forked from xuos/xiuos
Adjust directory structure
This commit is contained in:
Zhao_Jiasheng
@@ -0,0 +1,29 @@
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config BSP_USING_LPUART1
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bool "Enable LPUART1"
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default y
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if BSP_USING_LPUART1
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config SERIAL_BUS_NAME_1
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string "serial bus 1 name"
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default "uart1"
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config SERIAL_DRV_NAME_1
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string "serial bus 1 driver name"
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default "uart1_drv"
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config SERIAL_1_DEVICE_NAME_0
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string "serial bus 1 device name"
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default "uart1_dev1"
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endif
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config BSP_USING_LPUART2
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bool "Enable LPUART2"
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default y
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if BSP_USING_LPUART2
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config SERIAL_BUS_NAME_2
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string "serial bus 2 name"
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default "uart2"
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config SERIAL_DRV_NAME_2
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string "serial bus 2 driver name"
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default "uart2_drv"
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config SERIAL_2_DEVICE_NAME_0
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string "serial bus 2 device name"
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default "uart2_dev2"
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endif
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@@ -0,0 +1,3 @@
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SRC_FILES := connect_uart.c
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include $(KERNEL_ROOT)/compiler.mk
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@@ -0,0 +1,409 @@
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/*
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* Copyright 2018 NXP
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* All rights reserved.
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*
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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/**
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* @file connect_uart.c
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* @brief support imxrt1052-board uart function and register to bus framework
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* @version 1.0
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* @author AIIT XUOS Lab
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* @date 2021-05-28
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*/
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/*************************************************
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File name: connect_uart.c
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Description: support imxrt1052-board uart configure and uart bus register function
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Others: take SDK_2.6.1_MIMXRT1052xxxxB/components/uart/lpuart_adapter.c for references
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History:
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1. Date: 2021-05-28
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Author: AIIT XUOS Lab
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Modification:
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1. support imxrt1052-board uart configure, write and read
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2. support imxrt1052-board uart bus device and driver register
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*************************************************/
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#include <board.h>
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#include <connect_uart.h>
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#include <fsl_lpuart.h>
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static void UartIsr(struct SerialBus *serial, struct SerialDriver *serial_drv, struct SerialHardwareDevice *serial_dev);
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#ifdef BSP_USING_LPUART1
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struct SerialBus serial_bus_1;
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struct SerialDriver serial_driver_1;
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struct SerialHardwareDevice serial_device_1;
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void LPUART1_IRQHandler(int irqn, void *arg)
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{
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x_base lock = 0;
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// KPrintf("LPUART1_IRQHandler \n");
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lock = DISABLE_INTERRUPT();
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UartIsr(&serial_bus_1, &serial_driver_1, &serial_device_1);
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ENABLE_INTERRUPT(lock);
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}
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DECLARE_HW_IRQ(UART1_IRQn, LPUART1_IRQHandler, NONE);
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#endif
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#ifdef BSP_USING_LPUART2
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struct SerialBus serial_bus_2;
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struct SerialDriver serial_driver_2;
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struct SerialHardwareDevice serial_device_2;
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void LPUART2_IRQHandler(int irqn, void *arg)
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{
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x_base lock = 0;
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lock = DISABLE_INTERRUPT();
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UartIsr(&serial_bus_2, &serial_driver_2, &serial_device_2);
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ENABLE_INTERRUPT(lock);
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}
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DECLARE_HW_IRQ(UART2_IRQn, LPUART2_IRQHandler, NONE);
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#endif
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static void SerialCfgParamCheck(struct SerialCfgParam *serial_cfg_default, struct SerialCfgParam *serial_cfg_new)
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{
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struct SerialDataCfg *data_cfg_default = &serial_cfg_default->data_cfg;
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struct SerialDataCfg *data_cfg_new = &serial_cfg_new->data_cfg;
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if ((data_cfg_default->serial_baud_rate != data_cfg_new->serial_baud_rate) && (data_cfg_new->serial_baud_rate)) {
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data_cfg_default->serial_baud_rate = data_cfg_new->serial_baud_rate;
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}
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if ((data_cfg_default->serial_bit_order != data_cfg_new->serial_bit_order) && (data_cfg_new->serial_bit_order)) {
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data_cfg_default->serial_bit_order = data_cfg_new->serial_bit_order;
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}
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if ((data_cfg_default->serial_buffer_size != data_cfg_new->serial_buffer_size) && (data_cfg_new->serial_buffer_size)) {
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data_cfg_default->serial_buffer_size = data_cfg_new->serial_buffer_size;
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}
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if ((data_cfg_default->serial_data_bits != data_cfg_new->serial_data_bits) && (data_cfg_new->serial_data_bits)) {
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data_cfg_default->serial_data_bits = data_cfg_new->serial_data_bits;
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}
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if ((data_cfg_default->serial_invert_mode != data_cfg_new->serial_invert_mode) && (data_cfg_new->serial_invert_mode)) {
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data_cfg_default->serial_invert_mode = data_cfg_new->serial_invert_mode;
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}
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if ((data_cfg_default->serial_parity_mode != data_cfg_new->serial_parity_mode) && (data_cfg_new->serial_parity_mode)) {
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data_cfg_default->serial_parity_mode = data_cfg_new->serial_parity_mode;
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}
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if ((data_cfg_default->serial_stop_bits != data_cfg_new->serial_stop_bits) && (data_cfg_new->serial_stop_bits)) {
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data_cfg_default->serial_stop_bits = data_cfg_new->serial_stop_bits;
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}
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}
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static void UartIsr(struct SerialBus *serial, struct SerialDriver *serial_drv, struct SerialHardwareDevice *serial_dev)
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{
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struct SerialCfgParam *serial_cfg = (struct SerialCfgParam *)serial_drv->private_data;
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LPUART_Type *uart_base = (LPUART_Type *)serial_cfg->hw_cfg.private_data;
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/* kLPUART_RxDataRegFullFlag can only cleared or set by hardware */
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if (LPUART_GetStatusFlags(uart_base) & kLPUART_RxDataRegFullFlag) {
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SerialSetIsr(serial_dev, SERIAL_EVENT_RX_IND);
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}
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if (LPUART_GetStatusFlags(uart_base) & kLPUART_RxOverrunFlag) {
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/* Clear overrun flag, otherwise the RX does not work. */
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LPUART_ClearStatusFlags(uart_base, kLPUART_RxOverrunFlag);
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}
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}
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static uint32 GetUartSrcFreq(void)
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{
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uint32 freq;
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/* To make it simple, we assume default PLL and divider settings, and the only variable
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from application is use PLL3 source or OSC source */
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if (CLOCK_GetMux(kCLOCK_UartMux) == 0) /* PLL3 div6 80M */ {
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freq = (CLOCK_GetPllFreq(kCLOCK_PllUsb1) / 6U) / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
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} else {
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freq = CLOCK_GetOscFreq() / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
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}
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return freq;
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}
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static uint32 SerialInit(struct SerialDriver *serial_drv, struct BusConfigureInfo *configure_info)
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{
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NULL_PARAM_CHECK(serial_drv);
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struct SerialCfgParam *serial_cfg = (struct SerialCfgParam *)serial_drv->private_data;
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LPUART_Type *uart_base = (LPUART_Type *)serial_cfg->hw_cfg.private_data;
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if (configure_info->private_data) {
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struct SerialCfgParam *serial_cfg_new = (struct SerialCfgParam *)configure_info->private_data;
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SerialCfgParamCheck(serial_cfg, serial_cfg_new);
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}
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lpuart_config_t config;
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LPUART_GetDefaultConfig(&config);
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config.baudRate_Bps = serial_cfg->data_cfg.serial_baud_rate;
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switch (serial_cfg->data_cfg.serial_data_bits)
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{
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case DATA_BITS_7:
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config.dataBitsCount = kLPUART_SevenDataBits;
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break;
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default:
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config.dataBitsCount = kLPUART_EightDataBits;
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break;
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}
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switch (serial_cfg->data_cfg.serial_stop_bits)
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{
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case STOP_BITS_2:
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config.stopBitCount = kLPUART_TwoStopBit;
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break;
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default:
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config.stopBitCount = kLPUART_OneStopBit;
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break;
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}
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switch (serial_cfg->data_cfg.serial_parity_mode)
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{
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case PARITY_ODD:
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config.parityMode = kLPUART_ParityOdd;
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break;
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case PARITY_EVEN:
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config.parityMode = kLPUART_ParityEven;
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break;
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default:
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config.parityMode = kLPUART_ParityDisabled;
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break;
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}
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config.enableTx = true;
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config.enableRx = true;
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LPUART_Init(uart_base, &config, GetUartSrcFreq());
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return EOK;
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}
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static uint32 SerialConfigure(struct SerialDriver *serial_drv, int serial_operation_cmd)
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{
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NULL_PARAM_CHECK(serial_drv);
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struct SerialCfgParam *serial_cfg = (struct SerialCfgParam *)serial_drv->private_data;
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LPUART_Type *uart_base = (LPUART_Type *)serial_cfg->hw_cfg.private_data;
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switch (serial_operation_cmd)
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{
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case OPER_CLR_INT:
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DisableIRQ(serial_cfg->hw_cfg.serial_irq_interrupt);
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break;
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case OPER_SET_INT:
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LPUART_EnableInterrupts(uart_base, kLPUART_RxDataRegFullInterruptEnable);
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NVIC_SetPriority(serial_cfg->hw_cfg.serial_irq_interrupt, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 4, 0));
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EnableIRQ(serial_cfg->hw_cfg.serial_irq_interrupt);
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break;
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}
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return EOK;
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}
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static int SerialPutChar(struct SerialHardwareDevice *serial_dev, char c)
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{
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struct SerialCfgParam *serial_cfg = (struct SerialCfgParam *)serial_dev->private_data;
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LPUART_Type *uart_base = (LPUART_Type *)serial_cfg->hw_cfg.private_data;
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LPUART_WriteByte(uart_base, c);
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while (!(LPUART_GetStatusFlags(uart_base) & kLPUART_TxDataRegEmptyFlag));
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return 1;
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}
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static int SerialGetChar(struct SerialHardwareDevice *serial_dev)
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{
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struct SerialCfgParam *serial_cfg = (struct SerialCfgParam *)serial_dev->private_data;
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LPUART_Type *uart_base = (LPUART_Type *)serial_cfg->hw_cfg.private_data;
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int c = -1;
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if (LPUART_GetStatusFlags(uart_base) & kLPUART_RxDataRegFullFlag) {
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c = LPUART_ReadByte(uart_base);
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}
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return c;
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}
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static uint32 SerialDrvConfigure(void *drv, struct BusConfigureInfo *configure_info)
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{
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NULL_PARAM_CHECK(drv);
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NULL_PARAM_CHECK(configure_info);
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x_err_t ret = EOK;
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int serial_operation_cmd;
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struct SerialDriver *serial_drv = (struct SerialDriver *)drv;
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switch (configure_info->configure_cmd)
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{
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case OPE_INT:
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ret = SerialInit(serial_drv, configure_info);
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break;
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case OPE_CFG:
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serial_operation_cmd = *(int *)configure_info->private_data;
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ret = SerialConfigure(serial_drv, serial_operation_cmd);
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break;
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default:
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break;
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}
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return ret;
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}
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static const struct SerialDataCfg data_cfg_init =
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{
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.serial_baud_rate = BAUD_RATE_115200,
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.serial_data_bits = DATA_BITS_8,
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.serial_stop_bits = STOP_BITS_1,
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.serial_parity_mode = PARITY_NONE,
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.serial_bit_order = BIT_ORDER_LSB,
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.serial_invert_mode = NRZ_NORMAL,
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.serial_buffer_size = SERIAL_RB_BUFSZ,
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};
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/*manage the serial device operations*/
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static const struct SerialDrvDone drv_done =
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{
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.init = SerialInit,
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.configure = SerialConfigure,
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};
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/*manage the serial device hal operations*/
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static struct SerialHwDevDone hwdev_done =
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{
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.put_char = SerialPutChar,
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.get_char = SerialGetChar,
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};
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static int BoardSerialBusInit(struct SerialBus *serial_bus, struct SerialDriver *serial_driver, const char *bus_name, const char *drv_name)
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{
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x_err_t ret = EOK;
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/*Init the serial bus */
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ret = SerialBusInit(serial_bus, bus_name);
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if (EOK != ret) {
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KPrintf("Imrt1052HwUartInit SerialBusInit error %d\n", ret);
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return ERROR;
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}
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/*Init the serial driver*/
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ret = SerialDriverInit(serial_driver, drv_name);
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if (EOK != ret) {
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KPrintf("Imrt1052HwUartInit SerialDriverInit error %d\n", ret);
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return ERROR;
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}
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/*Attach the serial driver to the serial bus*/
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ret = SerialDriverAttachToBus(drv_name, bus_name);
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if (EOK != ret) {
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KPrintf("Imrt1052HwUartInit SerialDriverAttachToBus error %d\n", ret);
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return ERROR;
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}
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return ret;
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}
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/*Attach the serial device to the serial bus*/
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static int BoardSerialDevBend(struct SerialHardwareDevice *serial_device, void *serial_param, const char *bus_name, const char *dev_name)
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{
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x_err_t ret = EOK;
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ret = SerialDeviceRegister(serial_device, serial_param, dev_name);
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if (EOK != ret) {
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KPrintf("Imrt1052HwUartInit SerialDeviceInit device %s error %d\n", dev_name, ret);
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return ERROR;
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}
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ret = SerialDeviceAttachToBus(dev_name, bus_name);
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if (EOK != ret) {
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KPrintf("Imrt1052HwUartInit SerialDeviceAttachToBus device %s error %d\n", dev_name, ret);
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return ERROR;
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}
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return ret;
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}
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int Imrt1052HwUartInit(void)
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{
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x_err_t ret = EOK;
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#ifdef BSP_USING_LPUART1
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static struct SerialCfgParam serial_cfg_1;
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memset(&serial_cfg_1, 0, sizeof(struct SerialCfgParam));
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static struct SerialDevParam serial_dev_param_1;
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memset(&serial_dev_param_1, 0, sizeof(struct SerialDevParam));
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serial_driver_1.drv_done = &drv_done;
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serial_driver_1.configure = &SerialDrvConfigure;
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serial_device_1.hwdev_done = &hwdev_done;
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serial_cfg_1.data_cfg = data_cfg_init;
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serial_cfg_1.hw_cfg.private_data = (void *)LPUART1;
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serial_cfg_1.hw_cfg.serial_irq_interrupt = LPUART1_IRQn;
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serial_driver_1.private_data = (void *)&serial_cfg_1;
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serial_dev_param_1.serial_work_mode = SIGN_OPER_INT_RX;
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serial_device_1.haldev.private_data = (void *)&serial_dev_param_1;
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ret = BoardSerialBusInit(&serial_bus_1, &serial_driver_1, SERIAL_BUS_NAME_1, SERIAL_DRV_NAME_1);
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if (EOK != ret) {
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KPrintf("Imrt1052HwUartInit uart error ret %u\n", ret);
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return ERROR;
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}
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ret = BoardSerialDevBend(&serial_device_1, (void *)&serial_cfg_1, SERIAL_BUS_NAME_1, SERIAL_1_DEVICE_NAME_0);
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if (EOK != ret) {
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KPrintf("Imrt1052HwUartInit uart error ret %u\n", ret);
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return ERROR;
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}
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#endif
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#ifdef BSP_USING_LPUART2
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static struct SerialCfgParam serial_cfg_2;
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memset(&serial_cfg_2, 0, sizeof(struct SerialCfgParam));
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static struct SerialDevParam serial_dev_param_2;
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memset(&serial_dev_param_2, 0, sizeof(struct SerialDevParam));
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serial_driver_2.drv_done = &drv_done;
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serial_driver_2.configure = &SerialDrvConfigure;
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serial_device_2.hwdev_done = &hwdev_done;
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serial_cfg_2.data_cfg = data_cfg_init;
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serial_cfg_2.hw_cfg.private_data = (void *)LPUART2;
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serial_cfg_2.hw_cfg.serial_irq_interrupt = LPUART2_IRQn;
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serial_driver_2.private_data = (void *)&serial_cfg_2;
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serial_dev_param_2.serial_work_mode = SIGN_OPER_INT_RX;
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serial_device_2.haldev.private_data = (void *)&serial_dev_param_2;
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ret = BoardSerialBusInit(&serial_bus_2, &serial_driver_2, SERIAL_BUS_NAME_2, SERIAL_DRV_NAME_2);
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if (EOK != ret) {
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KPrintf("Imrt1052HwUartInit uart error ret %u\n", ret);
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return ERROR;
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}
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ret = BoardSerialDevBend(&serial_device_2, (void *)&serial_cfg_2, SERIAL_BUS_NAME_2, SERIAL_2_DEVICE_NAME_0);
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if (EOK != ret) {
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KPrintf("Imrt1052HwUartInit uart error ret %u\n", ret);
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return ERROR;
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}
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#endif
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return ret;
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}
|
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Reference in New Issue
Block a user