134 lines
4.2 KiB
C
134 lines
4.2 KiB
C
/** @file
|
|
I2C_demo.c
|
|
|
|
@brief
|
|
This file is demo of I2C.
|
|
|
|
*/
|
|
|
|
/*================================================================
|
|
Copyright (c) 2020 Quectel Wireless Solution, Co., Ltd. All Rights Reserved.
|
|
Quectel Wireless Solution Proprietary and Confidential.
|
|
=================================================================*/
|
|
/*=================================================================
|
|
|
|
EDIT HISTORY FOR MODULE
|
|
|
|
This section contains comments describing changes made to the module.
|
|
Notice that changes are listed in reverse chronological order.
|
|
|
|
WHEN WHO WHAT, WHERE, WHY
|
|
------------ ------- -------------------------------------------------------------------------------
|
|
|
|
=================================================================*/
|
|
|
|
/*===========================================================================
|
|
* include files
|
|
===========================================================================*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "ql_api_osi.h"
|
|
#include "ql_log.h"
|
|
#include "ql_api_camera.h"
|
|
#include "ql_i2c.h"
|
|
#include "I2C_demo.h"
|
|
|
|
/*===========================================================================
|
|
* Macro Definition
|
|
===========================================================================*/
|
|
|
|
#define QL_APP_I2C_LOG_LEVEL QL_LOG_LEVEL_INFO
|
|
#define QL_APP_I2C_LOG(msg, ...) QL_LOG(QL_APP_I2C_LOG_LEVEL, "QL_APP_I2C", msg, ##__VA_ARGS__)
|
|
#define QL_APP_I2C_LOG_PUSH(msg, ...) QL_LOG_PUSH("QL_APP_I2C", msg, ##__VA_ARGS__)
|
|
|
|
#define QL_I2C_TASK_STACK_SIZE 1024
|
|
#define QL_I2C_TASK_PRIO APP_PRIORITY_NORMAL
|
|
#define QL_I2C_TASK_EVENT_CNT 5
|
|
|
|
#define SalveAddr_w_8bit (0x42 >> 1)
|
|
#define SalveAddr_r_8bit (0x43 >> 1)
|
|
|
|
/*reserved*/
|
|
#define SalveAddr_w_16bit (0xff >> 1)
|
|
#define SalveAddr_r_16bit (0xff >> 1)
|
|
|
|
#define demo_for_8bit_or_16bit (1) //1:test 8bit register address 0:test 16bit register address
|
|
/*===========================================================================
|
|
* Struct
|
|
===========================================================================*/
|
|
|
|
/*===========================================================================
|
|
* Enum
|
|
===========================================================================*/
|
|
|
|
/*===========================================================================
|
|
* Variate
|
|
===========================================================================*/
|
|
|
|
/*===========================================================================
|
|
* Functions
|
|
===========================================================================*/
|
|
|
|
void ql_i2c_demo_thread(void *param)
|
|
{
|
|
#if demo_for_8bit_or_16bit
|
|
/*test 8bit register address*/
|
|
uint8_t read_data = 0;
|
|
uint8_t data = 0xaa;
|
|
|
|
/*operate the camera for the example*/
|
|
ql_CamInit(320, 240);
|
|
ql_CamPowerOn();
|
|
|
|
ql_I2cInit(i2c_1, STANDARD_MODE);
|
|
while(1)
|
|
{
|
|
QL_APP_I2C_LOG("I2C read_data = 0x%x", read_data);
|
|
ql_I2cRead(i2c_1, SalveAddr_r_8bit, 0xf0, &read_data, 1);
|
|
QL_APP_I2C_LOG("I2C read_data = 0x%x", read_data);
|
|
ql_I2cWrite(i2c_1, SalveAddr_w_8bit, 0x55, &data, 1);
|
|
read_data = 0;
|
|
ql_rtos_task_sleep_ms(200);
|
|
}
|
|
|
|
#else
|
|
|
|
/*test 16bit register address*/
|
|
uint8_t read_data = 0;
|
|
uint8_t data = 0xff;
|
|
|
|
/*set i2c pin function*/
|
|
ql_pin_set_func(41, 0);
|
|
ql_pin_set_func(42, 0);
|
|
|
|
ql_I2cInit(i2c_1, STANDARD_MODE);
|
|
while(1)
|
|
{
|
|
QL_APP_I2C_LOG("I2C read_data = 0x%x", read_data);
|
|
ql_I2cRead_16bit_addr(i2c_1, SalveAddr_r_16bit, 0xffff, &read_data, 1);
|
|
QL_APP_I2C_LOG("I2C read_data = 0x%x", read_data);
|
|
ql_I2cWrite_16bit_addr(i2c_1, SalveAddr_w_16bit, 0xffff, &data, 1);
|
|
read_data = 0;
|
|
ql_rtos_task_sleep_ms(200);
|
|
}
|
|
|
|
#endif
|
|
}
|
|
|
|
void ql_i2c_demo_init(void)
|
|
{
|
|
QlI2CStatus err = QL_OSI_SUCCESS;
|
|
ql_task_t i2c_task = NULL;
|
|
|
|
err = ql_rtos_task_create(&i2c_task, QL_I2C_TASK_STACK_SIZE, QL_I2C_TASK_PRIO, "I2C DEMO", ql_i2c_demo_thread, NULL, QL_I2C_TASK_EVENT_CNT);
|
|
if (err != QL_OSI_SUCCESS)
|
|
{
|
|
QL_APP_I2C_LOG("i2ctest1 demo task created failed");
|
|
}
|
|
}
|
|
|
|
|