diff options
Diffstat (limited to 'nuttx/arch/arm/src/lpc17xx/chip/lpc178x_iocon.h')
| -rwxr-xr-x | nuttx/arch/arm/src/lpc17xx/chip/lpc178x_iocon.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/lpc17xx/chip/lpc178x_iocon.h b/nuttx/arch/arm/src/lpc17xx/chip/lpc178x_iocon.h index 2891b5827..33e883c4e 100755 --- a/nuttx/arch/arm/src/lpc17xx/chip/lpc178x_iocon.h +++ b/nuttx/arch/arm/src/lpc17xx/chip/lpc178x_iocon.h @@ -320,6 +320,8 @@ #define IOCON_ADMODE_MASK (1 << IOCON_ADMODE_SHIFT) #define IOCON_FILTER_SHIFT (8) /* Bit 8: Type A */ #define IOCON_FILTER_MASK (1 << IOCON_FILTER_SHIFT) +#define IOCON_I2CHS_SHIFT (8)/* Bits 8: Type I */ +#define IOCON_I2CHS_MASK (1 << IOCON_I2CHS_SHIFT) #define IOCON_SLEW_SHIFT (9) /* Bit 9: Type W */ #define IOCON_SLEW_MASK (1 << IOCON_SLEW_SHIFT) #define IOCON_HIDRIVE_SHIFT (9) /* Bit 9: Type I */ @@ -344,6 +346,20 @@ #define IOCON_TYPE_I_MASK (0x00000347) /* I2C/USB P0:27-28, P5:2-3 */ #define IOCON_TYPE_W_MASK (0x000007ff) /* I2S P0:7-9 */ +/* Slew rate modes */ + +#define IOCON_SLEWMODE_NORMAL (0 << IOCON_SLEW_SHIFT) +#define IOCON_SLEWMODE_FAST (1 << IOCON_SLEW_SHIFT) + +/* I2C modes */ + +#define IOCON_I2CMODE_SHIFT (IOCON_I2CHS_SHIFT) +#define IOCON_I2CMODE_MASK (3 << IOCON_I2CMODE_SHIFT) +#define IOCON_I2CMODE_FAST (0 << IOCON_I2CMODE_SHIFT) +#define IOCON_I2CMODE_FASTPLUS (1 << IOCON_I2CMODE_SHIFT)/* */ +#define IOCON_I2CMODE_HIOPENDRAIN (2 << IOCON_I2CMODE_SHIFT)/* */ +#define IOCON_I2CMODE_OPENDRAIN (3 << IOCON_I2CMODE_SHIFT)/* */ + /************************************************************************************ * Public Types ************************************************************************************/ |