Share PM67 upload protocol through C core

c/set-protocol/src/periph28335.c

@@ -2,6 +2,8 @@
 
 #include <string.h>
 
+#include "set_crc.h"
+
 typedef struct {
     const char *project;
     const char *commands[PERIPH28335_COMMAND_COUNT];
@@ -32,19 +34,7 @@ static uint16_t get_be16(const uint8_t *input)
 
 uint16_t periph28335_crc16_modbus(const uint8_t *data, size_t size)
 {
-    uint16_t crc = 0xFFFFU;
-    size_t index;
-    uint8_t bit;
-    if ((data == NULL) && (size != 0U)) return 0U;
-    for (index = 0U; index < size; ++index) {
-        crc ^= data[index];
-        for (bit = 0U; bit < 8U; ++bit) {
-            crc = (crc & 1U) != 0U
-                ? (uint16_t)((crc >> 1) ^ 0xA001U)
-                : (uint16_t)(crc >> 1);
-        }
-    }
-    return crc;
+    return set_crc16_modbus(data, size);
 }
 
 size_t periph28335_append_crc(const uint8_t *payload, size_t payload_size,