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fix(uart): LP UART does not have the pre-divider for its clock source

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Closes https://github.com/espressif/esp-idf/issues/15427
This commit is contained in:
Song Ruo Jing
2025-02-24 21:27:41 +08:00
parent 488200ffbd
commit ce808b09cd
17 changed files with 207 additions and 218 deletions
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7
components/ulp/lp_core/lp_core_uart.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -53,7 +53,10 @@ static esp_err_t lp_core_uart_param_config(const lp_core_uart_cfg_t *cfg)
}
/* Override protocol parameters from the configuration */
lp_uart_ll_set_baudrate(hal.dev, cfg->uart_proto_cfg.baud_rate, sclk_freq);
if (!lp_uart_ll_set_baudrate(hal.dev, cfg->uart_proto_cfg.baud_rate, sclk_freq)) {
/* Unachievable baud rate */
return ESP_FAIL;
}
uart_hal_set_parity(&hal, cfg->uart_proto_cfg.parity);
uart_hal_set_data_bit_num(&hal, cfg->uart_proto_cfg.data_bits);
uart_hal_set_stop_bits(&hal, cfg->uart_proto_cfg.stop_bits);