76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "boards/board.h"
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#include "mpconfigboard.h"
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#include "csr.h"
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// ICE40 LED Driver hard macro.
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// See http://www.latticesemi.com/-/media/LatticeSemi/Documents/ApplicationNotes/IK/ICE40LEDDriverUsageGuide.ashx?document_id=50668
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enum led_registers {
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LEDDCR0 = 8,
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LEDDBR = 9,
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LEDDONR = 10,
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LEDDOFR = 11,
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LEDDBCRR = 5,
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LEDDBCFR = 6,
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LEDDPWRR = 1,
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LEDDPWRG = 2,
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LEDDPWRB = 3,
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};
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#define BREATHE_ENABLE (1 << 7)
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#define BREATHE_EDGE_ON (0 << 6)
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#define BREATHE_EDGE_BOTH (1 << 6)
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#define BREATHE_MODE_MODULATE (1 << 5)
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#define BREATHE_RATE(x) ((x & 7) << 0)
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// Write a value into the LEDDA_IP register.
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static void ledda_write(uint8_t value, uint8_t addr) {
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rgb_addr_write(addr);
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rgb_dat_write(value);
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}
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void board_init(void) {
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uint8_t onrate = 15;
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uint8_t offrate = 1;
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ledda_write(BREATHE_ENABLE | BREATHE_MODE_MODULATE | BREATHE_RATE(onrate), LEDDBCRR);
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ledda_write(BREATHE_ENABLE | BREATHE_MODE_MODULATE | BREATHE_RATE(offrate), LEDDBCFR);
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ledda_write(123, LEDDPWRR); // Red
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ledda_write(3, LEDDPWRG); // Green
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ledda_write(98, LEDDPWRB); // Blue
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}
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bool board_requests_safe_mode(void) {
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return false;
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}
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void reset_board(void) {
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}
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