mirror of
https://github.com/isometimes/rpi4-osdev
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16 lines
493 B
C
16 lines
493 B
C
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#define PERIPHERAL_BASE 0xFE000000
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void uart_init();
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void uart_writeText(char *buffer);
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void uart_loadOutputFifo();
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unsigned char uart_readByte();
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unsigned int uart_isReadByteReady();
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void uart_writeByteBlockingActual(unsigned char ch);
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void uart_update();
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void mmio_write(long reg, unsigned int val);
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unsigned int mmio_read(long reg);
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void gpio_useAsAlt0(unsigned int pin_number);
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void gpio_useAsAlt3(unsigned int pin_number);
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void uart_hex(unsigned int d);
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void uart_byte(unsigned char b);
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