diff --git a/Lib/Makefile b/Lib/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..c629db44e8cd309da8541648adfd4b40ac1bc5cd
--- /dev/null
+++ b/Lib/Makefile
@@ -0,0 +1,146 @@
+
+CC=gcc -fPIC -g
+CFLAGS= -c -Wall
+LDFLAGS=
+
+#defined global variables and programs to build
+include ../conf/Makefile
+
+#Globals Directories
+
+# necessary to access Paolo includes to build interface to its library (contains includes and libs)
+#
+# used if no rpm
+# PCIE40_INC_DIR=$(pcie40DaqDir)
+# PCIE40_DYN_LIB=$(pcie40DaqDir)/pcie40_ecs/libpcie40_ecs.so
+# PCIE40_STAT_LIB=$(pcie40DaqDir)/pcie40_ecs/libpcie40_ecs.a
+# used if rpm (normally useless because default
+# but need to be defined later or build crashes because include in -I are missing
+PCIE40_INC_DIR=/usr/include/
+PCIE40_DYN_LIB=/usr/lib64
+PCIE40_STAT_LIB=/usr/lib64
+
+OBJ_DIR=obj/
+SRC_DIR=src/
+INC_DIR=inc/
+LIB_DIR=lib/
+
+#SubDirectories
+ECS_DIR=ecs/
+MINIPODS_DIR=minipods/
+USER_DIR=user/
+SYSTEM_DIR=system/
+LTC2990_DIR=ltc2990/
+
+#Files ------------------------------------------------------------------------
+
+#ECS
+ECS_SRC= $(wildcard $(SRC_DIR)$(ECS_DIR)*.c)
+ECS_OBJ=$(ECS_SRC:$(SRC_DIR)$(ECS_DIR)%.c=$(OBJ_DIR)%.o)
+
+#Minipods
+MINIPODS_SRC= $(wildcard $(SRC_DIR)$(MINIPODS_DIR)*.c)
+MINIPODS_OBJ=$(MINIPODS_SRC:$(SRC_DIR)$(MINIPODS_DIR)%.c=$(OBJ_DIR)%.o)
+
+#User
+USER_SRC= $(wildcard $(SRC_DIR)$(USER_DIR)*.c)
+USER_OBJ=$(USER_SRC:$(SRC_DIR)$(USER_DIR)%.c=$(OBJ_DIR)%.o)
+
+#LTC2990
+LTC2990_SRC= $(wildcard $(SRC_DIR)$(LTC2990_DIR)*.c)
+LTC2990_OBJ=$(LTC2990_SRC:$(SRC_DIR)$(LTC2990_DIR)%.c=$(OBJ_DIR)%.o)
+
+# static libraries
+ECS_LIB= libecs.a
+MINIPODS_LIB= libminipods.a
+USER_LIB= libuser.a
+LTC2990_LIB= libltc2990.a
+# dynamic libraries
+USER_DYNLIB= libuser-dyn.so
+LLI_DYNLIB= lli-dyn.so
+
+
+all: $(ECS_OBJ) $(ECS_LIB) $(MINIPODS_OBJ) $(MINIPODS_LIB) $(LTC2990_OBJ) $(LTC2990_LIB) $(LLI_DYNLIB) $(USER_LIB) $(USER_DYNLIB)
+
+$(ECS_OBJ): $(OBJ_DIR)%.o : $(SRC_DIR)$(ECS_DIR)%.c
+ @echo "Construction of ecs objects $@ from $<"
+ $(CC) $(CFLAGS) -I $(INC_DIR)$(ECS_DIR) -I $(INC_DIR)$(SYSTEM_DIR) -I $(PCIE40_INC_DIR) $< -o $@
+
+$(ECS_LIB) : $(ECS_OBJ)
+ @echo "Construction of ECS Library"
+ ar -q $(LIB_DIR)$(ECS_LIB) $(ECS_OBJ)
+ @echo ""
+
+$(MINIPODS_OBJ): $(OBJ_DIR)%.o : $(SRC_DIR)$(MINIPODS_DIR)%.c
+ @echo "Construction of $@ from $<"
+ $(CC) $(CFLAGS) -I $(INC_DIR)$(MINIPODS_DIR) -I $(INC_DIR)$(SYSTEM_DIR) -I $(INC_DIR)$(ECS_DIR) -I $(PCIE40_INC_DIR) $< -o $@
+ @echo ""
+
+$(MINIPODS_LIB) : $(MINIPODS_OBJ)
+ @echo "Construction of MINIPODS Library"
+ ar -q $(LIB_DIR)$(MINIPODS_LIB) $(MINIPODS_OBJ)
+ @echo ""
+
+$(LTC2990_OBJ): $(OBJ_DIR)%.o : $(SRC_DIR)$(LTC2990_DIR)%.c
+ @echo "Construction of $@ from $<"
+ $(CC) $(CFLAGS) -I $(INC_DIR)$(PLL_DIR) -I $(INC_DIR)$(LTC2990_DIR) -I $(INC_DIR)$(SYSTEM_DIR) -I $(INC_DIR)$(MINIPODS_DIR) -I $(INC_DIR)$(LTC2990_DIR) -I $(PCIE40_INC_DIR) $< -o $@
+ @echo ""
+
+$(LTC2990_LIB) : $(LTC2990_OBJ)
+ @echo "Construction of LTC2990 Library"
+ ar -q $(LIB_DIR)$(LTC2990_LIB) $(LTC2990_OBJ)
+ @echo ""
+
+$(USER_OBJ): $(OBJ_DIR)%.o : $(SRC_DIR)$(USER_DIR)%.c
+ @echo "Construction of $@ from $<"
+ $(CC) $(CFLAGS) -I $(INC_DIR)$(USER_DIR) -I $(INC_DIR)$(SYSTEM_DIR) -I $(INC_DIR)$(ECS_DIR) -I $(PCIE40_INC_DIR) $< -o $@
+ @echo ""
+
+$(USER_LIB) : $(USER_OBJ)
+ @echo "Construction of USER Library"
+ ar -q $(LIB_DIR)$(USER_LIB) $(USER_OBJ) $(ECS_OBJ)
+ @echo ""
+
+$(USER_DYNLIB) : $(USER_OBJ)
+ @echo "Construction of dynamic USER Library"
+ $(CC) -o $(LIB_DIR)$(USER_DYNLIB) -shared $(USER_OBJ) $(ECS_OBJ)
+ @echo
+
+$(LLI_DYNLIB) : $(ECS_OBJ) $(MINIPODS_OBJ)
+ @echo "Construction of dynamic LLI technical Library for V2"
+# with locally built ecs library
+# $(CC) -o $(LIB_DIR)$(LLI_DYNLIB) -shared $(ECS_OBJ) $(PLL_OBJ) $(MINIPODS_OBJ) $(PCIE40_DYN_LIB)
+# with rpm installed ecs library
+ $(CC) -o $(LIB_DIR)$(LLI_DYNLIB) -shared $(ECS_OBJ) $(MINIPODS_OBJ) -lpcie40_ecs
+ @echo
+
+clean: mrproper
+ @echo "removing lli objects"
+ -rm $(OBJ_DIR)*.o
+ @echo ""
+
+ @echo "removing $(ECS_LIB)"
+ -rm $(LIB_DIR)$(ECS_LIB)
+ @echo ""
+
+ @echo "removing $(MINIPODS_LIB)"
+ -rm $(LIB_DIR)$(MINIPODS_LIB)
+ @echo ""
+
+ @echo "removing $(LTC2990_LIB)"
+ -rm $(LIB_DIR)$(LTC2990_LIB)
+ @echo ""
+
+ @echo "removing $(USER_LIB)"
+ -rm $(LIB_DIR)$(USER_LIB)
+ -rm $(LIB_DIR)$(USER_DYNLIB)
+ -rm $(LIB_DIR)$(LLI_DYNLIB)
+
+ @echo ""
+
+
+mrproper:
+ @echo "Removing all *~ files"
+ -find . -name "*~" -exec rm {} \;
+ @echo ""
+
diff --git a/Lib/i2c_ltc2990_lib.c b/Lib/i2c_ltc2990_lib.c
new file mode 100644
index 0000000000000000000000000000000000000000..090488922db5f5ffc555b151aaf56c6e1ae8a46c
--- /dev/null
+++ b/Lib/i2c_ltc2990_lib.c
@@ -0,0 +1,294 @@
+/****************************************************************************************//**
+* \file i2c_ltc2990_lib.c
+*
+* \brief This file contains the user driver to control the 3 ltc2990 ADC components.
+*
+* \author MJ/PYD
+* \version 0.1
+* \date : 15/03/2016
+* \copyright (c) Copyright CERN for the benefit of the LHCb Collaboration.
+* Distributed under the terms of the GNU General Public Licence V3.
+* ana.py script is free and open source software.
+*
+* CHANGELOG
+* PYD : 15/03/2016 initial version
+* PYD : 16/09/2016 use multiple boards
+*//********************************************************************************************/
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <systemConfig.h>
+#include <i2cDriver.h>
+#include <ltc2990.h>
+
+// Temporisation Fernand Raynaud pour basculer entre 2 modes
+//TEMPO_FERNAND 0.3
+#define BUS_DELAY 300000
+
+// usefull for configuration functions
+# define trigger 0x7F
+
+/***********************************************************************//**
+ * \fn int setConfig(int dev, int bus, unsigned add, unsigned config)
+ * \brief Function to configure the component
+ *
+ * 1) Apply the configuration
+ * 2) Déclenchement du trigger : on met nimporte quelle valeur dans
+ * TRIGGER_REGISTER, par exemple 0x7F
+ * je dis 0x7F car apparement le bit 7 du TRIGGER_REGISTER reste
+ * toujours à 0, donc la relecture est erronee...
+ *
+ * 3) 13/01/2015 : on met une tempo car lorsque l'on change de mode,
+ * car on a observé que l'on doit attendre un certain temps
+ * (au sens etymologique de fernand raynaud...) pour basculer
+ *
+ * \param bus : the i2c bus number
+ * \param add : the component add on the i2c bus
+ * \param config : the value of the config word
+ * \return 1 success, 0 error
+ *//***********************************************************************/
+static int setConfig(int dev, int bus, unsigned add, unsigned config){
+ unsigned val = trigger;
+// int i2c_writeMem(int bus, unsigned slaveAdd, unsigned regIndex, unsigned *val)
+ if ( (i2c_writeMem(dev, bus, add, CONTROL_REGISTER_ADDRESS, &config) == -1)
+ ||(i2c_writeMem(dev, bus, add, TRIGGER_REGISTER_ADDRESS, &val ) == -1) ){
+ printf("Configuration is not OK!!!\n");
+ return(0);
+ }
+ else {
+ usleep(BUS_DELAY);
+// time.sleep(TEMPO_FERNAND)
+// printf("Configuration is OK\n");
+ return(1);
+ }
+}
+/***********************************************************************//**
+ * \fn int setConfig2TR(int dev, int bus, int add)
+ * \brief Function to configure the component for 2 differential temperature,
+ * \brief probes, mode repeat, temperature en Celsius
+ *
+ * CONTROL_REGISTER= 0x1D (0001 1101), c'est à dire:
+ * Mode[2:0] = 101 = TR1,TR2
+ * Mode[4:3] = 11 = All Measurements per Mode[2:0], lectures de registres
+ * fixees sur TR1,TR2
+ * Temperature Format = 0 (Temperature reported in Celsius)
+ * Repeat/Single = 0 (Repeat Acquisition)
+ *
+ * \param bus : the i2c bus number
+ * \param add : the component add on the i2c bus
+ * \return 1 success, 0 error
+ *//***********************************************************************/
+int Config2TR(int dev, int bus, int add){
+ printf("ltc2990: onfiguration for 2 TR sensor temperature is running....\n");
+ return setConfig(dev, bus, add, 0x1D);
+}
+/***********************************************************************//**
+ * \fn int setConfig2TR(int bus, int add)
+ * \brief Function to configure the component for 2 differential tension reading,
+ * \brief mode repeat, temperature en Celsius
+ *
+ * CONTROL_REGISTER= 0x1E (0001 1110), c'est à dire:
+ * Mode[2:0] = 101 = lecture de V1-V2, V3-V4
+ * Mode[4:3] = 11 = All Measurements per Mode[2:0],lectures de registres
+ * fixees sur V1-V2, V3-V4
+ * Temperature Format = 0 = Temperature reported in Celsius
+ * Repeat/Single = 0 = Repeat Acquisition
+ *
+ * \param bus : the i2c bus number
+ * \param add : the component add on the i2c bus
+ * \return 1 success, 0 error
+ *//***********************************************************************/
+int Config2VoltDif(int dev, int bus, int add){
+ printf("ltc2990: ltc2990 configuration for 2 differential voltage is running....\n");
+ return setConfig(dev, bus, add, 0x1E);
+}
+/***********************************************************************//**
+ * \fn int Config4VoltSingleEnded(int bus, int add)
+ * \brief Function to configure the component to read 4 tensions single ended,
+ * \brief mode repeat, temperature en Celsius
+ *
+ * CONTROL_REGISTER= 0x1F = 0001 1111, c'est à dire:
+ * Mode[2:0] = 111 = lecture de V1,V2,V3,V4
+ * Mode[4:3] = 11 = All Measurements per Mode[2:0],lectures de registres
+ * fixées sur V1,V2, V3,V4
+ * Temperature Format = 0 = Temperature reported in Celsius
+ * Repeat/Single = 0 = Repeat Acquisition
+ *
+ * Note : it is important to select Celsius temp because even in this config
+ * we read the circuit internal temperature
+ *
+ * \param bus : the i2c bus number
+ * \param add : the component add on the i2c bus
+ * \return 1 success, 0 error
+ *//***********************************************************************/
+int Config4VoltSingleEnded(int dev, int bus, int add){
+ printf("ltc2990: configuration for 4 single ended voltage is running..\n");
+ return setConfig(dev, bus, add, 0x1F);
+}
+
+
+/****************************************************************************//**
+ * \fn int two_comp13(int nb13bits)
+ * \brief Function to present the right way a complemented to two in 13 bits value,
+ *
+ * All temperatures -internal or TR1 or TR2) are in 13bits complemented to 2.
+ * So we need this conversion function
+ *
+ * \return : the converted value
+ *//*****************************************************************************/
+//static int two_comp13(int nb13bits){
+static unsigned two_comp13(unsigned nb13bits){
+ if (nb13bits > 8191){
+ printf("ltc2990: ERROR number is greater than 8191!!!\n");
+ nb13bits = 8191;
+ }
+ if (nb13bits <= 4095)
+ return(nb13bits);
+ else
+ return(nb13bits-8192);
+}
+/****************************************************************************//**
+ * \fn int two_comp15(int nb15bits)
+ * \brief Function to present the right way a complemented to two in 15 bits value,
+ *
+ * All single-ended (V1,V2,V3,V4) or differential (V1-V2, V3-V4) tensions
+ * are in 15bits complemented to 2.
+ * So we need this conversion function
+ *
+ * \return : the converted value
+ *//*****************************************************************************/
+static int two_comp15(int nb15bits){
+ if (nb15bits > 32767){
+ printf("ltc2990: ERROR number is greater than 32767!!!\n");
+ nb15bits = 32767;
+ }
+ if (nb15bits <= 16383)
+ return(nb15bits);
+ else
+ return(nb15bits-32768);
+}
+/*************************************************************************************************//**
+ * \fn float ReadTempOrTension(int bus, int add, int msbReg, int lsbReg, int measureType, int inversion)
+ * \brief Function to read the temperature or tension in the component
+ *
+ * We loop reading the MSB register untill bit 7 switch to 1.
+ * We apply the mask:
+ * - when temperature reading to extract D8-D12 bits
+ * - when tension reading D8-D13 and D14 (sign)
+ * We read the LSB register to concatenate the two words to get the full value
+ * We then complement the value to 2 and multiply by a constant factor
+ * - factor = 0.0625 for temp
+ * - factor = 0.00030518 for tensions
+ *
+ * \param bus : the i2c bus number on the board
+ * \param add : the component i2c address
+ * \param msbReg : the msb register index
+ * \param lsbReg : the lsb register index
+ * \param measureType : type of measure TEMP or VOLT
+ * \param inversion : for some components the tension is inverted (1 or 0)
+ *
+ * \return read value or 0 if failed
+ *//*************************************************************************************************/
+static float ReadTempOrTension(int dev, int bus, unsigned add, unsigned msbReg, unsigned lsbReg, enum type_measure measureType, int inversion){
+ unsigned mask;
+ int cpt_timeout = 0;
+ int DataValidBit = 0;
+ float factor, RSHUNT, LSB_DIFFERENTIAL;
+ unsigned LocalTempMSB, dataMSB, dataLSB, dataInteger16;
+
+ if (measureType == TEMP){
+ mask = 0b11111;
+ factor = 0.0625;
+ }
+ else {
+ mask = 0b1111111;
+ factor = 0.00030518;
+ }
+// On divise ensuite par la valeur de la resistance de shunt (
+// supposee egale a 0.003 ohm) pour avoir la valeur du courant IPEX09V
+ if (inversion == 1){
+ RSHUNT = 0.003;
+ LSB_DIFFERENTIAL = 0.00001942;
+ factor = LSB_DIFFERENTIAL/RSHUNT;
+ }
+ while (!(DataValidBit)){
+// int i2c_readMem(int bus, unsigned slaveAdd, unsigned regIndex, unsigned *val)
+ if (i2c_readMem(dev, bus, add, msbReg, &LocalTempMSB) != 0){
+ printf("ReadTempOrTension : error readihg i2c register\n");
+ return(0);
+ }
+// LocalTempMSB = i2c.read(bus, add, msbReg)[1]
+ DataValidBit = (0b10000000) & LocalTempMSB;
+ cpt_timeout = cpt_timeout + 1;
+ if (cpt_timeout > 1000){
+ printf("ReadTempOrTension : Error Timeout to read\n");
+ break;
+ }
+ }
+ dataMSB = LocalTempMSB & mask;
+
+// dataLSB = i2c.read(bus, add, lsbReg)[1]
+ if (i2c_readMem(dev, bus, add, lsbReg, &dataLSB) != 0){
+ printf("ReadTempOrTension : error readihg i2c register\n");
+ return(0);
+ }
+ dataInteger16 = dataMSB*256 + dataLSB;
+ if (measureType == TEMP){
+ return(two_comp13(dataInteger16)*factor);
+ }
+ else {
+ if (inversion == 1)
+ return (-two_comp15(dataInteger16)*factor);
+ else
+ return (two_comp15(dataInteger16)*factor);
+ }
+}
+
+float ReadLocalTemperature(int dev, int bus, unsigned add){
+ enum type_measure temp = TEMP;
+ return(ReadTempOrTension(dev, bus, add, TINTMSB_REGISTER_ADDRESS, TINTLSB_REGISTER_ADDRESS, temp, 0));
+}
+
+float ReadTR1(int dev, int bus,unsigned add){
+ enum type_measure temp = TEMP;
+ return(ReadTempOrTension(dev, bus, add, V1MSB_REGISTER_ADDRESS, V1LSB_REGISTER_ADDRESS, temp, 0));
+}
+
+float ReadTR2(int dev, int bus,unsigned add){
+ enum type_measure temp = TEMP;
+ return (ReadTempOrTension(dev, bus, add, V3MSB_REGISTER_ADDRESS, V3LSB_REGISTER_ADDRESS, temp, 0));
+}
+
+float ReadV1(int dev, int bus,unsigned add){
+ enum type_measure tens = VOLT;
+ return(ReadTempOrTension(dev, bus, add, V1MSB_REGISTER_ADDRESS, V1LSB_REGISTER_ADDRESS, tens, 0));
+}
+
+float ReadV2(int dev, int bus,unsigned add){
+ enum type_measure tens = VOLT;
+ return(ReadTempOrTension(dev, bus, add, V2MSB_REGISTER_ADDRESS, V2LSB_REGISTER_ADDRESS, tens, 0));
+}
+
+float ReadV3(int dev, int bus,unsigned add){
+ enum type_measure tens = VOLT;
+ return(ReadTempOrTension(dev, bus, add, V3MSB_REGISTER_ADDRESS, V3LSB_REGISTER_ADDRESS, tens, 0));
+}
+
+float ReadV4(int dev, int bus,unsigned add){
+ enum type_measure tens = VOLT;
+ return(ReadTempOrTension(dev, bus, add, V4MSB_REGISTER_ADDRESS, V4LSB_REGISTER_ADDRESS, tens, 0));
+}
+
+float ReadIPEX09V(int dev, int bus,unsigned add){
+// Entering this function we have to be in read differential tension mode.
+ enum type_measure tens = VOLT;
+ return(ReadTempOrTension(dev, bus, add, V1minV2MSB_REGISTER_ADDRESS, V1minV2LSB_REGISTER_ADDRESS, tens, 1));
+}
+
+float ReadIPEX09VDDA(int dev, int bus,unsigned add){
+// Entering this function we have to be in read differential tension mode.
+ enum type_measure tens = VOLT;
+ return (ReadTempOrTension(dev, bus, add, V3minV4MSB_REGISTER_ADDRESS, V3minV4LSB_REGISTER_ADDRESS, tens, 1));
+}
+