Example files associated with the three books
Volume 1 Embedded Systems: Introduction to ARM Cortex M Microcontrollers  Fourth Edition (new 10/2013) 
Available from Amazon   e-book, Fourth edition includes material on TM4C123.
Volume 2 Embedded Systems: Real-Time Interfacing to ARM Cortex M Microcontrollers  Errata Third Edition (new 11/2013)
Available from Amazon   e-book  Third edition includes material on TM4C123.
Volume 3 Embedded Systems: Real-Time Operating Systems for ARM Cortex M Microcontrollers  Errata  Second edition (new 1/2014)  Available on Amazon   Second edition includes material on TM4C123.
These project files run on the LM3S811, LM3S1968, LM3S8962, LM4F120, or TM4C123 microcontrollers and will compile using the Keil uVision4 C compiler. Most of the examples also are configured to run on Texas Instrument's Code Composer Studio (for instructions on using CCS, refer to Appendix 3 of  Volumes 1 or 2) These files are Copyright by Jonathan W. Valvano. You may use, edit, run or distribute these files as long as the copyright notices within the files remain. No specific warrantee exists concerning the accuracy or reliability of these examples. I think they work, but history has shown, sometimes I can be wrong. If you want to get more information on the example, click on the C file. The zip files are complete uVision4 projects. How to convert a project based on one Stellaris microcontroller into a project for a different microcontroller  
 Go to Home Page   

Keil uVision Reference Manual and instructions for download and setup
Installing windows drivers for the Launchpad
How to install drivers on a Windows 8 machine

To download all LM3S1968 software  ValvanoWare_1968.zip
To download many TM4C123/LM4F123 software LaunchPadware.zip (include introductory software needed for EE319K Fall 2013)

To build the directory for the  LM3S811, LM3S1968,  or LM3S8962 is
ValvanoWare
   driverlib
   inc

   LCD_1968  (any LM3S example on this page)

To build a directory for the LM4F120 or TM4C123
LaunchPadware
    driverlib (with driverlib-cm4f.lib in it)
    inc

    GPIO_4F120 (any LM4F120 example on this page)
       

All of these LM4F120 examples will run on the new Tiva TM4C123 microcontroller.

Videos
How to change the name of an assembly project
How to build a not gate

Stellaris LaunchPad Tester booster pack and software application designed by Daniel Valvano

Assembly Language Examples for Volume 1

Link to download

Book reference

External Hardware

Ports used

Description

lm3s1968.s
lm4f120.s
    All These assembly files contain all the port addresses for the microcontroller. To use this file, you open this file copy the lines you need and paste the lines into your program. You cannot include this file, like you can include the lm3S1968.h file in C
SimpleProject_811asm.zip
SimpleProject_1968asm.zip
SimpleProject_4F120asm.zip
Program 3.2 none none Random number generator using
Switch_811asm.zip
Switch_1968asm.zip
Switch_4F120asm.zip
Program 4.2 One switch GPIO Input from switch
GPIO_811asm.zip
GPIO_1968asm.zip
GPIO_4F120asm.zip
Program 4.5, Example 4.2 Four LEDs GPIO Output pattern 5 6 10 9 to Port D
InputOutput_811asm.zip
InputOutput_1968asm.zip
InputOutput_4F120asm.zip
Section 4.2 On board switches and LED GPIO Functional abstraction of the switches and LED. Switches include internal pull-up resistors.
NotGate_1968asm.zip
GPIO_PORTG_1968asm.zip
Chapter 4 stuff Switch, LED Port D GPIO Input on PD0, not gate, output on PD1, see http://www.youtube.com/watch?v=cg2EuTgJF7Y PORTG version uses SELECT and LED on LM3S1968 board
Lab2starter.zip     GPIO EE319K lab 2 starter file with configuration for logic analyzer
SSR_1968asm.zip
SSR_4F120asm.zip
Program 4.3 Switch and LED GPIO Switch input and LED (or SSR) output
Squarewaves_1968asm.zip
SquarewavePG2_1968asm.zip
Squarewaves_4F120asm.zip
Program 4.4   GPIO Continuous output of two pins creating two squarewaves; PG2 version toggles LED every 1 second
PLL_811asm.zip
PLL_1968asm.zip
PLL_4F120asm.zip
Program 4.6 PG2 LED PLL, GPIO PLL used to change clock speed, LED flashes
SysTick_811asm.zip
SysTick_1968asm.zip
SysTick_4F120asm.zip
Program 4.6, Program 4.7 PG2 LED PLL, SysTick, GPIO LED flashes at constant rate, SysTick used to implement a time delay
Performance_1968asm.zip Program 4.10, Section 4.7 PG2 LED PLL, SysTick, GPIO Performance measurements on a square root function
PointerTrafficLight_1968asm.zip Example 6.6, Program 6.8 LEDs and switches PLL, SysTick, GPIO Finite state machine, linked structure
OLED_1968asm.zip Example 6.5, Program 6.11-6.13 OLED SSI Graphics driver for OLED, bit matrix, graphics buffer
LLFifo_1968asm.zip Section 6.6, Program 6.11-6.18 none none Linked list FIFO, dynamic memory manager
PeriodicSysTickInts_811asm.zip
PeriodicSysTickInts_1968asm.zip
PeriodicSysTickInts_4F120asm.zip
Program 9.7 LED PLL, SysTick, GPIO Interrupts are used to create a periodic task, need scope on LED output to debug (oscillates at 1000 Hz)
LinearInterpolation_1968asm.zip Program 6.22     Linear interpolation, sine function
MealyEngineControl_1968asm.zip Program 6.9     Mealy finite state machine
PeriodicTimer0AInts_1968asm.zip
PeriodicTimer0AInts_4F120asm.zip
Program 9.8     Timer interrupt
FIFO_4F120asm.zip
FIFO.s
  none none Pointer implementation of FIFO queue, size must be a power of 2. Implemented on the LM4F120, but will run on any Cortex M.
UART2_4F120asm.zip
UART2.s
Program 5.11 connection to PC UART0 Interrupt serial port, transmit receive interrupts, both hardware and software FIFO queues

C Examples from Volumes 1, 2, and 3

Link to download

Book reference

External Hardware

Ports used

Description

SSR_811.zip
SSR_1968.zip
SSR_4F120.zip
SSR.c

Example 2.1

Solid state relay

GPIO

Provide functions that initialize a GPIO pin and turn it on and off.  Use bit-banded I/O.

GPIO_811.zip
GPIO_1968.zip
GPIO_4F120.zip
GPIO.c

Example 2.2

Four LEDs

GPIO

Initialize four GPIO pins as outputs. Continually generate output to drive simulated stepper motor.

Switch_811.zip
Switch_1968.zip
Switch_4F120.zip
Switch.c

Example 2.3

One switch

GPIO

Provide functions that initialize a GPIO as input, and allows software to read the status of a switch.

PLL_811.zip
PLL_1968.zip
PLL_4F120.zip
PLL.c

Example 2.4

 

PLL

A software function to change the bus speed using the PLL.

SysTick_811.zip
SysTick_1968.zip
SysTick_4F120.zip
SysTick_wait_4F120.zip
SysTick.c

Program 2.11

 

SysTick

Provide functions that initialize the SysTick module, wait at least a designated number of clock cycles, and wait approximately a multiple of 10 milliseconds using busy wait.

OLED_811.zip
OLED_1968.zip
OLED_8962.zip
Output.c

Section 3.4.5

oLED on the board

On the 811, uses I2C, on the 1968 and 8962 used SSI

Abstraction of the OLED as a general purpose output device allowing the use of printf to stream to the OLED

Logo_1968.zip
Logo_8962.zip
logo.c

 

OLED on board

SSI

Start with a 4-bit (16 color) BMP file less than 128 by 80, convert it to a ROM buffer in the LM3S, then display it on the OLED. Includes a DOS executable, BmpConvert.exe, used to convert BMP to C source code for image data.

TableTrafficLight_811.zip
TableTrafficLight.c

Program 3.1, Example 3.1

Red, Yellow, Green LEDs, resistors, drivers, switches

GPIO, SysTick

Use a table implementation of a Moore finite state machine to operate a traffic light.

PointerTrafficLight_811.zip
PointerTrafficLight_1968.zip
PointerTrafficLight.c

Program 3.2, Example 3.1

Red, Yellow, Green LEDs, resistors, drivers, switches

GPIO, SysTick, PLL

Use a pointer implementation of a Moore finite state machine to operate a traffic light.

PortableTrafficLight_811.zip
PortableTrafficLight.c

Program 3.3

Red, Yellow, Green LEDs, resistors, drivers, switches

GPIO, SysTick

Use a table implementation of a Moore finite state machine to operate a traffic light.  This time, only the "#define" section is processor specific, and the rest of the code can easily be adapted to another system.

PointerRobot_811.zip
PointerRobot.c

Example 3.2, Program 3.4

LEDs and switches simulate robot functions

GPIO

Use a pointer implementation of a Mealy finite state machine to control a robot.

FunctionRobot_811.zip
FunctionRobot.c

Example 3.2, Program 3.5

LEDs and switches simulate robot functions

GPIO

Use a function pointer implementation of a Mealy finite state machine to control a robot.  Use bit-banded I/O.

         

 MealyEngineControl_1968.zip

Volume 1, Program 6.9

 

 

 Mealy finite state machine

FIFO_811.zip FIFO_1968.zip FIFO.c  FIFO.h Programs 3.7, 3.8, 3.9 and 3.10   GPIO, Timer0A periodic interrupts First in first out queue, pointer method and index method Provide functions that initialize a FIFO, put data in, get data out, and return the current size. The file includes an index and a pointer implementation and macros to create more FIFOs. Periodic interrupts are used to verify the FIFO has no critical sections.

 

 

 

 

 

HeapFixedBlock_8962.zip

Heap.c   Heap.h

Program 3.11, Volume 3, Program 3.1, Section 3.2.2

 

 

Fixed size memory manager. Allocate memory block, and deallocated block.

Clock_811.zip

Clock.c

 

 

SysTick

Provide functions that initialize the SysTick module, wait at least a designated number of clock cycles, and wait approximately a multiple of 1 millisecond.

Performance_811.zip

Performance_1968.zip 

Performance.c

Program 3.17

 

SysTick

Use the SysTick timer to measure approximately how long it takes to calculate a square root.

LCD_1968.zip

lcd.c

Section 4.7.1, Program 4.2,  Program 4.3

HD44780 LCD

GPIO, SysTick

LCD interface using 8-bit parallel port mode, blind-cycle synchronization using SysTick timer. Will work with both 3.3V and 5V devices

Nokia5110_4F120.zip Nokia5110.c   Nokia 5110 SSI0 48x84 LCD graphics; example can output characters and draw images on the screen, https://www.sparkfun.com/products/10168
ST7735.c
ST7735_4F120.zip
  ST7735 SSI0, PPL, Systick 128x160 pixels, 1.8" 18-bit color TFT LCD display; example can output characters and draw images on the screen, http://www.adafruit.com/products/358
SSD2119.c we are working on this example   Kentec EB-LM4F120-L35 All PortB, PA7-4 SSD2119 interface on a 320x240 pixels, 16-bit color, 3.5 in, 15 pin

Stepper_811.zip
Stepper_4F120.zip

stepper.c

Example 4.1, Programs 4.4, 4.5 and 4..6

Stepper motor

GPIO, SysTick

Provide functions that step the motor once clockwise, step once counterclockwise, initialize the stepper motor interface, and turn the motor to the valid desired position.

ParallelKeypad_811.zip

ParallelKeypad.c

Example 4.2, Program 4.7

Parallel keypad

GPIO

Use a busy-wait loop to wait for a rising edge and then return the parallel data from the keypad.

ParallelADC_811.zip

ParallelPrinter_811.zip

ParallelPrinter.c

 

Parallel ADC

GPIO

Use a handshaked interface to request an ADC conversion, wait for a rising edge signaling completion, and return the parallel result.

Handshake_1968.zip

Example 4.3, Program 4.8

Parallel printer

GPIO

Use a handshaked interface to request a character print while outputting a parallel character and wait for a rising edge signaling completion.

Receiver.c

Transmitter.c

Example 4.4, Programs 4.9, 4.10, and 4.11

Two microcontrollers

GPIO

Two microcontrollers interfaced via parallel ports, synchronization with busy-wait, handshaked protocol

UART_811.zip

UART_1968.zip

UART_8962.zip
UART_4F120.zip

UART.c

Program 4.12

Virtual COM port through debugger USB

UART

Provide functions that initialize the UART, wait for and return a character, and print a character.

MatrixKeypad_1968.zip

MatrixKeypad.c

Example 4.5, Programs 4.13, 4.14

4 by 4 matrix keyboard

GPIO

Busy-wait synchronization of a keyboard. Row by row scanning of the matrix keyboard. Not debounced.

EdgeInterrupt_811.zip
EdgeInterrupt_4F120.zip

EdgeInterrupt.c

Program 5.6

External switch

GPIO

Request an interrupt on the falling edge of PC4 (when the user button is pressed) and increment a counter in the interrupt. Note that button bouncing is not addressed.

TwoButtonVector_811.zip

TwoButtonVector.c

Example 5.1, Program 5.7

One button and resistor

GPIO

Use vectored interrupts to respond to two button presses. Note that button bouncing is not addressed.

TwoButtonPoll_811.zip

Example 5.1, Program 5.8

Two buttons and resistors

GPIO

Use polled interrupts to respond to two button presses. Note that button bouncing is not addressed.

ParallelKeypadInt_811.zip

Example 5.2, Program 5.9

Parallel keypad

GPIO

Use an interrupt on the rising edge and then return the parallel data from the keypad.

ParallelPrinterInt_811.zip

Example 5.3, Program 5.10

Parallel printer

GPIO

Use a handshaked interface synchronized with interrupts to request a character print on a parallel printer. Interrupt when the printing is complete.

TwoButtonFunct_811.zip

old version

Two buttons and resistors

GPIO

Use vectored interrupts to run functions when buttons are pressed. One button and function pair is higher priority.

UART2_811.zip
UART2_1968.zip
UART2_4F120.zip

UART2.c

Program 5.11

 

UART

Use UART0 to implement bidirectional data transfer to and from a computer running HyperTerminal. This time, interrupts and FIFOs are used.

PeriodicSysTickInts_811.zip

PeriodicSysTickInts_1968.zip

PeriodicSysTickInts_2110.zip

PeriodicSysTickInts_8962.zip
PeriodicSysTickInts_4F120.zip

PeriodicSysTickInts.c

Program 5.12

 

GPIO, SysTick

Periodic interrupts using SysTick. Software allows you to select the interrupt period and attach a user program (hook)

MatrixKeypadPeriodic_1968.zip

Matrix.c

Example 5.4, Figure 5.18, Program 5.13

4 by 4 matrix keyboard

GPIO, SysTick

Periodic polling synchronization of a keyboard. Row by row scanning of the matrix keyboard occurs during a period SysTick ISR. Data passed via a FIFO. This solution debounces the keyboard.

InputCapture_811.zip

InputCapture_1968.zip
InputCapture_4F120.zip

InputCapture.c

Program 6.1

 

GPIO, Timer0A

Use Timer0A in edge time mode to request interrupts on the rising edge of PD4 (CCP0), and count the pulses.

PeriodMeasure_811.zip
PeriodMeasure_8962.zip

PeriodMeasure_4F120.zip

PeriodMeasure.c

Example 6.2, Program 6.2

 

GPIO, Timer0A

Use Timer0A in edge time mode to request interrupts on the rising edge of PD4 (CCP0), and measure period between pulses.

PeriodicTimer0AInts_811.zip
PeriodicTimer0AInts_1968.zip
PeriodicTimer0AInts_4F120.zip
Periodic32bitT0Ints_4F120.zip
Timer0A.c

Program 6.5, Example 6.6

 

GPIO, Timer0A, PLL

Use Timer0A in periodic mode to request interrupts at a particular period. Uses the timer prescale.

PulseCount_811.zip

 

 

GPIO, Timer0A

Use Timer0A in edge time mode to request interrupts on the rising edge of PD4 (CCP0), and count the pulses.

HighPulseMeasure_811.zip

 

 

GPIO, Timer0A

Use Timer0A in edge time mode to record time at rising and falling edges of PD4 (CCP0), and subtract them to get high pulse duration.

HighPulseMeasureInts_811.zip

 

 

GPIO, SysTick

Use Timer0A in edge time mode to request interrupts on both edges of PD4 (CCP0), determine which edge occurred, and subtract times to get period.

HighPulseMeasureHW_811.zip

 

 

Timer0

Use both subtimers of Timer0 to record time at rising and falling edges of the signal. An interrupt makes the data available, but measurement is in hardware.

Timer0APWM_811.zip
 

Program 6.6

 

Timer0

Use Timer0A in PWM mode to generate a square wave of a given period with 50% duty cycle.

FlexibleTimer0APWM_811.zip
Timer0APWM_4F120.zip

 

 

Timer0

Use Timer0A in PWM mode to generate a square wave of a given high period and low period.

FreqMeasure_811.zip

Program 6.8

 

GPIO, Timer0

Use Timer0B in edge count mode to count positive edges within a period set by Timer0A in periodic mode. In Timer0A periodic interrupts, calculate frequency.

LongPeriodMeasure_811.zip

Program 6.9

 

GPIO, Timer0

Use Timer0A in edge time mode to request interrupts on the rising edge of PD4 (CCP0). In Timer0B periodic interrupts, count amount of time between rising edges to determine period.

PWM_811.zip
PWM_1968.zip
PWMDual_4C123.zip
PWM_4C123.zip

 

Program 6.7

 

PWM0

Use PWM0 to generate a 100 Hz square wave with 50% duty cycle.

SyncPrinter_811.zip

Program 7.1

 

GPIO, UART

Use UART0 to implement a printer interface with DTR synchronization. When the user button is pressed, DTR is low, and the printer is ready.

MAX5353_811.zip
MAX5353_4F120.zip

Program 7.2

MAX5353 12-bit DAC

SSI

Provide a function that initializes the SSI0 module to interface with a MAX5353 12-bit DAC, and use SSI0 to send a 16-bit code to the MAX5353 and return the reply.

MAX1246_811.zip

Program 7.3

MAX1246 12-bit ADC

SSI

Provide a function that initializes the SSI0 module to interface with a MAX1246 12-bit ADC, and use SSI0 to send an 8-bit channel number code to the MAX1246 and return a 12-bit ADC value.

74HC595_811.zip

Program 7.4

74HC595 shift register

SSI

Use SSI0 to interface with a 74HC595 shift register to convert 3 output ports to 8 output ports.

I2C_811.zip

Programs 7.5, 7.6, 7.7

HMC6352 compass or TMP102 thermometer

I2C

Provide functions that initialize the I2C0 module to interface with an HMC6352 compass or TMP102 thermometer, send 1, 2, or 3 bytes to a particular slave address, and receive 1 or 2 bytes from a particular slave address.

InternalResistors_811.zip

 

Two buttons

GPIO

Provide a function that initializes GPIO PortD for a pull-up resistor on PD0 and a pull-down resistor on PD1.

DebounceSysTick_811.zip

 

One button

GPIO, SysTick

Use the SysTick timer to de-bounce a switch using 10 ms blind waits.

DebounceTimer_811.zip

 

One button

GPIO, Timer0A

Use Timer0A in periodic mode to debounce a switch using an interrupt. Basically, the switch is read every 10 ms.

DebounceCombo_811.zip

 

One button

GPIO, Timer0A, Timer0B

Use Timer0A in edge time mode to request interrupts on any edge of PD4 (CCP0) and start Timer0B. In Timer0B one-shot interrupts, record the state of the switch once it has stopped bouncing. This interface features minimum latency and allows for the user to attach functions to switch touch and switch release.

Piano_811.zip

 

16 buttons

GPIO, Timer0A

Use Timer0A in periodic mode to request interrupts to record changes on the 16 piano keys, directly connected to 16 GPIO pins.

MatrixKeypad_811.zip

old version with timer interrupts

Matrix keypad, resistors

GPIO, Timer0A

Provide functions that initialize GPIO ports and timers, arm the matrix keypad to respond to a button press, and scan the matrix keypad and return the ASCII code for the key pressed and number of keys pressed. Create a data structure based on the appearance of the keypad. Finally, use key wakeup interrupts on any change of GPIO Port A, then use Timer0A to request an interrupt in 10 ms to scan the matrix keypad.

7Segment_811.zip

 

7-segment LEDs, resistors, 2N2907, 2N2222

GPIO, Timer0A

Use Timer0A in periodic mode to request interrupts to interface a scanned LED display and refresh the image. Panel select driven by PNP transistor; segment select driven by NPN transistor.

PWMSine_811.zip
PWMSine_1968.zip

Program 8.7

Resistor capacitor filter

PWM0

Use PWM0 to generate a sine wave of a given frequency. Timer0A periodic interrupts are used to cycle through each element of the output wave sequence.

ADCSWTrigger_811.zip
ADCSWTrigger_1968.zip
ADCSWTrigger_4F120.zip
ADCSWTrigger.c
ADC_TwoChanSWTrigger_1968.zip
ADCSWTriggerTwoChan_4F120.zip

 

 

ADC

Provide functions that initialize ADC SS3 to be triggered by software and trigger a conversion, wait for it to finish, and return the result. The TwoChan examples use SS2 sampling two channels with software start and busy-wait synchronization.

ADCT0ATrigger_811.zip
ADCT0ATrigger_4F120.zip
ADCT0ATrigger.c

 

 

ADC, Timer0A

Provide a function that initializes Timer0A to trigger ADC SS3 conversions and request an interrupt when the conversion is complete.

ADCPrintResults_811.zip
ADCPrintResults_1968.zip

 

 

ADC, PLL, Timer0A, UART

Use a setup similar to ADCT0ATrigger.c to gather ADC samples into a buffer. When the buffer is full, print them to the UART separated by TABs.

PI_811.zip

 

DC motor, TIP120, diode, resistor

PWM0, Timer0

Use a setup similar to PeriodMeasure.c to measure the tachometer period. Implement a PI controller to keep this period near a desired value.

Incremental_811.zip

 

DC motor, TIP120, diode, resistor

PWM0, Timer0A

Use a setup similar to PeriodMeasure.c to measure the tachometer period. Implement an incremental controller to keep this period near a desired value.

PICalibrate_811.zip

 

DC motor, TIP120, diode, resistor

PLL, PWM0, Timer0A, Timer1, UART

Use PWM0 to drive the motor at a steady 25% duty cycle for a short time. Then, abruptly increase to 75% duty cycle and measure the tachometer period to calculate constants for the PI controller.

Servo_811.zip

 

HiTec HS-322HD servo

PWM0, UART

Accept a string from the UART, parse it into a period, use PWM to output this period to the servo, which rotates to a particular angle.

Linecamera_811.zip

 

TSL1401R-LF camera

ADC0, ADC1, GPIO, I2C0, PLL, Timer0, UART

Interface a line camera, periodically take images, display them on the OLED display. Exposure length set by potentiometer position.

rit128x96x4.c
rit128x96x4.h
OLED graphics oLED on the LM3S1968 board SSI on LM1968 or LM8962 Additional functionality to plot measured signals versus time. See the comments for RIT128x96x4PlotClear,   RIT128x96x4PlotPoint(); RIT128x96x4PlotNext();
RIT128x96x4ShowPlot();
AGM1264_1968.zip
AGM1264_4F120.zip
  AGM1264 LCD graphics  GPIO, PLL on LM1968 or LM4F120 The LCD-00710 from www.sparkfun is a low-cost graphics LCD. It is 64 by 128 screen interfaced with 12 parallel output pins and is powered by 5V. It interfaces directly to the 3.3V LM3S without level shifters.
Flash_811.zip
FlashProgram.c
Volume 3, Programs 6.2 and 6.3   Internal EEPROM Provide functions that initialize the flash memory, write 32-bit data to flash, write an array of 32-bit data to flash, and erase a 1 KB block.
Heap_8962.zip
Heap_4F120.zip
heap.c
heap.h
Volume 3, Section 3.2.3     Memory manager implementing malloc and free

RTOS_811.zip

osasm.txt  os.c

Volume 3, Programs 4.4 through 4.12, Section 4.2

 

GPIO, PLL, SysTick

Implement a real-time operating system with tasks

SDC_8962.zip
SDC_2110.zip
SDC_4F120.zip
Volume 3, Section 6.6, Program 6.4 Secure digital card Systick, and SSI Low-level device driver for secure digital card
Camera_811.zip
camera.c
Volume 3, Program 6.5 TCM8230MD digital camera I2C, PWM, and parallel ports An interface of a camera with a resolution of  640 by 256 with RGB=5:6:5 color
CAN_8962_2110.zip
CAN_4F120.zip
Volume 3 CAN cable Controller Area Network, CAN The LM3S8962 board is interfaced to the LM3S2110 board via CAN. The switch position on one board is displayed as LED status on the other. Communication is both directions.
PI_811.zip
PI.c
Volume 3, Program 10.3 DC motor and tachometer PWM, input capture Proportion Integral Digital Controller, speed is measured with a tachometer and input capture. Power is controlled with PWM and a Darlington transistor, The system runs the motor at constant speed under variable load
ezLCD_811.zip
Application Note
ezLCD.h  ezLCD.c
  ezLCD301 and speaker UART, PWM, ADC, Timer0 The ezLCD301 is a color graphics module with touch screen. See http://store.earthlcd.com/ezLCD-301. It is interfaced to a LM3S811. The zip file includes PCBartist files to create a PCB that fits into a PacTec XP-RB enclosure.
Ethernet_8962.zip Volume 3, Program 9.1 Crossover Ethernet cable Ethernet, SysTick This example will appear in the second edition of Volume 3 due to be published Jan 2013. Information is communicated from one LM3S8962 to another via Ethernet.

LinearInterpolation_1968.zip
LinearInterpolation_1968asm.zip
LinearInterpolation.c
 

Volume 1, Program 6.22     Linear interpolation, sine function
DMASoftware_4F120.zip
DMASoftware.c
Volume 3, Program 6.1 none uDMA Memory to memory transfer using uDMA
DMATimer_4F120.zip
DMATimer.c
Volume 3, Chapter 6 PORTF input Timer, uDMA PORTF to memory transfer using uDMA, triggered by a periodic timer.
DMASPI_4F120.zip Volume 3, Chapter 6 MAX5353 12-bit DAC Timer, SSI, uDMA Streaming data from memory to DAC/SSI using periodic timer, and ping-pong DMA.

 

 

Last updated March 26, 2014