mirror of
git://projects.qi-hardware.com/iris.git
synced 2024-07-01 02:32:00 +03:00
75 lines
2.2 KiB
COBOL
75 lines
2.2 KiB
COBOL
#pypp 0
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#include "kernel.hh"
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#define REG32(addr) *((volatile unsigned int *)(addr))
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#define GPIO_BASE 0xB0010000
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#define __gpio_port_data(p) ( REG_GPIO_GPDR(p) )
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#define GPIO_GPSLR(n) (GPIO_BASE + (0x10 + (n)*0x30))
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#define GPIO_GPSUR(n) (GPIO_BASE + (0x14 + (n)*0x30))
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#define GPIO_GPFLR(n) (GPIO_BASE + (0x18 + (n)*0x30))
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#define GPIO_GPFUR(n) (GPIO_BASE + (0x1c + (n)*0x30))
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#define GPIO_GPDR(n) (GPIO_BASE + (0x00 + (n)*0x30))
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#define REG_GPIO_GPSLR(n) REG32(GPIO_GPSLR((n)))
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#define REG_GPIO_GPSUR(n) REG32(GPIO_GPSUR((n)))
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#define REG_GPIO_GPFLR(n) REG32(GPIO_GPFLR((n)))
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#define REG_GPIO_GPFUR(n) REG32(GPIO_GPFUR((n)))
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#define REG_GPIO_GPDR(n) REG32(GPIO_GPDR((n)))
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static void __gpio_port_as_gpiofn (unsigned p, unsigned o, unsigned fn):
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unsigned int tmp;
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if o < 16:
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tmp = REG_GPIO_GPSLR(p)
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tmp &= ~(3 << ((o) << 1))
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REG_GPIO_GPSLR(p) = tmp
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tmp = REG_GPIO_GPFLR(p)
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tmp &= ~(3 << ((o) << 1))
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tmp |= fn << ((o) << 1)
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REG_GPIO_GPFLR(p) = tmp
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else:
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tmp = REG_GPIO_GPSUR(p)
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tmp &= ~(3 << (((o) - 16) << 1))
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REG_GPIO_GPSUR(p) = tmp
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tmp = REG_GPIO_GPFUR(p)
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tmp &= ~(3 << (((o) - 16) << 1))
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tmp |= fn << (((o) - 16) << 1)
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REG_GPIO_GPFUR(p) = tmp
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static void __gpio_port_as_output (unsigned p, unsigned o):
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__gpio_port_as_gpiofn (p, o, 1)
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static void __gpio_port_as_input (unsigned p, unsigned o):
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__gpio_port_as_gpiofn (p, o, 0)
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static void __gpio_as_output (unsigned n):
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__gpio_port_as_output(n / 32, n % 32)
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static void __gpio_as_input (unsigned n):
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__gpio_port_as_input(n / 32, n % 32)
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static void __gpio_set_pin (unsigned n):
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__gpio_port_data (n / 32) |= (1 << (n % 32))
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static void __gpio_clear_pin (unsigned n):
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__gpio_port_data (n / 32) &= ~(1 << (n % 32))
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#define CAPSLOCKLED_IO 27
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#define NUMLOCKLED_IO 86
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#define NETWORK_IO 9
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#define LIGHT 105
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void led (bool on, bool tick):
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__gpio_as_output (CAPSLOCKLED_IO)
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__gpio_as_output (NUMLOCKLED_IO)
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__gpio_as_output (NETWORK_IO)
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if on:
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__gpio_set_pin (NUMLOCKLED_IO)
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__gpio_clear_pin (CAPSLOCKLED_IO)
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else:
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__gpio_set_pin (CAPSLOCKLED_IO)
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__gpio_clear_pin (NUMLOCKLED_IO)
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if tick:
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__gpio_clear_pin (NETWORK_IO)
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else:
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__gpio_set_pin (NETWORK_IO)
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