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Fixed up file indent, comments, and eol-type.

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This commit is contained in:
skarg
2009-05-13 03:46:02 +00:00
parent 85c9efd2b5
commit 0c4edb33d9
49 changed files with 6758 additions and 6805 deletions
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bacnet-stack/ports/bdk-atxx4-mstp/bootloader/defines.h
+46 -46
View File
@@ -1,46 +1,46 @@
/* definitions generated by preprocessor, copy into defines.h */
#ifndef PPINC
#define _ATMEGA644P // device select: _ATMEGAxxxx
#define _B2048 // boot size select: _Bxxxx (words), powers of two only
#ifdef __ICCAVR__
#include "iom644.h"
#endif
#if __GNUC__
#include <avr/io.h>
#endif
/* define pin for enter-self-prog-mode */
#define PROGPORT PORTB
#define PROGPIN PINB
#define PROG_NO PB0
/* baud rate register value calculation */
#define CPU_FREQ 18430000
#define BAUD_RATE 115200
#define BRREG_VALUE 9
/* definitions for UART control */
#define BAUD_RATE_LOW_REG UBRR1
#define UART_CONTROL_REG UCSR1B
#define ENABLE_TRANSMITTER_BIT TXEN1
#define ENABLE_RECEIVER_BIT RXEN1
#define UART_STATUS_REG UCSR1A
#define TRANSMIT_COMPLETE_BIT TXC1
#define RECEIVE_COMPLETE_BIT RXC1
#define UART_DATA_REG UDR1
/* definitions for SPM control */
#define SPMCR_REG SPMCSR
#define PAGESIZE 256
#define APP_END 61440
//#define LARGE_MEMORY
/* definitions for device recognition */
#define PARTCODE 0
#define SIGNATURE_BYTE_1 0x1E
#define SIGNATURE_BYTE_2 0x96
#define SIGNATURE_BYTE_3 0x0A
/* indicate that preprocessor result is included */
#define PPINC
#endif
/* definitions generated by preprocessor, copy into defines.h */
#ifndef PPINC
#define _ATMEGA644P /* device select: _ATMEGAxxxx */
#define _B2048 /* boot size select: _Bxxxx (words), powers of two only */
#ifdef __ICCAVR__
#include "iom644.h"
#endif
#if __GNUC__
#include <avr/io.h>
#endif
/* define pin for enter-self-prog-mode */
#define PROGPORT PORTB
#define PROGPIN PINB
#define PROG_NO PB0
/* baud rate register value calculation */
#define CPU_FREQ 18430000
#define BAUD_RATE 115200
#define BRREG_VALUE 9
/* definitions for UART control */
#define BAUD_RATE_LOW_REG UBRR1
#define UART_CONTROL_REG UCSR1B
#define ENABLE_TRANSMITTER_BIT TXEN1
#define ENABLE_RECEIVER_BIT RXEN1
#define UART_STATUS_REG UCSR1A
#define TRANSMIT_COMPLETE_BIT TXC1
#define RECEIVE_COMPLETE_BIT RXC1
#define UART_DATA_REG UDR1
/* definitions for SPM control */
#define SPMCR_REG SPMCSR
#define PAGESIZE 256
#define APP_END 61440
/*#define LARGE_MEMORY */
/* definitions for device recognition */
#define PARTCODE 0
#define SIGNATURE_BYTE_1 0x1E
#define SIGNATURE_BYTE_2 0x96
#define SIGNATURE_BYTE_3 0x0A
/* indicate that preprocessor result is included */
#define PPINC
#endif
bacnet-stack/ports/bdk-atxx4-mstp/bootloader/main.c
+263 -292
View File
@@ -31,11 +31,11 @@
/* Uncomment the following to save code space */
//#define REMOVE_AVRPROG_SUPPORT
//#define REMOVE_FUSE_AND_LOCK_BIT_SUPPORT
//#define REMOVE_BLOCK_SUPPORT
//#define REMOVE_EEPROM_BYTE_SUPPORT
//#define REMOVE_FLASH_BYTE_SUPPORT
/*#define REMOVE_AVRPROG_SUPPORT */
/*#define REMOVE_FUSE_AND_LOCK_BIT_SUPPORT */
/*#define REMOVE_BLOCK_SUPPORT */
/*#define REMOVE_EEPROM_BYTE_SUPPORT */
/*#define REMOVE_FLASH_BYTE_SUPPORT */
/*
* GCC doesn't optimize long int arithmetics very clever. As the
@@ -47,13 +47,19 @@
*/
#ifdef LARGE_MEMORY
# define ADDR_T unsigned long
#else /* !LARGE_MEMORY */
#else /* !LARGE_MEMORY */
# define ADDR_T unsigned int
#endif /* LARGE_MEMORY */
#ifndef REMOVE_BLOCK_SUPPORT
unsigned char BlockLoad(unsigned int size, unsigned char mem, ADDR_T *address);
void BlockRead(unsigned int size, unsigned char mem, ADDR_T *address);
unsigned char BlockLoad(
unsigned int size,
unsigned char mem,
ADDR_T * address);
void BlockRead(
unsigned int size,
unsigned char mem,
ADDR_T * address);
/* BLOCKSIZE should be chosen so that the following holds: BLOCKSIZE*n = PAGESIZE, where n=1,2,3... */
#define BLOCKSIZE PAGESIZE
@@ -61,433 +67,398 @@ void BlockRead(unsigned int size, unsigned char mem, ADDR_T *address);
#endif /* REMOVE_BLOCK_SUPPORT */
#ifdef __ICCAVR__
__C_task void main(void)
__C_task void main(
void)
#else /* ! __ICCAVR__ */
int main(void)
int main(
void)
#endif /* __ICCAVR__ */
{
ADDR_T address;
unsigned int temp_int;
unsigned char val;
/* Initialization */
void (*funcptr)( void ) = 0x0000; // Set up function pointer to RESET vector.
PROGPORT |= (1<<PROG_NO); // Enable pull-up on PROG_NO line on PROGPORT.
initbootuart(); // Initialize UART.
/* Initialization */
void (
*funcptr) (
void) = 0x0000; /* Set up function pointer to RESET vector. */
PROGPORT |= (1 << PROG_NO); /* Enable pull-up on PROG_NO line on PROGPORT. */
initbootuart(); /* Initialize UART. */
/* Branch to bootloader or application code? */
if( !(PROGPIN & (1<<PROG_NO)) ) // If PROGPIN is pulled low, enter programmingmode.
{
if (!(PROGPIN & (1 << PROG_NO))) { /* If PROGPIN is pulled low, enter programmingmode. */
/* Main loop */
for(;;)
{
val=recchar(); // Wait for command character.
for (;;) {
val = recchar(); /* Wait for command character. */
// Check autoincrement status.
if(val=='a')
{
sendchar('Y'); // Yes, we do autoincrement.
/* Check autoincrement status. */
if (val == 'a') {
sendchar('Y'); /* Yes, we do autoincrement. */
}
// Set address.
else if(val=='A') // Set address...
{ // NOTE: Flash addresses are given in words, not bytes.
address=(recchar()<<8) | recchar(); // Read address high and low byte.
sendchar('\r'); // Send OK back.
/* Set address. */
else if (val == 'A') { /* Set address... *//* NOTE: Flash addresses are given in words, not bytes. */
address = (recchar() << 8) | recchar(); /* Read address high and low byte. */
sendchar('\r'); /* Send OK back. */
}
// Chip erase.
else if(val=='e')
{
for(address = 0; address < APP_END;address += PAGESIZE)
{ // NOTE: Here we use address as a byte-address, not word-address, for convenience.
_WAIT_FOR_SPM();
/* Chip erase. */
else if (val == 'e') {
for (address = 0; address < APP_END; address += PAGESIZE) { /* NOTE: Here we use address as a byte-address, not word-address, for convenience. */
_WAIT_FOR_SPM();
#ifdef __ICCAVR__
#pragma diag_suppress=Pe1053 // Suppress warning for conversion from long-type address to flash ptr.
#pragma diag_suppress=Pe1053 /* Suppress warning for conversion from long-type address to flash ptr. */
#endif
_PAGE_ERASE( address );
_PAGE_ERASE(address);
#ifdef __ICCAVR__
#pragma diag_default=Pe1053 // Back to default.
#pragma diag_default=Pe1053 /* Back to default. */
#endif
}
sendchar('\r'); // Send OK back.
sendchar('\r'); /* Send OK back. */
}
#ifndef REMOVE_BLOCK_SUPPORT
// Check block load support.
else if(val=='b')
{
sendchar('Y'); // Report block load supported.
sendchar((BLOCKSIZE>>8) & 0xFF); // MSB first.
sendchar(BLOCKSIZE&0xFF); // Report BLOCKSIZE (bytes).
}
/* Check block load support. */
else if (val == 'b') {
sendchar('Y'); /* Report block load supported. */
sendchar((BLOCKSIZE >> 8) & 0xFF); /* MSB first. */
sendchar(BLOCKSIZE & 0xFF); /* Report BLOCKSIZE (bytes). */
}
// Start block load.
else if(val=='B')
{
temp_int = (recchar()<<8) | recchar(); // Get block size.
val = recchar(); // Get memtype.
sendchar( BlockLoad(temp_int,val,&address) ); // Block load.
}
// Start block read.
else if(val=='g')
{
temp_int = (recchar()<<8) | recchar(); // Get block size.
val = recchar(); // Get memtype
BlockRead(temp_int,val,&address); // Block read
}
/* Start block load. */
else if (val == 'B') {
temp_int = (recchar() << 8) | recchar(); /* Get block size. */
val = recchar(); /* Get memtype. */
sendchar(BlockLoad(temp_int, val, &address)); /* Block load. */
}
/* Start block read. */
else if (val == 'g') {
temp_int = (recchar() << 8) | recchar(); /* Get block size. */
val = recchar(); /* Get memtype */
BlockRead(temp_int, val, &address); /* Block read */
}
#endif /* REMOVE_BLOCK_SUPPORT */
#ifndef REMOVE_FLASH_BYTE_SUPPORT
// Read program memory.
else if(val=='R')
{
// Send high byte, then low byte of flash word.
_WAIT_FOR_SPM();
#ifndef REMOVE_FLASH_BYTE_SUPPORT
/* Read program memory. */
else if (val == 'R') {
/* Send high byte, then low byte of flash word. */
_WAIT_FOR_SPM();
_ENABLE_RWW_SECTION();
#ifdef __ICCAVR__
#pragma diag_suppress=Pe1053 // Suppress warning for conversion from long-type address to flash ptr.
#pragma diag_suppress=Pe1053 /* Suppress warning for conversion from long-type address to flash ptr. */
#endif
sendchar( _LOAD_PROGRAM_MEMORY( (address << 1)+1 ) );
sendchar( _LOAD_PROGRAM_MEMORY( (address << 1)+0 ) );
sendchar(_LOAD_PROGRAM_MEMORY((address << 1) + 1));
sendchar(_LOAD_PROGRAM_MEMORY((address << 1) + 0));
#ifdef __ICCAVR__
#pragma diag_default=Pe1053 // Back to default.
#pragma diag_default=Pe1053 /* Back to default. */
#endif
address++; // Auto-advance to next Flash word.
address++; /* Auto-advance to next Flash word. */
}
// Write program memory, low byte.
else if(val=='c')
{ // NOTE: Always use this command before sending high byte.
temp_int=recchar(); // Get low byte for later _FILL_TEMP_WORD.
sendchar('\r'); // Send OK back.
/* Write program memory, low byte. */
else if (val == 'c') { /* NOTE: Always use this command before sending high byte. */
temp_int = recchar(); /* Get low byte for later _FILL_TEMP_WORD. */
sendchar('\r'); /* Send OK back. */
}
// Write program memory, high byte.
else if(val=='C')
{
temp_int |= (recchar()<<8); // Get and insert high byte.
/* Write program memory, high byte. */
else if (val == 'C') {
temp_int |= (recchar() << 8); /* Get and insert high byte. */
_WAIT_FOR_SPM();
#ifdef __ICCAVR__
#pragma diag_suppress=Pe1053 // Suppress warning for conversion from long-type address to flash ptr.
#pragma diag_suppress=Pe1053 /* Suppress warning for conversion from long-type address to flash ptr. */
#endif
_FILL_TEMP_WORD( (address << 1), temp_int ); // Convert word-address to byte-address and fill.
_FILL_TEMP_WORD((address << 1), temp_int); /* Convert word-address to byte-address and fill. */
#ifdef __ICCAVR__
#pragma diag_default=Pe1053 // Back to default.
#pragma diag_default=Pe1053 /* Back to default. */
#endif
address++; // Auto-advance to next Flash word.
sendchar('\r'); // Send OK back.
address++; /* Auto-advance to next Flash word. */
sendchar('\r'); /* Send OK back. */
}
// Write page.
else if(val== 'm')
{
if( address >= (APP_END>>1) ) // Protect bootloader area.
{
/* Write page. */
else if (val == 'm') {
if (address >= (APP_END >> 1)) { /* Protect bootloader area. */
sendchar('?');
} else
{
_WAIT_FOR_SPM();
} else {
_WAIT_FOR_SPM();
#ifdef __ICCAVR__
#pragma diag_suppress=Pe1053 // Suppress warning for conversion from long-type address to flash ptr.
#pragma diag_suppress=Pe1053 /* Suppress warning for conversion from long-type address to flash ptr. */
#endif
_PAGE_WRITE( address << 1 ); // Convert word-address to byte-address and write.
_PAGE_WRITE(address << 1); /* Convert word-address to byte-address and write. */
#ifdef __ICCAVR__
#pragma diag_default=Pe1053 // Back to default.
#pragma diag_default=Pe1053 /* Back to default. */
#endif
}
sendchar('\r'); // Send OK back.
sendchar('\r'); /* Send OK back. */
}
#endif /* REMOVE_FLASH_BYTE_SUPPORT */
#ifndef REMOVE_EEPROM_BYTE_SUPPORT
// Write EEPROM memory.
else if (val == 'D')
{
_WAIT_FOR_SPM();
EEARL = address; // Setup EEPROM address.
/* Write EEPROM memory. */
else if (val == 'D') {
_WAIT_FOR_SPM();
EEARL = address; /* Setup EEPROM address. */
EEARH = (address >> 8);
EEDR = recchar(); // Get byte.
EECR |= (1<<EEMWE); // Write byte.
EECR |= (1<<EEWE);
while (EECR & (1<<EEWE)) // Wait for write operation to finish.
EEDR = recchar(); /* Get byte. */
EECR |= (1 << EEMWE); /* Write byte. */
EECR |= (1 << EEWE);
while (EECR & (1 << EEWE)) /* Wait for write operation to finish. */
;
address++; // Auto-advance to next EEPROM byte.
sendchar('\r');// Send OK back.
address++; /* Auto-advance to next EEPROM byte. */
sendchar('\r'); /* Send OK back. */
}
// Read EEPROM memory.
else if (val == 'd')
{
EEARL = address; // Setup EEPROM address.
/* Read EEPROM memory. */
else if (val == 'd') {
EEARL = address; /* Setup EEPROM address. */
EEARH = (address >> 8);
EECR |= (1<<EERE); // Read byte...
sendchar(EEDR); // ...and send it back.
address++; // Auto-advance to next EEPROM byte.
EECR |= (1 << EERE); /* Read byte... */
sendchar(EEDR); /* ...and send it back. */
address++; /* Auto-advance to next EEPROM byte. */
}
#endif /* REMOVE_EEPROM_BYTE_SUPPORT */
#ifndef REMOVE_FUSE_AND_LOCK_BIT_SUPPORT
// Write lockbits.
else if(val=='l')
{
_WAIT_FOR_SPM();
_SET_LOCK_BITS( recchar() ); // Read and set lock bits.
sendchar('\r'); // Send OK back.
/* Write lockbits. */
else if (val == 'l') {
_WAIT_FOR_SPM();
_SET_LOCK_BITS(recchar()); /* Read and set lock bits. */
sendchar('\r'); /* Send OK back. */
}
#if defined(_GET_LOCK_BITS)
// Read lock bits.
else if(val=='r')
{
_WAIT_FOR_SPM();
sendchar( _GET_LOCK_BITS() );
/* Read lock bits. */
else if (val == 'r') {
_WAIT_FOR_SPM();
sendchar(_GET_LOCK_BITS());
}
// Read fuse bits.
else if(val=='F')
{
_WAIT_FOR_SPM();
sendchar( _GET_LOW_FUSES() );
/* Read fuse bits. */
else if (val == 'F') {
_WAIT_FOR_SPM();
sendchar(_GET_LOW_FUSES());
}
// Read high fuse bits.
else if(val=='N')
{
_WAIT_FOR_SPM();
sendchar( _GET_HIGH_FUSES() );
/* Read high fuse bits. */
else if (val == 'N') {
_WAIT_FOR_SPM();
sendchar(_GET_HIGH_FUSES());
}
// Read extended fuse bits.
else if(val=='Q')
{
_WAIT_FOR_SPM();
sendchar( _GET_EXTENDED_FUSES() );
/* Read extended fuse bits. */
else if (val == 'Q') {
_WAIT_FOR_SPM();
sendchar(_GET_EXTENDED_FUSES());
}
#endif /* defined(_GET_LOCK_BITS) */
#endif /* REMOVE_FUSE_AND_LOCK_BIT_SUPPORT */
#ifndef REMOVE_AVRPROG_SUPPORT
// Enter and leave programming mode.
else if((val=='P')||(val=='L'))
{
sendchar('\r'); // Nothing special to do, just answer OK.
}
// Exit bootloader.
else if(val=='E')
{
_WAIT_FOR_SPM();
_ENABLE_RWW_SECTION();
sendchar('\r');
funcptr(); // Jump to Reset vector 0x0000 in Application Section.
#ifndef REMOVE_AVRPROG_SUPPORT
/* Enter and leave programming mode. */
else if ((val == 'P') || (val == 'L')) {
sendchar('\r'); /* Nothing special to do, just answer OK. */
}
// Get programmer type.
else if (val=='p')
{
sendchar('S'); // Answer 'SERIAL'.
/* Exit bootloader. */
else if (val == 'E') {
_WAIT_FOR_SPM();
_ENABLE_RWW_SECTION();
sendchar('\r');
funcptr(); /* Jump to Reset vector 0x0000 in Application Section. */
}
// Return supported device codes.
else if(val=='t')
{
/* Get programmer type. */
else if (val == 'p') {
sendchar('S'); /* Answer 'SERIAL'. */
}
/* Return supported device codes. */
else if (val == 't') {
#if PARTCODE+0 > 0
sendchar( PARTCODE ); // Supports only this device, of course.
sendchar(PARTCODE); /* Supports only this device, of course. */
#endif /* PARTCODE */
sendchar( 0 ); // Send list terminator.
sendchar(0); /* Send list terminator. */
}
// Set LED, clear LED and set device type.
else if((val=='x')||(val=='y')||(val=='T'))
{
recchar(); // Ignore the command and it's parameter.
sendchar('\r'); // Send OK back.
/* Set LED, clear LED and set device type. */
else if ((val == 'x') || (val == 'y') || (val == 'T')) {
recchar(); /* Ignore the command and it's parameter. */
sendchar('\r'); /* Send OK back. */
}
#endif /* REMOVE_AVRPROG_SUPPORT */
// Return programmer identifier.
else if(val=='S')
{
sendchar('A'); // Return 'AVRBOOT'.
sendchar('V'); // Software identifier (aka programmer signature) is always 7 characters.
/* Return programmer identifier. */
else if (val == 'S') {
sendchar('A'); /* Return 'AVRBOOT'. */
sendchar('V'); /* Software identifier (aka programmer signature) is always 7 characters. */
sendchar('R');
sendchar('B');
sendchar('O');
sendchar('O');
sendchar('T');
}
// Return software version.
else if(val=='V')
{
/* Return software version. */
else if (val == 'V') {
sendchar('1');
sendchar('5');
}
}
// Return signature bytes.
else if(val=='s')
{
sendchar( SIGNATURE_BYTE_3 );
sendchar( SIGNATURE_BYTE_2 );
sendchar( SIGNATURE_BYTE_1 );
}
/* Return signature bytes. */
else if (val == 's') {
sendchar(SIGNATURE_BYTE_3);
sendchar(SIGNATURE_BYTE_2);
sendchar(SIGNATURE_BYTE_1);
}
// The last command to accept is ESC (synchronization).
else if(val!=0x1b) // If not ESC, then it is unrecognized...
{
/* The last command to accept is ESC (synchronization). */
else if (val != 0x1b) { /* If not ESC, then it is unrecognized... */
sendchar('?');
}
} // end: for(;;)
}
else
{
_WAIT_FOR_SPM();
} /* end: for(;;) */
} else {
_WAIT_FOR_SPM();
_ENABLE_RWW_SECTION();
funcptr(); // Jump to Reset vector 0x0000 in Application Section.
funcptr(); /* Jump to Reset vector 0x0000 in Application Section. */
}
} // end: main
} /* end: main */
#ifndef REMOVE_BLOCK_SUPPORT
unsigned char BlockLoad(unsigned int size, unsigned char mem, ADDR_T *address)
unsigned char BlockLoad(
unsigned int size,
unsigned char mem,
ADDR_T * address)
{
unsigned char buffer[BLOCKSIZE];
unsigned int data;
ADDR_T tempaddress;
// EEPROM memory type.
if(mem=='E')
{
/* EEPROM memory type. */
if (mem == 'E') {
/* Fill buffer first, as EEPROM is too slow to copy with UART speed */
for(tempaddress=0;tempaddress<size;tempaddress++)
for (tempaddress = 0; tempaddress < size; tempaddress++)
buffer[tempaddress] = recchar();
/* Then program the EEPROM */
_WAIT_FOR_SPM();
for( tempaddress=0; tempaddress < size; tempaddress++)
{
EEARL = *address; // Setup EEPROM address
for (tempaddress = 0; tempaddress < size; tempaddress++) {
EEARL = *address; /* Setup EEPROM address */
EEARH = ((*address) >> 8);
EEDR = buffer[tempaddress]; // Get byte.
EECR |= (1<<EEMWE); // Write byte.
EECR |= (1<<EEWE);
while (EECR & (1<<EEWE)) // Wait for write operation to finish.
EEDR = buffer[tempaddress]; /* Get byte. */
EECR |= (1 << EEMWE); /* Write byte. */
EECR |= (1 << EEWE);
while (EECR & (1 << EEWE)) /* Wait for write operation to finish. */
;
(*address)++; // Select next EEPROM byte
(*address)++; /* Select next EEPROM byte */
}
return '\r'; // Report programming OK
}
// Flash memory type.
else if(mem=='F')
{ // NOTE: For flash programming, 'address' is given in words.
(*address) <<= 1; // Convert address to bytes temporarily.
tempaddress = (*address); // Store address in page.
do
{
return '\r'; /* Report programming OK */
}
/* Flash memory type. */
else if (mem == 'F') { /* NOTE: For flash programming, 'address' is given in words. */
(*address) <<= 1; /* Convert address to bytes temporarily. */
tempaddress = (*address); /* Store address in page. */
do {
data = recchar();
data |= (recchar() << 8);
#ifdef __ICCAVR__
#pragma diag_suppress=Pe1053 // Suppress warning for conversion from long-type address to flash ptr.
#pragma diag_suppress=Pe1053 /* Suppress warning for conversion from long-type address to flash ptr. */
#endif
_FILL_TEMP_WORD(*address,data);
_FILL_TEMP_WORD(*address, data);
#ifdef __ICCAVR__
#pragma diag_default=Pe1053 // Back to default.
#pragma diag_default=Pe1053 /* Back to default. */
#endif
(*address)+=2; // Select next word in memory.
size -= 2; // Reduce number of bytes to write by two.
} while(size); // Loop until all bytes written.
(*address) += 2; /* Select next word in memory. */
size -= 2; /* Reduce number of bytes to write by two. */
} while (size); /* Loop until all bytes written. */
#ifdef __ICCAVR__
#pragma diag_suppress=Pe1053 // Suppress warning for conversion from long-type address to flash ptr.
#pragma diag_suppress=Pe1053 /* Suppress warning for conversion from long-type address to flash ptr. */
#endif
_PAGE_WRITE(tempaddress);
_PAGE_WRITE(tempaddress);
#ifdef __ICCAVR__
#pragma diag_default=Pe1053 // Back to default.
#pragma diag_default=Pe1053 /* Back to default. */
#endif
_WAIT_FOR_SPM();
_ENABLE_RWW_SECTION();
_WAIT_FOR_SPM();
_ENABLE_RWW_SECTION();
(*address) >>= 1; // Convert address back to Flash words again.
return '\r'; // Report programming OK
(*address) >>= 1; /* Convert address back to Flash words again. */
return '\r'; /* Report programming OK */
}
// Invalid memory type?
else
{
/* Invalid memory type? */
else {
return '?';
}
}
void BlockRead(unsigned int size, unsigned char mem, ADDR_T *address)
void BlockRead(
unsigned int size,
unsigned char mem,
ADDR_T * address)
{
// EEPROM memory type.
if (mem=='E') // Read EEPROM
{
do
{
EEARL = *address; // Setup EEPROM address
/* EEPROM memory type. */
if (mem == 'E') { /* Read EEPROM */
do {
EEARL = *address; /* Setup EEPROM address */
EEARH = ((*address) >> 8);
(*address)++; // Select next EEPROM byte
EECR |= (1<<EERE); // Read EEPROM
sendchar(EEDR); // Transmit EEPROM dat ato PC
(*address)++; /* Select next EEPROM byte */
EECR |= (1 << EERE); /* Read EEPROM */
sendchar(EEDR); /* Transmit EEPROM dat ato PC */
size--; // Decrease number of bytes to read
} while (size); // Repeat until all block has been read
size--; /* Decrease number of bytes to read */
} while (size); /* Repeat until all block has been read */
}
// Flash memory type.
else if(mem=='F')
{
(*address) <<= 1; // Convert address to bytes temporarily.
do
{
#ifdef __ICCAVR__
#pragma diag_suppress=Pe1053 // Suppress warning for conversion from long-type address to flash ptr.
#endif
sendchar( _LOAD_PROGRAM_MEMORY(*address) );
sendchar( _LOAD_PROGRAM_MEMORY((*address)+1) );
#ifdef __ICCAVR__
#pragma diag_default=Pe1053 // Back to default.
#endif
(*address) += 2; // Select next word in memory.
size -= 2; // Subtract two bytes from number of bytes to read
} while (size); // Repeat until all block has been read
(*address) >>= 1; // Convert address back to Flash words again.
/* Flash memory type. */
else if (mem == 'F') {
(*address) <<= 1; /* Convert address to bytes temporarily. */
do {
#ifdef __ICCAVR__
#pragma diag_suppress=Pe1053 /* Suppress warning for conversion from long-type address to flash ptr. */
#endif
sendchar(_LOAD_PROGRAM_MEMORY(*address));
sendchar(_LOAD_PROGRAM_MEMORY((*address) + 1));
#ifdef __ICCAVR__
#pragma diag_default=Pe1053 /* Back to default. */
#endif
(*address) += 2; /* Select next word in memory. */
size -= 2; /* Subtract two bytes from number of bytes to read */
} while (size); /* Repeat until all block has been read */
(*address) >>= 1; /* Convert address back to Flash words again. */
}
}
#endif /* REMOVE_BLOCK_SUPPORT */
bacnet-stack/ports/bdk-atxx4-mstp/bootloader/serial.c
+13 -11
View File
@@ -19,24 +19,26 @@
#include "defines.h"
void initbootuart(void)
void initbootuart(
void)
{
BAUD_RATE_LOW_REG = BRREG_VALUE;
UART_CONTROL_REG = (1 << ENABLE_RECEIVER_BIT) |
(1 << ENABLE_TRANSMITTER_BIT); // enable receive and transmit
BAUD_RATE_LOW_REG = BRREG_VALUE;
UART_CONTROL_REG = (1 << ENABLE_RECEIVER_BIT) | (1 << ENABLE_TRANSMITTER_BIT); /* enable receive and transmit */
}
void sendchar(unsigned char c)
void sendchar(
unsigned char c)
{
UART_DATA_REG = c; // prepare transmission
while (!(UART_STATUS_REG & (1 << TRANSMIT_COMPLETE_BIT)));// wait until byte sendt
UART_STATUS_REG |= (1 << TRANSMIT_COMPLETE_BIT); // delete TXCflag
UART_DATA_REG = c; /* prepare transmission */
while (!(UART_STATUS_REG & (1 << TRANSMIT_COMPLETE_BIT))); /* wait until byte sendt */
UART_STATUS_REG |= (1 << TRANSMIT_COMPLETE_BIT); /* delete TXCflag */
}
unsigned char recchar(void)
unsigned char recchar(
void)
{
while(!(UART_STATUS_REG & (1 << RECEIVE_COMPLETE_BIT))); // wait for data
return UART_DATA_REG;
while (!(UART_STATUS_REG & (1 << RECEIVE_COMPLETE_BIT))); /* wait for data */
return UART_DATA_REG;
}
bacnet-stack/ports/bdk-atxx4-mstp/bootloader/serial.h
+6 -3
View File
@@ -17,6 +17,9 @@
* Description : Header file for serial.c
****************************************************************************/
void initbootuart( void );
void sendchar( unsigned char );
unsigned char recchar( void );
void initbootuart(
void);
void sendchar(
unsigned char);
unsigned char recchar(
void);