Press release date: January 2, 2025

January 2, 2025, Terre Haute, IN – Simma Software, Inc. announced today the release of a high-performance UDS flash bootloader for the Texas Instruments AM263x microcontroller.  The company has now developed and delivered over 100 bootloader projects to their global customer base supporting multiple interfaces such as CAN (J1939 and UDS), LIN, and Ethernet (including 10BASE T1S).  The Simma designed bootloader comes with several optional custom design features including encryption, authentication, and host application adapter and flashing protocol.

The feature set of the newly released Sitara UDS bootloader includes the ability to flash update all four cores of the AM263x MCU, supports vFlash, and deploys A/B partitioning.  Additionally, the bootloader uses a CAN device driver that supports both standard CAN as well as CAN FD.

As Texas Instruments’ preferred CAN solutions provider to their global customer base, Simma Software has a long history of working with all the various TI microcontroller families.  The company continues to expand their CAN based products including MCU specific CAN-FD device drivers and target specific flash bootloaders.

About Simma Software, Inc.

Simma Software, Inc. specializes in real-time embedded software and hardware for the automotive, military, and industrial automation industry.  Products and services include protocol stacks, bootloaders, device drivers, training, and consultation on the following technologies: J1939, CAN, J1587, J1708, J2497, J1922, J1979, ISO 15765, OBD-II, CANopen, UDS, XCP, and NMEA2000.  The company also has a full suite of vehicle network adapters supporting RS232 and USB interfaces.

MEDIA CONTACT: Patrick Browne, Ph: 888-256-3828 E-mail: sales ‘at’ simmasoftware.com

The post Simma Software Releases UDS Flash Bootloader for Texas Instruments AM263x appeared first on Simma Software.

Press release date: January 15, 2025

January 15th, 2025, Terre Haute, IN – Simma Software, Inc. announced today the launch of

a project to meet the Automotive Safety Integrity Level (ASIL) functional safety requirements for their Unified Diagnostic Services (UDS) software stack.  ASIL is a risk classification system defined by the ISO 26262 standard for the functional safety of road vehicles.  Upon completion of the project, full documentation will be available including a safety plan, software safety analysis report, and traceability metrics.

Simma Software’s UDS protocol stack has been used by its global customers in the automotive market since 2010.  According to JR Simma, the company’s founder and Director of Engineering, “Achieving ASIL B conformance for our UDS software marks an important step in the company’s future plans.  Many Tier 1 suppliers are required to provide functionally safe software solutions to their OEM partners.  We intend to systematically achieve ASIL B certification for the software modules we offer to the marketplace, and increases our ability to provide the type of robust software solutions our customers demand.”

About Simma Software, Inc.

Simma Software, Inc. specializes in real-time embedded software and hardware for the automotive, military, and industrial automation industry.  Products and services include protocol stacks, bootloaders, device drivers, training, and consultation on the following technologies: J1939, CAN, J1587, J1708, J2497, J1922, J1979, ISO 15765, OBD-II, CANopen, UDS, XCP, and NMEA2000.  The firm also has a full suite of vehicle network adapters supporting RS232, USB, and Bluetooth interfaces.

MEDIA CONTACT: Patrick Browne, Ph: 888-256-3828 E-mail: sales ‘at’ simmasoftware.com

The post Simma Software Launches ASIL B Conformance for UDS Protocol Stack appeared first on Simma Software.

Press release date: September 19th, 2024

September 19th, 2024, Terre Haute, IN – Simma Software, Inc. announced today the release of a high-performance LIN bootloader for the Microchip DSPIC33C.  The company has now developed and delivered over 100 flash bootloader projects to their global customer base supporting multiple interfaces including CAN (J1939 and UDS), LIN, Ethernet, RS232, USB and Bluetooth.  The Simma designed bootloader comes with several optional custom design features including enhanced security (encryption and authentication), updateable bootloader, and host application adapter plus flashing protocol.

Simma Software specializes in the automotive market to supply customers with embedded software solutions.  According to Patrick Browne, the company’s Director of Business Development, “The LIN project we just completed for a European automotive OEM marks a significant step forward with our LIN software offerings.  Adding this enhanced LIN support to our world class CAN expertise opens up many additional opportunities to engage new customers.” 

About Simma Software, Inc.

Simma Software, Inc. specializes in real-time embedded software and hardware for the automotive, military, and industrial automation industry.  Products and services include protocol stacks, bootloaders, device drivers, training, and consultation on the following technologies: J1939, CAN, LIN, J1587, J1708, J2497, J1922, J1979, ISO 15765, OBD-II, CANopen, UDS, XCP, and NMEA2000.  The firm also has a full suite of vehicle network adapters supporting RS232 and USB.

MEDIA CONTACT: Patrick Browne, Ph: 888-256-3828 E-mail: sales ‘at’ simmasoftware.com

The post Simma Software Releases LIN Flash Bootloader for Microchip DSPIC33C For European Automotive OEM appeared first on Simma Software.

Press release date: February 1, 2023

Texas Instruments Dual-Core Delfino J1939 Bootloader

February 1, 2023, Terre Haute, IN – Simma Software, Inc. announced today the release of a high-performance J1939 flash bootloader for Texas Instruments TMS320F28377D. The firm has now developed and delivered over 100 flash bootloader projects to their global customer base supporting multiple interfaces including CAN (J1939 and UDS), LIN, ethernet, RS232, and USB. The Simma designed bootloader comes with several optional custom design features including encryption, authentication, secure boot, updateable bootloader, and host application adapter and flashing protocol.

As Texas Instruments’ preferred CAN solutions provider to their global customer base, Simma Software has a long history of working with all the various TI microcontroller families. The firm continues to expand their CAN based products including MCU specific CAN-FD device drivers, higher level CAN protocol stacks, and flash bootloaders.

About Simma Software, Inc.

Simma Software, Inc. specializes in real-time embedded software and hardware for the automotive, military, and industrial automation industry. Products and services include protocol stacks, bootloaders, device drivers, training, and consultation on the following technologies:
J1939, CAN, CAN FD, LIN, J1587, J1708, J2497, J1922, J1979, ISO 15765, OBD-II, CANopen, UDS, XCP, and NMEA2000. The firm also has a full suite of vehicle network adapters supporting RS232, and USB interfaces.

MEDIA CONTACT: Patrick Browne, Ph: 888-256-3828 E-mail: sales ‘at’ simmasoftware.com

The post Release of J1939 Bootloader for TI Delfino Dual Core appeared first on Simma Software.

Press release date: October 1, 2022

Microchip PIC32MK UDS Bootloader with Microchip TA100

October 1, 2022, Terre Haute, IN – Simma Software, Inc. announced today the release of a high-performance UDS bootloader for the Microchip PIC32MK using Microchip Trust Anchor (TA100) for enhanced security. The firm has now developed and delivered over 100 flash bootloader projects to their global customer base supporting multiple interfaces including CAN (J1939 and UDS), LIN, Ethernet, RS232, and USB. The Simma designed bootloader comes with several optional custom design features including encryption, authentication, secure boot, updateable bootloader, and host application adapter and flashing protocol.

The TA100 is a security IC for automotive security applications that provides support for code authentication (secure boot), message authentication, trusted firmware updates, and multiple key management protocols. As a companion device to an MCU on the same board, the TA100 integrates multiple asymmetric, symmetric and hashing security protocols supporting an enhanced hardware-based cryptographic key storage and countermeasures to eliminate potential backdoors linked to software weaknesses.

About Simma Software, Inc.

Simma Software, Inc. specializes in real-time embedded software and hardware for the automotive, military, and industrial automation industry. Products and services include protocol stacks, bootloaders, device drivers, training, and consultation on the following technologies: J1939, CAN, CAN FD, LIN, J1587, J1708, J2497, J1922, J1979, ISO 15765, OBD-II, CANopen, UDS, XCP, and NMEA2000. The firm also has a full suite of vehicle network adapters supporting RS232, and USB interfaces.

MEDIA CONTACT: Patrick Browne, Ph: 888-256-3828 E-mail: sales ‘at’ simmasoftware.com

The post Release of PIC32MK UDS Bootloader appeared first on Simma Software.

Press release date: January 3, 2022

J1939 Software Stack to Support CAN FD

January 3, 2022, Terre Haute, IN – Simma Software, Inc. announced today an addition to their J1939 software capabilities with the release of a J1939-22 software stack. Having supported the J1939 protocol since inception of the company, this is an important addition to the firm’s J1939 software suite.

The J1939-22 standard from SAE describes the data link layer using the flexible data rate as defined in ISO 11898-1. Commonly called CAN FD, the flexible data rate capability in CAN is implemented as a transport layer in order to allow for functional safety, cybersecurity, and extended transport capability. J1939 FD includes several advantages verses standard CAN including: up to 64 byte data payloads, multiple PGNs can be combined into a single CAN FD frame, and higher bit rates. This increases packets per second (PPS) and network throughput.

About Simma Software, Inc.

Simma Software, Inc. specializes in real-time embedded software and hardware for the automotive, military, and industrial automation industry. Products and services include protocol stacks, bootloaders, device drivers, training, and consultation on the following technologies: J1939, CAN, CAN FD, LIN, J1587, J1708, J2497, J1922, J1979, ISO 15765, OBD-II, CANopen, UDS, XCP, and NMEA2000. The firm also has a full suite of vehicle network adapters supporting RS232, and USB interfaces.

MEDIA CONTACT: Patrick Browne, Ph: 888-256-3828 E-mail: sales ‘at’ simmasoftware.com

The post Release of J1939-22 (J1939 FD) Stack appeared first on Simma Software.

Press release date: August 1, 2020

Diagnostic over Internet Protocol (DoIP) Software Release

September 1, 2020, Terre Haute, IN – Simma Software, Inc. announced today the release of a high-performance Diagnostic over Internet Protocol (DoIP) software stack, developed for a global autonomous vehicle company. As Ethernet becomes more widely adopted by automotive OEMs and Tier 1 suppliers, this software release is an important addition to the firm’s software offerings.

ISO 13400 describes the general use cases and communication scenarios which are covered by an Internet Protocol-based vehicle communication standard, and allows for UDS to operate over a TCP/IP or UDP/IP protocol. This is turn allows customers a higher data rate and a seamless connection from edge to cloud-based servers.

About Simma Software, Inc.

Simma Software, Inc. specializes in real-time embedded software and hardware for the automotive, military, and industrial automation industry. Products and services include protocol stacks, bootloaders, device drivers, training, and consultation on the following technologies: J1939, CAN, CAN FD, LIN, J1587, J1708, J2497, J1922, J1979, ISO 15765, OBD-II, CANopen, UDS, XCP, and NMEA2000. The firm also has a full suite of vehicle network adapters supporting RS232, and USB interfaces.

MEDIA CONTACT: Patrick Browne, Ph: 888-256-3828 E-mail: sales ‘at’ simmasoftware.com

The post Release of UDS over IP (DoIP) ISO 13400 Software appeared first on Simma Software.

Press release date: June 1, 2020

Microchip dsPIC33CK CAN FD Software Driver

June 1, 2020, Terre Haute, IN – Simma Software, Inc. announced today the release of a high performance CAN FD device driver for the Microchip dsPIC33CK microcontroller. The release of this CAN driver adds to the growing list of MCUs that Simma Software supports and are used in conjunction with the major CAN protocols including J1939, ISO 15765, UDS, CANopen, XCP, and NMEA 2000.

The dsPIC33CK family features a single 100 MIPS 16-bit dsPIC DSC core with an ample list of on-chip peripherals including CAN flexible data rate (CAN FD). CAN FD features network speeds up to 5 Mbps and data payloads up to 64 bytes. The DSCs allow for the design of high performance, precision motor control systems with low power consumption. They are also well suited for use in other high-performance general-purpose designs and applications.

The CAN software for the dsPIC33CK adds to an already robust list of supported Microchip parts. According to JR Simma, the firm’s founder and current Director of Engineering, “We have a long history with the dsPIC33 starting with the dsPIC33F and dsPIC33E families. With customers employing CAN FD into new designs, we prioritized doing the development work to support the dsPIC33CK.”

About Simma Software, Inc.

Simma Software, Inc. specializes in real-time embedded software and hardware for the automotive, military, and industrial automation industry. Products and services include protocol stacks, bootloaders, device drivers, training, and consultation on the following technologies: J1939, CAN, CAN FD, J1587, J1708, J2497, J1922, J1979, ISO 15765, OBD-II, CANopen, UDS, XCP, and NMEA2000. The firm also has a full suite of vehicle network adapters supporting RS232, and USB interfaces.

MEDIA CONTACT: Patrick Browne, Ph: 888-256-3828 E-mail: sales ‘at’ simmasoftware.com

The post Simma Software Releases CAN FD Driver for Microchip dsPIC33CK appeared first on Simma Software.

Press release date: March 2, 2020

Microchip MCP2518FD CAN FD Software Driver

March 2, 2020, Terre Haute, IN – Simma Software, Inc. announced today the release of a highperformance CAN device driver for the Microchip MCP2518FD external CAN FD controller. The release of this CAN driver adds to the growing list of external CAN controllers and MCUs that Simma Software supports and are used in conjunction with the major CAN protocols including J1939, ISO 15765, UDS, CANopen, XCP, and NMEA 2000.

The MCP2518FD is a low-cost external CAN FD controller which can be added to a hardware design using a microcontroller without CAN FD support, or an additional CAN port is required for the design. The MCP2518FD controller supports both classic CAN as well as CAN flexible data rate (CAN FD). CAN FD features network speeds up to 5 Mbps and data payloads up to 64 bytes.

The CAN software for the MCP2518FD adds to an already robust list of supported Microchip parts. According to Patrick Browne, the firm’s Director of Business Development, “As a firm, Simma Software has long supported all of Microchip’s MCU families and external CAN controllers. We continue to expand our product library to offer software solutions to customers that are incorporating Microchip parts into their embedded designs.”

About Simma Software, Inc.

Simma Software, Inc. specializes in real-time embedded software and hardware for the automotive, military, and industrial automation industry. Products and services include protocol stacks, bootloaders, device drivers, training, and consultation on the following technologies: J1939, CAN, CAN FD, J1587, J1708, J2497, J1922, J1979, ISO 15765, OBD-II, CANopen, UDS, XCP, and NMEA2000. The firm also has a full suite of vehicle network adapters supporting RS232, and USB interfaces.

MEDIA CONTACT: Patrick Browne, Ph: 888-256-3828 E-mail: sales ‘at’ simmasoftware.com

The post Simma Software Releases CAN FD Driver for Microchip MCP2518FD appeared first on Simma Software.

Press release date: October 1, 2019

J1939 Software in C#

October 1, 2019, Terre Haute, IN – Simma Software, Inc. announced today the release of a new addition to their J1939 suite of software products with a C# version of the protocol stack. This new version of J1939 software continues to cement Simma Software as one of the foremost experts in the embedded software industry for J1939 and other CAN related software solutions.

Software engineers from Simma designed the C# J1939 software by implementing an API wrapper around the standard C code version of the stack. The ANSI C version of J1939 software has been out in the marketplace for nearly 15 years, and is used by automotive OEMs and Tier 1 suppliers all over the globe.

The new C# version for J1939 allows customers the ability to run J1939 in a Windows environment. This is especially useful for the design and implementation of a PC based service or diagnostic tool for the commercial automotive industry.

About Simma Software, Inc.

Simma Software, Inc. specializes in real-time embedded software and hardware for the automotive, military, and industrial automation industry. Products and services include protocol stacks, bootloaders, device drivers, training, and consultation on the following technologies: J1939, CAN, J1587, J1708, J2497, J1922, J1979, ISO 15765, OBD-II, CANopen, UDS, XCP, and NMEA2000. The firm also has a full suite of vehicle network adapters supporting RS232, and USB interfaces.

MEDIA CONTACT: Patrick Browne, Ph: 888-256-3828 E-mail: sales ‘at’ simmasoftware.com

The post Simma Software Introduces J1939 Protocol Stack in C# appeared first on Simma Software.