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