usemsg

来自「QNX ADS BSP code for i.MX27 chips」· 代码 · 共 20 行

i.MX21 I2C manager

%C [options]

Options:
-p addr     I2C base address (default: 0x10012000)
-m msglen   minimum resmgr message buffer length (default: 128)
-s slave    Slave address (default: 0x1b)
-u unit     Unit number (default: 1)
-v          verbose

Generic options:
--b bus_speed       Default bus speed. (Default: 100000)
--m max_msg_len     Minimum length of resmgr receive buffer.
                    (Default: 128 bytes)
--n nparts          Minimum number of iov_t's in resmgr context.
                    (Default: 2)
--u unit            Unit number. Number to append to device name
                    prefix (/dev/i2c). (Default: 0)