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  • uspace/lib/usb/src/drvpsync.c

    r11feca8 r90fb679  
    100100
    101101
    102 /** Perform complete control write transaction over USB.
    103  *
    104  * The DATA stage is performed only when @p data is not NULL and
    105  * @p data_size is greater than zero.
    106  *
    107  * @param phone Open phone to host controller.
    108  * @param target Target device and endpoint.
    109  * @param setup_packet Setup packet data.
    110  * @param setup_packet_size Size of the setup packet.
    111  * @param data Data to be sent.
    112  * @param data_size Size of the @p data buffer.
    113  * @return Error code.
    114  */
    115 int usb_drv_psync_control_write(int phone, usb_target_t target,
    116     void *setup_packet, size_t setup_packet_size,
    117     void *data, size_t data_size)
    118 {
    119         int rc;
    120        
    121         rc = usb_drv_psync_control_write_setup(phone, target,
    122             setup_packet, setup_packet_size);
    123         if (rc != EOK) {
    124                 return rc;
    125         }
    126 
    127         if ((data != NULL) && (data_size > 0)) {
    128                 rc = usb_drv_psync_control_write_data(phone, target,
    129                     data, data_size);
    130                 if (rc != EOK) {
    131                         return rc;
    132                 }
    133         }
    134 
    135         rc = usb_drv_psync_control_write_status(phone, target);
    136 
    137         return rc;
    138 }
    139 
    140102
    141103int usb_drv_psync_control_read_setup(int phone, usb_target_t target,
     
    175137}
    176138
    177 
    178 /** Perform complete control read transaction over USB.
    179  *
    180  * @param phone Open phone to host controller.
    181  * @param target Target device and endpoint.
    182  * @param setup_packet Setup packet data.
    183  * @param setup_packet_size Size of the setup packet.
    184  * @param data Storage for read data.
    185  * @param data_size Size of the @p data buffer.
    186  * @param actual_data_size Storage for number of actually transferred data from
    187  *        device.
    188  * @return Error code.
    189  */
    190 int usb_drv_psync_control_read(int phone, usb_target_t target,
    191     void *setup_packet, size_t setup_packet_size,
    192     void *data, size_t data_size, size_t *actual_data_size)
    193 {
    194         int rc;
    195        
    196         rc = usb_drv_psync_control_read_setup(phone, target,
    197             setup_packet, setup_packet_size);
    198         if (rc != EOK) {
    199                 return rc;
    200         }
    201 
    202         rc = usb_drv_psync_control_read_data(phone, target,
    203             data, data_size, actual_data_size);
    204         if (rc != EOK) {
    205                 return rc;
    206         }
    207 
    208         rc = usb_drv_psync_control_read_status(phone, target);
    209 
    210         return rc;
    211 }
    212 
    213 
    214 
    215 
    216139/**
    217140 * @}
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