alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-25 09:50:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(esp_driver_uart): support hp uarts wakeup modes 1 2 3 during light sleep

Browse Source
This commit is contained in:
Li Shuai
2025-03-13 16:17:41 +08:00
parent ea57c1b491
commit d115a3daac
10 changed files with 88 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
components/esp_driver_uart/src/uart_wakeup.c
View File

@@ -13,6 +13,10 @@
#include "driver/uart_wakeup.h"
#include "hal/uart_hal.h"
#include "esp_private/esp_sleep_internal.h"
#include "esp_log.h"
const __attribute__((unused)) static char *TAG = "uart_wakeup";
#if SOC_UART_WAKEUP_SUPPORT_CHAR_SEQ_MODE
static esp_err_t uart_char_seq_wk_configure(uart_dev_t *hw, const char* phrase)
@@ -59,6 +63,26 @@ esp_err_t uart_wakeup_setup(uart_port_t uart_num, const uart_wakeup_cfg_t *cfg)
// This should be mocked at ll level if the selection of the UART wakeup mode is not supported by this SOC.
uart_ll_set_wakeup_mode(hw, cfg->wakeup_mode);
#if SOC_PM_SUPPORT_PMU_CLK_ICG
// When hp uarts are utilized, the main XTAL need to be PU and UARTx & IOMX ICG need to be ungate
bool __attribute__((unused)) is_hp_uart = (uart_num < SOC_UART_HP_NUM);
uart_hal_context_t hal = {
.dev = hw,
};
soc_module_clk_t src_clk;
uart_hal_get_sclk(&hal, &src_clk);
if (is_hp_uart && cfg->wakeup_mode != UART_WK_MODE_ACTIVE_THRESH) {
if (src_clk != SOC_MOD_CLK_XTAL) {
ESP_LOGE(TAG, "Failed to setup uart wakeup due to the clock source is not XTAL!");
return ESP_ERR_NOT_SUPPORTED;
}
esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL, ESP_PD_OPTION_ON);
esp_sleep_clock_config(UART_LL_SLEEP_CLOCK(uart_num), ESP_SLEEP_CLOCK_OPTION_UNGATE);
esp_sleep_clock_config(ESP_SLEEP_CLOCK_IOMUX, ESP_SLEEP_CLOCK_OPTION_UNGATE);
}
#endif
switch (cfg->wakeup_mode) {
#if SOC_UART_WAKEUP_SUPPORT_ACTIVE_THRESH_MODE
case UART_WK_MODE_ACTIVE_THRESH:
@@ -89,3 +113,18 @@ esp_err_t uart_wakeup_setup(uart_port_t uart_num, const uart_wakeup_cfg_t *cfg)
return ESP_ERR_INVALID_ARG;
}
void uart_wakeup_clear(uart_port_t uart_num, uart_wakeup_mode_t wakeup_mode)
{
#if SOC_PM_SUPPORT_PMU_CLK_ICG
// When hp uarts are utilized, the main XTAL need to be PU and UARTx & IOMX ICG need to be ungate
bool __attribute__((unused)) is_hp_uart = (uart_num < SOC_UART_HP_NUM);
if (is_hp_uart && wakeup_mode != UART_WK_MODE_ACTIVE_THRESH) {
esp_sleep_clock_config(UART_LL_SLEEP_CLOCK(uart_num), ESP_SLEEP_CLOCK_OPTION_GATE);
esp_sleep_clock_config(ESP_SLEEP_CLOCK_IOMUX, ESP_SLEEP_CLOCK_OPTION_GATE);
esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL, ESP_PD_OPTION_OFF);
}
#endif
}