" style="animation:s2j 40s infinite"><tspan x="16"> </tspan><tspan class="pp">hal_</tspan><tspan class="op">-></tspan><tspan class="fn">digitalWrite</tspan><tspan class="op">(</tspan><tspan class="nm">13</tspan><tspan class="op">, </tspan><tspan class="nm">HIGH</tspan><tspan class="op">);</tspan><tspan class="dm"> // LED on</tspan></text>
<text y="236" class="l" opacity="0" style="animation:s2k 40s infinite"><tspan x="16"> </tspan><tspan class="pp">hal_</tspan><tspan class="op">-></tspan><tspan class="fn">delay</tspan><tspan class="op">(</tspan><tspan class="nm">500</tspan><tspan class="op">);</tspan></text>
<text y="252" class="l" opacity="0" style="animation:s2l 40s infinite"><tspan x="16"> </tspan><tspan class="pp">hal_</tspan><tspan class="op">-></tspan><tspan class="fn">digitalWrite</tspan><tspan class="op">(</tspan><tspan class="nm">13</tspan><tspan class="op">, </tspan><tspan class="nm">LOW</tspan><tspan class="op">);</tspan><tspan class="dm"> // LED off</tspan></text>
<text y="268" class="l" opacity="0" style="animation:s2m 40s infinite"><tspan x="16"> </tspan><tspan class="pp">hal_</tspan><tspan class="op">-></tspan><tspan class="fn">delay</tspan><tspan class="op">(</tspan><tspan class="nm">500</tspan><tspan class="op">);</tspan></text>
<text y="284" class="l" opacity="0" style="animation:s2m 40s infinite"><tspan x="16"> }</tspan></text>
<text y="300" class="l" opacity="0" style="animation:s2n 40s infinite"><tspan x="16" class="op">};</tspan></text>
<text y="332" class="l ann" opacity="0" style="animation:s2o 40s infinite"><tspan x="16">Clean C++. No hardware coupling. Change the delay, add Serial output,</tspan></text>
<text y="350" class="l ann" opacity="0" style="animation:s2p 40s infinite"><tspan x="16">read a sensor -- just edit this file. Now let's test it without a board...</tspan></text>
<!-- Line 13: second command -->
<text y="270" class="l" opacity="0" style="animation: t13 24s infinite">
<tspan x="16" class="pr">$</tspan>
<tspan class="cm"> cd weather_station &amp;&amp; ./test.sh</tspan>
</text>
<!-- Lines 14-18: test output -->
<text y="288" class="l dm" opacity="0" style="animation: t14 24s infinite"><tspan x="16">[==========] Running 14 tests from 4 test suites.</tspan></text>
<text y="304" class="l" opacity="0" style="animation: t15 24s infinite"><tspan x="16" class="ok">[ PASSED ]</tspan><tspan> WeatherMockTest.ReadsTemperature</tspan></text>
<text y="320" class="l" opacity="0" style="animation: t16 24s infinite"><tspan x="16" class="ok">[ PASSED ]</tspan><tspan> WeatherSimTest.NoisyReadingsInRange</tspan></text>
<text y="336" class="l dm" opacity="0" style="animation: t17 24s infinite"><tspan x="16"> ... 10 more tests</tspan></text>
<text y="354" class="l" opacity="0" style="animation: t18 24s infinite"><tspan x="16" class="ok">[ PASSED ]</tspan><tspan> Tmp36PolymorphismTest.AllImplsWorkThroughBasePointer</tspan></text>
<!-- Lines 19-20: summary -->
<text y="374" class="l" opacity="0" style="animation: t19 24s infinite"><tspan x="16" class="ok">[==========]</tspan><tspan> 14 tests ran. </tspan><tspan class="nm">(12 ms total)</tspan></text>
<text y="390" class="l" opacity="0" style="animation: t20 24s infinite"><tspan x="16" class="ok">[ PASSED ] 14 tests.</tspan></text>
<!-- Line 21: third command -->
<text y="414" class="l" opacity="0" style="animation: t23 24s infinite">
<tspan x="16" class="pr">$</tspan>
<tspan class="cm"> ./upload.sh --monitor</tspan>
</text>
<!-- Blinking cursor -->
<rect x="210" y="404" width="8" height="15" fill="#58d0f0" opacity="0" style="animation: t23 24s infinite, cursor 1s step-end infinite"/>
<!-- SCENE 3: Test it -->
<text y="60" class="l" opacity="0" style="animation:s3a 40s infinite"><tspan x="16" class="pr">$</tspan><tspan class="cmd"> cat test/test_unit.cpp</tspan><tspan class="dm"> // the student writes a quick test</tspan></text>
<text y="84" class="l" opacity="0" style="animation:s3b 40s infinite"><tspan x="16" class="pp">#include</tspan><tspan class="st"> "blink_app.h"</tspan></text>
<text y="100" class="l" opacity="0" style="animation:s3b 40s infinite"><tspan x="16" class="pp">#include</tspan><tspan class="st"> "sim_hal.h"</tspan><tspan class="dm"> // simulated Arduino -- runs on laptop</tspan></text>
<text y="120" class="l" opacity="0" style="animation:s3c 40s infinite"><tspan x="16" class="fn">TEST</tspan><tspan class="op">(BlinkTest, LedTurnsOn) {</tspan></text>
<text y="136" class="l" opacity="0" style="animation:s3d 40s infinite"><tspan x="16"> </tspan><tspan class="ty">SimHal</tspan><tspan class="pp"> hal</tspan><tspan class="op">;</tspan><tspan class="dm"> // fake hardware</tspan></text>
<text y="152" class="l" opacity="0" style="animation:s3e 40s infinite"><tspan x="16"> </tspan><tspan class="ty">BlinkApp</tspan><tspan class="pp"> app</tspan><tspan class="op">(&amp;</tspan><tspan class="pp">hal</tspan><tspan class="op">);</tspan><tspan class="dm"> // inject it</tspan></text>
<text y="168" class="l" opacity="0" style="animation:s3f 40s infinite"><tspan x="16"> </tspan><tspan class="pp">app</tspan><tspan class="op">.</tspan><tspan class="fn">setup</tspan><tspan class="op">();</tspan></text>
<text y="184" class="l" opacity="0" style="animation:s3g 40s infinite"><tspan x="16"> </tspan><tspan class="pp">app</tspan><tspan class="op">.</tspan><tspan class="fn">loop</tspan><tspan class="op">();</tspan></text>
<text y="200" class="l" opacity="0" style="animation:s3h 40s infinite"><tspan x="16"> </tspan><tspan class="fn">EXPECT_EQ</tspan><tspan class="op">(</tspan><tspan class="pp">hal</tspan><tspan class="op">.</tspan><tspan class="fn">getPin</tspan><tspan class="op">(</tspan><tspan class="nm">13</tspan><tspan class="op">), </tspan><tspan class="nm">LOW</tspan><tspan class="op">);</tspan><tspan class="dm"> // ended on LOW after blink</tspan></text>
<text y="216" class="l" opacity="0" style="animation:s3i 40s infinite"><tspan x="16" class="op">}</tspan></text>
<text y="244" class="l" opacity="0" style="animation:s3j 40s infinite"><tspan x="16" class="pr">$</tspan><tspan class="cmd"> ./test.sh</tspan></text>
<text y="268" class="l dm" opacity="0" style="animation:s3k 40s infinite"><tspan x="16">[==========] Running 3 tests from 2 test suites.</tspan></text>
<text y="284" class="l" opacity="0" style="animation:s3l 40s infinite"><tspan x="16" class="ok">[ PASSED ]</tspan><tspan class="fl"> BlinkTest.LedTurnsOn</tspan></text>
<text y="300" class="l" opacity="0" style="animation:s3l 40s infinite"><tspan x="16" class="ok">[ PASSED ]</tspan><tspan class="fl"> BlinkTest.LedToggles</tspan></text>
<text y="316" class="l" opacity="0" style="animation:s3m 40s infinite"><tspan x="16" class="ok">[ PASSED ]</tspan><tspan class="fl"> BlinkTest.SetsPinMode</tspan></text>
<text y="336" class="l" opacity="0" style="animation:s3n 40s infinite"><tspan x="16" class="ok">[ PASSED ] 3 tests.</tspan><tspan class="hl"> (8 ms)</tspan></text>
<text y="364" class="l" opacity="0" style="animation:s3o 40s infinite"><tspan x="16" class="pr">$</tspan><tspan class="cmd"> ./upload.sh --monitor</tspan></text>
<text y="384" class="l" opacity="0" style="animation:s3p 40s infinite"><tspan x="16" class="ok">Upload complete.</tspan><tspan class="fl"> Opening serial monitor at 115200 baud.</tspan></text>
<text y="416" class="l ann" opacity="0" style="animation:s3q 40s infinite"><tspan x="16">Tests run on your laptop in milliseconds. No board needed.</tspan></text>
<text y="436" class="l ann" opacity="0" style="animation:s3r 40s infinite"><tspan x="16">Find bugs in 5 minutes instead of 2 hours staring at a serial monitor.</tspan></text>
<rect x="16" y="456" width="8" height="14" fill="#58d0f0" opacity="0" style="animation:s3r 40s infinite, cursor 1s step-end infinite"/>
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