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More shell enhancements. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9285 35acf78f-673a-0410-8e92-d51de3d6d3f4
master
Giovanni Di Sirio 2016-04-16 07:27:28 +00:00
parent de50e8fae5
commit 0aabb7e5ad
2 changed files with 31 additions and 10 deletions
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33
os/various/shell/shell.c
View File

@ -135,6 +135,9 @@ static bool is_histbuff_space(ShellHistory *shp, int length) {
static void save_history(ShellHistory *shp, char *line, int length) {
if (shp == NULL)
return;
if (length > shp->sh_size - 2)
return;
@ -172,6 +175,9 @@ static void save_history(ShellHistory *shp, char *line, int length) {
static int get_history(ShellHistory *shp, char *line, int dir) {
int count=0;
if (shp == NULL)
return -1;
/* Count the number of lines saved in the buffer */
int idx = shp->sh_beg;
while (idx != shp->sh_end) {
@ -332,11 +338,25 @@ THD_FUNCTION(shellThread, p) {
char *lp, *cmd, *tokp, line[SHELL_MAX_LINE_LENGTH];
char *args[SHELL_MAX_ARGUMENTS + 1];
#if SHELL_USE_HISTORY == TRUE
*(scfg->sc_histbuf) = 0;
ShellHistory hist = {
scfg->sc_histbuf,
scfg->sc_histsize,
0,
0,
0
};
ShellHistory *shp = &hist;
#else
ShellHistory *shp = NULL;
#endif
chprintf(chp, SHELL_NEWLINE_STR);
chprintf(chp, "ChibiOS/RT Shell"SHELL_NEWLINE_STR);
while (true) {
chprintf(chp, SHELL_PROMPT_STR);
if (shellGetLine(scfg, line, sizeof(line))) {
if (shellGetLine(scfg, line, sizeof(line), shp)) {
#if (SHELL_CMD_EXIT_ENABLED == TRUE) && !defined(_CHIBIOS_NIL_)
chprintf(chp, SHELL_NEWLINE_STR);
chprintf(chp, "logout");
@ -424,22 +444,23 @@ void shellExit(msg_t msg) {
* @param[in] scfg pointer to a @p ShellConfig object
* @param[in] line pointer to the line buffer
* @param[in] size buffer maximum length
* @param[in] shp pointer to a @p ShellHistory object or NULL
* @return The operation status.
* @retval true the channel was reset or CTRL-D pressed.
* @retval false operation successful.
*
* @api
*/
bool shellGetLine(ShellConfig *scfg, char *line, unsigned size) {
bool shellGetLine(ShellConfig *scfg, char *line, unsigned size, ShellHistory *shp) {
char *p = line;
BaseSequentialStream *chp = scfg->sc_channel;
#if (SHELL_USE_ESC_SEQ == TRUE)
#if SHELL_USE_ESC_SEQ == TRUE
bool escape = false;
bool bracket = false;
#endif
#if (SHELL_USE_HISTORY == TRUE)
ShellHistory *shp = scfg->sc_history;
#if SHELL_USE_HISTORY != TRUE
(void) shp;
#endif
while (true) {
@ -510,9 +531,7 @@ bool shellGetLine(ShellConfig *scfg, char *line, unsigned size) {
if (c == '\r') {
chprintf(chp, SHELL_NEWLINE_STR);
#if SHELL_USE_HISTORY == TRUE
if (shp != NULL) {
save_history(shp, line, p - line);
}
#endif
*p = 0;
return false;

6
os/various/shell/shell.h
View File

@ -148,8 +148,10 @@ typedef struct {
const ShellCommand *sc_commands; /**< @brief Shell extra commands
table. */
#if (SHELL_USE_HISTORY == TRUE) || defined(__DOXYGEN__)
ShellHistory *sc_history; /**< @brief Shell command history
char *sc_histbuf; /**< @brief Shell command history
buffer. */
const int sc_histsize; /**< @brief Shell history buffer
size. */
#endif
#if (SHELL_USE_COMPLETION == TRUE) || defined(__DOXYGEN__)
char **sc_completion; /**< @brief Shell command completion
@ -207,7 +209,7 @@ extern "C" {
void shellInit(void);
THD_FUNCTION(shellThread, p);
void shellExit(msg_t msg);
bool shellGetLine(ShellConfig *scfg, char *line, unsigned size);
bool shellGetLine(ShellConfig *scfg, char *line, unsigned size, ShellHistory *shp);
#ifdef __cplusplus
}
#endif