mehmet gok
max32630 icarus board support library
Diff: MAX20303.cpp
- Revision:
- 1:ad243e13fa3d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX20303.cpp Mon Dec 17 13:38:24 2018 +0300
@@ -0,0 +1,366 @@
+/*******************************************************************************
+ * Copyright (C) 2018 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 "MAX20303.h"
+
+
+
+//******************************************************************************
+MAX20303::MAX20303(I2C *i2c):
+ m_i2c(i2c), m_writeAddress(MAX20303_SLAVE_WR_ADDR),
+ m_readAddress(MAX20303_SLAVE_RD_ADDR)
+{
+}
+
+
+//******************************************************************************
+MAX20303::~MAX20303(void)
+{
+ //empty block
+}
+
+
+//******************************************************************************
+int MAX20303::LDO1Config()
+{
+ int32_t ret = 0;
+ uint8_t val;
+// ret |= writeReg(MAX20303::REG_AP_CMDOUT, 0x40);
+// ret |= writeReg(MAX20303::REG_AP_DATOUT0, 0x05);
+// ret |= writeReg(MAX20303::REG_AP_DATOUT1, 0x34);
+//
+// readReg(MAX20303::REG_AP_CMDOUT, val);
+// readReg(MAX20303::REG_AP_DATOUT0, val);
+// readReg(MAX20303::REG_AP_DATOUT1, val);
+ appcmdoutvalue_ = 0x40;
+ appdatainoutbuffer_[0] = 0x05;
+ appdatainoutbuffer_[1] = 0x34;
+ AppWrite(2);
+
+ return ret;
+}
+
+//******************************************************************************
+int MAX20303::LDO2Config()
+{
+ int32_t ret = 0;
+ uint8_t val;
+ appcmdoutvalue_ = 0x42;
+ appdatainoutbuffer_[0] = 0x01;
+ appdatainoutbuffer_[1] = 0x15; // 0.9V + (0.1V * number) = 3V
+ AppWrite(2);
+
+ return ret;
+}
+
+
+//******************************************************************************
+int MAX20303::writeReg(registers_t reg, uint8_t value)
+{
+ int32_t ret;
+
+ char cmdData[2] = {reg, value};
+
+ ret = m_i2c->write(m_writeAddress, cmdData, sizeof(cmdData));
+ //printf("MAX20303 write reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret)
+
+ if (ret != 0)
+ return MAX20303_ERROR;
+
+ return MAX20303_NO_ERROR;
+}
+
+
+//******************************************************************************
+int MAX20303::readReg(registers_t reg, uint8_t &value)
+{
+ int32_t ret;
+
+ char data = reg;
+
+ ret = m_i2c->write(m_writeAddress, &data, sizeof(data));
+ if (ret != 0) {
+ printf("%s - failed - ret: %d\n", __func__);
+ return MAX20303_ERROR;
+ }
+
+ ret = m_i2c->read(m_readAddress, &data, sizeof(data));
+ if (ret != 0) {
+ printf("%s - failed - ret: %d\n", __func__);
+ return MAX20303_ERROR;
+ }
+
+ value = data;
+ printf("MAX20303 read reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret);
+ return MAX20303_NO_ERROR;
+}
+
+//******************************************************************************
+int MAX20303::readRegMulti(registers_t reg, uint8_t *value, uint8_t len){
+ int32_t ret;
+ char data = reg;
+
+ ret = m_i2c->write(m_writeAddress, &data, sizeof(data));
+ if (ret != 0) {
+ printf("%s - failed - ret: %d\n", __func__);
+ return MAX20303_ERROR;
+ }
+
+ ret = m_i2c->read(m_readAddress, (char *)value, len);
+ if (ret != 0) {
+ printf("%s - failed - ret: %d\n", __func__);
+ return MAX20303_ERROR;
+ }
+
+ printf("MAX20303 read reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret);
+ return MAX20303_NO_ERROR;
+}
+
+//******************************************************************************
+int MAX20303::writeRegMulti(registers_t reg, uint8_t *value, uint8_t len){
+ int32_t ret;
+ i2cbuffer_[0] = reg;
+ memcpy(&i2cbuffer_[1], value, len);
+
+ ret = m_i2c->write(m_writeAddress, (char *)i2cbuffer_, (len+1));
+ //printf("MAX20303 write reg[0x%X]=0x%X, ret=%d\r\n", (uint32_t)reg, value, ret)
+
+ if (ret != 0)
+ return MAX20303_ERROR;
+
+ return MAX20303_NO_ERROR;
+}
+//******************************************************************************
+int MAX20303::mv2bits(int mV)
+{
+ int regBits;
+
+ if (( MAX20303_LDO_MIN_MV <= mV) && (mV <= MAX20303_LDO_MAX_MV)) {
+ regBits = (mV - MAX20303_LDO_MIN_MV) / MAX20303_LDO_STEP_MV;
+ } else {
+ return -1;
+ }
+
+ return regBits;
+}
+//******************************************************************************
+int MAX20303::PowerOffthePMIC(){
+ int ret;
+ appdatainoutbuffer_[0] = 0xB2;
+ appcmdoutvalue_ = 0x80;
+ ret = AppWrite(1);
+
+ if(appcmdoutvalue_ != 0x80){
+ ret |= MAX20303_ERROR;
+ }
+
+ return ret;
+}
+//******************************************************************************
+int MAX20303::PowerOffDelaythePMIC(){
+ int ret;
+ appdatainoutbuffer_[0] = 0xB2;
+ appcmdoutvalue_ = 0x84;
+ ret = AppWrite(1);
+
+ if(appcmdoutvalue_ != 0x80){
+ ret |= MAX20303_ERROR;
+ }
+
+ return ret;
+}
+
+//******************************************************************************
+int MAX20303::SoftResetthePMIC(){
+ int ret;
+ appdatainoutbuffer_[0] = 0xB3;
+ appcmdoutvalue_ = 0x81;
+ ret = AppWrite(1);
+
+ if(appcmdoutvalue_ != 0x81){
+ ret |= MAX20303_ERROR;
+ }
+
+ return ret;
+}
+//******************************************************************************
+int MAX20303::HardResetthePMIC(){
+ int ret;
+ appdatainoutbuffer_[0] = 0xB4;
+ appcmdoutvalue_ = 0x82;
+ ret = AppWrite(1);
+
+ if(appcmdoutvalue_ != 0x82){
+ ret |= MAX20303_ERROR;
+ }
+
+ return ret;
+}
+
+//******************************************************************************
+int MAX20303::AppWrite(uint8_t dataoutlen){
+ int ret;
+
+ ret = writeRegMulti(MAX20303::REG_AP_DATOUT0, appdatainoutbuffer_, dataoutlen);
+ ret |= writeReg(MAX20303::REG_AP_CMDOUT, appcmdoutvalue_);
+ wait_ms(10);
+ ret |= readReg(MAX20303::REG_AP_RESPONSE, appcmdoutvalue_);
+
+ if(ret != 0)
+ return MAX20303_ERROR;
+
+ return MAX20303_NO_ERROR;
+}
+
+
+//******************************************************************************
+int MAX20303::AppRead(uint8_t datainlen){
+ int ret;
+
+ ret = writeReg(MAX20303::REG_AP_CMDOUT, appcmdoutvalue_);
+ wait_ms(10);
+ ret |= readRegMulti(MAX20303::REG_AP_RESPONSE, i2cbuffer_, datainlen);
+ if(ret != 0)
+ return MAX20303_ERROR;
+
+ return MAX20303_NO_ERROR;
+}
+
+//******************************************************************************
+char MAX20303::CheckPMICHWID(){
+ int ret;
+ uint8_t value = 0x00;
+
+ ret = readReg(MAX20303::REG_HARDWARE_ID, value);
+ if(ret != MAX20303_NO_ERROR)
+ return false;
+
+ if(value == 0x02)
+ return true;
+ else
+ return false;
+}
+
+//******************************************************************************
+int MAX20303::CheckPMICStatusRegisters(unsigned char buf_results[5]){
+ int ret;
+ ret = readReg(MAX20303::REG_STATUS0, buf_results[0]);
+ ret |= readReg(MAX20303::REG_STATUS1, buf_results[1]);
+ ret |= readReg(MAX20303::REG_STATUS2, buf_results[2]);
+ ret |= readReg(MAX20303::REG_STATUS3, buf_results[3]);
+ ret |= readReg(MAX20303::REG_SYSTEM_ERROR, buf_results[4]);
+ return ret;
+}
+
+//******************************************************************************
+int MAX20303::Max20303_BatteryGauge(unsigned char *batterylevel){
+ int ret;
+ char data[2];
+
+ data[0] = 0x04;
+ ret = m_i2c->write(MAX20303_I2C_ADDR_FUEL_GAUGE, data, 1);
+ if(ret != 0){
+ printf("Max20303_FuelGauge has failed\r\n");
+ }
+
+ ret = m_i2c->read(MAX20303_I2C_ADDR_FUEL_GAUGE | 1, data, 2);
+ if(ret != 0){
+ printf("Max20303_FuelGauge has failed\r\n");
+ }
+
+ // if the level is more than 100 assume the battery is not connected
+ if(data[0] > 100){
+ *batterylevel = 0;
+ } else{
+
+ *batterylevel = data[0];
+ }
+ return 0;
+}
+
+
+//******************************************************************************
+int MAX20303::led0on(char enable) {
+
+ if(enable)
+ return writeReg(REG_LED0_DIRECT, 0x21);
+ else
+ return writeReg(REG_LED0_DIRECT, 0x01);
+}
+
+//******************************************************************************
+int MAX20303::led1on(char enable) {
+ if(enable)
+ return writeReg(REG_LED1_DIRECT, 0x21);
+ else
+ return writeReg(REG_LED1_DIRECT, 0x01);
+}
+
+//******************************************************************************
+int MAX20303::led2on(char enable) {
+ if(enable)
+ return writeReg(REG_LED2_DIRECT, 0x21);
+ else
+ return writeReg(REG_LED2_DIRECT, 0x01);
+}
+
+
+//******************************************************************************
+int MAX20303::BoostEnable(void) {
+ writeReg(REG_AP_DATOUT3, 0x00); // 00 : 5V
+ writeReg(REG_AP_DATOUT0, 0x01); // Boost Enabled
+ writeReg(REG_AP_CMDOUT, 0x30);
+ return MAX20303_NO_ERROR;
+}
+
+//******************************************************************************
+int MAX20303::BuckBoostEnable(void)
+{
+ int ret = 0;
+
+ ret |= writeReg( REG_AP_DATOUT0, 0x00); // Reserved = 0x00
+ ret |= writeReg( REG_AP_DATOUT1, 0x04); // BBstlSet = 0b'100 Buck Boost Peak current Limit = 200mA
+ ret |= writeReg( REG_AP_DATOUT2, 0x19); // BBstVSet = 0b'11001 Buck Boost Output Voltage = 5V
+ ret |= writeReg( REG_AP_DATOUT3, 0x01); // BBstRipRed = 1 Ripple Reduction
+ // BBstAct = 1 Actively discharged in Hard-Reset or Enable Low
+ // BBstPas = 1 Passively discharged in Hard-Reset or Enable Low
+ // BBstMd = 1 Damping Enabled
+ // BBstInd = 0 Inductance is 4.7uH
+ // BBstEn = 0b'01 Enabled
+ ret |= writeReg( REG_AP_CMDOUT, 0x70);
+ if (ret != 0)
+ return MAX20303_ERROR;
+
+ return MAX20303_NO_ERROR;
+}