C++ (Cpp) onlp_i2c_readw示例

示例#1

文件： platform_lib.c 项目： carlroth/OpenNetworkLinux

/* Lock function */
int dni_i2c_lock_read( mux_info_t * mux_info, dev_info_t * dev_info)
{
    int r_data=0;

    pthread_mutex_lock(&mutex);
    if(mux_info != NULL)
    {
        char cpld_path[100] = {0};
        sprintf(cpld_path, "%s/%d-%04x", SYS_DEV_PATH, mux_info->bus, mux_info->addr);
        dni_lock_cpld_write_attribute(cpld_path, mux_info->offset, mux_info->channel);
    }
    
    if(dev_info->size == 1)
        r_data = onlp_i2c_readb(dev_info->bus, dev_info->addr, dev_info->offset, dev_info->flags);
    else
        r_data = onlp_i2c_readw(dev_info->bus, dev_info->addr, dev_info->offset, dev_info->flags);
    pthread_mutex_unlock(&mutex); 

    return r_data;
}

示例#2

文件： i2c.c 项目： haiyanchuanchuan/OpenNetworkLinux

int
onlp_i2c_dev_readw(onlp_i2c_dev_t* dev,
                   uint8_t offset, uint32_t flags)
{
    int error, rv;

    if( (error = dev_mux_channels_select__(dev, flags)) < 0) {
        return error;
    }

    if( (rv = onlp_i2c_readw(dev->bus, dev->addr, offset, flags)) < 0) {
        AIM_LOG_ERROR("Device %s: readw() failed: %d",
                      dev->name, rv);
        return rv;
    }

    if( (error = dev_mux_channels_deselect__(dev, flags)) < 0) {
        return error;
    }

    return rv;
}

示例#3

文件： sfpi.c 项目： carlroth/OpenNetworkLinux

int
onlp_sfpi_dev_readw(int port, uint8_t devaddr, uint8_t addr)
{
    int bus = FRONT_PORT_TO_MUX_INDEX(port);
    return onlp_i2c_readw(bus, devaddr, addr, ONLP_I2C_F_FORCE);
}

示例#4

文件： sfpi.c 项目： opencomputeproject/OpenNetworkLinux

int
onlp_sfpi_dev_readw(int port, uint8_t devaddr, uint8_t addr)
{
    int bus = front_port_to_cpld_mux_index(port);
    return onlp_i2c_readw(bus, devaddr, addr, ONLP_I2C_F_FORCE);
}

示例#5

文件： sfpi.c 项目： brandonchuang/OpenNetworkLinux

int
onlp_sfpi_dev_readw(int port, uint8_t devaddr, uint8_t addr)
{
    int bus = onlp_sfpi_map_bus_index(port);
    return onlp_i2c_readw(bus, devaddr, addr, ONLP_I2C_F_FORCE);
}