diff options
| -rw-r--r-- | doc/openocd.texi | 3 | ||||
| -rw-r--r-- | src/flash/nor/stm32f1x.c | 14 |
2 files changed, 14 insertions, 3 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index aa37b37f..6c6dc9ca 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -6607,9 +6607,10 @@ or upon executing the @command{stm32f1x options_load} command. The @var{num} parameter is a value shown by @command{flash banks}. @end deffn -@deffn Command {stm32f1x options_write} num (@option{SWWDG}|@option{HWWDG}) (@option{RSTSTNDBY}|@option{NORSTSTNDBY}) (@option{RSTSTOP}|@option{NORSTSTOP}) +@deffn Command {stm32f1x options_write} num (@option{SWWDG}|@option{HWWDG}) (@option{RSTSTNDBY}|@option{NORSTSTNDBY}) (@option{RSTSTOP}|@option{NORSTSTOP}) (@option{USEROPT} user_data) Writes the stm32 option byte with the specified values. The @var{num} parameter is a value shown by @command{flash banks}. +The @var{user_data} parameter is content of higher 16 bits of the option byte register (Data0 and Data1 as one 16bit number). @end deffn @deffn Command {stm32f1x options_load} num diff --git a/src/flash/nor/stm32f1x.c b/src/flash/nor/stm32f1x.c index ae299155..cd060daa 100644 --- a/src/flash/nor/stm32f1x.c +++ b/src/flash/nor/stm32f1x.c @@ -1313,7 +1313,8 @@ COMMAND_HANDLER(stm32x_handle_options_write_command) { struct target *target = NULL; struct stm32x_flash_bank *stm32x_info = NULL; - uint16_t optionbyte; + uint8_t optionbyte; + uint16_t useropt; if (CMD_ARGC < 2) return ERROR_COMMAND_SYNTAX_ERROR; @@ -1342,6 +1343,7 @@ COMMAND_HANDLER(stm32x_handle_options_write_command) /* start with current options */ optionbyte = stm32x_info->option_bytes.user; + useropt = stm32x_info->option_bytes.data; /* skip over flash bank */ CMD_ARGC--; @@ -1360,6 +1362,13 @@ COMMAND_HANDLER(stm32x_handle_options_write_command) optionbyte |= (1 << 2); else if (strcmp("RSTSTNDBY", CMD_ARGV[0]) == 0) optionbyte &= ~(1 << 2); + else if (strcmp("USEROPT", CMD_ARGV[0]) == 0) { + if (CMD_ARGC < 2) + return ERROR_COMMAND_SYNTAX_ERROR; + COMMAND_PARSE_NUMBER(u16, CMD_ARGV[1], useropt); + CMD_ARGC--; + CMD_ARGV++; + } else if (stm32x_info->has_dual_banks) { if (strcmp("BOOT0", CMD_ARGV[0]) == 0) optionbyte |= (1 << 3); @@ -1379,6 +1388,7 @@ COMMAND_HANDLER(stm32x_handle_options_write_command) } stm32x_info->option_bytes.user = optionbyte; + stm32x_info->option_bytes.data = useropt; if (stm32x_write_options(bank) != ERROR_OK) { command_print(CMD_CTX, "stm32x failed to write options"); @@ -1536,7 +1546,7 @@ static const struct command_registration stm32x_exec_command_handlers[] = { .mode = COMMAND_EXEC, .usage = "bank_id ('SWWDG'|'HWWDG') " "('RSTSTNDBY'|'NORSTSTNDBY') " - "('RSTSTOP'|'NORSTSTOP')", + "('RSTSTOP'|'NORSTSTOP') ('USEROPT' user_data)", .help = "Replace bits in device option bytes.", }, { |