driver max7219 source file More...

#include "driver_max7219.h"

Macros
#define	CHIP_NAME "Maxim Integrated MAX7219"
	chip information definition More...

#define	MANUFACTURER_NAME "Maxim Integrated"

#define	SUPPLY_VOLTAGE_MIN 4.0f

#define	SUPPLY_VOLTAGE_MAX 5.5f

#define	MAX_CURRENT 320.0f

#define	TEMPERATURE_MIN -40.0f

#define	TEMPERATURE_MAX 85.0f

#define	DRIVER_VERSION 2000

#define	MAX7219_REG_DECODE 0x09
	chip register definition More...

#define	MAX7219_REG_INTENSITY 0x0A

#define	MAX7219_REG_SCAN_LIMIT 0x0B

#define	MAX7219_REG_SHUT_DOWN 0x0C

#define	MAX7219_REG_DISPLAY_TEST 0x0F

Functions
uint8_t	max7219_set_display (max7219_handle_t *handle, max7219_digital_t digital, uint8_t data)
	set the display content More...

uint8_t	max7219_set_matrix (max7219_handle_t *handle, uint8_t matrix[8])
	set the content matrix More...

uint8_t	max7219_set_cascade (max7219_handle_t handle, max7219_cascade_t cascade, uint16_t len)
	set the cascade data More...

uint8_t	max7219_set_decode (max7219_handle_t *handle, max7219_decode_t decode)
	set the decode mode More...

uint8_t	max7219_set_mode (max7219_handle_t *handle, max7219_mode_t mode)
	set the chip mode More...

uint8_t	max7219_set_display_test_mode (max7219_handle_t *handle, max7219_display_test_mode_t mode)
	set the display test mode More...

uint8_t	max7219_set_intensity (max7219_handle_t *handle, max7219_intensity_t intensity)
	set the display intensity More...

uint8_t	max7219_set_scan_limit (max7219_handle_t *handle, max7219_scan_limit_t limit)
	set the scan limit More...

uint8_t	max7219_init (max7219_handle_t *handle)
	initialize the chip More...

uint8_t	max7219_deinit (max7219_handle_t *handle)
	close the chip More...

uint8_t	max7219_set_reg (max7219_handle_t handle, uint8_t reg, uint8_t buf, uint16_t len)
	set the chip register More...

uint8_t	max7219_info (max7219_info_t *info)
	get chip's information More...

Detailed Description

driver max7219 source file

The MIT License (MIT)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Version: 2.0.0

Author: Shifeng Li

Date: 2021-03-22

history

Date	Version	Author	Description
2021/03/22	2.0	Shifeng Li	format the code
2020/12/05	1.0	Shifeng Li	first upload

Definition in file driver_max7219.c.

Macro Definition Documentation

◆ CHIP_NAME

#define CHIP_NAME "Maxim Integrated MAX7219"

chip information definition

chip name

Definition at line 43 of file driver_max7219.c.

◆ DRIVER_VERSION

#define DRIVER_VERSION 2000

driver version

Definition at line 50 of file driver_max7219.c.

◆ MANUFACTURER_NAME

#define MANUFACTURER_NAME "Maxim Integrated"

manufacturer name

Definition at line 44 of file driver_max7219.c.

◆ MAX7219_REG_DECODE

#define MAX7219_REG_DECODE 0x09

chip register definition

decode register

Definition at line 55 of file driver_max7219.c.

◆ MAX7219_REG_DISPLAY_TEST

#define MAX7219_REG_DISPLAY_TEST 0x0F

display test register

Definition at line 59 of file driver_max7219.c.

◆ MAX7219_REG_INTENSITY

#define MAX7219_REG_INTENSITY 0x0A

intensity register

Definition at line 56 of file driver_max7219.c.

◆ MAX7219_REG_SCAN_LIMIT

#define MAX7219_REG_SCAN_LIMIT 0x0B

scan limit register

Definition at line 57 of file driver_max7219.c.

◆ MAX7219_REG_SHUT_DOWN

#define MAX7219_REG_SHUT_DOWN 0x0C

shut down register

Definition at line 58 of file driver_max7219.c.

◆ MAX_CURRENT

#define MAX_CURRENT 320.0f

chip max current

Definition at line 47 of file driver_max7219.c.

◆ SUPPLY_VOLTAGE_MAX

#define SUPPLY_VOLTAGE_MAX 5.5f

chip max supply voltage

Definition at line 46 of file driver_max7219.c.

◆ SUPPLY_VOLTAGE_MIN

#define SUPPLY_VOLTAGE_MIN 4.0f

chip min supply voltage

Definition at line 45 of file driver_max7219.c.

◆ TEMPERATURE_MAX

#define TEMPERATURE_MAX 85.0f

chip max operating temperature

Definition at line 49 of file driver_max7219.c.

◆ TEMPERATURE_MIN

#define TEMPERATURE_MIN -40.0f

chip min operating temperature

Definition at line 48 of file driver_max7219.c.

Macros

Functions