TMS320C6748: Build SPI Loopback example and modify to work in Master/Slave mode

Navaneetha Krishnan P

Part Number: TMS320C6748
Other Parts Discussed in Thread: OMAPL138, SYSBIOS

Hello,

When I Install pdk_omapl138_1_0_3 sdk and run spi looback example I get the following error. I am using ccs 6.0.0.00190.

Description : #20 identifier "Error_IGNORE" is undefined

Resource :.ccsproject

Path : /SPI_LoopbackExample_lcdkOMAPL138_c674xExampleProject

Location : line 483, external location: C:\ti\bios_6_52_00_12\packages\ti\sysbios\knl\Swi.c

Type : C/C++ Problem

ERROR:

"c:\\ti\\ccsv6\\utils\\bin\\gmake" -k all
'Building file: C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/spi_test.cfg'
'Invoking: XDCtools'
"c:/ti/xdctools_3_30_01_25_core/xs" --xdcpath="C:/ti/bios_6_52_00_12/packages;C:/ti/pdk_omapl138_1_0_3/packages;C:/ti/edma3_lld_2_12_05_30B/packages;C:/ti/ipc_3_47_00_00/packages;C:/ti/ndk_2_26_00_08/packages;C:/ti/uia_2_21_02_07/packages;c:/ti/ccsv6/ccs_base;" xdc.tools.configuro -o configPkg -t ti.targets.elf.C674 -p ti.platforms.evmOMAPL138 -r debug -c "c:/ti/ccsv6/tools/compiler/c6000_7.4.7" "C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/spi_test.cfg"
making package.mak (because of package.bld) ...
generating interfaces for package configPkg (because package/package.xdc.inc is older than package.xdc) ...
configuring spi_test.xe674 from package/cfg/spi_test_pe674.cfg ...
generating custom ti.sysbios library makefile ...
   Linking with library ti.drv.uart:./lib/omapl138/c674/release/ti.drv.uart.ae674
   Linking with library ti.drv.spi:./lib/omapl138/c674/release/ti.drv.spi.ae674
   Linking with library ti.board:./lib/lcdkOMAPL138/c674/release/ti.board.ae674
   Linking with library ti.csl:./lib/omapl138/c674/release/ti.csl.ae674
   Linking with library ti.osal:./lib/tirtos/omapl138/c674/release/ti.osal.ae674
Starting build of library sources ...
making C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/src/sysbios/sysbios.ae674 ...
gmake[1]: Entering directory `C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/src/sysbios'
cle674 C:/ti/bios_6_52_00_12/packages/ti/sysbios/BIOS.c ...
"C:/ti/bios_6_52_00_12/packages/ti/sysbios/knl/Swi.c", line 483: error #20: identifier "Error_IGNORE" is undefined

>> Compilation failure
1 error detected in the compilation of "C:/ti/bios_6_52_00_12/packages/ti/sysbios/knl/Swi.c".
gmake[1]: *** [BIOS.obj] Error 1
gmake[1]: Leaving directory `C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/src/sysbios'
gmake: *** [C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/src/sysbios/sysbios.ae674] Error 2
Build of libraries failed.
error: xdc.cfg.SourceDir: "C:/ti/xdctools_3_30_01_25_core/packages/xdc/cfg/SourceDir.xs", line 184: xdc.cfg.SourceDir : Build of generated source libraries failed: exit status = 2:

js: "C:/ti/xdctools_3_30_01_25_core/packages/xdc/cfg/Main.xs", line 159: Error: Configuration failed!
gmake.exe: *** [package/cfg/spi_test_pe674.xdl] Error 1
gmake.exe: *** Deleting file `package/cfg/spi_test_pe674.xdl'
gmake.exe: *** [package/cfg/spi_test_pe674.xdl] Deleting file `package/cfg/spi_test_pe674.h'
gmake.exe: *** [package/cfg/spi_test_pe674.xdl] Deleting file `package/cfg/spi_test_pe674.c'
js: "C:/ti/xdctools_3_30_01_25_core/packages/xdc/tools/Cmdr.xs", line 51: Error: xdc.tools.configuro: configuration failed due to earlier errors (status = 2); 'linker.cmd' deleted.
gmake: *** [configPkg/linker.cmd] Error 1
gmake: Target `all' not remade because of errors.

**** Build Finished ****

Thanks & Regards

Navaneetha krishnan

over 7 years ago

0 Yordan Kovachev over 7 years ago

TI__Guru**** 161600 points

Hi,

Can you try updating the CCS?

Best Regards
Yordan

0 Navaneetha Krishnan P over 7 years ago in reply to Yordan Kovachev

Intellectual 925 points

I updated ccs v8 but still I am getting the following error.

**** Build of configuration Debug for project SPI_LoopbackExample_lcdkOMAPL138_c674xExampleProject ****

"C:\\ti\\ccsv8\\utils\\bin\\gmake" -k all

Building file: "C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/src/main_spi_loopback_example.c"
Invoking: C6000 Compiler
"C:/ti/ti-cgt-c6000_8.2.2/bin/cl6x" -mv6740 --abi=eabi --include_path="C:/ti/ti-cgt-c6000_8.2.2/include" --include_path="C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi" --include_path="C:/ti/pdk_omapl138_1_0_3/packages" --include_path="/packages" --define=SOC_OMAPL138 --define=LCDK_OMAPL138 --define=USE_BIOS --define=lcdkOMAPL138 -g --diag_suppress=1111 --diag_suppress=827 --diag_suppress=824 --diag_suppress=837 --diag_suppress=1037 --diag_suppress=195 --diag_suppress=77 --diag_suppress=232 --diag_warning=225 --diag_warning=994 --diag_warning=262 --diag_wrap=off --display_error_number --preproc_with_compile --preproc_dependency="main_spi_loopback_example.d_raw" --cmd_file="configPkg/compiler.opt" "C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/src/main_spi_loopback_example.c"

>> Compilation failure
subdir_rules.mk:9: recipe for target 'main_spi_loopback_example.obj' failed
"C:/ti/xdctools_3_30_01_25_core/packages/xdc/cfg/global.h", line 39: fatal error #1965: cannot open source file "C:/ti/pdk_omapl138_1_0_3/packages/MyExampleProjects/SPI_LoopbackExample_lcdkOMAPL138_c674xExampleProject/Debug/configPkg/package/cfg/spi_test_pe674.h"
1 catastrophic error detected in the compilation of "C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/src/main_spi_loopback_example.c".
Compilation terminated.
gmake: *** [main_spi_loopback_example.obj] Error 1
Building file: "C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/spi_test.cfg"
Invoking: XDCtools
"C:/ti/xdctools_3_30_01_25_core/xs" --xdcpath="C:/ti/bios_6_52_00_12/packages;C:/ti/pdk_omapl138_1_0_3/packages;C:/ti/edma3_lld_2_12_05_30B/packages;C:/ti/ipc_3_47_00_00/packages;C:/ti/ndk_2_26_00_08/packages;C:/ti/uia_2_21_02_07/packages;C:/ti/ccsv8/ccs_base;" xdc.tools.configuro -o configPkg -t ti.targets.elf.C674 -p ti.platforms.evmOMAPL138 -r debug -c "C:/ti/ti-cgt-c6000_8.2.2" "C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/spi_test.cfg"
configuring spi_test.xe674 from package/cfg/spi_test_pe674.cfg ...
generating custom ti.sysbios library makefile ...
   Linking with library ti.drv.uart:./lib/omapl138/c674/release/ti.drv.uart.ae674
   Linking with library ti.drv.spi:./lib/omapl138/c674/release/ti.drv.spi.ae674
   Linking with library ti.board:./lib/lcdkOMAPL138/c674/release/ti.board.ae674
   Linking with library ti.csl:./lib/omapl138/c674/release/ti.csl.ae674
   Linking with library ti.osal:./lib/tirtos/omapl138/c674/release/ti.osal.ae674
Starting build of library sources ...
making C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/src/sysbios/sysbios.ae674 ...
gmake[1]: Entering directory `C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/src/sysbios'
cle674 C:/ti/bios_6_52_00_12/packages/ti/sysbios/BIOS.c ...
remark #24038-D: --optimize_with_debug is deprecated and will be removed in a
   subsequent release. The behavior is enabled by default.

>> Compilation failure
gmake[1]: Leaving directory `C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/src/sysbios'
Build of libraries failed.
subdir_rules.mk:19: recipe for target 'build-668936769-inproc' failed
"C:/ti/bios_6_52_00_12/packages/ti/sysbios/knl/Swi.c", line 483: error #20: identifier "Error_IGNORE" is undefined
1 error detected in the compilation of "C:/ti/bios_6_52_00_12/packages/ti/sysbios/knl/Swi.c".
gmake[1]: *** [BIOS.obj] Error 1
gmake: *** [C:/ti/pdk_omapl138_1_0_3/packages/ti/drv/spi/example/spiLoopback/omapl138/c674/bios/src/sysbios/sysbios.ae674] Error 2
error: xdc.cfg.SourceDir: "C:/ti/xdctools_3_30_01_25_core/packages/xdc/cfg/SourceDir.xs", line 184: xdc.cfg.SourceDir : Build of generated source libraries failed: exit status = 2:

js: "C:/ti/xdctools_3_30_01_25_core/packages/xdc/cfg/Main.xs", line 159: Error: Configuration failed!
xdctools_3_30_01_25_core\gmake.exe: *** [package/cfg/spi_test_pe674.xdl] Error 1
xdctools_3_30_01_25_core\gmake.exe: *** Deleting file `package/cfg/spi_test_pe674.xdl'
xdctools_3_30_01_25_core\gmake.exe: *** [package/cfg/spi_test_pe674.xdl] Deleting file `package/cfg/spi_test_pe674.h'
xdctools_3_30_01_25_core\gmake.exe: *** [package/cfg/spi_test_pe674.xdl] Deleting file `package/cfg/spi_test_pe674.c'
js: "C:/ti/xdctools_3_30_01_25_core/packages/xdc/tools/Cmdr.xs", line 51: Error: xdc.tools.configuro: configuration failed due to earlier errors (status = 2); 'linker.cmd' deleted.
gmake[1]: *** [build-668936769-inproc] Error 1
gmake: *** [build-668936769] Error 2
subdir_rules.mk:16: recipe for target 'build-668936769' failed
gmake: Target 'all' not remade because of errors.

**** Build Finished ****

0 Yordan Kovachev over 7 years ago in reply to Navaneetha Krishnan P

TI__Guru**** 161600 points

The RTOS team have been notified. They will post their feedback directly here.

Best Regards,
Yordan

0 Sahin Okur over 7 years ago in reply to Navaneetha Krishnan P

TI__Mastermind 27355 points

Hi Navaneetha,

Your project is pointing to the wrong version of XDCtools. It should be pointing to xdctools_3_50_03_33. You can change this by going to Project Properties->General->Products as shown below.

0 Navaneetha Krishnan P over 7 years ago in reply to Sahin Okur

Intellectual 925 points

Dear Sahin Okur,

Thanks for your valuable support.

Now my spi loopback example is working. Now I want to disable the loopback mode and want to communicate with the

CAN chip. To do this I disabled the following code in the example.

SPI_control(hwHandle,SPI_V0_CMD_LOOPBACK,(void *) &loop);

But when I run the example SPI is disabled in the SPIGCR1 registry.

Kindly help me to configure the SPI without loopback mode.

Thanks

Navaneetha krishnan

0 Sahin Okur over 7 years ago in reply to Navaneetha Krishnan P

TI__Mastermind 27355 points

Hi Navaneetha,

If the ENABLE bit is not set in the SPIGCR register, make sure you have the following line in your code before calling SPI_transfer.

SPI_control(spiHandle, SPI_V0_CMD_XFER_ACTIVATE, (void *) &xferEnable);     (xferEnable=1)

This API will set the ENABLE bit and activate the transfer. The example should have this line already though so make sure you did not accidentally remove this line when removing the SPI_control loopback call.

0 Navaneetha Krishnan P over 7 years ago in reply to Sahin Okur

Intellectual 925 points

Dear Sahin, No this line is already there. The same code is working fine for When I change to SPI1. I seen a similar query in the this same forum.

TMS320C6748: SPI SOMI output has a negtive pulse on the last bit of one byte, which makes data error...

e2e.ti.com

Part Number: TMS320C6748 Other Parts Discussed in Thread: OMAP-L138 In my system, I use a MCU to communicate with C6748 throught SPI bus. The MCU is SPI Master

kindly let me know what is possible solution for this. I have to use both the spi ports.

0 Sahin Okur over 7 years ago in reply to Navaneetha Krishnan P

TI__Mastermind 27355 points

Hi Navaneetha,

Are you using a lcdkC6748 or a custom board?

In any case, I have an lcdkC6748 board that I'll test this on and see if I can reproduce the issue. I will let you know what I find.

0 Sahin Okur over 7 years ago in reply to Navaneetha Krishnan P

TI__Mastermind 27355 points

Hi Navaneetha,

I think the reason may be due to the pinmux configuration. By default, the lcdk board is pinmuxed for EMAC RX for interfacing with the PHY. You can check this by viewing the PINMUX3 register of the SYSCFG module in your register window after the Board_init call.

To modify the pinmux you can either change the code in lcdkOMAPL138_pinmux.c found in pdk/packages/ti/board/src/lcdkOMAPL138/ and rebuild the board library or you can add the following code to your application after Board_init.

#include <ti/board/src/lcdkOMAPL138/include/board_internal.h>

#include <ti/csl/csl_syscfg.h>

 hSysCfg->PINMUX3 &= (~(CSL_SYSCFG_PINMUX3_PINMUX3_3_0_MASK |

                            CSL_SYSCFG_PINMUX3_PINMUX3_7_4_MASK   |

                            CSL_SYSCFG_PINMUX3_PINMUX3_11_8_MASK  |

                            CSL_SYSCFG_PINMUX3_PINMUX3_15_12_MASK |

                            CSL_SYSCFG_PINMUX3_PINMUX3_19_16_MASK |

                            CSL_SYSCFG_PINMUX3_PINMUX3_23_20_MASK |

                            CSL_SYSCFG_PINMUX3_PINMUX3_27_24_MASK |

                            CSL_SYSCFG_PINMUX3_PINMUX3_31_28_MASK ));

       hSysCfg->PINMUX3 |= 0x88181111;

0 Navaneetha Krishnan P over 7 years ago in reply to Sahin Okur

Intellectual 925 points

Dear Sahin,

Now the SPI is enabled in master mode. But still I didnt get SPI clock signal from SPI_CLK pin.

Kindly suggest us what could be the problem.

Thanks & Regards

Navaneetha krishnan

0 Sahin Okur over 7 years ago in reply to Navaneetha Krishnan P

TI__Mastermind 27355 points

Hi Navaneetha,

The SPI0 pins are connected to the PHY on the LCDK board. You will need to disconnect this by removing resistors R178, R179, R184, and the resistor for whichever CS pin you are using. Refer to page 11 of the schematic to see exactly which resistors need to removed.You may also need to remove the pull up resistors going to the SPI0 pins (also seen on page 11).

0 Navaneetha Krishnan P over 7 years ago in reply to Sahin Okur

Intellectual 925 points

Dear sahin,

I already removed that. The same SPI0 in LCDK board is working fine with starterware SDK. The SPI1 is working fine with pdk_omapl138_1_0_3.

Kindly share me the working code for SPI0 using pdk_omapl138_1_0_3.

0 Sahin Okur over 7 years ago in reply to Navaneetha Krishnan P

TI__Mastermind 27355 points

Hi Navaneetha,

Please see the attached examples for master and slave operation on SPI port 0. These are based on the SPI loopback example and have been verified on the lcdkOMAPL138/lcdkC6748.

/cfs-file/__key/communityserver-discussions-components-files/791/8865.SPI_5F00_lcdkOMAPL138_5F00_c674xExampleProject.zip

Processors

Processors forum

TMS320C6748: Build SPI Loopback example and modify to work in Master/Slave mode

TMS320C6748: SPI SOMI output has a negtive pulse on the last bit of one byte, which makes data error...