When using DPort to read fifo, fifo_cnt is not credible, we need to calculate the real cnt based on the fifo read and write pointer. When using AHB to read FIFO, we can use fifo_cnt to indicate the data length in fifo.
The tests used to measure the throughput by FreeRTOS
`xTaskGetTickCount()`. The rounding error can be quite big, compared to
total measurement time (1350 ms for 4-bit mode).
This commit use `esp_timer_get_time()` instead to measure typical time,
which is in microseconds. Moreover, to get rid of the time error from
cache miss, `ccomp_timer_*` are used to get the cache compensated time
to measure the throughput used for unit test performance assertion.
The SPI bus lock on SPI1 introduces two side effects:
1. The device lock for the main flash requires the
`CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION` to be selected, however this
option is disabled by default in earlier IDF versions. Some developers
may find their project cannot be built by their old sdkconfig files.
2. Usually we don't need the lock on the SPI1 bus, due to it's
restrictions. However the overhead still exists in this case, the IRAM
cost for static version of semaphore functions, and the time cost when
getting and releasing the lock.
This commit:
1. Add a CONFIG_SPI_FLASH_BYPASS_MAIN_LOCK option, which will forbid the
space cost, as well as the initialization of the main bus lock.
2. When the option is not selected, the bus lock is used, the
`CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION` will be selected explicitly.
3. Revert default value of `CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION`
to `n`.
introduced in 49a48644e4.
Closes https://github.com/espressif/esp-idf/issues/5046
* Add test support for ESP32S2
* Add loop back test
* Support chip internal connection, no external wiring required.
* Delete the relevant codes of PDM of ESP32-S2 ll layer.
* fix dac dma mode issue
* Let `[ignore] case` return to freedom
1) Because this test uses its own ISR, we need to release it with `esp_intr_free` instead of `pcnt_isr_service_uninstall`.
2) `pcnt_evt_queue` needs to be created before the interrupt is registered and needs to be released at the end of each case.
* Add test support for ESP32S2
* Support chip internal connection, no external wiring required.
DISABLED_FOR_TARGETS macros are used
Partly revert "ci: disable unavailable tests for esp32s2beta"
This partly reverts commit 76a3a5fb48.
Partly revert "ci: disable UTs for esp32s2beta without runners"
This partly reverts commit eb158e9a22.
Partly revert "fix unit test and examples for s2beta"
This partly reverts commit 9baa7826be.
Partly revert "efuse: Add support for esp32s2beta"
This partly reverts commit db84ba868c.
