mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
Merge branch 'refactor/vfs_uart_multichip_support' into 'master'
vfs_uart & uart: add multichip support See merge request idf/esp-idf!5298
This commit is contained in:
commit
126b687c75
@ -1,9 +1,9 @@
|
||||
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
|
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// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
|
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//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
@ -12,15 +12,14 @@
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
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#ifndef _DRIVER_UART_H_
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#define _DRIVER_UART_H_
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "soc/uart_periph.h"
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#include "soc/uart_caps.h"
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#include "esp_err.h"
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#include "esp_intr_alloc.h"
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#include "driver/periph_ctrl.h"
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@ -82,7 +81,9 @@ typedef enum {
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typedef enum {
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UART_NUM_0 = 0x0, /*!< UART base address 0x3ff40000*/
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UART_NUM_1 = 0x1, /*!< UART base address 0x3ff50000*/
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#if SOC_UART_NUM > 2
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UART_NUM_2 = 0x2, /*!< UART base address 0x3ff6e000*/
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#endif
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UART_NUM_MAX,
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} uart_port_t;
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@ -257,7 +258,7 @@ esp_err_t uart_get_baudrate(uart_port_t uart_num, uint32_t* baudrate);
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*
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* @param uart_num UART_NUM_0, UART_NUM_1 or UART_NUM_2
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* @param inverse_mask Choose the wires that need to be inverted.
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* Inverse_mask should be chosen from
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* Inverse_mask should be chosen from
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* UART_INVERSE_RXD / UART_INVERSE_TXD / UART_INVERSE_RTS / UART_INVERSE_CTS,
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* combined with OR operation.
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*
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@ -401,7 +402,7 @@ esp_err_t uart_enable_tx_intr(uart_port_t uart_num, int enable, int thresh);
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* @param fn Interrupt handler function.
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* @param arg parameter for handler function
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* @param intr_alloc_flags Flags used to allocate the interrupt. One or multiple (ORred)
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* ESP_INTR_FLAG_* values. See esp_intr_alloc.h for more info.
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* ESP_INTR_FLAG_* values. See esp_intr_alloc.h for more info.
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* @param handle Pointer to return handle. If non-NULL, a handle for the interrupt will
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* be returned here.
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*
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@ -429,7 +430,7 @@ esp_err_t uart_isr_free(uart_port_t uart_num);
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* @note Internal signal can be output to multiple GPIO pads.
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* Only one GPIO pad can connect with input signal.
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*
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* @note Instead of GPIO number a macro 'UART_PIN_NO_CHANGE' may be provided
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* @note Instead of GPIO number a macro 'UART_PIN_NO_CHANGE' may be provided
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to keep the currently allocated pin.
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*
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* @param uart_num UART_NUM_0, UART_NUM_1 or UART_NUM_2
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@ -556,7 +557,7 @@ esp_err_t uart_wait_tx_done(uart_port_t uart_num, TickType_t ticks_to_wait);
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/**
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* @brief Send data to the UART port from a given buffer and length.
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*
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*
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* This function will not wait for enough space in TX FIFO. It will just fill the available TX FIFO and return when the FIFO is full.
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* @note This function should only be used when UART TX buffer is not enabled.
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*
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@ -748,10 +749,10 @@ int uart_pattern_get_pos(uart_port_t uart_num);
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esp_err_t uart_pattern_queue_reset(uart_port_t uart_num, int queue_length);
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/**
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* @brief UART set communication mode
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* @brief UART set communication mode
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* @note This function must be executed after uart_driver_install(), when the driver object is initialized.
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* @param uart_num Uart number to configure
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* @param mode UART UART mode to set
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* @param mode UART UART mode to set
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*
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* @return
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* - ESP_OK Success
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@ -763,8 +764,8 @@ esp_err_t uart_set_mode(uart_port_t uart_num, uart_mode_t mode);
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* @brief UART set threshold timeout for TOUT feature
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*
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* @param uart_num Uart number to configure
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* @param tout_thresh This parameter defines timeout threshold in uart symbol periods. The maximum value of threshold is 126.
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* tout_thresh = 1, defines TOUT interrupt timeout equal to transmission time of one symbol (~11 bit) on current baudrate.
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* @param tout_thresh This parameter defines timeout threshold in uart symbol periods. The maximum value of threshold is 126.
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* tout_thresh = 1, defines TOUT interrupt timeout equal to transmission time of one symbol (~11 bit) on current baudrate.
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* If the time is expired the UART_RXFIFO_TOUT_INT interrupt is triggered. If tout_thresh == 0,
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* the TOUT feature is disabled.
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*
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@ -785,7 +786,7 @@ esp_err_t uart_set_rx_timeout(uart_port_t uart_num, const uint8_t tout_thresh);
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* @param collision_flag Pointer to variable of type bool to return collision flag.
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*
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* @return
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* - ESP_OK Success
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* - ESP_OK Success
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* - ESP_ERR_INVALID_ARG Parameter error
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*/
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esp_err_t uart_get_collision_flag(uart_port_t uart_num, bool* collision_flag);
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@ -844,4 +845,3 @@ esp_err_t uart_get_wakeup_threshold(uart_port_t uart_num, int* out_wakeup_thresh
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}
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#endif
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#endif /*_DRIVER_UART_H_*/
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|
@ -29,6 +29,8 @@
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#include "driver/gpio.h"
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#include "driver/uart_select.h"
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#define UART_NUM SOC_UART_NUM
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#define XOFF (char)0x13
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#define XON (char)0x11
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@ -113,8 +115,20 @@ typedef struct {
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static uart_obj_t *p_uart_obj[UART_NUM_MAX] = {0};
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/* DRAM_ATTR is required to avoid UART array placed in flash, due to accessed from ISR */
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static DRAM_ATTR uart_dev_t* const UART[UART_NUM_MAX] = {&UART0, &UART1, &UART2};
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static portMUX_TYPE uart_spinlock[UART_NUM_MAX] = {portMUX_INITIALIZER_UNLOCKED, portMUX_INITIALIZER_UNLOCKED, portMUX_INITIALIZER_UNLOCKED};
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static DRAM_ATTR uart_dev_t* const UART[UART_NUM_MAX] = {
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&UART0,
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&UART1,
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#if UART_NUM > 2
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&UART2
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#endif
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};
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static portMUX_TYPE uart_spinlock[UART_NUM_MAX] = {
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portMUX_INITIALIZER_UNLOCKED,
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portMUX_INITIALIZER_UNLOCKED,
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#if UART_NUM > 2
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portMUX_INITIALIZER_UNLOCKED
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#endif
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};
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static portMUX_TYPE uart_selectlock = portMUX_INITIALIZER_UNLOCKED;
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esp_err_t uart_set_word_length(uart_port_t uart_num, uart_word_length_t data_bit)
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@ -528,9 +542,11 @@ esp_err_t uart_isr_register(uart_port_t uart_num, void (*fn)(void*), void * arg,
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case UART_NUM_1:
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ret=esp_intr_alloc(ETS_UART1_INTR_SOURCE, intr_alloc_flags, fn, arg, handle);
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break;
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#if UART_NUM > 2
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case UART_NUM_2:
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ret=esp_intr_alloc(ETS_UART2_INTR_SOURCE, intr_alloc_flags, fn, arg, handle);
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break;
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#endif
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case UART_NUM_0:
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default:
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ret=esp_intr_alloc(ETS_UART0_INTR_SOURCE, intr_alloc_flags, fn, arg, handle);
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@ -577,12 +593,14 @@ esp_err_t uart_set_pin(uart_port_t uart_num, int tx_io_num, int rx_io_num, int r
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rts_sig = U1RTS_OUT_IDX;
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cts_sig = U1CTS_IN_IDX;
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break;
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#if UART_NUM > 2
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case UART_NUM_2:
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tx_sig = U2TXD_OUT_IDX;
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rx_sig = U2RXD_IN_IDX;
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rts_sig = U2RTS_OUT_IDX;
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cts_sig = U2CTS_IN_IDX;
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break;
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#endif
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case UART_NUM_MAX:
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default:
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tx_sig = U0TXD_OUT_IDX;
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@ -656,8 +674,10 @@ esp_err_t uart_param_config(uart_port_t uart_num, const uart_config_t *uart_conf
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periph_module_enable(PERIPH_UART0_MODULE);
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} else if(uart_num == UART_NUM_1) {
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periph_module_enable(PERIPH_UART1_MODULE);
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#if UART_NUM > 2
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} else if(uart_num == UART_NUM_2) {
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periph_module_enable(PERIPH_UART2_MODULE);
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#endif
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}
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r = uart_set_hw_flow_ctrl(uart_num, uart_config->flow_ctrl, uart_config->rx_flow_ctrl_thresh);
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if (r != ESP_OK) return r;
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@ -1460,8 +1480,10 @@ esp_err_t uart_driver_delete(uart_port_t uart_num)
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periph_module_disable(PERIPH_UART0_MODULE);
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} else if(uart_num == UART_NUM_1) {
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periph_module_disable(PERIPH_UART1_MODULE);
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#if UART_NUM > 2
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} else if(uart_num == UART_NUM_2) {
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periph_module_disable(PERIPH_UART2_MODULE);
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#endif
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}
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}
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return ESP_OK;
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@ -24,7 +24,7 @@
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// Default port defines
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#define MB_DEVICE_ADDRESS (1) // Default slave device address in Modbus
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#define MB_DEVICE_SPEED (115200) // Default Modbus speed for now hard defined
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#define MB_UART_PORT (UART_NUM_2) // Default UART port number
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#define MB_UART_PORT (UART_NUM_MAX - 1) // Default UART port number
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#define MB_PAR_INFO_TOUT (10) // Timeout for get parameter info
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#define MB_PARITY_NONE (UART_PARITY_DISABLE)
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|
@ -78,7 +78,7 @@ static TaskHandle_t xMbTaskHandle;
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static const CHAR *TAG = "MB_SERIAL";
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// The UART hardware port number
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static UCHAR ucUartNumber = UART_NUM_2;
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static UCHAR ucUartNumber = UART_NUM_MAX - 1;
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static BOOL bRxStateEnabled = FALSE; // Receiver enabled flag
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static BOOL bTxStateEnabled = FALSE; // Transmitter enabled flag
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|
@ -73,7 +73,7 @@ static QueueHandle_t xMbUartQueue;
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static TaskHandle_t xMbTaskHandle;
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// The UART hardware port number
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static UCHAR ucUartNumber = UART_NUM_2;
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static UCHAR ucUartNumber = UART_NUM_MAX - 1;
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static BOOL bRxStateEnabled = FALSE; // Receiver enabled flag
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static BOOL bTxStateEnabled = FALSE; // Transmitter enabled flag
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|
@ -83,7 +83,7 @@ static esp_err_t mbc_serial_master_setup(void* comm_info)
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MB_MASTER_CHECK(((comm_info_ptr->mode == MB_MODE_RTU) || (comm_info_ptr->mode == MB_MODE_ASCII)),
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ESP_ERR_INVALID_ARG, "mb incorrect mode = (0x%x).",
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(uint32_t)comm_info_ptr->mode);
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MB_MASTER_CHECK((comm_info_ptr->port <= UART_NUM_2), ESP_ERR_INVALID_ARG,
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MB_MASTER_CHECK((comm_info_ptr->port < UART_NUM_MAX), ESP_ERR_INVALID_ARG,
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"mb wrong port to set = (0x%x).", (uint32_t)comm_info_ptr->port);
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MB_MASTER_CHECK((comm_info_ptr->parity <= UART_PARITY_EVEN), ESP_ERR_INVALID_ARG,
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"mb wrong parity option = (0x%x).", (uint32_t)comm_info_ptr->parity);
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|
@ -69,7 +69,7 @@ static esp_err_t mbc_serial_slave_setup(void* comm_info)
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MB_SLAVE_CHECK((comm_settings->slave_addr <= MB_ADDRESS_MAX),
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ESP_ERR_INVALID_ARG, "mb wrong slave address = (0x%x).",
|
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(uint32_t)comm_settings->slave_addr);
|
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MB_SLAVE_CHECK((comm_settings->port <= UART_NUM_2), ESP_ERR_INVALID_ARG,
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MB_SLAVE_CHECK((comm_settings->port < UART_NUM_MAX), ESP_ERR_INVALID_ARG,
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"mb wrong port to set = (0x%x).", (uint32_t)comm_settings->port);
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MB_SLAVE_CHECK((comm_settings->parity <= UART_PARITY_EVEN), ESP_ERR_INVALID_ARG,
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"mb wrong parity option = (0x%x).", (uint32_t)comm_settings->parity);
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|
26
components/soc/esp32/include/soc/uart_caps.h
Normal file
26
components/soc/esp32/include/soc/uart_caps.h
Normal file
@ -0,0 +1,26 @@
|
||||
// Copyright 2017-2019 Espressif Systems (Shanghai) PTE LTD
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#define SOC_UART_NUM 3
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
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|
@ -13,6 +13,8 @@
|
||||
// limitations under the License.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "soc/uart_caps.h"
|
||||
#include "soc/uart_reg.h"
|
||||
#include "soc/uart_struct.h"
|
||||
#include "soc/uart_channel.h"
|
||||
|
@ -28,11 +28,27 @@
|
||||
#include "esp32/rom/uart.h"
|
||||
|
||||
// TODO: make the number of UARTs chip dependent
|
||||
#define UART_NUM 3
|
||||
#define UART_NUM SOC_UART_NUM
|
||||
|
||||
// Token signifying that no character is available
|
||||
#define NONE -1
|
||||
|
||||
#if CONFIG_NEWLIB_STDOUT_LINE_ENDING_CRLF
|
||||
# define DEFAULT_TX_MODE ESP_LINE_ENDINGS_CRLF
|
||||
#elif CONFIG_NEWLIB_STDOUT_LINE_ENDING_CR
|
||||
# define DEFAULT_TX_MODE ESP_LINE_ENDINGS_CR
|
||||
#else
|
||||
# define DEFAULT_TX_MODE ESP_LINE_ENDINGS_LF
|
||||
#endif
|
||||
|
||||
#if CONFIG_NEWLIB_STDIN_LINE_ENDING_CRLF
|
||||
# define DEFAULT_RX_MODE ESP_LINE_ENDINGS_CRLF
|
||||
#elif CONFIG_NEWLIB_STDIN_LINE_ENDING_CR
|
||||
# define DEFAULT_RX_MODE ESP_LINE_ENDINGS_CR
|
||||
#else
|
||||
# define DEFAULT_RX_MODE ESP_LINE_ENDINGS_LF
|
||||
#endif
|
||||
|
||||
// UART write bytes function type
|
||||
typedef void (*tx_func_t)(int, int);
|
||||
// UART read bytes function type
|
||||
@ -46,17 +62,54 @@ static int uart_rx_char(int fd);
|
||||
static void uart_tx_char_via_driver(int fd, int c);
|
||||
static int uart_rx_char_via_driver(int fd);
|
||||
|
||||
// Pointers to UART peripherals
|
||||
static uart_dev_t* s_uarts[UART_NUM] = {&UART0, &UART1, &UART2};
|
||||
// per-UART locks, lazily initialized
|
||||
static _lock_t s_uart_read_locks[UART_NUM];
|
||||
static _lock_t s_uart_write_locks[UART_NUM];
|
||||
// One-character buffer used for newline conversion code, per UART
|
||||
static int s_peek_char[UART_NUM] = { NONE, NONE, NONE };
|
||||
// Per-UART non-blocking flag. Note: default implementation does not honor this
|
||||
// flag, all reads are non-blocking. This option becomes effective if UART
|
||||
// driver is used.
|
||||
static bool s_non_blocking[UART_NUM];
|
||||
typedef struct {
|
||||
// Pointers to UART peripherals
|
||||
uart_dev_t* uart;
|
||||
// One-character buffer used for newline conversion code, per UART
|
||||
int peek_char;
|
||||
// per-UART locks, lazily initialized
|
||||
_lock_t read_lock;
|
||||
_lock_t write_lock;
|
||||
// Per-UART non-blocking flag. Note: default implementation does not honor this
|
||||
// flag, all reads are non-blocking. This option becomes effective if UART
|
||||
// driver is used.
|
||||
bool non_blocking;
|
||||
// Newline conversion mode when transmitting
|
||||
esp_line_endings_t tx_mode;
|
||||
// Newline conversion mode when receiving
|
||||
esp_line_endings_t rx_mode;
|
||||
// Functions used to write bytes to UART. Default to "basic" functions.
|
||||
tx_func_t tx_func;
|
||||
// Functions used to read bytes from UART. Default to "basic" functions.
|
||||
rx_func_t rx_func;
|
||||
} vfs_uart_context_t;
|
||||
|
||||
#define VFS_CTX_DEFAULT_VAL(uart_dev) (vfs_uart_context_t) {\
|
||||
.uart = (uart_dev),\
|
||||
.peek_char = NONE,\
|
||||
.tx_mode = DEFAULT_TX_MODE,\
|
||||
.rx_mode = DEFAULT_RX_MODE,\
|
||||
.tx_func = uart_tx_char,\
|
||||
.rx_func = uart_rx_char,\
|
||||
}
|
||||
|
||||
//If the context should be dynamically initialized, remove this structure
|
||||
//and point s_ctx to allocated data.
|
||||
static vfs_uart_context_t s_context[UART_NUM] = {
|
||||
VFS_CTX_DEFAULT_VAL(&UART0),
|
||||
VFS_CTX_DEFAULT_VAL(&UART1),
|
||||
#if UART_NUM > 2
|
||||
VFS_CTX_DEFAULT_VAL(&UART2),
|
||||
#endif
|
||||
};
|
||||
|
||||
static vfs_uart_context_t* s_ctx[UART_NUM] = {
|
||||
&s_context[0],
|
||||
&s_context[1],
|
||||
#if UART_NUM > 2
|
||||
&s_context[2],
|
||||
#endif
|
||||
};
|
||||
|
||||
/* Lock ensuring that uart_select is used from only one task at the time */
|
||||
static _lock_t s_one_select_lock;
|
||||
@ -69,39 +122,9 @@ static fd_set *_readfds_orig = NULL;
|
||||
static fd_set *_writefds_orig = NULL;
|
||||
static fd_set *_errorfds_orig = NULL;
|
||||
|
||||
// Newline conversion mode when transmitting
|
||||
static esp_line_endings_t s_tx_mode =
|
||||
#if CONFIG_NEWLIB_STDOUT_LINE_ENDING_CRLF
|
||||
ESP_LINE_ENDINGS_CRLF;
|
||||
#elif CONFIG_NEWLIB_STDOUT_LINE_ENDING_CR
|
||||
ESP_LINE_ENDINGS_CR;
|
||||
#else
|
||||
ESP_LINE_ENDINGS_LF;
|
||||
#endif
|
||||
|
||||
// Newline conversion mode when receiving
|
||||
static esp_line_endings_t s_rx_mode[UART_NUM] = { [0 ... UART_NUM-1] =
|
||||
#if CONFIG_NEWLIB_STDIN_LINE_ENDING_CRLF
|
||||
ESP_LINE_ENDINGS_CRLF
|
||||
#elif CONFIG_NEWLIB_STDIN_LINE_ENDING_CR
|
||||
ESP_LINE_ENDINGS_CR
|
||||
#else
|
||||
ESP_LINE_ENDINGS_LF
|
||||
#endif
|
||||
};
|
||||
|
||||
static void uart_end_select();
|
||||
|
||||
// Functions used to write bytes to UART. Default to "basic" functions.
|
||||
static tx_func_t s_uart_tx_func[UART_NUM] = {
|
||||
&uart_tx_char, &uart_tx_char, &uart_tx_char
|
||||
};
|
||||
|
||||
// Functions used to read bytes from UART. Default to "basic" functions.
|
||||
static rx_func_t s_uart_rx_func[UART_NUM] = {
|
||||
&uart_rx_char, &uart_rx_char, &uart_rx_char
|
||||
};
|
||||
|
||||
|
||||
static int uart_open(const char * path, int flags, int mode)
|
||||
{
|
||||
@ -120,14 +143,14 @@ static int uart_open(const char * path, int flags, int mode)
|
||||
return fd;
|
||||
}
|
||||
|
||||
s_non_blocking[fd] = ((flags & O_NONBLOCK) == O_NONBLOCK);
|
||||
s_ctx[fd]->non_blocking = ((flags & O_NONBLOCK) == O_NONBLOCK);
|
||||
|
||||
return fd;
|
||||
}
|
||||
|
||||
static void uart_tx_char(int fd, int c)
|
||||
{
|
||||
uart_dev_t* uart = s_uarts[fd];
|
||||
uart_dev_t* uart = s_ctx[fd]->uart;
|
||||
while (uart->status.txfifo_cnt >= 127) {
|
||||
;
|
||||
}
|
||||
@ -142,7 +165,7 @@ static void uart_tx_char_via_driver(int fd, int c)
|
||||
|
||||
static int uart_rx_char(int fd)
|
||||
{
|
||||
uart_dev_t* uart = s_uarts[fd];
|
||||
uart_dev_t* uart = s_ctx[fd]->uart;
|
||||
if (uart->status.rxfifo_cnt == 0) {
|
||||
return NONE;
|
||||
}
|
||||
@ -152,7 +175,7 @@ static int uart_rx_char(int fd)
|
||||
static int uart_rx_char_via_driver(int fd)
|
||||
{
|
||||
uint8_t c;
|
||||
int timeout = s_non_blocking[fd] ? 0 : portMAX_DELAY;
|
||||
int timeout = s_ctx[fd]->non_blocking ? 0 : portMAX_DELAY;
|
||||
int n = uart_read_bytes(fd, &c, 1, timeout);
|
||||
if (n <= 0) {
|
||||
return NONE;
|
||||
@ -168,18 +191,18 @@ static ssize_t uart_write(int fd, const void * data, size_t size)
|
||||
* a dedicated UART lock if two streams (stdout and stderr) point to the
|
||||
* same UART.
|
||||
*/
|
||||
_lock_acquire_recursive(&s_uart_write_locks[fd]);
|
||||
_lock_acquire_recursive(&s_ctx[fd]->write_lock);
|
||||
for (size_t i = 0; i < size; i++) {
|
||||
int c = data_c[i];
|
||||
if (c == '\n' && s_tx_mode != ESP_LINE_ENDINGS_LF) {
|
||||
s_uart_tx_func[fd](fd, '\r');
|
||||
if (s_tx_mode == ESP_LINE_ENDINGS_CR) {
|
||||
if (c == '\n' && s_ctx[fd]->tx_mode != ESP_LINE_ENDINGS_LF) {
|
||||
s_ctx[fd]->tx_func(fd, '\r');
|
||||
if (s_ctx[fd]->tx_mode == ESP_LINE_ENDINGS_CR) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
s_uart_tx_func[fd](fd, c);
|
||||
s_ctx[fd]->tx_func(fd, c);
|
||||
}
|
||||
_lock_release_recursive(&s_uart_write_locks[fd]);
|
||||
_lock_release_recursive(&s_ctx[fd]->write_lock);
|
||||
return size;
|
||||
}
|
||||
|
||||
@ -190,19 +213,19 @@ static ssize_t uart_write(int fd, const void * data, size_t size)
|
||||
static int uart_read_char(int fd)
|
||||
{
|
||||
/* return character from peek buffer, if it is there */
|
||||
if (s_peek_char[fd] != NONE) {
|
||||
int c = s_peek_char[fd];
|
||||
s_peek_char[fd] = NONE;
|
||||
if (s_ctx[fd]->peek_char != NONE) {
|
||||
int c = s_ctx[fd]->peek_char;
|
||||
s_ctx[fd]->peek_char = NONE;
|
||||
return c;
|
||||
}
|
||||
return s_uart_rx_func[fd](fd);
|
||||
return s_ctx[fd]->rx_func(fd);
|
||||
}
|
||||
|
||||
/* Push back a character; it will be returned by next call to uart_read_char */
|
||||
static void uart_return_char(int fd, int c)
|
||||
{
|
||||
assert(s_peek_char[fd] == NONE);
|
||||
s_peek_char[fd] = c;
|
||||
assert(s_ctx[fd]->peek_char == NONE);
|
||||
s_ctx[fd]->peek_char = c;
|
||||
}
|
||||
|
||||
static ssize_t uart_read(int fd, void* data, size_t size)
|
||||
@ -210,13 +233,13 @@ static ssize_t uart_read(int fd, void* data, size_t size)
|
||||
assert(fd >=0 && fd < 3);
|
||||
char *data_c = (char *) data;
|
||||
size_t received = 0;
|
||||
_lock_acquire_recursive(&s_uart_read_locks[fd]);
|
||||
_lock_acquire_recursive(&s_ctx[fd]->read_lock);
|
||||
while (received < size) {
|
||||
int c = uart_read_char(fd);
|
||||
if (c == '\r') {
|
||||
if (s_rx_mode[fd] == ESP_LINE_ENDINGS_CR) {
|
||||
if (s_ctx[fd]->rx_mode == ESP_LINE_ENDINGS_CR) {
|
||||
c = '\n';
|
||||
} else if (s_rx_mode[fd] == ESP_LINE_ENDINGS_CRLF) {
|
||||
} else if (s_ctx[fd]->rx_mode == ESP_LINE_ENDINGS_CRLF) {
|
||||
/* look ahead */
|
||||
int c2 = uart_read_char(fd);
|
||||
if (c2 == NONE) {
|
||||
@ -243,7 +266,7 @@ static ssize_t uart_read(int fd, void* data, size_t size)
|
||||
break;
|
||||
}
|
||||
}
|
||||
_lock_release_recursive(&s_uart_read_locks[fd]);
|
||||
_lock_release_recursive(&s_ctx[fd]->read_lock);
|
||||
if (received > 0) {
|
||||
return received;
|
||||
}
|
||||
@ -269,11 +292,11 @@ static int uart_fcntl(int fd, int cmd, int arg)
|
||||
assert(fd >=0 && fd < 3);
|
||||
int result = 0;
|
||||
if (cmd == F_GETFL) {
|
||||
if (s_non_blocking[fd]) {
|
||||
if (s_ctx[fd]->non_blocking) {
|
||||
result |= O_NONBLOCK;
|
||||
}
|
||||
} else if (cmd == F_SETFL) {
|
||||
s_non_blocking[fd] = (arg & O_NONBLOCK) != 0;
|
||||
s_ctx[fd]->non_blocking = (arg & O_NONBLOCK) != 0;
|
||||
} else {
|
||||
// unsupported operation
|
||||
result = -1;
|
||||
@ -306,9 +329,9 @@ static int uart_access(const char *path, int amode)
|
||||
static int uart_fsync(int fd)
|
||||
{
|
||||
assert(fd >= 0 && fd < 3);
|
||||
_lock_acquire_recursive(&s_uart_write_locks[fd]);
|
||||
_lock_acquire_recursive(&s_ctx[fd]->write_lock);
|
||||
uart_tx_wait_idle((uint8_t) fd);
|
||||
_lock_release_recursive(&s_uart_write_locks[fd]);
|
||||
_lock_release_recursive(&s_ctx[fd]->write_lock);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -477,11 +500,11 @@ static int uart_tcsetattr(int fd, int optional_actions, const struct termios *p)
|
||||
}
|
||||
|
||||
if (p->c_iflag & IGNCR) {
|
||||
s_rx_mode[fd] = ESP_LINE_ENDINGS_CRLF;
|
||||
s_ctx[fd]->rx_mode = ESP_LINE_ENDINGS_CRLF;
|
||||
} else if (p->c_iflag & ICRNL) {
|
||||
s_rx_mode[fd] = ESP_LINE_ENDINGS_CR;
|
||||
s_ctx[fd]->rx_mode = ESP_LINE_ENDINGS_CR;
|
||||
} else {
|
||||
s_rx_mode[fd] = ESP_LINE_ENDINGS_LF;
|
||||
s_ctx[fd]->rx_mode = ESP_LINE_ENDINGS_LF;
|
||||
}
|
||||
|
||||
// output line endings are not supported because there is no alternative in termios for converting LF to CR
|
||||
@ -660,9 +683,9 @@ static int uart_tcgetattr(int fd, struct termios *p)
|
||||
|
||||
memset(p, 0, sizeof(struct termios));
|
||||
|
||||
if (s_rx_mode[fd] == ESP_LINE_ENDINGS_CRLF) {
|
||||
if (s_ctx[fd]->rx_mode == ESP_LINE_ENDINGS_CRLF) {
|
||||
p->c_iflag |= IGNCR;
|
||||
} else if (s_rx_mode[fd] == ESP_LINE_ENDINGS_CR) {
|
||||
} else if (s_ctx[fd]->rx_mode == ESP_LINE_ENDINGS_CR) {
|
||||
p->c_iflag |= ICRNL;
|
||||
}
|
||||
|
||||
@ -919,31 +942,33 @@ void esp_vfs_dev_uart_register()
|
||||
void esp_vfs_dev_uart_set_rx_line_endings(esp_line_endings_t mode)
|
||||
{
|
||||
for (int i = 0; i < UART_NUM; ++i) {
|
||||
s_rx_mode[i] = mode;
|
||||
s_ctx[i]->rx_mode = mode;
|
||||
}
|
||||
}
|
||||
|
||||
void esp_vfs_dev_uart_set_tx_line_endings(esp_line_endings_t mode)
|
||||
{
|
||||
s_tx_mode = mode;
|
||||
for (int i = 0; i < UART_NUM; ++i) {
|
||||
s_ctx[i]->tx_mode = mode;
|
||||
}
|
||||
}
|
||||
|
||||
void esp_vfs_dev_uart_use_nonblocking(int uart_num)
|
||||
{
|
||||
_lock_acquire_recursive(&s_uart_read_locks[uart_num]);
|
||||
_lock_acquire_recursive(&s_uart_write_locks[uart_num]);
|
||||
s_uart_tx_func[uart_num] = uart_tx_char;
|
||||
s_uart_rx_func[uart_num] = uart_rx_char;
|
||||
_lock_release_recursive(&s_uart_write_locks[uart_num]);
|
||||
_lock_release_recursive(&s_uart_read_locks[uart_num]);
|
||||
_lock_acquire_recursive(&s_ctx[uart_num]->read_lock);
|
||||
_lock_acquire_recursive(&s_ctx[uart_num]->write_lock);
|
||||
s_ctx[uart_num]->tx_func = uart_tx_char;
|
||||
s_ctx[uart_num]->rx_func = uart_rx_char;
|
||||
_lock_release_recursive(&s_ctx[uart_num]->write_lock);
|
||||
_lock_release_recursive(&s_ctx[uart_num]->read_lock);
|
||||
}
|
||||
|
||||
void esp_vfs_dev_uart_use_driver(int uart_num)
|
||||
{
|
||||
_lock_acquire_recursive(&s_uart_read_locks[uart_num]);
|
||||
_lock_acquire_recursive(&s_uart_write_locks[uart_num]);
|
||||
s_uart_tx_func[uart_num] = uart_tx_char_via_driver;
|
||||
s_uart_rx_func[uart_num] = uart_rx_char_via_driver;
|
||||
_lock_release_recursive(&s_uart_write_locks[uart_num]);
|
||||
_lock_release_recursive(&s_uart_read_locks[uart_num]);
|
||||
_lock_acquire_recursive(&s_ctx[uart_num]->read_lock);
|
||||
_lock_acquire_recursive(&s_ctx[uart_num]->write_lock);
|
||||
s_ctx[uart_num]->tx_func = uart_tx_char_via_driver;
|
||||
s_ctx[uart_num]->rx_func = uart_rx_char_via_driver;
|
||||
_lock_release_recursive(&s_ctx[uart_num]->write_lock);
|
||||
_lock_release_recursive(&s_ctx[uart_num]->read_lock);
|
||||
}
|
||||
|
Loading…
x
Reference in New Issue
Block a user