/*
* (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
*
- * SPDX-License-Identifier: GPL-2.0+
+ * SPDX-License-Identifier: GPL-2.0
*/
#include "common.h"
#include <string.h>
#include <stdlib.h>
+#include <stdbool.h>
#include <avr/eeprom.h>
#include "config.h"
#define DELIM "\0"
const FLASH char default_env[] = {
- "bootdelay=" "3" DELIM
- "bootcmd=" "reset; loadf; go ${startaddr}" DELIM
- "baudrate=" "115200" DELIM
- "startaddr=" "0" DELIM
+ ENV_BAUDRATE "=" "115200" DELIM
+ ENV_BOOTDELAY "=" "3" DELIM
+ ENV_BOOTCMD "=" "pin ${pins}; loadcpm3; go ${startaddress}" DELIM
+ ENV_CPM3_SYSFILE "=" CONFIG_CPM3_SYSFILE DELIM
+ ENV_PINALIAS "=" "0:PG5,1:PG4,2:PB4,3:PB5,4:PB6,5:PB7,"
+ "6:PG3,7:PG2,8:PG1,9:PG0,10:PE7" DELIM
+ ENV_STARTADDRESS "=" "0" DELIM
+ "pins" "=" "2,8 low 9 high 3 2" DELIM
DELIM
};
+
/* EEPROM storage */
typedef struct environment_s {
uint16_t crc; /* CRC16 over data bytes */
}
-char *getenv(const MEMX char *name)
+char *getenv_str(const MEMX char *name)
{
env_item_t *ep;
char *ret = NULL;
env_item_t e, *ep;
(void) flag;
- debug("Initial value for argc=%d\n", argc);
name = argv[1];
value = argv[2];
* @return 0 if ok, 1 on error
*/
static
-int setenv(const char *varname, const char *varvalue)
+int setenv(const MEMX char *varname, const char *varvalue)
{
- const char * const argv[3] = { NULL, varname, varvalue };
+ int rc;
+
+#ifdef __MEMX
+ char *tmpname = NULL;
+ if (__builtin_avr_flash_segment(varname) != -1) {
+ tmpname = malloc(strlen_P(varname)+1);
+ if (tmpname == NULL) {
+ printf_P(PSTR("setenv: Out of Memory!\n"));
+ return 1;
+ }
+ strcpy_P(tmpname, varname);
+ } else
+ tmpname = (char *) varname;
+#endif
+
+ const char * const argv[3] = { NULL, tmpname, varvalue };
int argc = 3;
if (varvalue == NULL || varvalue[0] == '\0')
--argc;
- return (int) _do_env_set(0, argc, (char * const *)argv);
+ rc = (int) _do_env_set(0, argc, (char * const *)argv);
+
+#ifdef __MEMX
+ free(tmpname);
+#endif
+ return rc;
}
/**
}
+/*
+ * Read an environment variable as a boolean
+ */
+bool getenv_yesno(const MEMX char *name)
+{
+ char *s = getenv_str(name);
+
+ if (s == NULL)
+ return false;
+
+ return strchr_P(PSTR("1yYtT"), *s) != NULL;
+
+/*
+ return *s == '1' || *s == 'y' || *s == 'Y' || *s == 't' || *s == 'T' ?
+ 1 : 0;
+*/
+}
+
command_ret_t do_env_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
command_ret_t rc = CMD_RET_SUCCESS;