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by Ritesh
Wed Jun 21, 2017 5:49 pm
Forum: ESP32 SDK
Topic: Interrupt Watchdog Timeout issue
Replies: 1
Views: 46

Interrupt Watchdog Timeout issue

Hi, I have been working into ESP32 SDK and application since last 6 month and we have found Interrupt Watchdog Timeout issue after storing downloaded firmware into SPI Flash and it has been running into one Task. So, After that I have checked some ESP32 configurations and found one Watchdog Interrup...
by Ritesh
Wed Jun 21, 2017 2:40 am
Forum: ESP32 SDK
Topic: Need API support to provide micro seconds delay
Replies: 6
Views: 151

Re: Need API support to provide micro seconds delay

Isn't it easier to use the RMT peripheral then? That peripheral is designed to send user-shaped pulse trains with high precision. Hi, I need to check that RMT interface. Here, we have only one wire GPIO pin to update firmware into connected module. Please share example of RMT based interface as per...
by Ritesh
Wed Jun 21, 2017 2:00 am
Forum: ESP32 SDK
Topic: Need API support to provide micro seconds delay
Replies: 6
Views: 151

Re: Need API support to provide micro seconds delay

Can I ask what you are using this for? Are you trying to comfirm to some signalling spec or something? Asking because depending on the application, there may be more elegant (I2S, RMT, ...) ways to solve this. Hi, Actually, we have connected one module over UART with ESP32 chip in our product. So i...
by Ritesh
Wed Jun 21, 2017 12:56 am
Forum: ESP32 SDK
Topic: Need API support to provide micro seconds delay
Replies: 6
Views: 151

Re: Need API support to provide micro seconds delay

You might want to take a look at gettimeofday(). Apparently (by reading the docs) it returns a time stamp down to the microsecond level. In principle, you could look around using gettimeofday until your interval has elapsed. Hi, Thanks for quick reply. But actually it will not work in my case as I ...
by Ritesh
Tue Jun 20, 2017 6:02 pm
Forum: General Discussion
Topic: Wait microsecond
Replies: 6
Views: 755

Re: Wait microsecond

Hi All,

Please let me know if anyone has achieved this type of micro seconds delay support in application firmware.

I need 10 and 40 microseconds delay support as per request.
by Ritesh
Tue Jun 20, 2017 6:00 pm
Forum: General Discussion
Topic: Wait microsecond
Replies: 6
Views: 755

Re: Wait microsecond

The RTOS tick period is (by default) 1ms, so vTaskDelay() will round this down to 0 ticks, and you'll either get no delay or a full time slice (1ms) delay while another task runs. It's not advisable to make the tick period any shorter than 1ms. The ROM function ets_delay_us() (defined in rom/ets_sy...
by Ritesh
Tue Jun 20, 2017 5:48 pm
Forum: ESP32 SDK
Topic: Need API support to provide micro seconds delay
Replies: 6
Views: 151

Need API support to provide micro seconds delay

Hi, As I have observed that vTaskDelay is working on Tick Rate which gives milliseconds delay for application development but I want to prove some microseconds delay in my application. So is there any other API to provide that type of microseconds of delay? Till Now, we have used ets_delay_us FreeRT...
by Ritesh
Thu Jun 15, 2017 4:15 pm
Forum: ESP32 SDK
Topic: Need sample code for ILI9488 LCD on SPI Interface
Replies: 64
Views: 2881

Re: Need sample code for ILI9488 LCD on SPI Interface

You are probably building with an old esp-idf version. Just update your esp-idf to the latest master commits, in esp-idf directory run: git pull git submodule update --init Then in the demo directory: make menu_config make clean make all make flash Ok, I will check with latest master ESP32 IDF RTOS...
by Ritesh
Thu Jun 15, 2017 11:39 am
Forum: ESP32 SDK
Topic: Need sample code for ILI9488 LCD on SPI Interface
Replies: 64
Views: 2881

Re: Need sample code for ILI9488 LCD on SPI Interface

Hello Loboris, Before implementing your demo in Eclipse I followed your steps in the readme. During make I get following errors: /home/jan/ESPtest/ESP32_TFT_library-master/components/spidriver/./spi_master_lobo.c: In function 'spi_lobo_bus_initialize': /home/jan/ESPtest/ESP32_TFT_library-master/com...
by Ritesh
Wed Jun 14, 2017 5:51 pm
Forum: ESP32 SDK
Topic: CPU Frequency vs FreeRTOS
Replies: 10
Views: 280

Re: CPU Frequency vs FreeRTOS

I have one quick question for you that is there any plan to provide API support like to check Task is running into CPU0 or CPU1 core is anyone has used xTaskCreate API to create task? No, but it should be possible to add a member to TaskStatus_t indicating task affinity, and extend uxTaskGetSystemS...

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