add code to load/save configuration in eeprom
authorOlivier Matz <zer0@droids-corp.org>
Thu, 31 Oct 2013 18:49:22 +0000 (19:49 +0100)
committerOlivier Matz <zer0@droids-corp.org>
Thu, 31 Oct 2013 18:51:26 +0000 (19:51 +0100)
Makefile
cmdline.c
cmdline.h
commands.c
eeprom_config.c [new file with mode: 0644]
eeprom_config.h [new file with mode: 0644]
main.c

index 4883bb4..24f4f92 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,7 @@ SRC += parse_atcmd.c
 SRC += parse_monitor.c
 SRC += cmdline.c
 SRC += beep.c
+SRC += eeprom_config.c
 
 CFLAGS += -W -Wall -Werror
 
index 5745b9c..0b0c606 100644 (file)
--- a/cmdline.c
+++ b/cmdline.c
@@ -79,8 +79,7 @@ int xbee_dev_recv(FILE* f)
        return c;
 }
 
-static void
-valid_buffer(const char *buf, uint8_t size)
+void cmdline_valid_buffer(const char *buf, uint8_t size)
 {
        int8_t ret;
        PGM_P ctx = (PGM_P)main_ctx;
@@ -104,7 +103,7 @@ complete_buffer(const char *buf, char *dstbuf, uint8_t dstsize,
 }
 
 
-static void write_char(char c)
+void cmdline_write_char(char c)
 {
        cmdline_dev_send(c, NULL);
 }
@@ -112,7 +111,7 @@ static void write_char(char c)
 
 void cmdline_init(void)
 {
-       rdline_init(&xbeeboard.rdl, write_char, valid_buffer, complete_buffer);
+       rdline_init(&xbeeboard.rdl, cmdline_write_char, cmdline_valid_buffer, complete_buffer);
        snprintf_P(xbeeboard.prompt, sizeof(xbeeboard.prompt), PSTR("mainboard > "));
 }
 
index 58798a3..034244a 100644 (file)
--- a/cmdline.h
+++ b/cmdline.h
@@ -39,6 +39,8 @@ int cmdline_poll(void);
 
 int cmdline_dev_send(char c, FILE* f);
 int cmdline_dev_recv(FILE* f);
+void cmdline_write_char(char c);
+void cmdline_valid_buffer(const char *buf, uint8_t size);
 
 int xbee_dev_send(char c, FILE* f);
 int xbee_dev_recv(FILE* f);
index b58594a..eff413d 100644 (file)
@@ -52,6 +52,7 @@
 #include "main.h"
 #include "cmdline.h"
 #include "beep.h"
+#include "eeprom_config.h"
 
 /* commands_gen.c */
 extern const parse_inst_t PROGMEM cmd_reset;
@@ -1463,7 +1464,7 @@ static void cmd_test_spi_parsed(void * parsed_result, void *data)
        /* stress test: send many commands, no wait between each servo
         * of a series, and a variable delay between series */
        printf_P(PSTR("stress test\r\n"));
-       while (!cmdline_keypressed()) {
+       while (!cmdline_keypressed()) {
 
                wait_time++;
                if (wait_time > 20)
@@ -1550,6 +1551,212 @@ const parse_inst_t PROGMEM cmd_test_spi = {
        },
 };
 
+/**********************************************************/
+
+/* this structure is filled when cmd_test_eeprom_config is parsed successfully */
+struct cmd_test_eeprom_config_result {
+       fixed_string_t arg0;
+};
+
+static void cmd_test_eeprom_config_parsed(void *parsed_result, void *data)
+{
+       (void)parsed_result;
+       (void)data;
+
+       eeprom_dump_cmds();
+       eeprom_append_cmd("salut1\n");
+       eeprom_dump_cmds();
+       eeprom_append_cmd("salut2\n");
+       eeprom_append_cmd("salut3\n");
+       eeprom_append_cmd("salut4\n");
+       eeprom_dump_cmds();
+       eeprom_insert_cmd_before("coin\n", 0);
+       eeprom_insert_cmd_before("coin2\n", 2);
+       eeprom_dump_cmds();
+       eeprom_delete_cmd(2);
+       eeprom_delete_cmd(0);
+       eeprom_dump_cmds();
+}
+
+const char PROGMEM str_test_eeprom_config_arg0[] = "test_eeprom_config";
+const parse_token_string_t PROGMEM cmd_test_eeprom_config_arg0 =
+       TOKEN_STRING_INITIALIZER(struct cmd_test_eeprom_config_result, arg0,
+                                str_test_eeprom_config_arg0);
+
+const char PROGMEM help_test_eeprom_config[] = "Test the eeprom configuration";
+const parse_inst_t PROGMEM cmd_test_eeprom_config = {
+       .f = cmd_test_eeprom_config_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_test_eeprom_config,
+       .tokens = {        /* token list, NULL terminated */
+               (PGM_P)&cmd_test_eeprom_config_arg0,
+               NULL,
+       },
+};
+
+/* ************* */
+
+struct cmd_eeprom_del_result {
+       fixed_string_t cmd;
+       fixed_string_t action;
+       uint8_t n;
+};
+
+static void cmd_eeprom_del_parsed(void *parsed_result,
+                               void *data)
+{
+       struct cmd_eeprom_del_result *res = parsed_result;
+
+       (void)data;
+       if (eeprom_delete_cmd(res->n) < 0)
+               printf_P(PSTR("cannot delete command\n"));
+       eeprom_dump_cmds();
+}
+
+const char PROGMEM str_eeprom_del_eeprom[] = "eeprom";
+const parse_token_string_t PROGMEM cmd_eeprom_del_cmd =
+       TOKEN_STRING_INITIALIZER(struct cmd_eeprom_del_result, cmd,
+                                str_eeprom_del_eeprom);
+const char PROGMEM str_eeprom_del_del[] = "del";
+const parse_token_string_t PROGMEM cmd_eeprom_del_action =
+       TOKEN_STRING_INITIALIZER(struct cmd_eeprom_del_result, action,
+                                str_eeprom_del_del);
+const parse_token_num_t PROGMEM cmd_eeprom_del_num =
+       TOKEN_NUM_INITIALIZER(struct cmd_eeprom_del_result, n,
+                             UINT8);
+
+const char PROGMEM help_eeprom_del[] = "delete an eeprom init command";
+const parse_inst_t PROGMEM cmd_eeprom_del = {
+       .f = cmd_eeprom_del_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_eeprom_del,
+       .tokens = {        /* token list, NULL terminated */
+               (PGM_P)&cmd_eeprom_del_cmd,
+               (PGM_P)&cmd_eeprom_del_action,
+               (PGM_P)&cmd_eeprom_del_num,
+               NULL,
+       },
+};
+
+/* ************* */
+
+struct cmd_eeprom_add_result {
+       fixed_string_t cmd;
+       fixed_string_t action;
+       uint8_t n;
+};
+
+static void cmd_eeprom_add_parsed(void *parsed_result,
+                                void *data)
+{
+       struct cmd_eeprom_add_result *res = parsed_result;
+       struct rdline rdl;
+       const char *buffer;
+       int8_t ret;
+       int16_t c;
+
+       rdline_init(&rdl, cmdline_write_char, NULL, NULL);
+       rdline_newline(&rdl, "> ");
+
+       /* XXX bad: we should not block as we do not serve callout */
+       while (1) {
+               c = cmdline_dev_recv(NULL);
+               if (c < 0)
+                       continue;
+
+               ret = rdline_char_in(&rdl, c);
+               if (ret == -2) {
+                       printf_P(PSTR("abort\n"));
+                       return;
+               }
+               if (ret == 1)
+                       break;
+       }
+
+       buffer = rdline_get_buffer(&rdl);
+       if (data == NULL)
+               eeprom_insert_cmd_before(buffer, res->n);
+       else
+               eeprom_append_cmd(buffer);
+       eeprom_dump_cmds();
+}
+
+const char PROGMEM str_eeprom_add_eeprom[] = "eeprom";
+const parse_token_string_t PROGMEM cmd_eeprom_add_cmd =
+       TOKEN_STRING_INITIALIZER(struct cmd_eeprom_add_result, cmd,
+                                str_eeprom_add_eeprom);
+const char PROGMEM str_eeprom_add_add[] = "add";
+const parse_token_string_t PROGMEM cmd_eeprom_add_action =
+       TOKEN_STRING_INITIALIZER(struct cmd_eeprom_add_result, action,
+                                str_eeprom_add_add);
+const parse_token_num_t PROGMEM cmd_eeprom_add_num =
+       TOKEN_NUM_INITIALIZER(struct cmd_eeprom_add_result, n,
+                             UINT8);
+
+const char PROGMEM help_eeprom_add[] = "insert an eeprom init command";
+const parse_inst_t PROGMEM cmd_eeprom_add = {
+       .f = cmd_eeprom_add_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_eeprom_add,
+       .tokens = {        /* token list, NULL terminated */
+               (PGM_P)&cmd_eeprom_add_cmd,
+               (PGM_P)&cmd_eeprom_add_action,
+               (PGM_P)&cmd_eeprom_add_num,
+               NULL,
+       },
+};
+
+const char PROGMEM help_eeprom_add2[] = "append an eeprom init command";
+const parse_inst_t PROGMEM cmd_eeprom_add2 = {
+       .f = cmd_eeprom_add_parsed,  /* function to call */
+       .data = (void *)1,      /* 2nd arg of func */
+       .help_str = help_eeprom_add2,
+       .tokens = {        /* token list, NULL terminated */
+               (PGM_P)&cmd_eeprom_add_cmd,
+               (PGM_P)&cmd_eeprom_add_action,
+               NULL,
+       },
+};
+
+/* ************* */
+
+struct cmd_eeprom_list_result {
+       fixed_string_t cmd;
+       fixed_string_t action;
+};
+
+static void cmd_eeprom_list_parsed(void *parsed_result,
+                               void *data)
+{
+       (void)parsed_result;
+       (void)data;
+       eeprom_dump_cmds();
+}
+
+const char PROGMEM str_eeprom_list_eeprom[] = "eeprom";
+const parse_token_string_t PROGMEM cmd_eeprom_list_cmd =
+       TOKEN_STRING_INITIALIZER(struct cmd_eeprom_list_result, cmd,
+                                str_eeprom_list_eeprom);
+const char PROGMEM str_eeprom_list_list[] = "list";
+const parse_token_string_t PROGMEM cmd_eeprom_list_action =
+       TOKEN_STRING_INITIALIZER(struct cmd_eeprom_list_result, action,
+                                str_eeprom_list_list);
+
+const char PROGMEM help_eeprom_list[] = "list all eeprom init commands";
+const parse_inst_t PROGMEM cmd_eeprom_list = {
+       .f = cmd_eeprom_list_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_eeprom_list,
+       .tokens = {        /* token list, NULL terminated */
+               (PGM_P)&cmd_eeprom_list_cmd,
+               (PGM_P)&cmd_eeprom_list_action,
+               NULL,
+       },
+};
+
+
+/* ************* */
+
 /* in progmem */
 const parse_ctx_t PROGMEM main_ctx[] = {
 
@@ -1591,5 +1798,10 @@ const parse_ctx_t PROGMEM main_ctx[] = {
        &cmd_servo_bypassppm,
        &cmd_servo_show,
        &cmd_test_spi,
+       &cmd_test_eeprom_config,
+       &cmd_eeprom_del,
+       &cmd_eeprom_add,
+       &cmd_eeprom_add2,
+       &cmd_eeprom_list,
        NULL,
 };
diff --git a/eeprom_config.c b/eeprom_config.c
new file mode 100644 (file)
index 0000000..f3274d8
--- /dev/null
@@ -0,0 +1,157 @@
+/*
+ *  Copyright 2013 Olivier Matz <zer0@droids-corp.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdint.h>
+
+#include <aversive/pgmspace.h>
+#include <aversive/eeprom.h>
+#include <aversive/error.h>
+
+#include <uart.h>
+
+
+#include "cmdline.h"
+#include "eeprom_config.h"
+
+/* load configuration from eeprom */
+int8_t eeprom_load_config(void)
+{
+       struct eeprom_config *e = NULL;
+       struct eeprom_cmd cmd;
+       uint32_t magic;
+       uint8_t i, max;
+
+       eeprom_read_block(&magic, &e->magic, sizeof(magic));
+       if (magic != EEPROM_CONFIG_MAGIC) {
+               printf_P(PSTR("no EEPROM config\n"));
+               eeprom_set_ncmds(0);
+               return 0;
+       }
+
+       max =  eeprom_get_ncmds();
+       for (i = 0; i < max; i++) {
+               eeprom_get_cmd(&cmd, i);
+               printf_P(PSTR("%s"), cmd.buf);
+               cmdline_valid_buffer(cmd.buf, strlen(cmd.buf));
+       }
+
+       return -1;
+}
+
+uint8_t eeprom_get_ncmds(void)
+{
+       struct eeprom_config *e = NULL;
+       uint8_t ncmds;
+
+       eeprom_read_block(&ncmds, &e->ncmds, sizeof(ncmds));
+       return ncmds;
+}
+
+void eeprom_set_ncmds(uint8_t ncmds)
+{
+       struct eeprom_config *e = NULL;
+       uint32_t magic = EEPROM_CONFIG_MAGIC;
+       eeprom_update_block(&ncmds, &e->ncmds, sizeof(ncmds));
+       eeprom_update_block(&magic, &e->magic, sizeof(magic));
+}
+
+/* fill cmd struct with the n-th command from eeprom, no check is done
+ * on index or size. The \0 is added at the end of the string. */
+void eeprom_get_cmd(struct eeprom_cmd *cmd, uint8_t n)
+{
+       struct eeprom_config *e = NULL;
+
+       eeprom_read_block(cmd, &e->cmds[n], sizeof(*cmd));
+       cmd->buf[EEPROM_CMD_SIZE-1] = '\0';
+}
+
+/* fill n-th command of eeprom from struct, no check is done on index
+ * or size */
+void eeprom_set_cmd(struct eeprom_cmd *cmd, uint8_t n)
+{
+       struct eeprom_config *e = NULL;
+
+       eeprom_update_block(cmd, &e->cmds[n], sizeof(*cmd));
+}
+
+void eeprom_dump_cmds(void)
+{
+       uint8_t i, max;
+       struct eeprom_cmd cmd;
+
+       printf_P(PSTR("init commands:\n"));
+       max = eeprom_get_ncmds();
+       for (i = 0; i < max; i++) {
+               eeprom_get_cmd(&cmd, i);
+               printf_P(PSTR("%.2d: %s"), i, cmd.buf);
+       }
+}
+
+int8_t eeprom_insert_cmd_before(const char *str, uint8_t n)
+{
+       uint8_t i, max;
+       struct eeprom_cmd cmd;
+
+       if (strlen(str) >= EEPROM_CMD_SIZE)
+               return -1;
+
+       max = eeprom_get_ncmds();
+       if (n > max)
+               return -1;
+       if (max >= EEPROM_N_CMD_MAX)
+               return -1;
+
+       for (i = max; i > n; i--) {
+               eeprom_get_cmd(&cmd, i-1);
+               eeprom_set_cmd(&cmd, i);
+       }
+
+       snprintf(cmd.buf, sizeof(cmd.buf), "%s", str);
+       eeprom_set_cmd(&cmd, n);
+       eeprom_set_ncmds(max + 1);
+       return 0;
+}
+
+int8_t eeprom_append_cmd(const char *str)
+{
+       uint8_t max;
+
+       max = eeprom_get_ncmds();
+       return eeprom_insert_cmd_before(str, max);
+}
+
+int8_t eeprom_delete_cmd(uint8_t n)
+{
+       uint8_t i, max;
+       struct eeprom_cmd cmd;
+
+       max = eeprom_get_ncmds();
+       if (n >= max)
+               return -1;
+
+       for (i = n; i < max-1; i++) {
+               eeprom_get_cmd(&cmd, i+1);
+               eeprom_set_cmd(&cmd, i);
+       }
+
+       eeprom_set_ncmds(max - 1);
+       return 0;
+}
diff --git a/eeprom_config.h b/eeprom_config.h
new file mode 100644 (file)
index 0000000..7aff867
--- /dev/null
@@ -0,0 +1,48 @@
+/*
+ *  Copyright 2013 Olivier Matz <zer0@droids-corp.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef _EEPROM_CONFIG_H_
+#define _EEPROM_CONFIG_H_
+
+#define EEPROM_CONFIG_MAGIC 0x666bea57
+#define EEPROM_CMD_SIZE 64
+#define EEPROM_N_CMD_MAX 16
+
+struct eeprom_cmd {
+       char buf[EEPROM_CMD_SIZE];
+};
+
+struct eeprom_config
+{
+       uint32_t magic;
+       uint8_t ncmds;
+       struct eeprom_cmd cmds[EEPROM_N_CMD_MAX];
+};
+
+int8_t eeprom_load_config(void);
+uint8_t eeprom_get_ncmds(void);
+void eeprom_set_ncmds(uint8_t ncmds);
+void eeprom_get_cmd(struct eeprom_cmd *cmd, uint8_t n);
+void eeprom_set_cmd(struct eeprom_cmd *cmd, uint8_t n);
+void eeprom_dump_cmds(void);
+int8_t eeprom_insert_cmd_before(const char *str, uint8_t n);
+int8_t eeprom_append_cmd(const char *str);
+int8_t eeprom_delete_cmd(uint8_t n);
+
+#endif
diff --git a/main.c b/main.c
index 8e2aa0e..20e26b0 100644 (file)
--- a/main.c
+++ b/main.c
@@ -52,6 +52,7 @@
 #include <rdline.h>
 #include <timer.h>
 
+#include "eeprom_config.h"
 #include "beep.h"
 #include "main.h"
 
@@ -247,7 +248,7 @@ int xbee_recv_data(struct xbee_recv_hdr *recvframe, unsigned len)
                        val += 512;
                        spi_servo_set(0, val);
                        break;
-                                 }
+               }
                case RC_PROTO_TYPE_RANGE: {
                        struct rc_proto_range *rcr =
                                (struct rc_proto_range *) recvframe->data;
@@ -660,9 +661,9 @@ int main(void)
                fprintf(stderr, "cannot register default channel\n");
                return -1;
        }
-
        sei();
 
+       eeprom_load_config();
        xbee_mainloop();
        return 0;
 }