You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
153 lines
8.3 KiB
153 lines
8.3 KiB
/*
|
|
* Copyright (c) 2020-2022, Erich Styger
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef MCUUART485CONFIG_H_
|
|
#define MCUUART485CONFIG_H_
|
|
|
|
#include "McuLib.h"
|
|
|
|
#ifndef McuUart485_CONFIG_USE_RS_485
|
|
#define McuUart485_CONFIG_USE_RS_485 (0)
|
|
/*!< by default, this module is disabled */
|
|
#endif
|
|
|
|
#if McuUart485_CONFIG_USE_RS_485
|
|
/* UART configuration items */
|
|
#if McuLib_CONFIG_CPU_IS_LPC && McuLib_CONFIG_CPU_VARIANT==McuLib_CONFIG_CPU_VARIANT_NXP_LPC845
|
|
#include "fsl_usart.h"
|
|
#define McuUart485_CONFIG_UART_DEVICE USART1
|
|
#define McuUart485_CONFIG_UART_SET_UART_CLOCK() CLOCK_Select(kUART1_Clk_From_MainClk) /* Select the main clock as source clock of USART0. */
|
|
#define McuUart485_CONFIG_UART_WRITE_BLOCKING USART_WriteBlocking
|
|
#define McuUart485_CONFIG_UART_GET_FLAGS USART_GetStatusFlags
|
|
#define McuUart485_CONFIG_UART_HW_RX_READY_FLAGS (kUSART_RxReady|kUSART_HardwareOverrunFlag)
|
|
#define McuUart485_CONFIG_UART_READ_BYTE USART_ReadByte
|
|
#define McuUart485_CONFIG_UART_CONFIG_STRUCT usart_config_t
|
|
#define McuUart485_CONFIG_UART_GET_DEFAULT_CONFIG USART_GetDefaultConfig
|
|
#define McuUart485_CONFIG_UART_ENABLE_INTERRUPTS USART_EnableInterrupts
|
|
#define McuUart485_CONFIG_UART_ENABLE_INTERRUPT_FLAGS (kUSART_RxReadyInterruptEnable | kUSART_HardwareOverRunInterruptEnable)
|
|
#define McuUart485_CONFIG_UART_IRQ_NUMBER USART1_IRQn
|
|
#define McuUart485_CONFIG_UART_INIT USART_Init
|
|
#define McuUart485_CONFIG_UART_GET_CLOCK_FREQ_SELECT kCLOCK_MainClk
|
|
#define McuUart485_CONFIG_UART_IRQ_HANDLER USART1_IRQHandler
|
|
#define McuUart485_CONFIG_CLEAR_STATUS_FLAGS USART_ClearStatusFlags
|
|
#elif McuLib_CONFIG_CPU_IS_KINETIS
|
|
|
|
#if McuLib_CONFIG_CPU_VARIANT==McuLib_CONFIG_CPU_VARIANT_NXP_K22FX
|
|
#include "fsl_uart.h"
|
|
#define McuUart485_CONFIG_UART_DEVICE UART0
|
|
#define McuUart485_CONFIG_UART_SET_UART_CLOCK() /* nothing needed */
|
|
#define McuUart485_CONFIG_UART_WRITE_BLOCKING UART_WriteBlocking
|
|
#define McuUart485_CONFIG_UART_GET_FLAGS UART_GetStatusFlags
|
|
#define McuUart485_CONFIG_UART_HW_RX_READY_FLAGS (kUART_RxDataRegFullFlag|kUART_RxOverrunFlag)
|
|
#define McuUart485_CONFIG_UART_READ_BYTE UART_ReadByte
|
|
#define McuUart485_CONFIG_UART_CONFIG_STRUCT uart_config_t
|
|
#define McuUart485_CONFIG_UART_GET_DEFAULT_CONFIG UART_GetDefaultConfig
|
|
#define McuUart485_CONFIG_UART_ENABLE_INTERRUPTS UART_EnableInterrupts
|
|
#define McuUart485_CONFIG_UART_ENABLE_INTERRUPT_FLAGS (kUART_RxDataRegFullInterruptEnable | kUART_RxOverrunInterruptEnable)
|
|
#define McuUart485_CONFIG_UART_IRQ_NUMBER UART0_RX_TX_IRQn
|
|
#define McuUart485_CONFIG_UART_INIT UART_Init
|
|
#define McuUart485_CONFIG_UART_GET_CLOCK_FREQ_SELECT kCLOCK_MainClk
|
|
#define McuUart485_CONFIG_UART_IRQ_HANDLER UART0_RX_TX_IRQHandler
|
|
#define McuUart485_CONFIG_CLEAR_STATUS_FLAGS UART_ClearStatusFlags
|
|
#elif McuLib_CONFIG_CPU_VARIANT==McuLib_CONFIG_CPU_VARIANT_NXP_K02FN
|
|
#include "fsl_uart.h"
|
|
#define McuUart485_CONFIG_UART_DEVICE UART1
|
|
#define McuUart485_CONFIG_UART_SET_UART_CLOCK() /* nothing needed */
|
|
#define McuUart485_CONFIG_UART_WRITE_BLOCKING UART_WriteBlocking
|
|
#define McuUart485_CONFIG_UART_GET_FLAGS UART_GetStatusFlags
|
|
#define McuUart485_CONFIG_UART_HW_RX_READY_FLAGS (kUART_RxDataRegFullFlag|kUART_RxOverrunFlag)
|
|
#define McuUart485_CONFIG_UART_READ_BYTE UART_ReadByte
|
|
#define McuUart485_CONFIG_UART_CONFIG_STRUCT uart_config_t
|
|
#define McuUart485_CONFIG_UART_GET_DEFAULT_CONFIG UART_GetDefaultConfig
|
|
#define McuUart485_CONFIG_UART_ENABLE_INTERRUPTS UART_EnableInterrupts
|
|
#define McuUart485_CONFIG_UART_ENABLE_INTERRUPT_FLAGS (kUART_RxDataRegFullInterruptEnable | kUART_RxOverrunInterruptEnable | kUART_RxFifoOverflowInterruptEnable)
|
|
#define McuUart485_CONFIG_UART_IRQ_NUMBER UART1_RX_TX_IRQn
|
|
#define McuUart485_CONFIG_UART_INIT UART_Init
|
|
#define McuUart485_CONFIG_UART_GET_CLOCK_FREQ_SELECT kCLOCK_McgFllClk
|
|
#define McuUart485_CONFIG_UART_IRQ_HANDLER UART1_RX_TX_IRQHandler
|
|
#define McuUart485_CONFIG_CLEAR_STATUS_FLAGS UART_ClearStatusFlags
|
|
#elif McuLib_CONFIG_CPU_VARIANT==McuLib_CONFIG_CPU_VARIANT_NXP_K22FN
|
|
#include "fsl_uart.h"
|
|
#define McuUart485_CONFIG_UART_DEVICE UART0
|
|
#define McuUart485_CONFIG_UART_SET_UART_CLOCK() /* nothing needed */
|
|
#define McuUart485_CONFIG_UART_WRITE_BLOCKING UART_WriteBlocking
|
|
#define McuUart485_CONFIG_UART_GET_FLAGS UART_GetStatusFlags
|
|
#define McuUart485_CONFIG_UART_HW_RX_READY_FLAGS (kUART_RxDataRegFullFlag|kUART_RxOverrunFlag)
|
|
#define McuUart485_CONFIG_UART_READ_BYTE UART_ReadByte
|
|
#define McuUart485_CONFIG_UART_CONFIG_STRUCT uart_config_t
|
|
#define McuUart485_CONFIG_UART_GET_DEFAULT_CONFIG UART_GetDefaultConfig
|
|
#define McuUart485_CONFIG_UART_ENABLE_INTERRUPTS UART_EnableInterrupts
|
|
#define McuUart485_CONFIG_UART_ENABLE_INTERRUPT_FLAGS (kUART_RxDataRegFullInterruptEnable | kUART_RxOverrunInterruptEnable | kUART_RxFifoOverflowInterruptEnable)
|
|
#define McuUart485_CONFIG_UART_IRQ_NUMBER UART0_RX_TX_IRQn
|
|
#define McuUart485_CONFIG_UART_INIT UART_Init
|
|
#define McuUart485_CONFIG_UART_GET_CLOCK_FREQ_SELECT kCLOCK_PllFllSelClk
|
|
#define McuUart485_CONFIG_UART_IRQ_HANDLER UART0_RX_TX_IRQHandler
|
|
#define McuUart485_CONFIG_CLEAR_STATUS_FLAGS UART_ClearStatusFlags
|
|
#endif
|
|
|
|
#elif McuLib_CONFIG_CPU_IS_ESP32
|
|
#include "driver/uart.h"
|
|
#define McuUart485_CONFIG_UART_DEVICE UART_NUM_2
|
|
#define McuUart485_CONFIG_TXD_PIN GPIO_NUM_4
|
|
#define McuUart485_CONFIG_RXD_PIN GPIO_NUM_5
|
|
#define McuUart485_CONFIG_RTS_PIN (GPIO_NUM_26) /* RTS for RS485 Half-Duplex Mode manages DE/~RE */
|
|
#define McuUart485_CONFIG_ECHO_TEST_CTS (UART_PIN_NO_CHANGE) /* CTS (~RE) is always on to detect collisions */
|
|
|
|
#else
|
|
/* you have to put your config here */
|
|
#endif
|
|
|
|
#if McuLib_CONFIG_CPU_IS_LPC && McuLib_CONFIG_CPU_VARIANT==McuLib_CONFIG_CPU_VARIANT_NXP_LPC845
|
|
#define McuUart485_CONFIG_HAS_FIFO (0) /* no FIFO support on LPC845 */
|
|
#elif McuLib_CONFIG_CPU_IS_KINETIS
|
|
#define McuUart485_CONFIG_HAS_FIFO (1) /* UART0 on Kinetis has FIFO */
|
|
#elif McuLib_CONFIG_CPU_IS_ESP32
|
|
#define McuUart485_CONFIG_HAS_FIFO (0) /* no FIFO support on ESP32 */
|
|
#endif
|
|
|
|
#ifndef McuUart485_CONFIG_UART_RX_QUEUE_LENGTH
|
|
#define McuUart485_CONFIG_UART_RX_QUEUE_LENGTH (3*1024)
|
|
/*!< Queue length to buffer incoming data and messages */
|
|
#endif
|
|
|
|
#ifndef McuUart485_CONFIG_UART_RESPONSE_QUEUE_LENGTH
|
|
#define McuUart485_CONFIG_UART_RESPONSE_QUEUE_LENGTH (96)
|
|
/*!< Queue length to check the OK from the other side */
|
|
#endif
|
|
|
|
#ifndef McuUart485_CONFIG_UART_BAUDRATE
|
|
#define McuUart485_CONFIG_UART_BAUDRATE 115200
|
|
#endif
|
|
|
|
#ifndef McuUart485_CONFIG_USE_HW_OE_RTS
|
|
#if McuLib_CONFIG_CPU_IS_KINETIS || (McuLib_CONFIG_CPU_IS_LPC && McuLib_CONFIG_CPU_VARIANT==McuLib_CONFIG_CPU_VARIANT_NXP_LPC845)
|
|
#define McuUart485_CONFIG_USE_HW_OE_RTS (1) /* 1: Use e.g. on LPC845 OESEL (Output Enable Selection) feature. Note that the pin has to be configured in the PinMuxing as RTS! */
|
|
#elif McuLib_CONFIG_CPU_IS_ESP32
|
|
#define McuUart485_CONFIG_USE_HW_OE_RTS (0)
|
|
#endif
|
|
#endif
|
|
|
|
#if !McuUart485_CONFIG_USE_HW_OE_RTS
|
|
/* RTS pin to enable Tx mode on transceiver (HIGH active) */
|
|
#if McuLib_CONFIG_CPU_IS_KINETIS /* default for Kinetis */
|
|
#ifndef McuUart485_CONFIG_TX_EN_GPIO
|
|
#define McuUart485_CONFIG_TX_EN_GPIO GPIOC
|
|
#endif
|
|
#ifndef McuUart485_CONFIG_TX_EN_PORT
|
|
#define McuUart485_CONFIG_TX_EN_PORT PORTC
|
|
#endif
|
|
#ifndef McuUart485_CONFIG_TX_EN_PIN
|
|
#define McuUart485_CONFIG_TX_EN_PIN 2U
|
|
#endif
|
|
#elif McuLib_CONFIG_CPU_IS_ESP32 /* default for ESP32 */
|
|
#ifndef McuUart485_CONFIG_RE_PIN
|
|
#define McuUart485_CONFIG_RE_PIN (GPIO_NUM_23) /* ~RE_ESP32 pin: IO23, RE (Receiver Enable) is low active */
|
|
#endif
|
|
#endif
|
|
#endif
|
|
#endif /* McuUart485_CONFIG_USE_RS_485 */
|
|
|
|
#endif /* MCUUART485CONFIG_H_ */
|
|
|