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/* --COPYRIGHT--,BSD_EX * Copyright (c) 2014, 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. * ******************************************************************************* * * MSP430 CODE EXAMPLE DISCLAIMER * * MSP430 code examples are self-contained low-level programs that typically * demonstrate a single peripheral function or device feature in a highly * concise manner. For this the code may rely on the device's power-on default * register values and settings such as the clock configuration and care must * be taken when combining code from several examples to avoid potential side * effects. Also see www.ti.com/grace for a GUI- and www.ti.com/msp430ware * for an API functional library-approach to peripheral configuration. * * --/COPYRIGHT--*/ //****************************************************************************** // MSP430FR413x Demo - eUSCI_A0 UART echo at 9600 baud using BRCLK = 8MHz // // 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 LPM3 // 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. // // The example code shows proper initialization of registers // and interrupts to receive and transmit data. // To test code in LPM3, disconnect the debugger. // // ACLK = REFO = 32768Hz, MCLK = DCODIV = SMCLK = 8MHz. // // MSP430FR4133 // ----------------- // /|\| | // | | | // --|RST | // | | // | | // | P1.0/UCA0TXD|----> PC (echo) // | P1.1/UCA0RXD|<---- PC // | | // // Darren Lu // Texas Instruments Inc. // June 2014 // Built with IAR Embedded Workbench v6.10 & Code Composer Studio v6.0 //******************************************************************************
__bis_SR_register(LPM3_bits|GIE); // Enter LPM3, interrupts enabled __no_operation(); // For debugger }
#if defined(__TI_COMPILER_VERSION__) || defined(__IAR_SYSTEMS_ICC__) #pragma vector=USCI_A0_VECTOR __interrupt void USCI_A0_ISR(void) #elif defined(__GNUC__) void __attribute__ ((interrupt(USCI_A0_VECTOR))) USCI_A0_ISR (void) #else #error Compiler not supported! #endif { switch(__even_in_range(UCA0IV,USCI_UART_UCTXCPTIFG)) { case USCI_NONE: break; case USCI_UART_UCRXIFG: while(!(UCA0IFG&UCTXIFG)); UCA0TXBUF = UCA0RXBUF; __no_operation(); break; case USCI_UART_UCTXIFG: break; case USCI_UART_UCSTTIFG: break; case USCI_UART_UCTXCPTIFG: break; default: break; } }
void Init_GPIO() { P1DIR = 0xFF; P2DIR = 0xFF; P3DIR = 0xFF; P4DIR = 0xFF; P5DIR = 0xFF; P6DIR = 0xFF; P7DIR = 0xFF; P8DIR = 0xFF; P1REN = 0xFF; P2REN = 0xFF; P3REN = 0xFF; P4REN = 0xFF; P5REN = 0xFF; P6REN = 0xFF; P7REN = 0xFF; P8REN = 0xFF; P1OUT = 0x00; P2OUT = 0x00; P3OUT = 0x00; P4OUT = 0x00; P5OUT = 0x00; P6OUT = 0x00; P7OUT = 0x00; P8OUT = 0x00; } /* --COPYRIGHT--,BSD_EX * Copyright (c) 2014, 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. * ******************************************************************************* * * MSP430 CODE EXAMPLE DISCLAIMER * * MSP430 code examples are self-contained low-level programs that typically * demonstrate a single peripheral function or device feature in a highly * concise manner. For this the code may rely on the device's power-on default * register values and settings such as the clock configuration and care must * be taken when combining code from several examples to avoid potential side * effects. Also see www.ti.com/grace for a GUI- and www.ti.com/msp430ware * for an API functional library-approach to peripheral configuration. * * --/COPYRIGHT--*/ //****************************************************************************** // MSP430FR413x Demo - eUSCI_A0 UART echo at 9600 baud using BRCLK = 8MHz // // 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 LPM3 // 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. // // The example code shows proper initialization of registers // and interrupts to receive and transmit data. // To test code in LPM3, disconnect the debugger. // // ACLK = REFO = 32768Hz, MCLK = DCODIV = SMCLK = 8MHz. // // MSP430FR4133 // ----------------- // /|\| | // | | | // --|RST | // | | // | | // | P1.0/UCA0TXD|----> PC (echo) // | P1.1/UCA0RXD|<---- PC // | | // // Darren Lu // Texas Instruments Inc. // June 2014 // Built with IAR Embedded Workbench v6.10 & Code Composer Studio v6.0 //******************************************************************************
