The library for Shift Register (ex. 74595).
Dependents: 888LEDCUBE_RGB 888LEDCUBE_RGB
Diff: SPIShiftReg.cpp
- Revision:
- 0:9f0e9ea56740
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SPIShiftReg.cpp Wed Jul 22 13:36:52 2015 +0000 @@ -0,0 +1,40 @@ +/* +The MIT License (MIT) + +Copyright (c) 2015 雑学追究室ぐり + +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 "SPIShiftReg.h" + +SPIShiftReg::SPIShiftReg(PinName data, PinName sclk, PinName rck, int freq) : spi(data, NC, sclk) , _rck(rck){ + spi.format(8, 0); + spi.frequency(freq); + _rck = 0; +} + +void SPIShiftReg::write(char data[], int len){ + for(int i = 0; i < len; i++){ + spi.write(data[i]); + } + _rck = 1; + _rck = 0; +} +