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Improve at91sam7.c command argument parsing.

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This commit is contained in:
Zachary T Welch 2009-10-22 22:33:12 -07:00
parent 5e0ee6ab08
commit 75b601b1f3
1 changed files with 27 additions and 23 deletions
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50
src/flash/at91sam7.c
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@ -752,7 +752,7 @@ static int at91sam7_flash_bank_command(struct command_context_s *cmd_ctx, char *
uint32_t base_address;
uint32_t bank_size;
uint32_t ext_freq;
uint32_t ext_freq = 0;
int chip_width;
int bus_width;
@ -776,32 +776,36 @@ static int at91sam7_flash_bank_command(struct command_context_s *cmd_ctx, char *
at91sam7_info->ext_freq = 0;
at91sam7_info->flash_autodetection = 0;
if (argc == 14)
{
ext_freq = atol(args[13]) * 1000;
at91sam7_info->ext_freq = ext_freq;
}
if ((argc != 14) ||
(atoi(args[4]) == 0) || /* bus width */
(atoi(args[8]) == 0) || /* banks number */
(atoi(args[9]) == 0) || /* sectors per bank */
(atoi(args[10]) == 0) || /* pages per sector */
(atoi(args[11]) == 0) || /* page size */
(atoi(args[12]) == 0)) /* nvmbits number */
if (argc < 13)
{
at91sam7_info->flash_autodetection = 1;
return ERROR_OK;
}
base_address = strtoul(args[1], NULL, 0);
chip_width = atoi(args[3]);
bus_width = atoi(args[4]);
banks_num = atoi(args[8]);
num_sectors = atoi(args[9]);
pages_per_sector = atoi(args[10]);
page_size = atoi(args[11]);
num_nvmbits = atoi(args[12]);
COMMAND_PARSE_NUMBER(u32, args[1], base_address);
COMMAND_PARSE_NUMBER(int, args[3], chip_width);
COMMAND_PARSE_NUMBER(int, args[4], bus_width);
COMMAND_PARSE_NUMBER(int, args[8], banks_num);
COMMAND_PARSE_NUMBER(int, args[9], num_sectors);
COMMAND_PARSE_NUMBER(u16, args[10], pages_per_sector);
COMMAND_PARSE_NUMBER(u16, args[11], page_size);
COMMAND_PARSE_NUMBER(u16, args[12], num_nvmbits);
if (argc == 14) {
unsigned long freq;
COMMAND_PARSE_NUMBER(ulong, args[13], freq);
ext_freq = freq * 1000;
at91sam7_info->ext_freq = ext_freq;
}
if ((bus_width == 0) || (banks_num == 0) || (num_sectors == 0) ||
(pages_per_sector == 0) || (page_size == 0) || (num_nvmbits == 0))
{
at91sam7_info->flash_autodetection = 1;
return ERROR_OK;
}
target_name = calloc(strlen(args[7]) + 1, sizeof(char));
strcpy(target_name, args[7]);
@ -1181,7 +1185,7 @@ static int at91sam7_handle_gpnvm_command(struct command_context_s *cmd_ctx, char
}
}
bit = atoi(args[0]);
COMMAND_PARSE_NUMBER(int, args[0], bit);
if ((bit < 0) || (bit >= at91sam7_info->num_nvmbits))
{
command_print(cmd_ctx, "gpnvm bit '#%s' is out of bounds for target %s", args[0], at91sam7_info->target_name);