X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=server%2Fbbb_pin.h;h=0b5f345bdc346b967615b892f9f98fee0d31898e;hb=ab00d4e4fdd18f65ec9a73725b72d16f5bcc28b9;hp=ce91e5aeb7da2520718582b0ec8d5fe734d0bc38;hpb=10a0d0813cab99327bcb7f7fcb0008c783cfc685;p=matches%2FMCTX3420.git diff --git a/server/bbb_pin.h b/server/bbb_pin.h index ce91e5a..0b5f345 100644 --- a/server/bbb_pin.h +++ b/server/bbb_pin.h @@ -12,42 +12,46 @@ #if defined(_BBB) || defined(_BBB_PIN_SRC) // Initialise / Deinitialise functions -extern void GPIO_Export(int pin); +extern bool GPIO_Export(int pin); extern void GPIO_Unexport(int pin); -extern void PWM_Export(int pin); +extern bool PWM_Export(int pin); extern void PWM_Unexport(int pin); -extern void ADC_Export(int pin); +extern bool ADC_Export(int pin); extern void ADC_Unexport(int pin); // Pin reading/setting functions -extern bool GPIO_Read(int pin); -extern void GPIO_Set(int pin, bool value); +extern bool GPIO_Read(int pin, bool *result); +extern bool GPIO_Set(int pin, bool value); -extern int ADC_Read(int pin); +extern bool ADC_Read(int id, int *value); -extern void PWM_Set(int pin, bool polarity, long period, long duty); // period and duty are in ns +extern bool PWM_Set(int pin, bool polarity, long period, long duty); // period and duty are in ns extern void PWM_Stop(int pin); + #else //Empty defines so it compiles on any platform that's not the BBB -#define GPIO_Export(pin) + +extern bool GPIO_Export(int pin); +extern void GPIO_Unexport(int pin); + +#define GPIO_Export(pin) true #define GPIO_Unexport(pin) -#define PWM_Export(pin) +#define PWM_Export(pin) true #define PWM_Unexport(pin) -#define ADC_Export(pin) +#define ADC_Export(pin) true #define ADC_Unexport(pin) -#define GPIO_Read(pin) 0 -#define GPIO_Set(pin, value) - -#define ADC_Read(pin) 0 +#define GPIO_Read(pin, result) ((*(result) = 0) == 0) +#define GPIO_Set(pin, value) true -#define PWM_Set(pin, polarity, period, duty) -#define PWM_Stop(Pin) +#define ADC_Read(id, value) ((*(value) = 0) == 0) +#define PWM_Set(pin, polarity, period, duty) true +#define PWM_Stop(pin) #endif //_BBB