forked from xuos/xiuos
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 2020 AIIT XUOS Lab
|
|
* XiUOS is licensed under Mulan PSL v2.
|
|
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
|
* You may obtain a copy of Mulan PSL v2 at:
|
|
* http://license.coscl.org.cn/MulanPSL2
|
|
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
|
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
|
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
|
* See the Mulan PSL v2 for more details.
|
|
*/
|
|
|
|
/**
|
|
* @file: test_i2c.c
|
|
* @brief: a application of i2c function
|
|
* @version: 1.1
|
|
* @author: AIIT XUOS Lab
|
|
* @date: 2022/12/17
|
|
*/
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <transform.h>
|
|
#ifdef ADD_XIZI_FEATURES
|
|
|
|
#define I2C_SLAVE_ADDRESS 0x0012U
|
|
|
|
int OpenIic(void)
|
|
{
|
|
int iic_fd = PrivOpen(I2C_DEV_DRIVER, O_RDWR);
|
|
if (iic_fd < 0)
|
|
{
|
|
printf("[TestI2C] Open iic_fd fd error: %d\n", iic_fd);
|
|
return -ERROR;
|
|
}
|
|
printf("[TestI2C] IIC open successful!\n");
|
|
|
|
uint16 iic_address = I2C_SLAVE_ADDRESS;
|
|
|
|
struct PrivIoctlCfg ioctl_cfg;
|
|
ioctl_cfg.ioctl_driver_type = I2C_TYPE;
|
|
ioctl_cfg.args = (void *)&iic_address;
|
|
|
|
if (0 != PrivIoctl(iic_fd, OPE_INT, &ioctl_cfg))
|
|
{
|
|
printf("[TestI2C] Ioctl iic fd error %d\n", iic_fd);
|
|
PrivClose(iic_fd);
|
|
return -ERROR;
|
|
}
|
|
printf("IIC configure successful!\n");
|
|
|
|
return iic_fd;
|
|
}
|
|
|
|
static const int nr_transmit = 15;
|
|
|
|
void TestMasterI2c(void)
|
|
{
|
|
char recv_buff[13] = { 0 };
|
|
|
|
int iic_fd = OpenIic();
|
|
if (iic_fd < 0) {
|
|
printf("[%s] Error open iic\n", __func__);
|
|
return;
|
|
}
|
|
|
|
for (int transmit_cnt = 0; transmit_cnt < nr_transmit; transmit_cnt++) {
|
|
// wait if you like.
|
|
PrivTaskDelay(500);
|
|
memset(recv_buff, 0, sizeof(recv_buff));
|
|
PrivRead(iic_fd, recv_buff, sizeof(recv_buff));
|
|
printf("[%s] Msg recv: %s\n", __func__, recv_buff);
|
|
}
|
|
|
|
PrivClose(iic_fd);
|
|
}
|
|
|
|
void TestSlaveI2c(void)
|
|
{
|
|
char send_buff[] = "Hello, World";
|
|
|
|
int iic_fd = OpenIic();
|
|
|
|
for (int transmit_cnt = 0; transmit_cnt < nr_transmit; transmit_cnt++) {
|
|
// wait if you like.
|
|
PrivTaskDelay(500);
|
|
PrivWrite(iic_fd, send_buff, sizeof(send_buff));
|
|
printf("[%s] Msg send: %s\n", __func__, send_buff);
|
|
}
|
|
|
|
PrivClose(iic_fd);
|
|
}
|
|
|
|
PRIV_SHELL_CMD_FUNCTION(TestMasterI2c, a iic test sample, PRIV_SHELL_CMD_MAIN_ATTR);
|
|
PRIV_SHELL_CMD_FUNCTION(TestSlaveI2c, a iic test sample, PRIV_SHELL_CMD_MAIN_ATTR);
|
|
|
|
#endif |