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Projectkk2glider/flash savings (#4199)

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* Flash savings: getFileExtension() de-templated, saves 160 bytes

* Flash savings: several variables moved to rodata, RGB macro optimization (speed and can now be used to initialize rodata)

Result for Horus:
   text	   data	    bss	    dec
1261182	 808603	  42020	2111805   before
1267149	 803335	  42124	2112608   after (data size also counts .sram section)

5kB saved in .data section (RAM and FLASH)

* Removed compiler warnings

* RGB() and ARGB() gtests added

* ARGB() optimized
This commit is contained in:
Damjan Adamic
2017-01-05 21:44:59 +01:00
committed by Bertrand Songis
parent 3b58ee8d3c
commit 82dce3ee60
14 changed files with 120 additions and 67 deletions
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radio/src/crc16.cpp
+1 -1
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@@ -66,7 +66,7 @@ uint16_t crc16(const uint8_t * buf, uint32_t len)
}
// CRC8 implementation with polynom = x^8+x^7+x^6+x^4+x^2+1 (0xD5)
unsigned char crc8tab[256] = {
const unsigned char crc8tab[256] = {
0x00, 0xD5, 0x7F, 0xAA, 0xFE, 0x2B, 0x81, 0x54,
0x29, 0xFC, 0x56, 0x83, 0xD7, 0x02, 0xA8, 0x7D,
0x52, 0x87, 0x2D, 0xF8, 0xAC, 0x79, 0xD3, 0x06,