1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 /** 39 * various functions to deal with flaws and portability issues 40 */ 41 42 #include "hal_compat.h" 43 #include <msp430x54x.h> 44 45 // __delay_cycles is limited 46 void waitAboutOneSecond(void){ 47 int i; 48 for (i=0;i<1000;i++) __delay_cycles(16000); 49 } 50 51 // access far text for MSP430X platform 52 #if defined(__GNUC__) && (__MSP430X__ > 0) 53 54 uint8_t FlashReadByte (uint32_t addr){ 55 56 uint8_t result; 57 uint32_t register sr, flash; 58 59 __asm__ __volatile__ ( 60 "mov r2 , %1 \n" 61 "bic %3 , r2 \n" 62 "nop \n" 63 "movx.a %4 , %2 \n" 64 "movx.b @%2, %0 \n" 65 "mov %1 , r2 \n" 66 :"=X"(result),"=r"(sr),"=r"(flash) 67 :"i"(GIE),"m"(addr)); 68 69 return result; 70 } 71 72 // argument order matches memcpy 73 void FlashReadBlock(uint8_t *buffer, uint32_t addr, uint16_t len){ 74 while (len){ 75 *buffer++ = FlashReadByte(addr++); 76 len--; 77 } 78 } 79 80 #endif 81