max44000: Added new sensor module

Signed-off-by: Kiveisha Yevgeniy <yevgeniy.kiveisha@intel.com>

src/max44000/max44000.cxx

@@ -0,0 +1,114 @@
+/*
+ * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
+ * Copyright (c) 2014 Intel Corporation.
+ *
+ * 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 <iostream>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "max44000.h"
+
+using namespace upm;
+
+MAX44000::MAX44000 (int bus, int devAddr) {
+    m_name = "MAX44000";
+
+    m_maxControlAddr = devAddr;
+    m_bus = bus;
+
+    m_i2cMaxControlCtx = maa_i2c_init(m_bus);
+
+    maa_result_t ret = maa_i2c_address(m_i2cMaxControlCtx, m_maxControlAddr);
+    if (ret != MAA_SUCCESS) {
+        fprintf(stderr, "Messed up i2c bus\n");
+    }
+
+    i2cWriteReg (MCR, 0x2C);
+    i2cWriteReg (TCR, 0x6);
+}
+
+MAX44000::~MAX44000() {
+    maa_i2c_stop(m_i2cMaxControlCtx);
+}
+
+uint16_t
+MAX44000::getProximity () {
+    uint16_t data = 0;
+
+    data = (i2cReadReg_8 (ALSDATA_HIGH) & 0x7F) << 8;
+    data = data | i2cReadReg_8 (ALSDATA_LOW);
+
+    return data;
+}
+
+uint16_t
+MAX44000::getAmbient () {
+    uint16_t data = 0;
+
+    data = (i2cReadReg_8 (ALSDATA_HIGH) & 0x7F) << 8;
+    data = data | i2cReadReg_8 (ALSDATA_LOW);
+
+    return data;
+}
+
+/*
+ * **************
+ *  private area
+ * **************
+ */
+uint8_t
+MAX44000::i2cReadReg_8 (int reg) {
+    uint8_t data;
+
+    maa_i2c_address(m_i2cMaxControlCtx, m_maxControlAddr);
+    maa_i2c_write_byte(m_i2cMaxControlCtx, reg);
+
+    maa_i2c_address(m_i2cMaxControlCtx, m_maxControlAddr);
+    maa_i2c_read(m_i2cMaxControlCtx, &data, 0x1);
+
+    return data;
+}
+
+uint16_t
+MAX44000::i2cReadReg_16 (int reg) {
+    uint16_t data;
+
+    maa_i2c_address(m_i2cMaxControlCtx, m_maxControlAddr);
+    maa_i2c_write_byte(m_i2cMaxControlCtx, reg);
+
+    maa_i2c_address(m_i2cMaxControlCtx, m_maxControlAddr);
+    maa_i2c_read(m_i2cMaxControlCtx, (uint8_t *)&data, 0x2);
+
+    return data;
+}
+
+maa_result_t
+MAX44000::i2cWriteReg (uint8_t reg, uint8_t value) {
+    maa_result_t error = MAA_SUCCESS;
+
+    uint8_t data[2] = { reg, value };
+    error = maa_i2c_address (m_i2cMaxControlCtx, m_maxControlAddr);
+    error = maa_i2c_write (m_i2cMaxControlCtx, data, 2);
+
+    return error;
+}