diff options
Diffstat (limited to 'i2c.h')
| -rw-r--r-- | i2c.h | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -6,6 +6,8 @@ #define To_Self_Cal_Port 2 /* PCF8574 at three-bit address 2 is for self-cal PCB 226A */ #define From_Self_Cal_Port 3 /* PCF8574 at three-bit address 3 is for self-cal PCB 226A */ #define Octal_Relay_Driver 4 /* PCF8574 at three-bit address 4 is for octal relay driver, PCB 244A */ +#define Extra_DACs_Low_Port 5 /* PCF8574 at three-bit address 5 is for low byte of PCB 313A DAC board */ +#define Extra_DACs_High_Port 6 /* PCF8574 at three-bit address 6 is for high byte of PCB 313A DAC board */ #define PCF8574A 0x38 /* Main I2C peripheral device */ #define Button_Press_Port 0 /* PCF8574A at three-bit address 0 is for detecting button presses */ |