26 lines
764 B
C
26 lines
764 B
C
#include "print.h"
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__attribute((__always_inline__))
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__attribute((__no_caller_saved_registers__))
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char nibbleToHex(uint8_t n) {
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return n > 9 ? (n - 10) + 'A' : n + '0';
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}
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__attribute((__always_inline__))
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__attribute((__no_caller_saved_registers__))
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void printByte(uint8_t v, uint16_t *buff) {
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*(char *)&buff[0] = nibbleToHex((v >> 4) & 0xF);
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*(char *)&buff[1] = nibbleToHex(v & 0xF);
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}
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__attribute((__always_inline__))
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__attribute((__no_caller_saved_registers__))
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void printWord(uint16_t v, uint16_t *buff) {
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printByte(v >> 8, buff);
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printByte(v, &buff[2]);
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}
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__attribute((__always_inline__))
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__attribute((__no_caller_saved_registers__))
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void printDword(uint32_t v, uint16_t *buff) {
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printWord(v >> 16, buff);
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printWord(v, &buff[4]);
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}
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