工程师你们好，在使用 tidrivers中的串口部分的时候，我发现无法实现串口的部分接收功能，之前我试过在CC1310上是可以实现的，使用UART_control的时候发现没有一个命令是能够使用的，均返回UART_STATUS_UNDEFINEDCMD，如果是我配置有问题能否给出一个使用事例？不然只能通过定义协议来完成串口通讯就太鸡肋了吧
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工程师你们好，在使用 tidrivers中的串口部分的时候，我发现无法实现串口的部分接收功能，之前我试过在CC1310上是可以实现的，使用UART_control的时候发现没有一个命令是能够使用的，均返回UART_STATUS_UNDEFINEDCMD，如果是我配置有问题能否给出一个使用事例？不然只能通过定义协议来完成串口通讯就太鸡肋了吧
http://www.ti.com.cn/tool/cn/mspdriverlib?keyMatch=msp432driverlib&tisearch=Search-CN-Everything
是用的这个里面的库？
给你提供一下这个库里的参考例子
/* * ------------------------------------------- * MSP432 DriverLib - v3_21_00_05 * ------------------------------------------- * * --COPYRIGHT--,BSD,BSD * Copyright (c) 2016, Texas Instruments Incorporated * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * * Neither the name of Texas Instruments Incorporated nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * --/COPYRIGHT--*/ /****************************************************************************** * MSP432 UART - Loopback with 24MHz DCO BRCLK * * Description: This demo connects TX to RX of the MSP432 UART * The example code shows proper initialization of registers * and interrupts to receive and transmit data. If data is incorrect P1.0 LED * is turned ON. * * MCLK = HSMCLK = SMCLK = DCO of 24MHz * * MSP432P401 * ----------------- * | | * RST -| P1.3/UCA0TXD|----| * | | | * -| | | * | P1.2/UCA0RXD|----| * | | * | P1.0|---> LED * | | * * Author: Timothy Logan *******************************************************************************/ /* DriverLib Includes */ #include "driverlib.h" /* Standard Includes */ #include <stdint.h> #include <stdbool.h> volatile uint8_t TXData = 1; volatile uint8_t RXData = 0; /* UART Configuration Parameter. These are the configuration parameters to * make the eUSCI A UART module to operate with a 115200 baud rate. These * values were calculated using the online calculator that TI provides * at: * software-dl.ti.com/.../index.html */ const eUSCI_UART_Config uartConfig = { EUSCI_A_UART_CLOCKSOURCE_SMCLK, // SMCLK Clock Source 13, // BRDIV = 13 0, // UCxBRF = 0 37, // UCxBRS = 37 EUSCI_A_UART_NO_PARITY, // No Parity EUSCI_A_UART_MSB_FIRST, // MSB First EUSCI_A_UART_ONE_STOP_BIT, // One stop bit EUSCI_A_UART_MODE, // UART mode EUSCI_A_UART_OVERSAMPLING_BAUDRATE_GENERATION // Oversampling }; int main(void) { /* Halting WDT */ MAP_WDT_A_holdTimer(); /* Selecting P1.2 and P1.3 in UART mode and P1.0 as output (LED) */ MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P1, GPIO_PIN2 | GPIO_PIN3, GPIO_PRIMARY_MODULE_FUNCTION); MAP_GPIO_setAsOutputPin(GPIO_PORT_P1, GPIO_PIN0); MAP_GPIO_setOutputLowOnPin(GPIO_PORT_P1, GPIO_PIN0); /* Setting DCO to 24MHz (upping Vcore) */ FlashCtl_setWaitState(FLASH_BANK0, 2); FlashCtl_setWaitState(FLASH_BANK1, 2); MAP_PCM_setCoreVoltageLevel(PCM_VCORE1); CS_setDCOCenteredFrequency(CS_DCO_FREQUENCY_24); /* Configuring UART Module */ MAP_UART_initModule(EUSCI_A0_BASE, &uartConfig); /* Enable UART module */ MAP_UART_enableModule(EUSCI_A0_BASE); /* Enabling interrupts */ MAP_UART_enableInterrupt(EUSCI_A0_BASE, EUSCI_A_UART_RECEIVE_INTERRUPT); MAP_Interrupt_enableInterrupt(INT_EUSCIA0); MAP_Interrupt_enableSleepOnIsrExit(); while(1) { MAP_UART_transmitData(EUSCI_A0_BASE, TXData); MAP_Interrupt_enableSleepOnIsrExit(); MAP_PCM_gotoLPM0InterruptSafe(); } } /* EUSCI A0 UART ISR - Echos data back to PC host */ void EUSCIA0_IRQHandler(void) { uint32_t status = MAP_UART_getEnabledInterruptStatus(EUSCI_A0_BASE); MAP_UART_clearInterruptFlag(EUSCI_A0_BASE, status); if(status & EUSCI_A_UART_RECEIVE_INTERRUPT_FLAG) { RXData = MAP_UART_receiveData(EUSCI_A0_BASE); if(RXData != TXData) // Check value { MAP_GPIO_setOutputHighOnPin(GPIO_PORT_P1, GPIO_PIN0); while(1); // Trap CPU } TXData++; MAP_Interrupt_disableSleepOnIsrExit(); } }
/* * ------------------------------------------- * MSP432 DriverLib - v3_21_00_05 * ------------------------------------------- * * --COPYRIGHT--,BSD,BSD * Copyright (c) 2016, Texas Instruments Incorporated * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * * Neither the name of Texas Instruments Incorporated nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * --/COPYRIGHT--*/ /****************************************************************************** * MSP432 UART - PC Echo with 12MHz BRCLK * * Description: This demo echoes back characters received via a PC serial port. * SMCLK/DCO is used as a clock source and the device is put in LPM0 * The auto-clock enable feature is used by the eUSCI and SMCLK is turned off * when the UART is idle and turned on when a receive edge is detected. * Note that level shifter hardware is needed to shift between RS232 and MSP * voltage levels. * * MSP432P401 * ----------------- * | | * | | * | | * RST -| P1.3/UCA0TXD|----> PC (echo) * | | * | | * | P1.2/UCA0RXD|<---- PC * | | * * Author: Timothy Logan *******************************************************************************/ /* DriverLib Includes */ #include "driverlib.h" /* Standard Includes */ #include <stdint.h> #include <stdbool.h> /* UART Configuration Parameter. These are the configuration parameters to * make the eUSCI A UART module to operate with a 9600 baud rate. These * values were calculated using the online calculator that TI provides * at: *software-dl.ti.com/.../index.html */ const eUSCI_UART_Config uartConfig = { EUSCI_A_UART_CLOCKSOURCE_SMCLK, // SMCLK Clock Source 78, // BRDIV = 78 2, // UCxBRF = 2 0, // UCxBRS = 0 EUSCI_A_UART_NO_PARITY, // No Parity EUSCI_A_UART_LSB_FIRST, // LSB First EUSCI_A_UART_ONE_STOP_BIT, // One stop bit EUSCI_A_UART_MODE, // UART mode EUSCI_A_UART_OVERSAMPLING_BAUDRATE_GENERATION // Oversampling }; int main(void) { /* Halting WDT */ MAP_WDT_A_holdTimer(); /* Selecting P1.2 and P1.3 in UART mode */ MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P1, GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3, GPIO_PRIMARY_MODULE_FUNCTION); /* Setting DCO to 12MHz */ CS_setDCOCenteredFrequency(CS_DCO_FREQUENCY_12); /* Configuring UART Module */ MAP_UART_initModule(EUSCI_A0_BASE, &uartConfig); /* Enable UART module */ MAP_UART_enableModule(EUSCI_A0_BASE); /* Enabling interrupts */ MAP_UART_enableInterrupt(EUSCI_A0_BASE, EUSCI_A_UART_RECEIVE_INTERRUPT); MAP_Interrupt_enableInterrupt(INT_EUSCIA0); MAP_Interrupt_enableSleepOnIsrExit(); MAP_Interrupt_enableMaster(); while(1) { MAP_PCM_gotoLPM0(); } } /* EUSCI A0 UART ISR - Echoes data back to PC host */ void EUSCIA0_IRQHandler(void) { uint32_t status = MAP_UART_getEnabledInterruptStatus(EUSCI_A0_BASE); MAP_UART_clearInterruptFlag(EUSCI_A0_BASE, status); if(status & EUSCI_A_UART_RECEIVE_INTERRUPT_FLAG) { MAP_UART_transmitData(EUSCI_A0_BASE, MAP_UART_receiveData(EUSCI_A0_BASE)); } }
