Style changes.
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nvt-se
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0412975efd
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a6af72d129
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@ -57,62 +57,65 @@ Berlin, 2007
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#include <msp430/flash.h>
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#include "infomem.h"
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void infomem_read(void* buffer, unsigned int offset, unsigned char size) {
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UINT8* address = (UINT8*)INFOMEM_START + offset;
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memcpy(buffer, address, size);
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void
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infomem_read(void *buffer, unsigned int offset, unsigned char size)
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{
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UINT8 *address = (UINT8 *) INFOMEM_START + offset;
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memcpy(buffer, address, size);
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}
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bool infomem_write(unsigned int offset, unsigned char count, ...) {
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char backup[INFOMEM_BLOCK_SIZE];
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register UINT8* buffer;
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register UINT16 i;
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UINT8* flash;
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bool
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infomem_write(unsigned int offset, unsigned char count, ...)
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{
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char backup[INFOMEM_BLOCK_SIZE];
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UINT8 *buffer;
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UINT16 i;
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UINT8 *flash;
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va_list argp;
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UINT16 size;
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UINT8 *data;
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if( offset > ( 2 * INFOMEM_BLOCK_SIZE) )
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return false;
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if (offset > (2 * INFOMEM_BLOCK_SIZE))
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return false;
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flash = (UINT8*)INFOMEM_START + offset;
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flash = (UINT8 *) INFOMEM_START + offset;
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_DINT();
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_DINT();
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// backup into RAM
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memcpy(backup, flash, INFOMEM_BLOCK_SIZE);
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// backup into RAM
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memcpy(backup, flash, INFOMEM_BLOCK_SIZE);
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// merge backup with new data
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va_list argp;
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va_start(argp, count);
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// merge backup with new data
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va_start(argp, count);
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buffer = (UINT8*)backup;
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for( i = 0; i < count; i++ ) {
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register UINT16 size;
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register UINT8* data;
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buffer = (UINT8 *) backup;
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for (i = 0; i < count; i++) {
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data = va_arg(argp, UINT8*);
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size = va_arg(argp, UINT16);
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memcpy(buffer, data, size);
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buffer += size;
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}
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data = va_arg(argp, UINT8*);
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size = va_arg(argp, UINT16);
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memcpy(buffer, data, size);
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buffer += size;
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}
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va_end(argp);
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va_end(argp);
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// init flash access
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FCTL2 = FWKEY + FSSEL1 + FN2;
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FCTL3 = FWKEY;
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// init flash access
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FCTL2 = FWKEY + FSSEL1 + FN2;
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FCTL3 = FWKEY;
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// erase flash
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FCTL1 = FWKEY + ERASE;
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*flash = 0;
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// erase flash
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FCTL1 = FWKEY + ERASE;
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*flash = 0;
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// write flash
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FCTL1 = FWKEY + WRT;
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buffer = (UINT8*)backup;
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for( i = 0; i < INFOMEM_BLOCK_SIZE; i++ ) {
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*flash = *buffer;
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buffer++; flash++;
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}
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FCTL1 = FWKEY;
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FCTL3 = FWKEY + LOCK;
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// write flash
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FCTL1 = FWKEY + WRT;
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buffer = (UINT8 *) backup;
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for (i = 0; i < INFOMEM_BLOCK_SIZE; i++) {
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*flash++ = *buffer++;
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}
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_EINT();
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return true;
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FCTL1 = FWKEY;
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FCTL3 = FWKEY + LOCK;
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_EINT();
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return true;
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}
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@ -42,21 +42,17 @@ Berlin, 2006
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/**
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* @file infomem.h
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* @addtogroup storage
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* @addtogroup storage
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* @brief MSP430 Infomemory Storage
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*
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* @author Michael Baar <baar@inf.fu-berlin.de>
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* @author Michael Baar <baar@inf.fu-berlin.de>
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*/
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#ifndef INFOMEM_H_
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#define INFOMEM_H_
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#ifndef INFOMEM_H
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#define INFOMEM_H
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/* These defines might depend on the specific CPU used and have to be defined in platform:
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#define INFOMEM_START 0x1000
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#define INFOMEM_BLOCK_SIZE 128
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*/
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#if !defined(INFOMEM_START) || !defined(INFOMEM_BLOCK_SIZE)
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#error "Infomemory position (INFOMEM_START) and blocksize (INFOMEM_BLOCK_SIZE) need to be defined for current platform"
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#error "infomem position (INFOMEM_START) and block size (INFOMEM_BLOCK_SIZE) need to be defined for the platform"
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#endif
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/**
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@ -65,21 +61,22 @@ Berlin, 2006
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* @param[in] offset Offset in infomemory (0-254)
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* @param[in] size Number of bytes to read
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*/
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void infomem_read(void* buffer, unsigned int offset, unsigned char size);
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void infomem_read(void *buffer, unsigned int offset, unsigned char size);
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/**
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* @brief Write bytes to infomemory
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* @param[in] offset Offset in infomemory (0-254)
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* @param[in] count Number of items following
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* each item is a pair pointer, length
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* each item is a pair pointer, length
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*
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* Example: Infomem_write( 0, 2, &a,3, &b,1 );
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*
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* \note: The MSP430 has two consecutive blocks of infomemory. Each is 128 Bytes large.
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* The offset is the relative address starting at the beginning of the first block.
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* You can write an arbitrary number of bytes at any offse, but this
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* function cannot write across the two blocks of infomemory.
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* \note: The MSP430 has two consecutive blocks of infomemory.
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* Each is 128 bytes large. The offset is the relative address
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* starting at the beginning of the first block. You can write an
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* arbitrary number of bytes at any offset, but this function
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* cannot write across the two blocks of infomemory.
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*/
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bool infomem_write(unsigned int offset, unsigned char count, ...);
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#endif // INFOMEM_H
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#endif // !INFOMEM_H
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