Bug Report for LPC845 SPI in config tools

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Bug Report for LPC845 SPI in config tools

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1,471件の閲覧回数
alexis_marquet
Contributor II

Hi,

 I found a bug in the config tools, with LPC845.

 

MCUXpresso IDE V11.2.1

LPC845 SDK 2.8

 

Steps to reproduce:

 

- create new project for LPC845, include SPI driver

- create configuration .mex

- add SPI peripheral driver

- set "Data width [bits] = 8

- update code

 

Check configuration in peripherals.c

  .dataWidth = 8,

 

where it should be 7, according to datasheet and example. the way it is done in the SDK example is setting

dataWidth = kSPI_Data8Bits;

 

which is set to 7 in the enum. basically the result of using the config tools is setting the datawidth to what it is set to + 1.

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1 解決策
1,414件の閲覧回数
Lukas_Heczko
NXP Employee
NXP Employee

Hi,

let me confirm that there is indeed bug in SPI Peripherals tool component in case of LPC8xx processors - the dataWidth value in spi_slave_config_t is generated incorrectly.

Attached you can find hotfix fixing the issue in Config Tools v8.1 and MCUXpresso IDE 11.2.x.

 

How to install it:

1. Ensure you have an administrator rights, MCUXpresso Configuration Tools are not running and the MCU data of the MCUs you want to use are available (downloaded) on your desktop.

Note:
MCU data are downloaded from the http://mcuxpresso.nxp.com server. If you want to be sure that data are not updated from the server (when an update is provided by NXP) you can disable updates in following way:
MCUXpresso Configuration Tools: In menu Edit > Preferences select Disabled in the Processor data update option
MCUXpresso IDE: In menu Window > Preferences > MCUXpresso Config Tools select Disabled in the Processor data update option

2. Copy the content of this archive into the tool's data folder:
Windows: c:\ProgramData\NXP\mcu_data_v8
Linux/Mac: /home/<USER>/.nxp/mcu_data_v8

 

It will be fixed in MCUXpresso Config Tools v9 as well.

Reagards,

Lukas

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3 返答(返信)
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Alice_Yang
NXP TechSupport
NXP TechSupport

Hello,

It seems this bug have been fixed, I download the latest SDK, test on my side, there is

on issue:

 

Alice_Yang_0-1604906468534.png

 

 

Regards,

Alice

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1,445件の閲覧回数
alexis_marquet
Contributor II

I did a clean install of everything yesterdasy, so it should be up to date. the bug is still there:

 

With data width = 8 in Confit Tools:

/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
instance:
- name: 'SPI0'
- type: 'lpc_minispi'
- mode: 'interrupt'
- custom_name_enabled: 'false'
- type_id: 'lpc_minispi_f45b6e04ed20bff9f52c4f4d863b265d'
- functional_group: 'BOARD_InitPeripherals'
- peripheral: 'SPI0'
- config_sets:
  - fsl_spi:
    - spiConfig:
      - spi_mode: 'kSPI_Slave'
      - spi_slave_config:
        - enableSlave: 'true'
        - clockPolarity: 'kSPI_ClockPolarityActiveHigh'
        - clockPhase: 'kSPI_ClockPhaseFirstEdge'
        - direction: 'kSPI_MsbFirst'
        - dataWidth_enum: 'kSPI_Data8Bits'
        - sselNumber_: 'kSPI_Ssel0Assert'
        - sselPolarity_: ''
  - Interrupt_cfg:
    - interrupts: 'kSPI_RxReadyInterruptEnable'
    - interrupt_vectors:
      - enable_rx_tx_irq: 'true'
      - interrupt_rx_tx:
        - IRQn: 'SPI0_IRQn'
        - enable_interrrupt: 'noInit'
        - enable_priority: 'false'
        - priority: '0'
        - enable_custom_name: 'false'
 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
/* clang-format on */
const spi_slave_config_t SPI0_config = {
  .enableSlave = true,
  .clockPolarity = kSPI_ClockPolarityActiveHigh,
  .clockPhase = kSPI_ClockPhaseFirstEdge,
  .direction = kSPI_MsbFirst,
  .dataWidth = 8,
  .sselPolarity = kSPI_SpolActiveAllLow
};

 

but as you can see, the yaml config uses the enum constant, correctly.

 

 

header of the peripherals.c file is the following:

/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
!!GlobalInfo
product: Peripherals v8.0
processor: LPC845
package_id: LPC845M301JHI48
mcu_data: ksdk2_0
processor_version: 8.0.2
functionalGroups:
- name: BOARD_InitPeripherals
  UUID: 5aeb6b3e-57ce-4419-8db9-9ddcc3918498
  called_from_default_init: true
  selectedCore: core0
 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/

SDK is  version is 2.8. maybe the bug is only there in slave mode?

 

 

Best regards,

 

Alexis Marquet

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Lukas_Heczko
NXP Employee
NXP Employee

Hi,

let me confirm that there is indeed bug in SPI Peripherals tool component in case of LPC8xx processors - the dataWidth value in spi_slave_config_t is generated incorrectly.

Attached you can find hotfix fixing the issue in Config Tools v8.1 and MCUXpresso IDE 11.2.x.

 

How to install it:

1. Ensure you have an administrator rights, MCUXpresso Configuration Tools are not running and the MCU data of the MCUs you want to use are available (downloaded) on your desktop.

Note:
MCU data are downloaded from the http://mcuxpresso.nxp.com server. If you want to be sure that data are not updated from the server (when an update is provided by NXP) you can disable updates in following way:
MCUXpresso Configuration Tools: In menu Edit > Preferences select Disabled in the Processor data update option
MCUXpresso IDE: In menu Window > Preferences > MCUXpresso Config Tools select Disabled in the Processor data update option

2. Copy the content of this archive into the tool's data folder:
Windows: c:\ProgramData\NXP\mcu_data_v8
Linux/Mac: /home/<USER>/.nxp/mcu_data_v8

 

It will be fixed in MCUXpresso Config Tools v9 as well.

Reagards,

Lukas

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