[U-Boot-Users] [PATCH] I2C Dummy Driver

[Michal Simek]

Clean coding style. http://www.denx.de/wiki/UBoot/CodingStyle


> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda at uam.es>
> ---
>  drivers/i2c/Makefile    |    1 +
>  drivers/i2c/dummy_i2c.c |   84 +++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 85 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/i2c/dummy_i2c.c
> 
> diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
> index 534c015..322c822 100644
> --- a/drivers/i2c/Makefile
> +++ b/drivers/i2c/Makefile
> @@ -30,6 +30,7 @@ COBJS-y += omap1510_i2c.o
>  COBJS-y += omap24xx_i2c.o
>  COBJS-y += tsi108_i2c.o
>  COBJS-y += mxc_i2c.o
> +COBJS-y += dummy_i2c.o
>  
>  COBJS	:= $(COBJS-y)
>  SRCS	:= $(COBJS:.o=.c)
> diff --git a/drivers/i2c/dummy_i2c.c b/drivers/i2c/dummy_i2c.c
> new file mode 100644
> index 0000000..04f6edb
> --- /dev/null
> +++ b/drivers/i2c/dummy_i2c.c
> @@ -0,0 +1,84 @@
> +/*   
> +    (C) Copyright 2008
> +    Ricado Ribalda, Universidad Autonoma de Madrid, ricardo.ribalda<at>uam.es , ricardo.ribalda<at>gmail.com
> +    This work has been supported by: Q-Technology  http://qtec.com/
> +
> +    This program is free software: you can redistribute it and/or modify
> +    it under the terms of the GNU General Public License as published by
> +    the Free Software Foundation, either version 3 of the License, or
> +    (at your option) any later version.
> +
> +    This program is distributed in the hope that it will be useful,
> +    but WITHOUT ANY WARRANTY; without even the implied warranty of
> +    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> +    GNU General Public License for more details.
> +
> +    You should have received a copy of the GNU General Public License
> +    along with this program.  If not, see <http://www.gnu.org/licenses/>.
> +*/
> +
> +#include <common.h>
> +
> +#if defined(CONFIG_DUMMY_I2C)
> +
> +
> +#include <i2c.h>
> +u8 i2c_dummy_buffer[256]={0x80,0x8,0x8,0x0D,0x0A,0x60,0x40,0x0,0x5,0x3D,0x50,0x0,0x82,0x10,0x0,0x0,0x0C,0x4,0x18,0x1,0x4,0x0,0x1,0x50,0x50,0x0,0x0,0x3C,0x28,0x3C,0x2D,0x40,0x25,0x37,0x10,0x22,0x3C,0x1E,0x1E,0x0,0x0,0x3C,0x69,0x80,0x1E,0x28,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x12,0xC9,0x2C,'0','0','0','0','0','0','0',0x0,'4','H','T','F','3','2','6','4','H','Y','-','5','3','E','D','3',0x3,0x0,0x0,0x0,0x0};
> +	
> +
> +
> +void i2c_init(int speed, int slaveaddr){
> +	return ;
> +}
> +
> +
> +
> +int
> +i2c_read(uchar chip, uint addr, int alen, uchar * buffer, int len)
> +{
> +	int i;
> +	if (alen!=1)
> +		return -1;
> +
> +	if (addr+len>0xff)
> +		return -1;
> +
> +	for(i=0;i<len;i++){
> +		buffer[i]=i2c_dummy_buffer[i+addr];
> +	}
> +
> +	return 0;
> +
> +
> +}
> +
> +
> +int
> +i2c_write(uchar chip, uint addr, int alen, uchar * buffer, int len)
> +{
> +	int i;
> +	if (alen!=1)
> +		return -1;
> +	if (addr+len>0xff)
> +		return -1;
> +
> +	for(i=0;i<len;i++){
> +		i2c_dummy_buffer[i+addr]=buffer[i];
> +	}
> +
> +	return 0;
> +}
> +
> +
> +int
> +i2c_probe(uchar chip)
> +{
> +	return 0;
> +}
> +
> +
> +
> +
> +
> +#endif
> +