C++ (Cpp) i8042_wait_read Examples

Example #1

File: ps2port.c Project: 3a9LL/panda

static int
__i8042_command(int command, u8 *param)
{
    int receive = (command >> 8) & 0xf;
    int send = (command >> 12) & 0xf;

    // Send the command.
    int ret = i8042_wait_write();
    if (ret)
        return ret;
    outb(command, PORT_PS2_STATUS);

    // Send parameters (if any).
    int i;
    for (i = 0; i < send; i++) {
        ret = i8042_wait_write();
        if (ret)
            return ret;
        outb(param[i], PORT_PS2_DATA);
    }

    // Receive parameters (if any).
    for (i = 0; i < receive; i++) {
        ret = i8042_wait_read();
        if (ret)
            return ret;
        param[i] = inb(PORT_PS2_DATA);
        dprintf(7, "i8042 param=%x\n", param[i]);
    }

    return 0;
}

Example #2

inline uint8_t i8042_read_data()
{
	i8042_wait_read();
	return i386_inb(I8042_DATA_PORT);
}