From dc8703206e3f0f69605c56d0e1127f7e17f3476a Mon Sep 17 00:00:00 2001 From: Jan Sucan Date: Tue, 4 Jun 2019 14:34:27 +0200 Subject: Initial commit --- testing/yup-comm/utils/byte_buffer.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 testing/yup-comm/utils/byte_buffer.h (limited to 'testing/yup-comm/utils/byte_buffer.h') diff --git a/testing/yup-comm/utils/byte_buffer.h b/testing/yup-comm/utils/byte_buffer.h new file mode 100644 index 0000000..30746f2 --- /dev/null +++ b/testing/yup-comm/utils/byte_buffer.h @@ -0,0 +1,31 @@ +/* Author: Jan Sucan */ + +#ifndef BYTE_BUFFER_H_ +#define BYTE_BUFFER_H_ + +#include +#include + +#define GET_UINT8_T_FROM_BYTES(b, i) ((uint8_t) b[i]) + +#define GET_UINT16_T_FROM_BYTES(b, i) ((uint16_t) ((b[i + 1] << 8) | b[i])) + +#define GET_UINT32_T_FROM_BYTES(b, i) ((uint32_t) ((b[i + 3] << 24) | (b[i + 2] << 16) | (b[i + 1] << 8) | b[i])) + +#define SET_BYTES_FROM_UINT8_T(b, i, v) {\ + b[i + 0] = v;\ +} + +#define SET_BYTES_FROM_UINT16_T(b, i, v) { \ + b[i + 1] = (v & 0xFF00) >> 8;\ + b[i + 0] = (v & 0x00FF);\ +} + +#define SET_BYTES_FROM_UINT32_T(b, i, v) {\ + b[i + 3] = (v & 0xFF000000) >> 24;\ + b[i + 2] = (v & 0x00FF0000) >> 16;\ + b[i + 1] = (v & 0x0000FF00) >> 8;\ + b[i + 0] = (v & 0x000000FF);\ +} + +#endif /* BYTE_BUFFER_H_ */ -- cgit v1.2.3