ax100_tx.c File Reference

#include "main.h"
#include "comms_drivers/ax100_tx.h"
#include "comms_drivers/ax100_hw.h"
#include "log/log.h"
#include "debug_tools/debug_uart.h"
#include "rtos_tasks/rtos_bootup_operation_fsm_task.h"
#include "comms_drivers/rf_antenna_switch.h"
#include <string.h>
#include <stdint.h>

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Functions
static void	prepend_csp_header (uint8_t *destination, uint8_t *data, uint32_t data_len)
	Write the csp header (4 bytes) to the beginning of the packet, then copy the rest of data into destination.
static uint8_t	send_bytes_to_ax100 (uint8_t *packet, uint16_t packet_size)
	Send a csp packet over i2c to the AX100 for downlink.
uint8_t	AX100_downlink_bytes (uint8_t *data, uint16_t data_len)
	Send data to the ax100 for downlink.

Variables
uint32_t	AX100_enable_downlink_uart_logs = 0
	When enabled, the radio packets will be sent to the Debug UART for debugging purposes.
uint32_t	AX100_enable_downlink_inhibited_uart_logs = 1
	When enabled, log messages like "Downlink inhibited: ..." will be sent to the Debug UART.
static const uint32_t	csp_priority = 3u << 30
static const uint32_t	own_csp_addr = 1u << 25
static const uint32_t	ground_station_csp_addr = 10u << 20
static const uint32_t	ground_station_csp_port = 10u << 14
static const uint32_t	own_csp_port = 10u << 8
static const uint32_t	use_hmac = 0 << 3
static const uint32_t	use_xtea = 0 << 2
static const uint32_t	use_rdp = 0 << 1
static const uint32_t	use_crc = 0
static const uint32_t	AX100_i2c_tx_timeout_ms = 100
static uint8_t	packet_buffer_including_csp_header [AX100_DOWNLINK_MAX_BYTES+AX100_CSP_HEADER_LENGTH_BYTES]

Function Documentation

AX100_downlink_bytes()

uint8_t AX100_downlink_bytes	(	uint8_t *	data,
		uint16_t	data_len )

Send data to the ax100 for downlink.

Parameters

data	pointer to the data to downlink
data_len	length of the data

Returns

0 on success, >0 on error/failure

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prepend_csp_header()

static void prepend_csp_header ( uint8_t * destination, uint8_t * data, uint32_t data_len )

static

Write the csp header (4 bytes) to the beginning of the packet, then copy the rest of data into destination.

Parameters

destination	where the assembled packet will be stored
data	data to place in the packet
data_len	length of data

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send_bytes_to_ax100()

static uint8_t send_bytes_to_ax100 ( uint8_t * packet, uint16_t packet_size )

static

Send a csp packet over i2c to the AX100 for downlink.

Note

Only use in this file.

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Variable Documentation

AX100_enable_downlink_inhibited_uart_logs

uint32_t AX100_enable_downlink_inhibited_uart_logs = 1

When enabled, log messages like "Downlink inhibited: ..." will be sent to the Debug UART.

Note

Logs are important to ensure that radio downlinks aren't sent before the antenna is deployed. These logs get very annoying though, so they can be turned off with this variable.

Only useful for configuration in ground testing.

AX100_enable_downlink_uart_logs

uint32_t AX100_enable_downlink_uart_logs = 0

When enabled, the radio packets will be sent to the Debug UART for debugging purposes.

Note

Only useful for configuration in ground testing.

AX100_i2c_tx_timeout_ms

const uint32_t AX100_i2c_tx_timeout_ms = 100

static

csp_priority

const uint32_t csp_priority = 3u << 30

static

ground_station_csp_addr

const uint32_t ground_station_csp_addr = 10u << 20

static

ground_station_csp_port

const uint32_t ground_station_csp_port = 10u << 14

static

own_csp_addr

const uint32_t own_csp_addr = 1u << 25

static

own_csp_port

const uint32_t own_csp_port = 10u << 8

static

packet_buffer_including_csp_header

uint8_t packet_buffer_including_csp_header[AX100_DOWNLINK_MAX_BYTES+AX100_CSP_HEADER_LENGTH_BYTES]

static

use_crc

const uint32_t use_crc = 0

static

use_hmac

const uint32_t use_hmac = 0 << 3

static

use_rdp

const uint32_t use_rdp = 0 << 1

static

use_xtea

const uint32_t use_xtea = 0 << 2

static