added missing mutex for shared scratch buffer

2018-01-06 15:53:56 +01:00
parent 913f431a54
commit 931f6cea59
10 changed files with 63 additions and 40 deletions
@@ -380,7 +380,7 @@ error_t UU_I2C_WriteReg(Unit *unit, uint16_t addr, uint8_t regnum, const uint8_t
    CHECK_TYPE(unit, &UNIT_I2C);

    // we have to insert the address first - needs a buffer (XXX realistically the buffer needs 1-4 bytes + addr)
-    PayloadBuilder pb = pb_start((uint8_t*)unit_tmp512, 512, NULL);
+    PayloadBuilder pb = pb_start((uint8_t*)unit_tmp512, UNIT_TMP_LEN, NULL);
    pb_u8(&pb, regnum);
    pb_buf(&pb, bytes, width);