J1939 Protocol Stack from Emotas


The emotas J1939 stack supports all J1939 features and enables a fast and straight-forward development of J1939 applications on multi TI MCU platforms including MSPM0, various TMS3200, Hercules and Sitara. The stack covers J1939 Address Claiming, both transport protocols and the transmission and reception of PGNs. Additionally, an ISO-TP server and client is included. Optional extension packages include support for J1939 Diagnostic Messages, J1939 Safety or even J1939 variants such as NMEA2000 or RV-C. The J1939 stack is delivered as ANSI-C source code and the scope of delivery includes ready-to-run example projects for various evaluation boards. Different license models with support periods up to 24 months are available.

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Driver or library


Emotas J1939 stack

Supported products & hardware

Supported products & hardware

Arm Cortex-M0+ MCUs
MSPM0G3507 80MHz Arm M0+ MCU, 128KB Flash, 32KB SRAM, 2×12bit 4Msps ADC, DAC, 3×COMP, 3×op-amp, CAN-FD, MATHACL
Arm Cortex-R MCUs
TMS570LS3137 16/32 Bit RISC Flash MCU, Arm Cortex-R4F, EMAC, FlexRay
C2000 real-time microcontrollers
TMS320F280039 C2000™ 32-bit MCU 120-MHz 384-KB flash, FPU, TMU with CLA, AES and CAN-FD TMS320F28335 C2000™ 32-bit MCU with 150 MIPS, FPU, 512 KB flash, EMIF, 12b ADC

Support & training

Third-party support
TI does not offer ongoing direct design support for this software. For support while working through your design, contact Emotas embedded communication GmbH.



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