Search found 6 matches
- Tue Nov 14, 2023 3:04 pm
- Forum: Report Bugs
- Topic: SPI Master fails to read MISO correctly on Mode 3
- Replies: 0
- Views: 30695
SPI Master fails to read MISO correctly on Mode 3
We might posted that: https://www.esp32.com/viewtopic.php?p=123324#p123324 under the wrong forum ... I guess this is the better place The problem is, that ESP32-S3 samples the MISO line in MODE 3 on the falling edge, not on the rising edge as it is defined and documented. We are right now not sure i...
- Tue Nov 14, 2023 9:28 am
- Forum: General Discussion
- Topic: SPI Master fails to read MISO correctly on Mode 3
- Replies: 12
- Views: 16135
Re: SPI Master fails to read MISO correctly on Mode 3
Any reaction here from Espressif team?
- Fri Nov 10, 2023 1:27 pm
- Forum: ESP-IDF
- Topic: Setting SPI register SPI_DIN_MODE_REG and SPI_DIN_NUM_REG is not possible
- Replies: 0
- Views: 719
Setting SPI register SPI_DIN_MODE_REG and SPI_DIN_NUM_REG is not possible
In my code I would like to set the register to delay the MISO line on SPI3. Therefore I use the following code: uint32_t test_mode = 0x00000001; uint32_t test_num = 0x00000001; uint32_t volatile * const p_din_mode_reg = (uint32_t *) 0x60025024; *p_din_mode_reg = test_mode; uint32_t volatile * const ...
- Thu Nov 09, 2023 12:47 pm
- Forum: General Discussion
- Topic: SPI Master fails to read MISO correctly on Mode 3
- Replies: 12
- Views: 16135
SPI Master fails to read MISO correctly on Mode 3
Dear community, We are facing major issues in the communication between a MODE 3 SPI slave and an ESP32-S3. Please checkout here the following thread: https://github.com/espressif/esp-idf/issues/7825 Here it is stated that the change on the MISO line must be AFTER the falling edge of the CLK. If the...
- Mon Jul 17, 2023 3:21 pm
- Forum: ESP-IDF
- Topic: FreeRTOS ticks vs System ticks
- Replies: 2
- Views: 4910
Re: FreeRTOS ticks vs System ticks
The key difference here is that the tick count is continuously increasing in the background, regardless of whether any log message is being printed or not. The logging mechanism, on the other hand, might have some internal buffering or other processing delays before actually printing the log messag...
- Fri Jul 14, 2023 7:32 am
- Forum: ESP-IDF
- Topic: FreeRTOS ticks vs System ticks
- Replies: 2
- Views: 4910
FreeRTOS ticks vs System ticks
Dear community, I seem to lack some understanding of the ticks in an ESP system with FreeRTOS integrated. I created a task in FreeRTOS and in that task I call the following code as an test-example: xLastWakeTime = xTaskGetTickCount(); while(counter < 10) { if(gpio_state != 0) { gpio_state = 0; } els...