+/*
+ * Copyright © 2009 Keith Packard <keithp@keithp.com>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 "ao.h"
+
+__xdata struct ao_config ao_config;
+__xdata uint8_t ao_config_loaded;
+__xdata uint8_t ao_config_dirty;
+__xdata uint8_t ao_config_mutex;
+
+#define AO_CONFIG_DEFAULT_MAIN_DEPLOY 250
+#define AO_CONFIG_DEFAULT_RADIO_CHANNEL 0
+#define AO_CONFIG_DEFAULT_CALLSIGN "KD7SGQ"
+#define AO_CONFIG_DEFAULT_ACCEL_ZERO_G 16000
+
+static void
+_ao_config_put(void)
+{
+ ao_ee_write_config((uint8_t *) &ao_config, sizeof (ao_config));
+}
+
+static void
+_ao_config_get(void)
+{
+ if (ao_config_loaded)
+ return;
+ ao_ee_read_config((uint8_t *) &ao_config, sizeof (ao_config));
+ if (ao_config.major != AO_CONFIG_MAJOR) {
+ ao_config.major = AO_CONFIG_MAJOR;
+ ao_config.minor = AO_CONFIG_MINOR;
+ ao_config.main_deploy = AO_CONFIG_DEFAULT_MAIN_DEPLOY;
+ ao_config.radio_channel = AO_CONFIG_DEFAULT_RADIO_CHANNEL;
+ ao_config.accel_zero_g = AO_CONFIG_DEFAULT_ACCEL_ZERO_G;
+ memset(&ao_config.callsign, '\0', sizeof (ao_config.callsign));
+ memcpy(&ao_config.callsign, AO_CONFIG_DEFAULT_CALLSIGN,
+ sizeof(AO_CONFIG_DEFAULT_CALLSIGN) - 1);
+ ao_config_dirty = 1;
+ }
+ /* deal with minor version issues here, at 0 we haven't any */
+ ao_config_loaded = 1;
+}
+
+void
+ao_config_get(void)
+{
+ ao_mutex_get(&ao_config_mutex);
+ _ao_config_get();
+ ao_mutex_put(&ao_config_mutex);
+}
+
+void
+ao_config_callsign_show(void)
+{
+ printf ("Callsign: \"%s\"\n", ao_config.callsign);
+}
+
+void
+ao_config_callsign_set(void) __reentrant
+{
+ uint8_t c;
+ char callsign[AO_MAX_CALLSIGN + 1];
+
+ ao_cmd_white();
+ c = 0;
+ while (ao_cmd_lex_c != '\n') {
+ if (c < AO_MAX_CALLSIGN)
+ callsign[c++] = ao_cmd_lex_c;
+ else
+ ao_cmd_status = ao_cmd_lex_error;
+ ao_cmd_lex();
+ }
+ if (ao_cmd_status != ao_cmd_success)
+ return;
+ ao_mutex_get(&ao_config_mutex);
+ _ao_config_get();
+ memcpy(&ao_config.callsign, &callsign,
+ AO_MAX_CALLSIGN + 1);
+ ao_config_dirty = 1;
+ ao_mutex_put(&ao_config_mutex);
+ ao_config_callsign_show();
+}
+
+void
+ao_config_radio_channel_show(void) __reentrant
+{
+ uint32_t freq = 435550L + ao_config.radio_channel * 100L;
+ uint16_t mhz = freq / 1000L;
+ uint16_t khz = freq % 1000L;
+
+ printf("Radio channel: %d (%d.%03dMHz)\n",
+ ao_config.radio_channel, mhz, khz);
+}
+
+void
+ao_config_radio_channel_set(void) __reentrant
+{
+ ao_cmd_decimal();
+ if (ao_cmd_status != ao_cmd_success)
+ return;
+ ao_mutex_get(&ao_config_mutex);
+ _ao_config_get();
+ ao_config.radio_channel = ao_cmd_lex_i;
+ ao_config_dirty = 1;
+ ao_mutex_put(&ao_config_mutex);
+ ao_config_radio_channel_show();
+}
+
+void
+ao_config_main_deploy_show(void) __reentrant
+{
+ printf("Main deploy set to %d meters (%d feet)\n",
+ ao_config.main_deploy,
+ (int16_t) ((int32_t) ao_config.main_deploy * 328 / 100));
+}
+
+void
+ao_config_main_deploy_set(void) __reentrant
+{
+ ao_cmd_decimal();
+ if (ao_cmd_status != ao_cmd_success)
+ return;
+ ao_mutex_get(&ao_config_mutex);
+ _ao_config_get();
+ ao_config.main_deploy = ao_cmd_lex_i;
+ ao_config_dirty = 1;
+ ao_mutex_put(&ao_config_mutex);
+ ao_config_main_deploy_show();
+}
+
+void
+ao_config_accel_zero_g_show(void) __reentrant
+{
+ printf("Accel zero g point set to %d\n",
+ ao_config.accel_zero_g);
+}
+
+#define ZERO_G_SAMPLES 1000
+
+static int16_t
+ao_config_accel_zero_g_auto(void) __reentrant
+{
+ uint16_t i;
+ int32_t accel_total;
+ uint8_t cal_adc_ring;
+
+ puts("Calibrating accelerometer..."); flush();
+ i = ZERO_G_SAMPLES;
+ accel_total = 0;
+ cal_adc_ring = ao_adc_head;
+ while (i) {
+ ao_sleep(&ao_adc_ring);
+ while (i && cal_adc_ring != ao_adc_head) {
+ accel_total += (int32_t) ao_adc_ring[cal_adc_ring].accel;
+ cal_adc_ring = ao_adc_ring_next(cal_adc_ring);
+ i--;
+ }
+ }
+ return (int16_t) (accel_total / ZERO_G_SAMPLES);
+}
+void
+ao_config_accel_zero_g_set(void) __reentrant
+{
+ ao_cmd_decimal();
+ if (ao_cmd_status != ao_cmd_success)
+ return;
+ if (ao_cmd_lex_i == 0)
+ ao_cmd_lex_i = ao_config_accel_zero_g_auto();
+ ao_mutex_get(&ao_config_mutex);
+ _ao_config_get();
+ ao_config.accel_zero_g = ao_cmd_lex_i;
+ ao_config_dirty = 1;
+ ao_mutex_put(&ao_config_mutex);
+ ao_config_accel_zero_g_show();
+}
+
+struct ao_config_var {
+ uint8_t cmd;
+ void (*set)(void) __reentrant;
+ void (*show)(void) __reentrant;
+ const char *help;
+};
+
+void
+ao_config_help(void) __reentrant;
+
+void
+ao_config_show(void) __reentrant;
+
+void
+ao_config_write(void) __reentrant;
+
+__code struct ao_config_var ao_config_vars[] = {
+ { 'm', ao_config_main_deploy_set, ao_config_main_deploy_show,
+ "m <meters> Set height above launch for main deploy (in meters)" },
+ { 'a', ao_config_accel_zero_g_set, ao_config_accel_zero_g_show,
+ "a <value> Set accelerometer zero g point (0 for auto)" },
+ { 'r', ao_config_radio_channel_set, ao_config_radio_channel_show,
+ "r <channel> Set radio channel (freq = 434.550 + channel * .1)" },
+ { 'c', ao_config_callsign_set, ao_config_callsign_show,
+ "c <call> Set callsign broadcast in each packet (8 char max)" },
+ { 's', ao_config_show, ao_config_show,
+ "s Show current config values" },
+ { 'w', ao_config_write, ao_config_write,
+ "w Write current values to eeprom" },
+ { '?', ao_config_help, ao_config_help,
+ "? Show available config variables" },
+ { 0, ao_config_main_deploy_set, ao_config_main_deploy_show,
+ NULL },
+};
+
+void
+ao_config_set(void)
+{
+ uint8_t c;
+ uint8_t cmd;
+ void (*__xdata func)(void) __reentrant;
+
+ ao_cmd_white();
+ c = ao_cmd_lex_c;
+ ao_cmd_lex();
+ func = 0;
+ for (cmd = 0; ao_config_vars[cmd].cmd != '\0'; cmd++)
+ if (ao_config_vars[cmd].cmd == c) {
+ func = ao_config_vars[cmd].set;
+ break;
+ }
+ if (func)
+ (*func)();
+ else
+ ao_cmd_status = ao_cmd_syntax_error;
+}
+
+void
+ao_config_help(void) __reentrant
+{
+ uint8_t cmd;
+ for (cmd = 0; ao_config_vars[cmd].cmd != '\0'; cmd++)
+ puts (ao_config_vars[cmd].help);
+}
+
+void
+ao_config_show(void) __reentrant
+{
+ uint8_t cmd;
+ for (cmd = 0; ao_config_vars[cmd].cmd != '\0'; cmd++)
+ if (ao_config_vars[cmd].show != ao_config_vars[cmd].set)
+ (*ao_config_vars[cmd].show)();
+}
+
+void
+ao_config_write(void) __reentrant
+{
+ ao_mutex_get(&ao_config_mutex);
+ if (ao_config_dirty) {
+ _ao_config_put();
+ ao_config_dirty = 0;
+ printf("Saved\n");
+ }
+ ao_mutex_put(&ao_config_mutex);
+}
+
+__code struct ao_cmds ao_config_cmds[] = {
+ { 'c', ao_config_set, "c <var> <value> Set config variable (? for help, s to show)" },
+ { '\0', ao_config_set, NULL },
+};
+
+void
+ao_config_init(void)
+{
+ ao_cmd_register(&ao_config_cmds[0]);
+}