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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [OpenRISC_SIM_GCC/] [drivers/] [gpio.h] - Blame information for rev 664

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1 623 filepang
#ifndef _GPIO_H_
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#define _GPIO_H_
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#define GPIO_IN         0x00            /* GPIO input data */
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#define GPIO_OUT        0x04            /* GPIO output data */
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#define GPIO_OE         0x08            /* GPIO output driver enable */
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#define GPIO_INTE       0x0C            /* Interrupt enable */
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#define GPIO_PTRIG      0x10            /* Type of event that triggers an interrupt */
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#define GPIO_AUX        0x14            /* Multiplex auxiliary inputs to GPIO outputs */
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#define GPIO_CTRL       0x18            /* Control register */
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#define GPIO_INTS       0x1C            /* Interrupt status */
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#define GPIO_ECLK       0x20            /* Enable gpio_eclk to latch RGPIO_IN */
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#define GPIO_NEC        0x24            /* Select active edge of gpio_eclk */
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#define GPIO_CTRL_INTE          0x01
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#define GPIO_CTRL_INTS          0x02
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void gpio_init(int core);
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void set_gpio_direction(int core, unsigned int dirs);
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unsigned int gpio_read(int core);
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void gpio_write(int core, unsigned int value);
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#endif

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