1765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang/* 2765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * Author: Jun Kato and Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com> 3765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * Contributions: Jon Trulson <jtrulson@ics.com> 4765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * Copyright (c) 2015 Intel Corporation. 5765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * 6765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * This module is based on the my9221 driver 7765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * 8765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * Permission is hereby granted, free of charge, to any person obtaining 9765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * a copy of this software and associated documentation files (the 10765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * "Software"), to deal in the Software without restriction, including 11765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * without limitation the rights to use, copy, modify, merge, publish, 12765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * distribute, sublicense, and/or sell copies of the Software, and to 13765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * permit persons to whom the Software is furnished to do so, subject to 14765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * the following conditions: 15765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * 16765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * The above copyright notice and this permission notice shall be 17765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * included in all copies or substantial portions of the Software. 18765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * 19765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 20765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 22765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 23765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 24765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 25765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang */ 27765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 28765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include <iostream> 29765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include <string> 30765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include <stdexcept> 31765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include <unistd.h> 32765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include <stdlib.h> 33765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 34765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include "grovecircularled.h" 35765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 36765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangusing namespace upm; 37765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 38765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangGroveCircularLED::GroveCircularLED (uint8_t di, uint8_t dcki) 39765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang : m_clkPinCtx(dcki), 40765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_dataPinCtx(di) { 41765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang mraa::Result error = mraa::SUCCESS; 42765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 43765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_clkPinCtx.useMmap(true); 44765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_dataPinCtx.useMmap(true); 45765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 46765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang // set direction (out) 47765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang error = m_clkPinCtx.dir(mraa::DIR_OUT); 48765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang if (error != mraa::SUCCESS) { 49765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang printError(error); 50765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 51765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 52765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 53765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangmraa::Result 54765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangGroveCircularLED::setSpinner (uint8_t position) { 55765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang if (position < 0 || position >= 24) { 56765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return mraa::ERROR_INVALID_PARAMETER; 57765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 58765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang for(uint8_t block_idx = 0; block_idx < 24; block_idx++) { 59765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang if (block_idx % 12 == 0) { 60765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang send16bitBlock (CMDMODE); 61765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 62765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang uint32_t state = (block_idx == position) ? BIT_HIGH : BIT_LOW; 63765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang send16bitBlock (state); 64765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 65765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return lockData (); 66765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 67765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 68765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangmraa::Result 69765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangGroveCircularLED::setLevel (uint8_t level, bool direction) { 70765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang if (level < 0 || level > 24) { 71765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return mraa::ERROR_INVALID_PARAMETER; 72765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 73765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang if (direction) { 74765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang for(uint8_t block_idx = 24; block_idx > 0; block_idx--) { 75765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang if (block_idx % 12 == 0) { 76765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang send16bitBlock (CMDMODE); 77765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 78765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang uint32_t state = (block_idx <= level) ? BIT_HIGH : BIT_LOW; 79765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang send16bitBlock (state); 80765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 81765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } else { 82765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang for(uint8_t block_idx = 0; block_idx < 24; block_idx++) { 83765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang if (block_idx % 12 == 0) { 84765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang send16bitBlock (CMDMODE); 85765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 86765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang uint32_t state = (block_idx <= level - 1) ? BIT_HIGH : BIT_LOW; 87765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang send16bitBlock (state); 88765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 89765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 90765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return lockData (); 91765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 92765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 93765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangmraa::Result 94765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangGroveCircularLED::setStatus (bool status[24]) { 95765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang for(uint8_t block_idx = 0; block_idx < 24; block_idx++) { 96765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang if (block_idx % 12 == 0) { 97765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang send16bitBlock (CMDMODE); 98765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 99765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang send16bitBlock (status[block_idx] ? BIT_HIGH : BIT_LOW); 100765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 101765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return lockData (); 102765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 103765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 104765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangmraa::Result 105765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangGroveCircularLED::lockData () { 106765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang mraa::Result error = mraa::SUCCESS; 107765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang error = m_dataPinCtx.write (LOW); 108765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang usleep(10); 109765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 110765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang for(int idx = 0; idx < 4; idx++) { 111765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang error = m_dataPinCtx.write(HIGH); 112765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang error = m_dataPinCtx.write(LOW); 113765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 114765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return error; 115765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 116765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 117765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangmraa::Result 118765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangGroveCircularLED::send16bitBlock (short data) { 119765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang mraa::Result error = mraa::SUCCESS; 120765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang for (uint8_t bit_idx = 0; bit_idx < MAX_BIT_PER_BLOCK; bit_idx++) { 121765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang uint32_t state = (data & 0x8000) ? HIGH : LOW; 122765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang error = m_dataPinCtx.write (state); 123765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang state = m_clkPinCtx.read (); 124765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 125765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang if (state) { 126765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang state = LOW; 127765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } else { 128765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang state = HIGH; 129765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 130765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 131765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang error = m_clkPinCtx.write (state); 132765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 133765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang data <<= 1; 134765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 135765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return error; 136765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 137