Error mem viewer almost finished

error-mem-viewer/src/crc.c

@@ -0,0 +1,26 @@
+#include <error-mem-viewer/crc.h>
+
+uint32_t do_crc(uint32_t init, uint32_t data)
+{
+	uint32_t crc = init;
+	uint32_t cnt;
+
+	for(cnt=0; cnt < 32; cnt++)
+	{
+		crc = ((int32_t)(crc ^ data))<0 ? (crc << 1) ^ 0x04C11DB7 : crc << 1;
+		data <<=1;
+	}
+
+	return crc;
+}
+
+uint32_t calculate_stm_crc(uint32_t *data, size_t len)
+{
+	uint32_t crc = ~0U;
+
+	while(len--) {
+		crc = do_crc(crc, *data++);
+	}
+
+	return crc;
+}