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fix(lp_core): fix LP UART init parameter validation

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Align data_bits, flow_ctrl, and rx_flow_ctrl_thresh checks with uart_param_config().

Made-with: Cursor
This commit is contained in:
Sudeep Mohanty
2026-07-27 15:35:30 +02:00
parent b080cf1e91
commit fd466db9f6
2 changed files with 25 additions and 5 deletions
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components/ulp/lp_core/lp_core_uart.c
+4 -4
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -34,9 +34,9 @@ static esp_err_t lp_core_uart_param_config(const lp_core_uart_cfg_t *cfg)
esp_err_t ret = ESP_OK;
/* Argument sanity check */
if ((cfg->uart_proto_cfg.rx_flow_ctrl_thresh > SOC_LP_UART_FIFO_LEN) ||
(cfg->uart_proto_cfg.flow_ctrl > UART_HW_FLOWCTRL_MAX) ||
(cfg->uart_proto_cfg.data_bits > UART_DATA_BITS_MAX)) {
if ((cfg->uart_proto_cfg.rx_flow_ctrl_thresh >= SOC_LP_UART_FIFO_LEN) ||
(cfg->uart_proto_cfg.flow_ctrl >= UART_HW_FLOWCTRL_MAX) ||
(cfg->uart_proto_cfg.data_bits >= UART_DATA_BITS_MAX)) {
// Invalid config
return ESP_ERR_INVALID_ARG;
}