27 lines
353 B
C
27 lines
353 B
C
#define CTRL_ADDR 0xA000
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#define DATA_ADDR 0xA001
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struct UartStatusBits{
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int RDRF:1; // bit 0
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int TDRE:1;
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int DCD:1;
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int CTS:1;
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int FE:1;
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int OVRN:1;
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int PE:1;
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int IRQ:1; // bit 7
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};
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union UartStatusReg {
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struct UartStatusBits bits;
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uint8_t byte;
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};
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union UartStatusReg uart_SR;
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uint8_t incomingChar;
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void init_uart();
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void step_uart();
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