37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include <time.h>
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#include "driver/gpio.h"
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#include "driver/uart.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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typedef struct {
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uart_port_t uart_port;
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gpio_num_t tx_pin;
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gpio_num_t rx_pin;
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gpio_num_t pps_pin;
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} gps_sync_config_t;
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typedef struct {
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int64_t monotonic_us; // Microseconds - never jumps backward
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int64_t monotonic_ms; // Milliseconds - for easier logging
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int64_t gps_us; // GPS UTC time in microseconds
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int64_t gps_ms; // GPS UTC time in milliseconds
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struct timespec mono_ts; // POSIX timespec
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bool synced; // true if GPS has valid fix
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} gps_timestamp_t;
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void gps_sync_init(const gps_sync_config_t *config, bool use_gps_log_timestamps);
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void gps_force_next_update(void);
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gps_timestamp_t gps_get_timestamp(void);
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int64_t gps_get_monotonic_ms(void);
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bool gps_is_synced(void);
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// Internal logging hooks
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uint32_t gps_log_timestamp(void);
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int gps_log_vprintf(const char *fmt, va_list args);
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