Merge branch 'demo-sat-dev' into 'master'

Demo sat dev

See merge request msp/demo-sat!2

.gitignore

+demo-sat/.cache/
+
+# Ignore whole work directory
+demo-sat/work/*
+
+# Except HAL source files
+!demo-sat/work/hal
+demo-sat/work/hal/*
+!demo-sat/work/hal/C
+demo-sat/work/hal/C/*
+!demo-sat/work/hal/C/src
+demo-sat/work/hal/C/src/*
+!demo-sat/work/hal/C/src/hal.c
+
+# Except ThermalManager
+!demo-sat/work/thermalmanager/
+demo-sat/work/thermalmanager/*
+!demo-sat/work/thermalmanager/SDL
+demo-sat/work/thermalmanager/SDL/*
+!demo-sat/work/thermalmanager/SDL/src
+demo-sat/work/thermalmanager/SDL/src/*
+!demo-sat/work/thermalmanager/SDL/src/thermalmanager.pr
+
+# Except PayloadManager
+!demo-sat/work/payloadmanager/
+demo-sat/work/payloadmanager/*
+!demo-sat/work/payloadmanager/SDL
+demo-sat/work/payloadmanager/SDL/*
+!demo-sat/work/payloadmanager/SDL/src
+demo-sat/work/payloadmanager/SDL/src/*
+!demo-sat/work/payloadmanager/SDL/src/payloadmanager.pr
+
+# Except ModeManager
+!demo-sat/work/modemanager/
+demo-sat/work/modemanager/*
+!demo-sat/work/modemanager/SDL
+demo-sat/work/modemanager/SDL/*
+!demo-sat/work/modemanager/SDL/src
+demo-sat/work/modemanager/SDL/src/*
+!demo-sat/work/modemanager/SDL/src/modemanager.pr
+
+# Except Housekeeping
+!demo-sat/work/housekeeping/
+demo-sat/work/housekeeping/*
+!demo-sat/work/housekeeping/SDL
+demo-sat/work/housekeeping/SDL/*
+!demo-sat/work/housekeeping/SDL/src
+demo-sat/work/housekeeping/SDL/src/*
+!demo-sat/work/housekeeping/SDL/src/housekeeping.pr
+
+# Except CommandDispatcher
+!demo-sat/work/commanddispatcher/
+demo-sat/work/commanddispatcher/*
+!demo-sat/work/commanddispatcher/SDL
+demo-sat/work/commanddispatcher/SDL/*
+!demo-sat/work/commanddispatcher/SDL/src
+demo-sat/work/commanddispatcher/SDL/src/*
+!demo-sat/work/commanddispatcher/SDL/src/commanddispatcher.pr

README.md

 # DemoSat project
 
+## Compilation from commandline
+
+## Oscillators and clocks configuration
+
+### Oscillators
+
+| Oscillator | Frequency |
+|------------|-----------|
+| DCO        | 8 MHz     |
+| LFXTCLK    | 32768 Hz  |
+
+### Clocks
+
+| Clock | Source Oscillator | Divider |
+|-------|-------------------|---------|
+| MCLK  | DCO               | 1       |
+| SMCLK | DCO               | 1       |
+| ACLK  | LFXTCLK           | 1       |
+
+### Modules
+
+| Module              | Clock | Divider                  | Description                               |
+|---------------------|-------|--------------------------|-------------------------------------------|
+| FreeRTOS tick timer | ACLK  | 1000                     | FreeRTOS uses this clock for system ticks |
+| UART                | SMCLK | depends on configuration |                                           |
+| I2C                 | SMCLK | 160                      | Standard 100kHz                           |
+| PWM                 | SMCLK | 8 * 4                    | Period 1000                               |
+
+## PIN configuration
+
+| Pins | Function | Connection with                            |
+|------|----------|--------------------------------------------|
+| P1.3 | ADC      | Output of voltage divider near solar panel |
+| P1.4 | PWM      | pin IN A on BD65496MUV                     |
+| P1.5 | GPIO     | pin RES on SDD1306                         |
+| P1.6 | SDA      | pin DIN on SDD1306 and pin SDA on MCP9808  |
+| P1.7 | SCL      | pin CLK on SDD1306 and pin SCL on MCP9808  |
+| P2.0 | UART     | -                                          |
+| P2.1 | UART     | -                                          |
+|------|----------|--------------------------------------------|
+| GND  | Ground   |                                            |
+| VCC  | +3.3V    |                                            |

demo-sat/ConcurrencyView_Properties.aadl

+
+PACKAGE Process_Package_proxy
+PUBLIC
+WITH Process_Package;
+WITH AI;
+
+SYSTEM DeploymentView
+EXTENDS Process_Package::DeploymentView
+END DeploymentView;
+
+SYSTEM IMPLEMENTATION DeploymentView.final
+EXTENDS Process_Package::DeploymentView.final
+PROPERTIES
+  AI::root_system => "SELECTED";
+  Stack_Size => 1024 bytes APPLIES TO Msp430fr5969_Partition.commanddispatcher_command;
+  Stack_Size => 512 bytes APPLIES TO Msp430fr5969_Partition.housekeeping_trigger_gather_hk;
+  Stack_Size => 768 bytes APPLIES TO Msp430fr5969_Partition.modemanager_trigger_gather_mode_hk;
+  Stack_Size => 512 bytes APPLIES TO Msp430fr5969_Partition.payloadmanager_trigger_gather_payload_hk;
+  Stack_Size => 512 bytes APPLIES TO Msp430fr5969_Partition.thermalmanager_trigger_check_temp;
+END DeploymentView.final;
+
+END Process_Package_proxy;

demo-sat/DataView.asn

+TASTE-Dataview DEFINITIONS ::=
+BEGIN
+IMPORTS T-Int32, T-UInt32, T-Int8, T-UInt8, T-Boolean FROM TASTE-BasicTypes;
+
+END

demo-sat/DeploymentView.aadl

+---------------------------------------------------
+-- AADL2.2
+-- TASTE type deploymentview
+-- 
+-- generated code: do not edit
+---------------------------------------------------
+
+PACKAGE deploymentview::DV::EGSE
+PUBLIC
+
+WITH ocarina_buses;
+WITH ocarina_drivers;
+WITH Taste;
+WITH Deployment;
+WITH TASTE_DV_Properties;
+WITH deploymentview::DV;
+WITH Memory_Properties;
+WITH ARINC653;
+PROCESS x86_partition
+END x86_partition;
+
+PROCESS IMPLEMENTATION x86_partition.others
+END x86_partition.others;
+
+DEVICE linux_serial_minimal
+EXTENDS ocarina_drivers::linux_serial
+FEATURES
+  link : REFINED TO REQUIRES BUS ACCESS ocarina_buses::serial.minimal {
+    Taste::coordinates => "275111 132281";
+  };
+PROPERTIES
+  Taste::Interface_Coordinates => "238419 168972" APPLIES TO link;
+  Deployment::Help => "Write your ASN.1 configuration here";
+  Deployment::Configuration => "{ devname ""/dev/ttyACM1"", speed b19200, bits 8}";
+  Deployment::Config => "/home/taste/tool-inst/include/ocarina/runtime/polyorb-hi-c/src/drivers/configuration/serial.asn";
+  Deployment::Version => "0.1beta";
+END linux_serial_minimal;
+
+DEVICE IMPLEMENTATION linux_serial_minimal.others
+EXTENDS ocarina_drivers::linux_serial.minimal
+END linux_serial_minimal.others;
+
+END deploymentview::DV::EGSE;
+
+PACKAGE deploymentview::DV::CubeSat
+PUBLIC
+
+WITH ocarina_buses;
+WITH ocarina_drivers;
+WITH Taste;
+WITH Deployment;
+WITH TASTE_DV_Properties;
+WITH deploymentview::DV;
+WITH Memory_Properties;
+WITH ARINC653;
+PROCESS msp430fr5969_partition
+END msp430fr5969_partition;
+
+PROCESS IMPLEMENTATION msp430fr5969_partition.others
+END msp430fr5969_partition.others;
+
+DEVICE MSP430_eUSCI_A_serial_minimal
+EXTENDS ocarina_drivers::MSP430_eUSCI_A_serial
+FEATURES
+  link : REFINED TO REQUIRES BUS ACCESS ocarina_buses::serial.minimal {
+    Taste::coordinates => "101572 131807";
+  };
+PROPERTIES
+  Taste::Interface_Coordinates => "113698 168815" APPLIES TO link;
+  Deployment::Help => "Write your ASN.1 configuration here";
+  Deployment::Configuration => "{ devname """", speed b19200, bits 8}";
+  Deployment::Config => "/home/taste/tool-inst/include/ocarina/runtime/polyorb-hi-c/src/drivers/configuration/serial.asn";
+  Deployment::Version => "0.1beta";
+END MSP430_eUSCI_A_serial_minimal;
+
+DEVICE IMPLEMENTATION MSP430_eUSCI_A_serial_minimal.others
+EXTENDS ocarina_drivers::MSP430_eUSCI_A_serial.minimal
+END MSP430_eUSCI_A_serial_minimal.others;
+
+END deploymentview::DV::CubeSat;
+
+PACKAGE deploymentview::DV
+PUBLIC
+
+WITH interfaceview::IV::MissionControl;
+WITH ocarina_processors_x86;
+WITH deploymentview::DV::EGSE;
+WITH interfaceview::IV::CommandDispatcher;
+WITH interfaceview::IV::Housekeeping;
+WITH interfaceview::IV::ModeManager;
+WITH interfaceview::IV::ThermalManager;
+WITH interfaceview::IV::PayloadManager;
+WITH interfaceview::IV::HAL;
+WITH ocarina_processors_msp430;
+WITH deploymentview::DV::CubeSat;
+WITH ocarina_buses;
+WITH Taste;
+WITH Deployment;
+WITH interfaceview::IV;
+WITH TASTE_DV_Properties;
+SYSTEM EGSE
+FEATURES
+  linux_serial_minimal_serial_minimal : REQUIRES BUS ACCESS ocarina_buses::serial.minimal;
+END EGSE;
+
+SYSTEM IMPLEMENTATION EGSE.others
+SUBCOMPONENTS
+  IV_MissionControl : SYSTEM interfaceview::IV::MissionControl::MissionControl.others {
+    Taste::FunctionName => "MissionControl";
+  };
+  x86_partition : PROCESS deploymentview::DV::EGSE::x86_partition.others {
+    Taste::coordinates => "232979 71949 278031 109142";
+    Deployment::Port_Number => 0;
+  };
+  x86_linux : PROCESSOR ocarina_processors_x86::x86.linux {
+    Taste::coordinates => "227348 61322 283662 114455";
+  };
+  linux_serial_minimal : DEVICE deploymentview::DV::EGSE::linux_serial_minimal.others {
+    Taste::coordinates => "231647 118895 278103 132281";
+  };
+CONNECTIONS
+  linux_serial_minimal_serial_minimal_link : BUS ACCESS linux_serial_minimal_serial_minimal -> linux_serial_minimal.link;
+PROPERTIES
+  Taste::APLC_Binding => (reference (x86_partition)) APPLIES TO IV_MissionControl;
+  Actual_Processor_Binding => (reference (x86_linux)) APPLIES TO x86_partition;
+  Actual_Processor_Binding => (reference (x86_linux)) APPLIES TO linux_serial_minimal;
+END EGSE.others;
+
+SYSTEM CubeSat
+FEATURES
+  MSP430_eUSCI_A_serial_minimal_serial_minimal : REQUIRES BUS ACCESS ocarina_buses::serial.minimal;
+END CubeSat;
+
+SYSTEM IMPLEMENTATION CubeSat.others
+SUBCOMPONENTS
+  IV_CommandDispatcher : SYSTEM interfaceview::IV::CommandDispatcher::CommandDispatcher.others {
+    Taste::FunctionName => "CommandDispatcher";
+  };
+  IV_Housekeeping : SYSTEM interfaceview::IV::Housekeeping::Housekeeping.others {
+    Taste::FunctionName => "Housekeeping";
+  };
+  IV_ModeManager : SYSTEM interfaceview::IV::ModeManager::ModeManager.others {
+    Taste::FunctionName => "ModeManager";
+  };
+  IV_ThermalManager : SYSTEM interfaceview::IV::ThermalManager::ThermalManager.others {
+    Taste::FunctionName => "ThermalManager";
+  };
+  IV_PayloadManager : SYSTEM interfaceview::IV::PayloadManager::PayloadManager.others {
+    Taste::FunctionName => "PayloadManager";
+  };
+  IV_HAL : SYSTEM interfaceview::IV::HAL::HAL.others {
+    Taste::FunctionName => "HAL";
+  };
+  msp430fr5969_partition : PROCESS deploymentview::DV::CubeSat::msp430fr5969_partition.others {
+    Taste::coordinates => "89853 61941 129918 96375";
+    Deployment::Port_Number => 0;
+  };
+  msp430fr5969_freertos : PROCESSOR ocarina_processors_msp430::msp430fr5969.freertos {
+    Taste::coordinates => "87258 52471 181255 115272";
+  };
+  MSP430_eUSCI_A_serial_minimal : DEVICE deploymentview::DV::CubeSat::MSP430_eUSCI_A_serial_minimal.others {
+    Taste::coordinates => "98108 119366 140627 131807";
+  };
+CONNECTIONS
+  MSP430_eUSCI_A_serial_minimal_serial_minimal_link : BUS ACCESS MSP430_eUSCI_A_serial_minimal_serial_minimal -> MSP430_eUSCI_A_serial_minimal.link;
+PROPERTIES
+  Taste::APLC_Binding => (reference (msp430fr5969_partition)) APPLIES TO IV_CommandDispatcher;
+  Taste::APLC_Binding => (reference (msp430fr5969_partition)) APPLIES TO IV_Housekeeping;
+  Taste::APLC_Binding => (reference (msp430fr5969_partition)) APPLIES TO IV_ModeManager;
+  Taste::APLC_Binding => (reference (msp430fr5969_partition)) APPLIES TO IV_ThermalManager;
+  Taste::APLC_Binding => (reference (msp430fr5969_partition)) APPLIES TO IV_PayloadManager;
+  Taste::APLC_Binding => (reference (msp430fr5969_partition)) APPLIES TO IV_HAL;
+  Actual_Processor_Binding => (reference (msp430fr5969_freertos)) APPLIES TO msp430fr5969_partition;
+  Actual_Processor_Binding => (reference (msp430fr5969_freertos)) APPLIES TO MSP430_eUSCI_A_serial_minimal;
+END CubeSat.others;
+
+SYSTEM deploymentview
+END deploymentview;
+
+SYSTEM IMPLEMENTATION deploymentview.others
+SUBCOMPONENTS
+  EGSE : SYSTEM EGSE.others {
+    Taste::coordinates => "220309 46141 290701 138580";
+  };
+  CubeSat : SYSTEM CubeSat.others {
+    Taste::coordinates => "83620 46140 191334 139366";
+  };
+  serial_minimal : BUS ocarina_buses::serial.minimal {
+    Taste::coordinates => "113698 157477 238419 180310";
+  };
+  interfaceview : SYSTEM interfaceview::IV::interfaceview.others;
+CONNECTIONS
+  LinkToCubeSat : BUS ACCESS serial_minimal -> EGSE.linux_serial_minimal_serial_minimal {
+    Taste::coordinates => "275111 132281 275111 168972 238419 168972";
+  };
+  LinkToEGSE : BUS ACCESS serial_minimal -> CubeSat.MSP430_eUSCI_A_serial_minimal_serial_minimal {
+    Taste::coordinates => "101572 131807 101572 168815 113698 168815";
+  };
+PROPERTIES
+  Actual_Connection_Binding => (reference (serial_minimal)) APPLIES TO interfaceview.CommandDispatcher_RI_report_MissionControl_PI_report;
+  Actual_Connection_Binding => (reference (serial_minimal)) APPLIES TO interfaceview.Housekeeping_RI_housekeeping_data_MissionControl_PI_housekeeping_data;
+  Actual_Connection_Binding => (reference (serial_minimal)) APPLIES TO interfaceview.MissionControl_RI_command_CommandDispatcher_PI_command;
+END deploymentview.others;
+
+PROPERTIES
+  Taste::coordinates => "0 0 297000 210000";
+  Taste::version => "2.4";
+  Taste::interfaceView => "InterfaceView.aadl";
+  Taste::HWLibraries => ("/home/taste/tool-inst/share/ocarina/AADLv2/ocarina_components.aadl");
+END deploymentview::DV;
+

demo-sat/Makefile

+KAZOO?=kazoo
+# Here you can specify folders containing external code you want to
+# compile and link for a specific partition.
+# Use upper case for the partition name:
+# export <PARTITION_NAME>_EXTERNAL_SOURCE_PATH=/absolute/path/1:/....
+
+export MSP430FR5969_PARTITION_EXTERNAL_SOURCE_PATH=/home/taste/projects/demo-sat/demo-sat/libs
+
+all:	c
+
+c:	work/glue_built
+	$(MAKE) -C work
+
+skeletons:
+	$(MAKE) work/skeletons_built
+
+work/skeletons_built:	InterfaceView.aadl DataView.aadl
+	$(KAZOO) --gw -o work
+	$(MAKE) -C work dataview
+	touch $@
+
+work/glue_built:	InterfaceView.aadl DeploymentView.aadl DataView.aadl
+	$(KAZOO) -p --glue --gw -o work
+	touch $@
+
+clean:
+	rm -rf work/build
+	rm -f work/glue_built work/skeletons_built
+	find work -type d -name "wrappers" -exec rm -rf {} +
+	find work -type d -name "*_GUI" -exec rm -rf {} +
+
+.PHONY: clean skeletons c

demo-sat/astylerc

+--indent-switches
+--break-blocks
+--pad-oper
+--unpad-paren
+--add-brackets
+--indent=spaces=4
+-A1
+--formatted
\ No newline at end of file

demo-sat/format.sh

+#!/bin/bash
+
+FILES=(work/hal/C/src/hal.c \
+       libs/msp430_i2c.h \
+       libs/msp430_i2c.c \
+       libs/msp430_adc.h \
+       libs/msp430_adc.c \
+       libs/msp430_pwm.h \
+       libs/msp430_pwm.c \
+       libs/payload_font.h \
+       libs/payload_font.c \
+       libs/oled_sdd1306_driver.h \
+       libs/oled_sdd1306_driver.c \
+       libs/mcp9808_driver.h \
+       libs/mcp9808_driver.c \
+      )
+
+for file in ${FILES[*]}
+do
+    echo "Formatting $file"
+    astyle --options=astylerc -n "$file"
+done

demo-sat/libs/mcp9808_driver.c

+#include "mcp9808_driver.h"
+
+#include "msp430_i2c.h"
+
+#define THERMOMETER_ADDRESS (0x18)
+
+#define THERMOMETER_REGISTER_RFU (0x00)
+#define THERMOMETER_REGISTER_CONFIG (0x01)
+#define THERMOMETER_REGISTER_ALERT_UPPER (0x02)
+#define THERMOMETER_REGISTER_ALERT_LOWER (0x03)
+#define THERMOMETER_REGISTER_CRITICAL_TEMP (0x04)
+#define THERMOMETER_REGISTER_TEMPERATURE (0x05)
+#define THERMOMETER_REGISTER_MANUFACTURER_ID (0x06)
+#define THERMOMETER_REGISTER_DEVICE_ID (0x07)
+#define THERMOMETER_REGISTER_RESOLUTION (0x08)
+
+/**
+ * Mask to access data bits from temperature register.
+ *
+ * MCP9808 offers 12 bits of data.
+ */
+#define THERMOMETER_DATA_MASK 0x0fff
+
+/**
+ * Mask to access sign bit from temperature register.
+ */
+#define THERMOMETER_SIGN_MASK 0x1000
+
+/**
+ * Cofficient used to convert value from temperature register to decimal value.
+ *
+ * Thermometer resolution is 0.0625 (power-up default)
+ */
+#define THERMOMETER_RESOLUTION 16.0
+
+float msp9808_get_temperature(void)
+{
+    // read temperature value register using I2C
+    uint8_t data[2];
+    msp430_i2c_read_data(THERMOMETER_ADDRESS, THERMOMETER_REGISTER_TEMPERATURE, data, 2);
+
+    // revert bytes of returned value
+    uint16_t value = (data[0] << 8) + data[1];
+
+    // convert to decimal value
+    // see MCP9808 datasheet for more details about conversion
+    float temp = 0.0;
+
+    if(value & THERMOMETER_SIGN_MASK)
+    {
+        // use conversion for negative temperature
+        temp = 256.0 - (value & THERMOMETER_DATA_MASK) / THERMOMETER_RESOLUTION;
+    }
+    else
+    {
+        // use conversion for positive temperature
+        temp = (value & THERMOMETER_DATA_MASK) / THERMOMETER_RESOLUTION;
+    }
+
+    return temp;
+}

demo-sat/libs/mcp9808_driver.h

+#ifndef MCP9808_DRIVER_H
+#define MCP9808_DRIVER_H
+
+/**
+ * Get current temperature using MCP9808 thermometer.
+ *
+ * @returns Current temperature in Celsius degree.
+ */
+float msp9808_get_temperature(void);
+
+#endif

demo-sat/libs/msp430_adc.c

+#include "msp430_adc.h"
+
+#include <stdint.h>
+
+#include <msp430.h>
+
+#include <FreeRTOS.h>
+#include <semphr.h>
+
+/**
+ * Value used to scale ADC conversion result.
+ *
+ * THe value is based on voltage divider used to measure voltage on solar panel.
+ */
+#define VOLTAGE_DIVIDER_RATIO 3.3
+
+/**
+ * Reference voltage value used by ADC.
+ */
+#define REFERENCE_VOLTAGE 2.5
+
+/**
+ * Precission of MSP430 ADC converter.
+ */
+#define ADC_PRECISSION_BITS 12
+
+/**
+ * The internal state of ADC module.
+ */
+struct MSP430_ADCState
+{
+    /**
+     * Semaphore used to synchronize function call with ADC interrupt.
+     */
+    SemaphoreHandle_t semaphore;
+    /**
+     * Buffer used to static allocation of semaphore.
+     */
+    StaticSemaphore_t semaphore_buffer;
+    /**
+     * The value to return result of ADC conversion from ADC interrupt.
+     */
+    volatile uint16_t voltage_raw_value;
+};
+
+static __attribute__((persistent))
+struct MSP430_ADCState msp430_adc_state = {0};
+
+void setup_adc(void)
+{
+    // Create semaphore
+    msp430_adc_state.semaphore = xSemaphoreCreateBinaryStatic(&msp430_adc_state.semaphore_buffer);
+    // Configure P1.3 for ADC
+    // P1.3 is A3 ADC channel
+    P1SEL1 |= BIT3;
+    P1SEL0 |= BIT3;
+
+    // By default, REFMSTR=1 => REFCTL is used to configure the internal reference
+    // If ref generator busy, WAIT
+    while(REFCTL0 & REFGENBUSY);
+
+    // Select internal ref = 2.5V, Internal Reference ON
+    REFCTL0 |= REFVSEL_2 | REFON;
+
+    ADC12CTL0 = ADC12SHT0_2 | ADC12ON;
+    // ADCCLK = MODOSC; sampling timer
+    ADC12CTL1 = ADC12SHP;
+    // 12-bit conversion results
+    ADC12CTL2 |= ADC12RES_2;
+    // Enable ADC conv complete interrupt
+    ADC12IER0 |= ADC12IE0;
+    // A1 ADC input select (A3 channel will be in ADC12MEM12) Vref+=2.5V; Vref-=AVSS (0.0V)
+    ADC12MCTL0 |= ADC12INCH_3 | ADC12VRSEL_1;
+
+    // Wait for reference generator to settle
+    while(!(REFCTL0 & REFGENRDY));
+}
+
+float adc_get_voltage(void)
+{
+    // start conversion
+    ADC12CTL0 |= ADC12ENC | ADC12SC;
+
+    // wait for interrupt
+    xSemaphoreTake(msp430_adc_state.semaphore, portMAX_DELAY);
+
+
+    float voltage = (msp430_adc_state.voltage_raw_value * REFERENCE_VOLTAGE)
+                    / (1 << ADC_PRECISSION_BITS) * VOLTAGE_DIVIDER_RATIO;
+
+    return voltage;
+}
+
+void __attribute__((interrupt(ADC12_VECTOR))) adc12_ISR(void)
+{
+    BaseType_t higher_priority_task_woken = pdFALSE;
+
+    switch(__even_in_range(ADC12IV, ADC12IV_ADC12RDYIFG))
+    {
+        case ADC12IV_ADC12IFG0:
+            msp430_adc_state.voltage_raw_value = ADC12MEM0;
+
+
+            xSemaphoreGiveFromISR(msp430_adc_state.semaphore, &higher_priority_task_woken);
+            break;
+
+        default:
+            break;
+    }
+
+    portYIELD_FROM_ISR(higher_priority_task_woken);
+}

demo-sat/libs/msp430_adc.h

+#ifndef MSP430_ADC_H
+#define MSP430_ADC_H
+
+/**
+ * Prepares ADC module to work.
+ *
+ * PIN configuration
+ *  P1.3 should be connected to voltage divider output
+ *
+ * The reference voltage is 2.5 V.
+ */
+void setup_adc(void);
+
+/**
+ * Get current voltage from ADC.
+ *
+ * @returns Current voltage in Volts.
+ */
+float adc_get_voltage(void);
+
+#endif

demo-sat/libs/msp430_i2c.c

+#include "msp430_i2c.h"
+
+#include <string.h>
+
+#include <msp430.h>
+
+#include <FreeRTOS.h>
+#include <semphr.h>
+
+enum MSP430_I2CMode
+{
+    MSP430_I2C_DATA_READ,
+    MSP430_I2C_DATA_WRITE
+};
+
+struct MSP430_I2CState
+{