00001 /* 00002 * "Copyright (c) 2008 Robert B. Reese, Bryan A. Jones, J. W. Bruce ("AUTHORS")" 00003 * All rights reserved. 00004 * (R. Reese, reese_AT_ece.msstate.edu, Mississippi State University) 00005 * (B. A. Jones, bjones_AT_ece.msstate.edu, Mississippi State University) 00006 * (J. W. Bruce, jwbruce_AT_ece.msstate.edu, Mississippi State University) 00007 * 00008 * Permission to use, copy, modify, and distribute this software and its 00009 * documentation for any purpose, without fee, and without written agreement is 00010 * hereby granted, provided that the above copyright notice, the following 00011 * two paragraphs and the authors appear in all copies of this software. 00012 * 00013 * IN NO EVENT SHALL THE "AUTHORS" BE LIABLE TO ANY PARTY FOR 00014 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT 00015 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE "AUTHORS" 00016 * HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00017 * 00018 * THE "AUTHORS" SPECIFICALLY DISCLAIMS ANY WARRANTIES, 00019 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 00020 * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 00021 * ON AN "AS IS" BASIS, AND THE "AUTHORS" HAS NO OBLIGATION TO 00022 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS." 00023 * 00024 * Please maintain this header in its entirety when copying/modifying 00025 * these files. 00026 * 00027 * 00028 */ 00029 00030 #include "pic24_all.h" 00031 00032 // Only include if this UART exists. 00033 #if (NUM_SPI_MODS >= 1) 00034 00035 // Documentation for this file. If the \file tag is not present, 00036 // this file will not be documented. 00037 // Note: place this comment below the #if NUM_I2C_MODS so Doxygen 00038 // will only see it once. 00047 //SPI Receive Overflow freezes the SPI module 00048 void checkRxErrorSPI1() { 00049 if (SPI1STATbits.SPIROV) { 00050 //clear the error 00051 SPI1STATbits.SPIROV = 0; 00052 reportError("SPI1 Receive Overflow\n"); 00053 } 00054 } 00055 00066 uint16 ioMasterSPI1(uint16 u16_c) { 00067 checkRxErrorSPI1(); 00068 _SPI1IF = 0; //clear interrupt flag since we are about to write new value 00069 SPI1BUF = u16_c; 00070 while (!_SPI1IF) { //wait for operation to complete 00071 doHeartbeat(); 00072 }; 00073 return(SPI1BUF); 00074 } 00075 00076 #endif // #if (NUM_SPI_MODS >= 1) 00077 00078 00079 00080 00081 00082 00083 00084 00085 00086 /* 00087 * "Copyright (c) 2008 Robert B. Reese, Bryan A. Jones, J. W. Bruce ("AUTHORS")" 00088 * All rights reserved. 00089 * (R. Reese, reese_AT_ece.msstate.edu, Mississippi State University) 00090 * (B. A. Jones, bjones_AT_ece.msstate.edu, Mississippi State University) 00091 * (J. W. Bruce, jwbruce_AT_ece.msstate.edu, Mississippi State University) 00092 * 00093 * Permission to use, copy, modify, and distribute this software and its 00094 * documentation for any purpose, without fee, and without written agreement is 00095 * hereby granted, provided that the above copyright notice, the following 00096 * two paragraphs and the authors appear in all copies of this software. 00097 * 00098 * IN NO EVENT SHALL THE "AUTHORS" BE LIABLE TO ANY PARTY FOR 00099 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT 00100 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE "AUTHORS" 00101 * HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00102 * 00103 * THE "AUTHORS" SPECIFICALLY DISCLAIMS ANY WARRANTIES, 00104 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 00105 * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 00106 * ON AN "AS IS" BASIS, AND THE "AUTHORS" HAS NO OBLIGATION TO 00107 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS." 00108 * 00109 * Please maintain this header in its entirety when copying/modifying 00110 * these files. 00111 * 00112 * 00113 */ 00114 00115 #include "pic24_all.h" 00116 00117 // Only include if this UART exists. 00118 #if (NUM_SPI_MODS >= 2) 00119 00120 // Documentation for this file. If the \file tag is not present, 00121 // this file will not be documented. 00122 // Note: place this comment below the #if NUM_I2C_MODS so Doxygen 00123 // will only see it once. 00132 //SPI Receive Overflow freezes the SPI module 00133 void checkRxErrorSPI2() { 00134 if (SPI2STATbits.SPIROV) { 00135 //clear the error 00136 SPI2STATbits.SPIROV = 0; 00137 reportError("SPI2 Receive Overflow\n"); 00138 } 00139 } 00140 00151 uint16 ioMasterSPI2(uint16 u16_c) { 00152 checkRxErrorSPI2(); 00153 _SPI2IF = 0; //clear interrupt flag since we are about to write new value 00154 SPI2BUF = u16_c; 00155 while (!_SPI2IF) { //wait for operation to complete 00156 doHeartbeat(); 00157 }; 00158 return(SPI2BUF); 00159 } 00160 00161 #endif // #if (NUM_SPI_MODS >= 2) 00162 00163 00164 00165 00166 00167 00168 00169 00170
1.5.8