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Merge pull request #1074 from stefanrueger/1073 

Correct flash paged write for avrftdi.c
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Stefan Rueger 2022-08-23 17:09:46 +01:00 committed by GitHub
parent fc6ef68b98 56aae55737
commit 88c48cdf82
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 15 deletions
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27
src/avrftdi.c
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@ -344,7 +344,7 @@ static int avrftdi_transmit_bb(const PROGRAMMER *pgm, unsigned char mode, const
size_t blocksize = pdata->rx_buffer_size/2; // we are reading 2 bytes per data byte
// determine a maximum size of data block
size_t max_size = MIN(pdata->ftdic->max_packet_size,pdata->tx_buffer_size);
size_t max_size = MIN(pdata->ftdic->max_packet_size, (unsigned int) pdata->tx_buffer_size);
// select block size so that resulting commands does not exceed max_size if possible
blocksize = MAX(1,(max_size-7)/((8*2*6)+(8*1*2)));
//avrdude_message(MSG_INFO, "blocksize %d \n",blocksize);
@ -361,9 +361,8 @@ static int avrftdi_transmit_bb(const PROGRAMMER *pgm, unsigned char mode, const
// (8*1) inputs per data byte, 2 transmit bytes per input (GET_BITS_LOW/HIGH),
// 1x SEND_IMMEDIATE
int len = 0;
int i;
for(i = 0 ; i< transfer_size; i++) {
for(size_t i = 0 ; i < transfer_size; i++) {
len += set_data(pgm, send_buffer + len, buf[written+i], (mode & MPSSE_DO_READ) != 0);
}
@ -380,14 +379,14 @@ static int avrftdi_transmit_bb(const PROGRAMMER *pgm, unsigned char mode, const
E(ftdi_write_data(pdata->ftdic, send_buffer, len) != len, pdata->ftdic);
if (mode & MPSSE_DO_READ) {
int n;
int k = 0;
size_t k = 0;
do {
n = ftdi_read_data(pdata->ftdic, &recv_buffer[k], 2*16*transfer_size - k);
E(n < 0, pdata->ftdic);
k += n;
} while (k < transfer_size);
for(i = 0 ; i< transfer_size; i++) {
for(size_t i = 0 ; i< transfer_size; i++) {
data[written + i] = extract_data(pgm, recv_buffer, i);
}
}
@ -430,7 +429,7 @@ static int avrftdi_transmit_mpsse(avrftdi_t* pdata, unsigned char mode, const un
{
size_t transfer_size = (remaining > blocksize) ? blocksize : remaining;
E(ftdi_write_data(pdata->ftdic, (unsigned char*)&buf[written], transfer_size) != transfer_size, pdata->ftdic);
E((size_t) ftdi_write_data(pdata->ftdic, (unsigned char*)&buf[written], transfer_size) != transfer_size, pdata->ftdic);
#if 0
if(remaining < blocksize)
E(ftdi_write_data(pdata->ftdic, &si, sizeof(si)) != sizeof(si), pdata->ftdic);
@ -438,7 +437,7 @@ static int avrftdi_transmit_mpsse(avrftdi_t* pdata, unsigned char mode, const un
if (mode & MPSSE_DO_READ) {
int n;
int k = 0;
size_t k = 0;
do {
n = ftdi_read_data(pdata->ftdic, &data[written + k], transfer_size - k);
E(n < 0, pdata->ftdic);
@ -998,7 +997,7 @@ static int avrftdi_flash_write(const PROGRAMMER *pgm, const AVRPART *p, const AV
return -1;
}
if(page_size != m->page_size) {
if(page_size != (unsigned int) m->page_size) {
log_warn("Parameter page_size is %d, ", page_size);
log_warn("but m->page_size is %d. Using the latter.\n", m->page_size);
}
@ -1042,12 +1041,11 @@ static int avrftdi_flash_write(const PROGRAMMER *pgm, const AVRPART *p, const AV
/* find a poll byte. We cannot poll a value of 0xff, so look
* for a value != 0xff
*/
for(poll_index = addr+len-1; poll_index > addr-1; poll_index--)
for(poll_index = addr+len-1; poll_index+1 > addr; poll_index--)
if(m->buf[poll_index] != 0xff)
break;
if((poll_index < addr + len) && m->buf[poll_index] != 0xff)
{
if(poll_index+1 > addr) {
buf_size = bufptr - buf;
if(verbose > TRACE)
@ -1088,12 +1086,11 @@ static int avrftdi_flash_read(const PROGRAMMER *pgm, const AVRPART *p, const AVR
unsigned int page_size, unsigned int addr, unsigned int len)
{
OPCODE * readop;
int byte, word;
unsigned int buf_size = 4 * len + 4;
unsigned char* o_buf = alloca(buf_size);
unsigned char* i_buf = alloca(buf_size);
unsigned int index;
memset(o_buf, 0, buf_size);
memset(i_buf, 0, buf_size);
@ -1112,7 +1109,7 @@ static int avrftdi_flash_read(const PROGRAMMER *pgm, const AVRPART *p, const AVR
return -1;
/* word addressing! */
for(word = addr/2, index = 0; word < (addr + len)/2; word++)
for(unsigned int word = addr/2, index = 0; word < (addr + len)/2; word++)
{
/* one byte is transferred via a 4-byte opcode.
* TODO: reduce magic numbers
@ -1143,7 +1140,7 @@ static int avrftdi_flash_read(const PROGRAMMER *pgm, const AVRPART *p, const AVR
memset(&m->buf[addr], 0, page_size);
/* every (read) op is 4 bytes in size and yields one byte of memory data */
for(byte = 0; byte < page_size; byte++) {
for(unsigned int byte = 0; byte < page_size; byte++) {
if(byte & 1)
readop = m->op[AVR_OP_READ_HI];
else