driver tm1622 header file More...

#include <stdio.h>
#include <stdint.h>
#include <string.h>

Include dependency graph for driver_tm1622.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	tm1622_handle_s
	tm1622 handle structure definition More...
struct	tm1622_info_s
	tm1622 information structure definition More...

Macros
#define	TM1622_COMMAND_DATA_DELAY 3
	tm1622 command data delay definition
#define	DRIVER_TM1622_LINK_INIT(HANDLE, STRUCTURE)
	initialize tm1622_handle_t structure
#define	DRIVER_TM1622_LINK_DATA_GPIO_INIT(HANDLE, FUC)
	link data_gpio_init function
#define	DRIVER_TM1622_LINK_DATA_GPIO_DEINIT(HANDLE, FUC)
	link data_gpio_deinit function
#define	DRIVER_TM1622_LINK_DATA_GPIO_WRITE(HANDLE, FUC)
	link data_gpio_write function
#define	DRIVER_TM1622_LINK_DATA_GPIO_READ(HANDLE, FUC)
	link data_gpio_read function
#define	DRIVER_TM1622_LINK_WR_GPIO_INIT(HANDLE, FUC)
	link wr_gpio_init function
#define	DRIVER_TM1622_LINK_WR_GPIO_DEINIT(HANDLE, FUC)
	link wr_gpio_deinit function
#define	DRIVER_TM1622_LINK_WR_GPIO_WRITE(HANDLE, FUC)
	link wr_gpio_write function
#define	DRIVER_TM1622_LINK_RD_GPIO_INIT(HANDLE, FUC)
	link rd_gpio_init function
#define	DRIVER_TM1622_LINK_RD_GPIO_DEINIT(HANDLE, FUC)
	link rd_gpio_deinit function
#define	DRIVER_TM1622_LINK_RD_GPIO_WRITE(HANDLE, FUC)
	link rd_gpio_write function
#define	DRIVER_TM1622_LINK_CS_GPIO_INIT(HANDLE, FUC)
	link cs_gpio_init function
#define	DRIVER_TM1622_LINK_CS_GPIO_DEINIT(HANDLE, FUC)
	link cs_gpio_deinit function
#define	DRIVER_TM1622_LINK_CS_GPIO_WRITE(HANDLE, FUC)
	link cs_gpio_write function
#define	DRIVER_TM1622_LINK_DELAY_US(HANDLE, FUC)
	link delay_us function
#define	DRIVER_TM1622_LINK_DELAY_MS(HANDLE, FUC)
	link delay_ms function
#define	DRIVER_TM1622_LINK_DEBUG_PRINT(HANDLE, FUC)
	link debug_print function

Typedefs
typedef struct tm1622_handle_s	tm1622_handle_t
	tm1622 handle structure definition
typedef struct tm1622_info_s	tm1622_info_t
	tm1622 information structure definition

Enumerations
enum	tm1622_bool_t { TM1622_BOOL_FALSE = 0x00 , TM1622_BOOL_TRUE = 0x01 }
	tm1622 bool enumeration definition More...
enum	tm1622_mode_t { TM1622_MODE_NORMAL = 0x00 , TM1622_MODE_TEST = 0x01 }
	tm1622 mode enumeration definition More...
enum	tm1622_clock_t { TM1622_CLOCK_RC_32K = 0x01 , TM1622_CLOCK_EXT_32K = 0x02 }
	tm1622 clock enumeration definition More...
enum	tm1622_tone_freq_t { TM1622_TONE_FREQ_2K = 0x00 , TM1622_TONE_FREQ_4K = 0x01 }
	tm1622 tone freq enumeration definition More...
enum	tm1622_freq_t { TM1622_FREQ_F1 = 0x00 , TM1622_FREQ_F2 = 0x01 , TM1622_FREQ_F4 = 0x02 , TM1622_FREQ_F8 = 0x03 , TM1622_FREQ_F16 = 0x04 , TM1622_FREQ_F32 = 0x05 , TM1622_FREQ_F64 = 0x06 , TM1622_FREQ_F128 = 0x07 }
	tm1622 freq enumeration definition More...

Functions
uint8_t	tm1622_info (tm1622_info_t *info)
	get chip's information
uint8_t	tm1622_init (tm1622_handle_t *handle)
	initialize the chip
uint8_t	tm1622_deinit (tm1622_handle_t *handle)
	close the chip
uint8_t	tm1622_write_segment (tm1622_handle_t handle, uint8_t addr, uint8_t data, uint8_t len)
	write segment
uint8_t	tm1622_clear_segment (tm1622_handle_t *handle)
	clear segment
uint8_t	tm1622_set_oscillator (tm1622_handle_t *handle, tm1622_bool_t enable)
	enable or disable oscillator
uint8_t	tm1622_set_lcd_bias (tm1622_handle_t *handle, tm1622_bool_t enable)
	enable or disable lcd bias
uint8_t	tm1622_set_mode (tm1622_handle_t *handle, tm1622_mode_t mode)
	set mode
uint8_t	tm1622_set_clock (tm1622_handle_t *handle, tm1622_clock_t clk)
	set clock
uint8_t	tm1622_set_freq (tm1622_handle_t *handle, tm1622_freq_t freq)
	set freq
uint8_t	tm1622_set_tone_freq (tm1622_handle_t *handle, tm1622_tone_freq_t freq)
	set tone freq
uint8_t	tm1622_set_timer (tm1622_handle_t *handle, tm1622_bool_t enable)
	enable or disable timer
uint8_t	tm1622_set_watchdog (tm1622_handle_t *handle, tm1622_bool_t enable)
	enable or disable watchdog
uint8_t	tm1622_set_tone (tm1622_handle_t *handle, tm1622_bool_t enable)
	enable or disable tone
uint8_t	tm1622_set_irq (tm1622_handle_t *handle, tm1622_bool_t enable)
	enable or disable irq
uint8_t	tm1622_clear_timer (tm1622_handle_t *handle)
	clear timer
uint8_t	tm1622_clear_watchdog (tm1622_handle_t *handle)
	clear watchdog
uint8_t	tm1622_set_command (tm1622_handle_t *handle, uint16_t cmd)
	set command
uint8_t	tm1622_set_data (tm1622_handle_t handle, uint8_t addr, uint8_t data, uint8_t len)
	set data
uint8_t	tm1622_get_data (tm1622_handle_t handle, uint8_t addr, uint8_t data, uint8_t len)
	get data
uint8_t	tm1622_read_modify_write (tm1622_handle_t handle, uint8_t addr, void(and_or)(uint8_t addr, uint8_t lsb_msb, uint8_t input, uint8_t *output), uint8_t len)
	read modify write

Detailed Description

driver tm1622 header 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: 1.0.0

Author: Shifeng Li

Date: 2026-05-31

history

Date	Version	Author	Description
2026/05/31	1.0	Shifeng Li	first upload

Definition in file driver_tm1622.h.

Data Structures

Macros

Typedefs

Enumerations

Functions

Detailed Description

history