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feat(rmt): support sleep retention

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by back up the registers
This commit is contained in:
morris
2024-04-15 18:58:53 +08:00
parent 6a919dcc16
commit e8e975112a
34 changed files with 390 additions and 37 deletions
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components/esp_driver_rmt/include/driver/rmt_rx.h
+4 -1
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -42,6 +42,9 @@ typedef struct {
uint32_t invert_in: 1; /*!< Whether to invert the incoming RMT channel signal */
uint32_t with_dma: 1; /*!< If set, the driver will allocate an RMT channel with DMA capability */
uint32_t io_loop_back: 1; /*!< For debug/test, the signal output from the GPIO will be fed to the input path as well */
uint32_t backup_before_sleep: 1; /*!< If set, the driver will backup/restore the RMT registers before/after entering/exist sleep mode.
By this approach, the system can power off RMT's power domain.
This can save power, but at the expense of more RAM being consumed */
} flags; /*!< RX channel config flags */
} rmt_rx_channel_config_t;
components/esp_driver_rmt/include/driver/rmt_tx.h
+4 -1
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -44,6 +44,9 @@ typedef struct {
uint32_t with_dma: 1; /*!< If set, the driver will allocate an RMT channel with DMA capability */
uint32_t io_loop_back: 1; /*!< The signal output from the GPIO will be fed to the input path as well */
uint32_t io_od_mode: 1; /*!< Configure the GPIO as open-drain mode */
uint32_t backup_before_sleep: 1; /*!< If set, the driver will backup/restore the RMT registers before/after entering/exist sleep mode.
By this approach, the system can power off RMT's power domain.
This can save power, but at the expense of more RAM being consumed */
} flags; /*!< TX channel config flags */
} rmt_tx_channel_config_t;