initial commit, reads dev id
Diff: MAX8614X.cpp
- Revision:
- 0:77ee0ceb503a
- Child:
- 1:7ae9b934ee55
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX8614X.cpp Fri Aug 10 04:54:06 2018 +0000
@@ -0,0 +1,96 @@
+/*******************************************************************************
+* Author: Ihsan Mert Ozcelik, Ihsan.Ozcelik@maximintegrated.com
+* Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
+*
+* 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 MAXIM INTEGRATED 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.
+*
+* Except as contained in this notice, the name of Maxim Integrated
+* Products, Inc. shall not be used except as stated in the Maxim Integrated
+* Products, Inc. Branding Policy.
+*
+* The mere transfer of this software does not imply any licenses
+* of trade secrets, proprietary technology, copyrights, patents,
+* trademarks, maskwork rights, or any other form of intellectual
+* property whatsoever. Maxim Integrated Products, Inc. retains all
+* ownership rights.
+*******************************************************************************
+*/
+#include "MAX8614X.h"
+
+#define pr_err(fmt, args...) if(1) printf(fmt " (%s:%d)\n", ##args, __func__, __LINE__)
+#define pr_info(fmt, args...) if(1) printf(fmt " (%s:%d)\n", ##args, __func__, __LINE__)
+#define pr_debug(fmt, args...) if(0) printf(fmt " (%s:%d)\n", ##args, __func__, __LINE__)
+
+#define ARRAY_SIZE(array) (sizeof(array)/sizeof(array[0]))
+
+MAX8614X::MAX8614X(SPI &spiBus, DigitalOut &cs, PinName pin)
+:m_spiBus(spiBus), m_cs(cs)
+{
+ m_cs = 1;
+}
+
+int MAX8614X::readRegister(uint8_t reg, uint8_t *data, int len)
+{
+ m_cs = 0;
+
+ m_spiBus.write(reg);
+ m_spiBus.write(0x80);
+
+ int i = 0;
+ for(; i < len; i++) { /*TODO: make len unsigned*/
+ data[i] = m_spiBus.write(0x00);
+ }
+
+ m_cs = 1;
+ return 0; /*TODO: handle error cases*/
+}
+
+int MAX8614X::writeRegister(uint8_t reg, const uint8_t data)
+{
+ m_cs = 0;
+
+ m_spiBus.write(reg);
+ m_spiBus.write(0x00);
+ m_spiBus.write(data);
+
+ m_cs = 1;
+
+ return 0; /*TODO: handle error cases*/
+}
+
+int MAX8614X::writeBlock(const RegisterMap reg_block[], unsigned int size)
+{
+ unsigned int i;
+ int ret = 0;
+
+ for (i = 0; i < size; i++) {
+ ret = writeRegister((Registers) reg_block[i].addr,
+ reg_block[i].val);
+ if (ret < 0) {
+ pr_err("writeRegister failed. ret: %d", ret);
+ return ret;
+ }
+ }
+
+ return ret;
+}
+MAX8614X::~MAX8614X(void)
+{
+ //empty block
+}
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