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80 Commits

Author SHA1 Message Date
Konstantin Kondrashov
93750520fe fix(ulp): Fix accumulation of wakeup cause bits in ULP 
Closes https://github.com/espressif/esp-idf/issues/15794
 2025-04-18 15:52:28 +03:00
Marius Vikhammer
4354c3080a Merge branch 'fix/lp_uart_flush_wait_for_idle_v5.4' into 'release/v5.4' 
fix(lp_uart): Update the `lp_core_uart_tx_flush()` API to wait for UART Tx idle state (v5.4)

See merge request espressif/esp-idf!37473
 2025-04-01 14:55:18 +08:00
Song Ruo Jing
e774dbfd0f fix(uart): LP UART does not have the pre-divider for its clock source 
Closes https://github.com/espressif/esp-idf/issues/15427
 2025-03-10 15:29:09 +08:00
Sudeep Mohanty
528b1b3c37 fix(lp_uart): Update the lp_core_uart_tx_flush() API to wait for Tx idle 
This commit updates the lp_core_uart_tx_flush() API to wait for the Tx line
to become idle, therefore confirming that all bytes are sent out.

Closes https://github.com/espressif/esp-idf/issues/15433
 2025-03-04 08:52:22 +01:00
morris
fe3bb073f9 Merge branch 'refactor/i2c_ll_trm_sync_v5.4' into 'release/v5.4' 
refactor(i2c): rename some LL functions according to TRM descriptions (v5.4)

See merge request espressif/esp-idf!35107
 2024-11-25 10:30:02 +08:00
Armando
37d8e97a9d doc(lp_vad): lp vad programming guide 2024-11-22 10:46:43 +08:00
morris
85e86626ff refactor(i2c): rename some LL functions according to TRM descriptions 2024-11-22 10:14:22 +08:00
Marius Vikhammer
1f1954378e Merge branch 'feature/lp_core_gpio_wakeup' into 'master' 
feat(lp_core): added support for LP-IO as LP-core wakeup source

Closes IDF-10200

See merge request espressif/esp-idf!31828
 2024-10-18 09:32:49 +08:00
Armando
1792aba1dc feat(vad): lp vad driver and wakeup feature 2024-10-16 17:27:27 +08:00
Marius Vikhammer
b4c501374f feat(lp_core): added support for LP-IO as LP-core wakeup source 2024-10-16 09:34:20 +08:00
morris
39d6f35594 refactor(lp_core): unify LL functions of ETM wake up lp system 2024-09-26 11:48:15 +08:00
Liu Xiao Yu
e051b921b8 Merge branch 'feat/lp_spinlock' into 'master' 
feat(ulp): implement inter-hp-lp-cpu spinlock/critical section

Closes IDF-10206

See merge request espressif/esp-idf!32775
 2024-09-20 17:09:50 +08:00
Marius Vikhammer
564d777018 Merge branch 'feature/lp_core_40_mhz' into 'master' 
feat(system): support choosing xtal as rtc-fast clock src on P4 and C5

Closes IDF-10203

See merge request espressif/esp-idf!32450
 2024-09-20 10:57:15 +08:00
Xiaoyu Liu
446528d40f feat(ulp): implement ulp lp core spinlock 2024-09-20 10:22:45 +08:00
Marius Vikhammer
00eb97725b feat(system): support choosing xtal as rtc-fast clock src on P4 and C5 
With xtal as rtc-fast clock source the LP-Core can run at twice the default
clock frequency. 40 MHz as opposed to 20 MHz.
 2024-09-19 17:30:44 +08:00
Sudeep Mohanty
3c65f1b654 fix(lp_uart): Added lp_uart flush feature 
This commit adds the lp_core_uart_flush() API to flush the LP UART Tx
FIFO. This API is automatically called once the program returns from the
main function().

Closes https://github.com/espressif/esp-idf/issues/14530
 2024-09-19 09:36:04 +02:00
Wu Zheng Hui
6abe40e590 Merge branch 'feature/optimize_esp32p4_active_power_eco1' into 'master' 
feat(system): Optimize esp32p4 active state  power consumption

Closes PM-103 and IDF-7688

See merge request espressif/esp-idf!32950
 2024-09-11 23:15:29 +08:00
wuzhenghui
05e74480f5 feat(esp_system): gate some clock by default to optmize esp32p4 active power 2024-09-11 10:53:00 +08:00
Sudeep Mohanty
1e5efd7fa7 feat(lp_adc): Added support to read LP ADC from the LP core 
This commit adds APIs to initialize and configure the LP ADC from the HP
core and also adds APIs to read the raw and converted ADC values from the LP core.
 2024-09-10 08:45:11 +02:00
Alexey Gerenkov
625c437412 feat(ulp): Add LP core debugging support 2024-09-03 18:28:14 +03:00
andylinpersonal
0dbb6d94ec fix(ulp): Add the missing extern "C" guard to ulp_lp_core_print.h 
This commit adds the missing extern `C` guards the ulp_lp_core_print.h
header file.

Closes https://github.com/espressif/esp-idf/pull/14329
 2024-08-08 23:23:08 +08:00
Xiaoyu Liu
1216dd1abd change(ulp): bu lp i2c on esp32c5 2024-08-01 14:48:31 +08:00
Marius Vikhammer
b825aa9f95 change(lp_core): changed wakeup time calc to use a precomputed tick value 
Previously we would calculate the wakeup ticks upon every wakeup using the lp-timer clock frequency,
but this caused the binary to pull in software division functions, increasing the binary size.

This value is now precalculated by the hp-core when we configure the ULP. This saves about 1k bytes.
 2024-07-23 14:14:20 +08:00
Marius Vikhammer
692eb01fe1 fix(lp-core): fixed ULP shared mem address being wrong on P4 2024-07-23 14:12:18 +08:00
Marius Vikhammer
d70383422b feat(lp-core): add reduced footprint print functions 2024-07-19 09:48:20 +08:00
Marius Vikhammer
74a04c140c feat(ulp): add option for routing LP-printf to HP console 2024-07-17 17:16:40 +08:00
Sudeep Mohanty
945a593de2 fix(lp-i2c): Fixed the generation of spurious I2C start with lp-i2c 
This commit fixes an issue with LP I2C and RTC I2C where in the
peripherals generated a spurious I2C start condition when initialized.
This caused some sensors to not respond properly to the following read
or write request.

Closes https://github.com/espressif/esp-idf/issues/14043
Closes https://github.com/espressif/esp-idf/issues/11608
 2024-07-11 12:37:04 +02:00
Liu Xiao Yu
ea5a48836d Merge branch 'change/bu_lp_console_c5' into 'master' 
change(lp_uart): Enable low-power UART functionality of ULP core on ESP32C5

Closes IDF-8633

See merge request espressif/esp-idf!31922
 2024-07-09 15:54:00 +08:00
Xiaoyu Liu
66f7731bd8 change(lp_uart): Enable SOC_ULP_LP_UART_SUPPORTED on ESP32C5 2024-07-08 16:10:39 +08:00
Marius Vikhammer
de2a66ebe0 feat(lp-core): added support for using ETM events as wake-up source 2024-07-08 11:04:34 +08:00
Marius Vikhammer
4c62b82180 docs(ulp): fix doxygen comment formatting 2024-06-27 16:17:05 +08:00
Sudeep Mohanty
6e85d744a8 feat(lp-spi): Added support for LP SPI driver to the LP Core on esp32p4 
This commit adds LP SPI master and LP SPI slave support for the LP Core
on the esp32p4.
 2024-06-26 13:43:55 +02:00
Marius Vikhammer
aae3aa5e5f feat(lp-core): bringup lp-core for C5 MP 
LP-Core is now able to boot and run on C5 MP chip.
 2024-06-19 09:18:47 +08:00
wuzhenghui
cca222948a fix(esp_driver_gpio): manage lp_io module clock by driver 
Closes https://github.com/espressif/esp-idf/issues/13683
 2024-06-05 17:56:37 +08:00
Marius Vikhammer
13e5b6f335 Merge branch 'feature/lp_core_pcnt' into 'master' 
feat(ulp): add pulse counter example for lp core

Closes IDF-9137

See merge request espressif/esp-idf!31163
 2024-06-03 12:33:50 +08:00
Marius Vikhammer
7495f3bf28 feat(ulp): add pulse counter example for lp core 2024-05-30 14:30:00 +08:00
Marius Vikhammer
de77d04358 feat(ulp): add lp core panic handler 2024-05-28 14:42:59 +08:00
Marius Vikhammer
c5a513cf49 feat(ulp): support interrupts for C6/P4 LP core 
Closes https://github.com/espressif/esp-idf/issues/13059
 2024-04-28 17:03:23 +08:00
Marius Vikhammer
1fa59c442b fix(ulp): fixed lp-core not booting during sleep 
LP core was unable to boot when system was in deepsleep.
This was due to lp uart init in LP rom using XTAL as clk source,
which is normally powered down during sleep.

This would cause lp uart to get stuck while printing ROM output,
and the app would never boot.

Also fixed wrong wakeup cause used by HP core for ULP wake up
 2024-04-18 11:36:30 +08:00
Marius Vikhammer
4533f16c34 fix(rtc_memory): fix conflict between LP-ROM and RTC reserved 2024-04-17 13:37:56 +08:00
Sudeep Mohanty
5228dc348b feat(lp_i2c): Added LP I2C support on the esp32p4 
This commit adds support for the LP I2C peripheral to be used from the
LP core on the esp32p4.
 2024-03-26 08:31:54 +01:00
Marius Vikhammer
4700f709ca Merge branch 'feature/c5_ulp' into 'master' 
feat(ulp): add basic support for running lp core on C5

Closes IDF-8637

See merge request espressif/esp-idf!29496
 2024-03-19 11:33:51 +08:00
Wu Zheng Hui
ba4b493df8 Merge branch 'fix/lp_core_uart_clk_init' into 'master' 
fix(lp_uart): Fixed LP UART bus clock initialization flow

See merge request espressif/esp-idf!29680
 2024-03-18 10:21:42 +08:00
Sudeep Mohanty
6d73dda897 fix(lp_uart): Fixed LP UART bus clock initialization flow 
This MR updates the LP UART bus clock initialization flow to avoid
a lock up when accessing the LP UART peripheral.
 2024-03-15 09:28:35 +01:00
Sudeep Mohanty
b90a279587 feat(lp-core): Added ability to print from LP ROM on the LP core 
This commit adds the ability to use LP ROM functions from the LP core.
This allows the LP core code to utilize standard functions such as those
for printing from the LP ROM and therefore help reduce the code size on
the LP core.
 2024-03-14 18:45:02 +01:00
Sudeep Mohanty
26fd843376 feat(lp_core): Added support for LP UART on LP core for esp32p4 
This commit enables LP UART support for the LP core on the esp32p4.
 2024-03-14 18:45:02 +01:00
Marius Vikhammer
a32fb07e7b feat(ulp): add basic support for running lp core on C5 2024-03-13 17:37:29 +08:00
Omar Chebib
5a32ca10ad feat(lp_core): add a public function to get the timer cycle count 
Closes https://github.com/espressif/esp-idf/issues/13101
 2024-02-09 16:50:02 +08:00
Marius Vikhammer
dff1e5df88 feat(lp_core): add support for lp timer and lp gpio on P4 2024-02-06 09:41:20 +08:00
Sudeep Mohanty
df00205db3 Merge branch 'bugfix_lp_i2c_not_in_od_mode' into 'master' 
fix(lp_i2c): Fixed an issue where the LP_I2C IO lines were not in open-drain mode

Closes IDFGH-11883

See merge request espressif/esp-idf!28739
 2024-01-29 16:47:07 +08:00