forked from Makuna/NeoPixelBus
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/*
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NeoPixelEsp8266.h - NeoPixel library helper functions for Esp8266 using cycle count
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Copyright (c) 2015 Michael C. Miller. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <Arduino.h>
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#include <eagle_soc.h>
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#include "uart_register.h"
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#if defined(ESP8266)
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#define UART_INV_MASK (0x3f<<19)
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#define UART 1
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const char data[4] = { 0b00110111, 0b00000111, 0b00110100, 0b00000100 };
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void ICACHE_RAM_ATTR send_pixels_UART(uint8_t* pixels, uint8_t* end, bool force)
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{
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char buff[4];
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//uint8_t count = 0;
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// static uint8_t* position = NULL;
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// if (position != NULL && !force ) {
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// pixels = position;
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// } else if (position == NULL && !force ) {
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// return;
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// }
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do
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{
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uint8_t subpix = *pixels++;
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// position = pixels;
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// count++;
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buff[0] = data[(subpix >> 6) & 3];
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buff[1] = data[(subpix >> 4) & 3];
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buff[2] = data[(subpix >> 2) & 3];
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buff[3] = data[subpix & 3];
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Serial1.write(buff, sizeof(buff));
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} while (pixels < end );
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// if ( pixels == end) { position = NULL; }
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}
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#endif |