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Merge branch 'feat/lp-uart-wakeup-mode3' into 'master'

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Added support for UART wakeup modes

Closes IDF-10202

See merge request espressif/esp-idf!31965
This commit is contained in:
Igor Udot
2025-02-06 11:15:37 +08:00
parent f9d580210c f742a05b28
commit 5f37de2889
70 changed files with 1830 additions and 99 deletions
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8
components/hal/esp32c5/include/hal/lp_core_ll.h
View File

@@ -131,6 +131,14 @@ static inline uint8_t lp_core_ll_get_triggered_interrupt_srcs(void)
return LPPERI.interrupt_source.lp_interrupt_source;
}
/**
* @brief Enable wakeup from LP UART.
*/
static inline void lp_core_ll_enable_lp_uart_wakeup(bool enable)
{
LPPERI.mem_ctrl.uart_wakeup_en = enable;
}
/**
* @brief Get the flag that marks whether LP CPU is awakened by ETM
*

118
components/hal/esp32c5/include/hal/uart_ll.h
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -32,8 +32,10 @@ extern "C" {
#define UART_LL_GET_HW(num) (((num) == UART_NUM_0) ? (&UART0) : (((num) == UART_NUM_1) ? (&UART1) : (&LP_UART)))
#define UART_LL_REG_FIELD_BIT_SHIFT(hw) (((hw) == &LP_UART) ? 3 : 0)
#define UART_LL_WAKEUP_EDGE_THRED_MAX(hw) (((hw) == &LP_UART) ? LP_UART_ACTIVE_THRESHOLD_V : UART_ACTIVE_THRESHOLD_V )
#define UART_LL_WAKEUP_FIFO_THRED_MAX(hw) (((hw) == &LP_UART) ? LP_UART_RX_WAKE_UP_THRHD_V : UART_RX_WAKE_UP_THRHD_V )
#define UART_LL_MIN_WAKEUP_THRESH (3)
#define UART_LL_WAKEUP_EDGE_THRED_MIN (3)
#define UART_LL_INTR_MASK (0x7ffff) //All interrupt mask
#define UART_LL_FSM_IDLE (0x0)
@@ -908,10 +910,114 @@ FORCE_INLINE_ATTR void uart_ll_set_dtr_active_level(uart_dev_t *hw, int level)
*
* @return None.
*/
FORCE_INLINE_ATTR void uart_ll_set_wakeup_thrd(uart_dev_t *hw, uint32_t wakeup_thrd)
FORCE_INLINE_ATTR void uart_ll_set_wakeup_edge_thrd(uart_dev_t *hw, uint32_t wakeup_thrd)
{
// System would wakeup when the number of positive edges of RxD signal is larger than or equal to (UART_ACTIVE_THRESHOLD+3)
hw->sleep_conf2.active_threshold = wakeup_thrd - UART_LL_MIN_WAKEUP_THRESH;
hw->sleep_conf2.active_threshold = wakeup_thrd - UART_LL_WAKEUP_EDGE_THRED_MIN;
}
/**
* @brief Set the number of received data bytes for the RX FIFO threshold wake-up mode.
*
* @param hw Beginning address of the peripheral registers.
* @param wakeup_thrd The wakeup threshold value in bytes to be set.
*
* @return None.
*/
FORCE_INLINE_ATTR void uart_ll_set_wakeup_fifo_thrd(uart_dev_t *hw, uint32_t wakeup_thrd)
{
// System would wakeup when reach the number of the received data number threshold.
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->sleep_conf2, rx_wake_up_thrhd, wakeup_thrd << UART_LL_REG_FIELD_BIT_SHIFT(hw));
}
/**
* @brief Set the UART wakeup mode.
*
* @param hw Beginning address of the peripheral registers.
* @param mode UART wakeup mode to be set.
*
* @return None.
*/
FORCE_INLINE_ATTR void uart_ll_set_wakeup_mode(uart_dev_t *hw, uart_wakeup_mode_t mode)
{
switch(mode){
case UART_WK_MODE_ACTIVE_THRESH:
hw->sleep_conf2.wk_mode_sel = 0;
break;
case UART_WK_MODE_FIFO_THRESH:
hw->sleep_conf2.wk_mode_sel = 1;
break;
case UART_WK_MODE_START_BIT:
hw->sleep_conf2.wk_mode_sel = 2;
break;
case UART_WK_MODE_CHAR_SEQ:
hw->sleep_conf2.wk_mode_sel = 3;
break;
default:
abort();
break;
}
}
/**
* @brief Set the UART specific character sequence wakeup mode mask.
*
* @param hw Beginning address of the peripheral registers.
* @param mask UART wakeup char seq mask to be set.
*
* @return None.
*/
FORCE_INLINE_ATTR void uart_ll_set_wakeup_char_seq_mask(uart_dev_t *hw, uint32_t mask)
{
hw->sleep_conf2.wk_char_mask = mask;
}
/**
* @brief Set the UART specific character sequence wakeup phrase size.
*
* @param hw Beginning address of the peripheral registers.
* @param char_num UART wakeup char seq phrase size to be set.
*
* @return None.
*/
FORCE_INLINE_ATTR void uart_ll_set_wakeup_char_seq_char_num(uart_dev_t *hw, uint32_t char_num)
{
hw->sleep_conf2.wk_char_num = char_num;
}
/**
* @brief Set the UART specific character sequence wakeup mode char.
*
* @param hw Beginning address of the peripheral registers.
* @param char_position UART wakeup char seq char position to be set.
* @param value UART wakeup char seq char value to be set.
*
* @return None.
*/
FORCE_INLINE_ATTR void uart_ll_set_char_seq_wk_char(uart_dev_t *hw, uint32_t char_position, char value)
{
switch (char_position) {
case 0:
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->sleep_conf1, wk_char0, value);
break;
case 1:
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->sleep_conf0, wk_char1, value);
break;
case 2:
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->sleep_conf0, wk_char2, value);
break;
case 3:
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->sleep_conf0, wk_char3, value);
break;
case 4:
HAL_FORCE_MODIFY_U32_REG_FIELD(hw->sleep_conf0, wk_char4, value);
break;
default:
abort();
break;
}
}
/**
@@ -1098,9 +1204,9 @@ FORCE_INLINE_ATTR void uart_ll_get_at_cmd_char(uart_dev_t *hw, uint8_t *cmd_char
*
* @return The UART wakeup threshold value.
*/
FORCE_INLINE_ATTR uint32_t uart_ll_get_wakeup_thrd(uart_dev_t *hw)
FORCE_INLINE_ATTR uint32_t uart_ll_get_wakeup_edge_thrd(uart_dev_t *hw)
{
return hw->sleep_conf2.active_threshold + UART_LL_MIN_WAKEUP_THRESH;
return hw->sleep_conf2.active_threshold + UART_LL_WAKEUP_EDGE_THRED_MIN;
}
/**