max7456.c File Reference

Maxim MAX7456 single-channel monochrome on-screen display driver. More...

#include "std.h"
#include "mcu_periph/sys_time.h"
#include "mcu_periph/gpio.h"
#include "mcu_periph/spi.h"
#include "generated/flight_plan.h"
#include "generated/airframe.h"
#include "autopilot.h"
#include "subsystems/electrical.h"
#include "state.h"
#include "firmwares/rotorcraft/navigation.h"
#include "modules/display/max7456.h"
#include "modules/display/max7456_regs.h"

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Macros
#define	OSD_STRING_SIZE   31
#define	osd_sprintf   _osd_sprintf

Enumerations
enum	max7456_osd_status_codes {   OSD_UNINIT, OSD_INIT1, OSD_INIT2, OSD_INIT3,   OSD_INIT4, OSD_READ_STATUS, OSD_IDLE, OSD_S_STEP1,   OSD_S_STEP2, OSD_S_STEP3, OSD_FINISHED }
enum	osd_attributes { BLINK = OSD_BLINK_CHAR, INVERT = OSD_INVERT_PIXELS }

Functions
static char	ascii_to_osd_c (char c)
static void	osd_put_s (char *string, uint8_t attributes, uint8_t char_nb, uint8_t row, uint8_t column)
static bool	_osd_sprintf (char *buffer, char *string, float value)
void	max7456_init (void)
void	max7456_periodic (void)
void	max7456_event (void)

Variables
struct spi_transaction	max7456_trans
uint8_t	osd_spi_tx_buffer [2]
uint8_t	osd_spi_rx_buffer [2]
char	osd_string [OSD_STRING_SIZE]
char	osd_str_buf [OSD_STRING_SIZE]
char	osd_char = ' '
uint8_t	step = 0
uint16_t	osd_char_address = 0
uint8_t	osd_attr = false
uint8_t	max7456_osd_status = OSD_UNINIT
uint8_t	osd_enable = true
uint8_t	osd_enable_val = OSD_IMAGE_ENABLE
uint8_t	osd_stat_reg = 0
bool	osd_stat_reg_valid = false

Detailed Description

Maxim MAX7456 single-channel monochrome on-screen display driver.

Definition in file max7456.c.

Macro Definition Documentation

#define osd_sprintf   _osd_sprintf

Definition at line 53 of file max7456.c.

Referenced by max7456_periodic().

#define OSD_STRING_SIZE   31

Definition at line 52 of file max7456.c.

Referenced by osd_put_s().

Enumeration Type Documentation

enum max7456_osd_status_codes

Enumerator
OSD_UNINIT
OSD_INIT1
OSD_INIT2
OSD_INIT3
OSD_INIT4
OSD_READ_STATUS
OSD_IDLE
OSD_S_STEP1
OSD_S_STEP2
OSD_S_STEP3
OSD_FINISHED

Definition at line 70 of file max7456.c.

enum osd_attributes

Enumerator
BLINK
INVERT

Definition at line 84 of file max7456.c.

Function Documentation

static bool _osd_sprintf ( char *  buffer, char *  string, float  value  )

static

Definition at line 369 of file max7456.c.

References osd_string.

static char ascii_to_osd_c ( char  c )

static

Definition at line 277 of file max7456.c.

Referenced by osd_put_s().

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void max7456_event

(

void

)

Definition at line 205 of file max7456.c.

References spi_transaction::input_buf, spi_transaction::input_length, max7456_osd_status, max7456_trans, osd_attr, OSD_AUTO_INCREMENT_MODE, osd_char_address, OSD_DMAL_REG, OSD_DMM_REG, osd_enable_val, OSD_FINISHED, OSD_IDLE, OSD_INIT1, OSD_INIT2, OSD_INIT3, OSD_INIT4, OSD_OSDBL_REG, OSD_READ_STATUS, OSD_S_STEP1, OSD_S_STEP2, OSD_S_STEP3, osd_stat_reg, osd_stat_reg_valid, osd_string, OSD_VIDEO_MODE_PAL, OSD_VM0_REG, spi_transaction::output_buf, spi_transaction::output_length, spi_submit(), SPITransDone, SPITransSuccess, and spi_transaction::status.

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void max7456_init

(

void

)

Definition at line 95 of file max7456.c.

References spi_transaction::after_cb, spi_transaction::before_cb, spi_transaction::bitorder, spi_transaction::cdiv, spi_transaction::cpha, spi_transaction::cpol, spi_transaction::dss, spi_transaction::input_buf, spi_transaction::input_length, max7456_osd_status, max7456_trans, osd_enable, osd_enable_val, OSD_IMAGE_ENABLE, osd_spi_rx_buffer, osd_spi_tx_buffer, OSD_UNINIT, spi_transaction::output_buf, spi_transaction::output_length, spi_transaction::select, spi_transaction::slave_idx, SPICphaEdge1, SPICpolIdleLow, SPIDiv64, SPIDss8bit, SPIMSBFirst, and SPISelectUnselect.

void max7456_periodic

(

void

)

Definition at line 119 of file max7456.c.

References BLINK, electrical, FALSE, GetPosAlt, State::h_speed_dir_f, State::h_speed_norm_f, spi_transaction::input_length, INVERT, LOW_BAT_LEVEL, max7456_osd_status, max7456_trans, osd_enable, osd_enable_val, OSD_IDLE, OSD_INIT1, OSD_INIT2, OSD_INIT3, OSD_OSDBL_REG_R, osd_put_s(), OSD_RESET, osd_sprintf, osd_string, OSD_UNINIT, OSD_VM0_REG, spi_transaction::output_buf, spi_transaction::output_length, spi_submit(), SPITransDone, state, stateGetSpeedEnu_f(), spi_transaction::status, step, and Electrical::vsupply.

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static void osd_put_s ( char *  string, uint8_t  attributes, uint8_t  char_nb, uint8_t  row, uint8_t  column  )

static

Definition at line 318 of file max7456.c.

References ascii_to_osd_c(), max7456_osd_status, max7456_trans, osd_attr, osd_char_address, OSD_DMAH_REG, OSD_IDLE, OSD_S_STEP1, osd_string, OSD_STRING_SIZE, spi_transaction::output_buf, spi_transaction::output_length, and spi_submit().

Referenced by max7456_periodic().

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Variable Documentation

uint8_t max7456_osd_status = OSD_UNINIT

Definition at line 89 of file max7456.c.

Referenced by max7456_event(), max7456_init(), max7456_periodic(), and osd_put_s().

struct spi_transaction max7456_trans

Definition at line 59 of file max7456.c.

Referenced by max7456_event(), max7456_init(), max7456_periodic(), and osd_put_s().

uint8_t osd_attr = false

Definition at line 68 of file max7456.c.

Referenced by max7456_event(), and osd_put_s().

char osd_char = ' '

Definition at line 65 of file max7456.c.

uint16_t osd_char_address = 0

Definition at line 67 of file max7456.c.

Referenced by max7456_event(), and osd_put_s().

uint8_t osd_enable = true

Definition at line 90 of file max7456.c.

Referenced by max7456_init(), and max7456_periodic().

uint8_t osd_enable_val = OSD_IMAGE_ENABLE

Definition at line 91 of file max7456.c.

Referenced by max7456_event(), max7456_init(), and max7456_periodic().

uint8_t osd_spi_rx_buffer[2]

Definition at line 62 of file max7456.c.

Referenced by max7456_init().

uint8_t osd_spi_tx_buffer[2]

Definition at line 61 of file max7456.c.

Referenced by max7456_init().

uint8_t osd_stat_reg = 0

Definition at line 92 of file max7456.c.

Referenced by max7456_event().

bool osd_stat_reg_valid = false

Definition at line 93 of file max7456.c.

Referenced by max7456_event().

char osd_str_buf[OSD_STRING_SIZE]

Definition at line 64 of file max7456.c.

char osd_string[OSD_STRING_SIZE]

Definition at line 63 of file max7456.c.

Referenced by _osd_sprintf(), max7456_event(), max7456_periodic(), and osd_put_s().

uint8_t step = 0

Definition at line 66 of file max7456.c.

Referenced by max7456_periodic().