diff options
Diffstat (limited to 'src/ao_config.c')
| -rw-r--r-- | src/ao_config.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/src/ao_config.c b/src/ao_config.c new file mode 100644 index 00000000..657c7a8a --- /dev/null +++ b/src/ao_config.c @@ -0,0 +1,287 @@ +/* + * 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 "KD7SQG" +#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(); + while (c < AO_MAX_CALLSIGN + 1) + callsign[c++] = '\0'; + 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 = 434550L + 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 { + char 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) +{ + char 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]); +} |