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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [OpenRISC_SIM_GCC/] [drivers/] [gpio.h] - Rev 664
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#ifndef _GPIO_H_ #define _GPIO_H_ #define GPIO_IN 0x00 /* GPIO input data */ #define GPIO_OUT 0x04 /* GPIO output data */ #define GPIO_OE 0x08 /* GPIO output driver enable */ #define GPIO_INTE 0x0C /* Interrupt enable */ #define GPIO_PTRIG 0x10 /* Type of event that triggers an interrupt */ #define GPIO_AUX 0x14 /* Multiplex auxiliary inputs to GPIO outputs */ #define GPIO_CTRL 0x18 /* Control register */ #define GPIO_INTS 0x1C /* Interrupt status */ #define GPIO_ECLK 0x20 /* Enable gpio_eclk to latch RGPIO_IN */ #define GPIO_NEC 0x24 /* Select active edge of gpio_eclk */ #define GPIO_CTRL_INTE 0x01 #define GPIO_CTRL_INTS 0x02 void gpio_init(int core); void set_gpio_direction(int core, unsigned int dirs); unsigned int gpio_read(int core); void gpio_write(int core, unsigned int value); #endif
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