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Allow to customize uart source_clk

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This is for example needed when using an external crystal to select
UART_SCLK_XTAL, which fixes uart comm issue when using PM with light
sleep enabled.
This commit is contained in:
Bruno Binet
2022-06-22 15:37:06 +02:00
parent 51a50db0fd
commit d723fb7a5a
4 changed files with 7 additions and 3 deletions
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2
components/esp_modem/include/esp_modem_config.h
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@ -50,6 +50,7 @@ struct esp_modem_uart_term_config {
uart_stop_bits_t stop_bits; /*!< Stop bits of UART */ uart_stop_bits_t stop_bits; /*!< Stop bits of UART */
uart_parity_t parity; /*!< Parity type */ uart_parity_t parity; /*!< Parity type */
esp_modem_flow_ctrl_t flow_control; /*!< Flow control type */ esp_modem_flow_ctrl_t flow_control; /*!< Flow control type */
uart_sclk_t source_clk; /*!< UART source clock selection */
int baud_rate; /*!< Communication baud rate */ int baud_rate; /*!< Communication baud rate */
int tx_io_num; /*!< TXD Pin Number */ int tx_io_num; /*!< TXD Pin Number */
int rx_io_num; /*!< RXD Pin Number */ int rx_io_num; /*!< RXD Pin Number */
@ -107,6 +108,7 @@ struct esp_modem_dte_config {
.stop_bits = UART_STOP_BITS_1, \ .stop_bits = UART_STOP_BITS_1, \
.parity = UART_PARITY_DISABLE, \ .parity = UART_PARITY_DISABLE, \
.flow_control = ESP_MODEM_FLOW_CONTROL_NONE,\ .flow_control = ESP_MODEM_FLOW_CONTROL_NONE,\
.source_clk = UART_SCLK_APB, \
.baud_rate = 115200, \ .baud_rate = 115200, \
.tx_io_num = 25, \ .tx_io_num = 25, \
.rx_io_num = 26, \ .rx_io_num = 26, \

1
components/esp_modem/include/vfs_resource/vfs_create.hpp
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@ -22,6 +22,7 @@
.stop_bits = UART_STOP_BITS_1, \ .stop_bits = UART_STOP_BITS_1, \
.parity = UART_PARITY_DISABLE, \ .parity = UART_PARITY_DISABLE, \
.flow_control = ESP_MODEM_FLOW_CONTROL_NONE,\ .flow_control = ESP_MODEM_FLOW_CONTROL_NONE,\
.source_clk = UART_SCLK_APB, \
.baud_rate = 115200, \ .baud_rate = 115200, \
.tx_io_num = 25, \ .tx_io_num = 25, \
.rx_io_num = 26, \ .rx_io_num = 26, \

1
components/esp_modem/port/linux/esp_system_protocols_linux/include/driver/uart.h
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@ -18,3 +18,4 @@ typedef int uart_port_t;
typedef int uart_word_length_t; typedef int uart_word_length_t;
typedef int uart_stop_bits_t; typedef int uart_stop_bits_t;
typedef int uart_parity_t; typedef int uart_parity_t;
typedef int uart_sclk_t;

2
components/esp_modem/src/esp_modem_term_uart.cpp
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@ -38,7 +38,7 @@ uart_resource::uart_resource(const esp_modem_uart_term_config *config, QueueHand
uart_config.stop_bits = config->stop_bits; uart_config.stop_bits = config->stop_bits;
uart_config.flow_ctrl = (config->flow_control == ESP_MODEM_FLOW_CONTROL_HW) ? UART_HW_FLOWCTRL_CTS_RTS uart_config.flow_ctrl = (config->flow_control == ESP_MODEM_FLOW_CONTROL_HW) ? UART_HW_FLOWCTRL_CTS_RTS
: UART_HW_FLOWCTRL_DISABLE; : UART_HW_FLOWCTRL_DISABLE;
uart_config.source_clk = UART_SCLK_APB; uart_config.source_clk = config->source_clk;
throw_if_esp_fail(uart_param_config(config->port_num, &uart_config), "config uart parameter failed"); throw_if_esp_fail(uart_param_config(config->port_num, &uart_config), "config uart parameter failed");