kopia lustrzana https://github.com/bristol-seds/pico-tracker
Added pips, now outputs full rsid / contestia telemetry
Richard Meadows
rodzic
67719ea8b5
commit
d985c90dfc
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@ -0,0 +1,38 @@
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/*
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* Definitions for telemetry pips
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* Copyright (C) 2015 Richard Meadows <richardeoin>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef PIPS_H
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#define PIPS_H
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/**
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* 10ms pips, once per second
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*/
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#define PIPS_RATE 1
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#define PIPS_LENGTH_MS 50
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#define PIPS_ON_FREQUENCY (1000 / PIPS_LENGTH_MS)
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#define PIPS_OFF_FREQUENCY PIPS_RATE
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#endif /* PIPS_H */
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@ -54,6 +54,7 @@ void telemetry_set_length(int32_t length);
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float timer0_tick_init(float frequency);
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void timer0_tick_frequency(float frequency);
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void timer0_tick_deinit();
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void telemetry_gpio1_pwm_init(void);
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void telemetry_gpio1_pwm_duty(float duty_cycle);
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@ -170,7 +170,6 @@ void output_telemetry_string(void)
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while (gps_update_time_pending()) {
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system_sleep();
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}
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// for (int i = 0; i < 100*1000; i++);
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/* Time */
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struct ubx_nav_timeutc time = gps_get_nav_timeutc();
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@ -189,7 +188,18 @@ void output_telemetry_string(void)
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/* swap buffers */
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ARRAY_DBUFFER_SWAP(&telemetry_dbuffer_string);
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/* start - SI NOW BELONGS TO TELEMETRY, WE CANNOT ACCESS */
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/* RSID */
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/* start - SI NOW BELONGS TO TELEMETRY, WE CANNOT ACCESS */
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#ifdef CONTESTIA
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telemetry_start_rsid(RSID_CONTESTIA_32_1000);
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#endif
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/* Sleep Wait for RSID to be done */
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while (telemetry_active()) {
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system_sleep();
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}
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#ifdef RTTY
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telemetry_start(TELEMETRY_RTTY);
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#endif
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@ -210,9 +220,9 @@ void output_telemetry_string(void)
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/* Request updates from the gps */
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gps_update_position();
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if (gps_is_locked()) {
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led_on();
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// led_on();
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} else {
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led_off();
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// led_off();
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}
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/* Wait for the gps update. Move on if it's urgent */
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@ -221,9 +231,9 @@ void output_telemetry_string(void)
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}
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if (gps_is_locked()) {
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led_off();
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// led_off();
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} else {
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led_on();
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// led_on();
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}
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/* GPS Status */
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@ -316,7 +326,7 @@ int main(void)
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/* Initialise Si4060 interface */
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si_trx_init();
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led_on();
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// led_on();
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while (1) {
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@ -324,9 +334,10 @@ int main(void)
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//wdt_reset_count();
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/* Send the next packet */
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//output_telemetry_string();
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output_telemetry_string();
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telemetry_start_rsid(RSID_CONTESTIA_32_1000);
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telemetry_start(TELEMETRY_PIPS);
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telemetry_set_length(5);
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/* Sleep Wait */
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while (telemetry_active()) {
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@ -30,6 +30,7 @@
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#include "rtty.h"
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#include "contestia.h"
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#include "rsid.h"
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#include "pips.h"
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#include "si_trx.h"
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#include "si_trx_defs.h"
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#include "system/gclk.h"
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@ -38,6 +39,25 @@
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#include "tc/tc_driver.h"
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#include "hw_config.h"
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#include "system/port.h"
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/**
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* Turns the status LED on
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*/
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static inline void led_on(void)
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{
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port_pin_set_output_level(LED0_PIN, 0); /* LED is active low */
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}
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/**
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* Turns the status lED off
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*/
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static inline void led_off(void)
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{
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port_pin_set_output_level(LED0_PIN, 1); /* LED is active low */
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}
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/**
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* CYCLIC REDUNDANCY CHECK (CRC)
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* =============================================================================
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@ -136,8 +156,13 @@ int telemetry_start(enum telemetry_t type) {
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case TELEMETRY_RTTY:
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timer0_tick_init(RTTY_BITRATE);
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break;
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case TELEMETRY_PIPS:
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timer0_tick_init(PIPS_OFF_FREQUENCY);
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break;
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case TELEMETRY_APRS:
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case TELEMETRY_RSID: /* Not used - see function below */
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break;
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}
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return 0; /* Success */
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} else {
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return 1; /* Already active */
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@ -168,7 +193,6 @@ int telemetry_start_rsid(rsid_code_t rsid) {
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}
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}
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/**
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* Returns the index of the current byte being outputted from the buffer
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*/
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@ -272,6 +296,22 @@ void telemetry_tick(void) {
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telemetry_gpio1_pwm_deinit();
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return;
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}
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break;
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case TELEMETRY_PIPS: /* ---- ---- A pips mode! */
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if (!radio_on) { /* Turn on */
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/* Pips: Cw */
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si_trx_on(SI_MODEM_MOD_TYPE_CW); radio_on = 1;
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timer0_tick_frequency(PIPS_ON_FREQUENCY);
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} else { /* Turn off */
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si_trx_off(); radio_on = 0;
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timer0_tick_frequency(PIPS_OFF_FREQUENCY);
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telemetry_index++;
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if (is_telemetry_finished()) return;
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}
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}
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}
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}
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@ -308,6 +348,8 @@ float timer0_tick_init(float frequency)
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{
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//si_gclk_setup();
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led_on();
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/* Calculate the wrap value for the given frequency */
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//float gclk_frequency = SI406X_TCXO_FREQUENCY;
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float gclk_frequency = (float)system_gclk_chan_get_hz(0);
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@ -328,7 +370,7 @@ float timer0_tick_init(float frequency)
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false, /* Oneshot */
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true, /* Run in standby */
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0x0000, /* Initial value */
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count, /* Top value */
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0x0000, /* Top value */
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t0_capture_channel_enables, /* Capture Channel Enables */
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t0_compare_channel_values); /* Compare Channels Values */
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@ -350,6 +392,19 @@ float timer0_tick_init(float frequency)
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/* Return the frequency we actually initialised */
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return gclk_frequency / (float)count;
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}
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/**
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* Changes the timer0 frequency
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*/
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void timer0_tick_frequency(float frequency)
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{
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float gclk_frequency = (float)system_gclk_chan_get_hz(0);
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uint32_t count = (uint32_t)(gclk_frequency / frequency);
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tc_set_compare_value(TC0,
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TC_COMPARE_CAPTURE_CHANNEL_0,
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count);
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tc_set_count_value(TC0, 0);
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}
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/**
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* Disables the timer
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*/
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@ -358,8 +413,6 @@ void timer0_tick_deinit()
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tc_stop_counter(TC0);
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tc_disable(TC0);
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}
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/**
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* Called at the symbol rate
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*/
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