2024-09-18 08:58:07 +00:00
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import { _ as _export_sfc, c as createElementBlock, o as openBlock, a8 as createStaticVNode } from "./chunks/framework.Clpp4x2N.js";
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2024-08-26 00:06:22 +00:00
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const __pageData = JSON.parse('{"title":"IS31FL3731 Driver","description":"","frontmatter":{},"headers":[],"relativePath":"drivers/is31fl3731.md","filePath":"drivers/is31fl3731.md"}');
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const _sfc_main = { name: "drivers/is31fl3731.md" };
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const _hoisted_1 = /* @__PURE__ */ createStaticVNode('<h1 id="is31fl3731-driver" tabindex="-1">IS31FL3731 Driver <a class="header-anchor" href="#is31fl3731-driver" aria-label="Permalink to "IS31FL3731 Driver {#is31fl3731-driver}""></a></h1><p>I²C Charlieplexed 16x9 LED matrix driver by Lumissil. Supports a maximum of four drivers, each controlling up to 144 single-color LEDs, or 48 RGB LEDs.</p><p><a href="https://www.lumissil.com/assets/pdf/core/IS31FL3731_DS.pdf" target="_blank" rel="noreferrer">IS31FL3731 Datasheet</a></p><h2 id="usage" tabindex="-1">Usage <a class="header-anchor" href="#usage" aria-label="Permalink to "Usage {#usage}""></a></h2><p>The IS31FL3731 driver code is automatically included if you are using the <a href="./../features/led_matrix">LED Matrix</a> or <a href="./../features/rgb_matrix">RGB Matrix</a> feature with the <code>is31fl3731</code> driver set, and you would use those APIs instead.</p><p>However, if you need to use the driver standalone, add this to your <code>rules.mk</code>:</p><div class="language-make vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">make</span><pre class="shiki shiki-themes github-light github-dark vp-code"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">COMMON_VPATH += </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">$(</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">DRIVER_PATH</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">)</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">/led/issi</span></span>\n<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">SRC += is31fl3731-mono.c </span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"># For single-color</span></span>\n<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">SRC += is31fl3731.c </span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"># For RGB</span></span>\n<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">I2C_DRIVER_REQUIRED = yes</span></span></code></pre></div><h2 id="basic-configuration" tabindex="-1">Basic Configuration <a class="header-anchor" href="#basic-configuration" aria-label="Permalink to "Basic Configuration {#basic-configuration}""></a></h2><p>Add the following to your <code>config.h</code>:</p><table><thead><tr><th>Define</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td><code>IS31FL3731_SDB_PIN</code></td><td><em>Not defined</em></td><td>The GPIO pin connected to the drivers' shutdown pins</td></tr><tr><td><code>IS31FL3731_I2C_TIMEOUT</code></td><td><code>100</code></td><td>The I²C timeout in milliseconds</td></tr><tr><td><code>IS31FL3731_I2C_PERSISTENCE</code></td><td><code>0</code></td><td>The number of times to retry I²C transmissions</td></tr><tr><td><code>IS31FL3731_I2C_ADDRESS_1</code></td><td><em>Not defined</em></td><td>The I²C address of driver 0</td></tr><tr><td><code>IS31FL3731_I2C_ADDRESS_2</code></td><td><em>Not defined</em></td><td>The I²C address of driver 1</td></tr><tr><td><code>IS31FL3731_I2C_ADDRESS_3</code></td><td><em>Not defined</em></td><td>The I²C address of driver 2</td></tr><tr><td><code>IS31FL3731_I2C_ADDRESS_4</code></td><td><em>Not defined</em></td><td>The I²C address of driver 3</td></tr><tr><td><code>IS31FL3731_DEGHOST</code></td><td><em>Not defined</em></td><td>Enable ghost image prevention</td></tr></tbody></table><h3 id="i2c-addressing" tabindex="-1">I²C Addressing <a class="header-anchor" href="#i2c-addressing" aria-label="Permalink to "I²C Addressing {#i2c-addressing}""></a></h3><p>The IS31FL3731 has four possible 7-bit I²C addresses, depending on how the <code>AD</code> pin is connected.</p><p>To configure this, set the <code>IS31FL3731_I2C_ADDRESS_n</code> defines to one of the following in your <code>config.h</code>, where <em>n</em> denotes the driver index:</p><table><thead><tr><th>Define</th><th>Value</th></tr></thead><tbody><tr><td><code>IS31
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const _hoisted_88 = [
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_hoisted_1
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];
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function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
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return openBlock(), createElementBlock("div", null, _hoisted_88);
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}
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const is31fl3731 = /* @__PURE__ */ _export_sfc(_sfc_main, [["render", _sfc_render]]);
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export {
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__pageData,
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is31fl3731 as default
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};
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