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Mark shell_commands as const 

This enables the compiler to place the array in flash, saving us a bit
of RAM.

Suggested-by: g-oikonomou
This commit is contained in:
Angelos Oikonomopoulos 2018-06-07 14:26:47 +00:00
parent 56dd8dcea4
commit 1a95aad7a7
3 changed files with 4 additions and 4 deletions
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4
os/services/shell/shell-commands.c
View File

@ -345,7 +345,7 @@ PT_THREAD(cmd_log(struct pt *pt, shell_output_func output, char *args))
static
PT_THREAD(cmd_help(struct pt *pt, shell_output_func output, char *args))
{
struct shell_command_t *cmd_ptr;
const struct shell_command_t *cmd_ptr;
PT_BEGIN(pt);
@ -734,7 +734,7 @@ shell_commands_init(void)
echo_reply_handler);
}
/*---------------------------------------------------------------------------*/
struct shell_command_t shell_commands[] = {
const struct shell_command_t shell_commands[] = {
{ "help", cmd_help, "'> help': Shows this help" },
{ "reboot", cmd_reboot, "'> reboot': Reboot the board by watchdog_reboot()" },
{ "ip-addr", cmd_ipaddr, "'> ip-addr': Shows all IPv6 addresses" },

2
os/services/shell/shell-commands.h
View File

@ -54,7 +54,7 @@ struct shell_command_t {
};
/* The set of supported commands */
extern struct shell_command_t shell_commands[];
extern const struct shell_command_t shell_commands[];
/**
* Initializes Shell-commands module

2
os/services/shell/shell.c
View File

@ -89,7 +89,7 @@ output_prompt(shell_output_func output)
PT_THREAD(shell_input(struct pt *pt, shell_output_func output, const char *cmd))
{
static char *args;
static struct shell_command_t *cmd_ptr;
static const struct shell_command_t *cmd_ptr;
PT_BEGIN(pt);