X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fjlink.c;h=23ebc62d2a6431dbfc383500e336a7cacda94ed6;hp=2422135782a42b539630fdc01facd15fccbbd123;hb=0535a9245632e2cf12d8eaae8c4a9b1cc0bc66c6;hpb=a94748ec6da9bdc6e25a7f73bbea723b8b55fa33 diff --git a/src/jtag/jlink.c b/src/jtag/jlink.c index 2422135782..23ebc62d2a 100644 --- a/src/jtag/jlink.c +++ b/src/jtag/jlink.c @@ -763,15 +763,16 @@ static int jlink_tap_execute(void) if (!tap_length) return ERROR_OK; - /* JLink returns an extra NULL in packet when size of in message is a multiple of 64, creates problems with usb comms */ - /* WARNING This will interfere with tap state counting */ - while ((TAP_SCAN_BYTES(tap_length)%64) == 0) + /* JLink returns an extra NULL in packet when size of incoming + * message is a multiple of 64, creates problems with USB comms. + * WARNING: This will interfere with tap state counting. */ + while ((DIV_ROUND_UP(tap_length, 8) % 64) == 0) { jlink_tap_append_step((tap_get_state() == TAP_RESET)?1:0, 0); } // number of full bytes (plus one if some would be left over) - byte_length = TAP_SCAN_BYTES(tap_length); + byte_length = DIV_ROUND_UP(tap_length, 8); bool use_jtag3 = jlink_hw_jtag_version >= 3; usb_out_buffer[0] = use_jtag3 ? EMU_CMD_HW_JTAG3 : EMU_CMD_HW_JTAG2; @@ -808,7 +809,7 @@ static int jlink_tap_execute(void) DEBUG_JTAG_IO("pending scan result, length = %d", length); #ifdef _DEBUG_USB_COMMS_ - jlink_debug_buffer(buffer, TAP_SCAN_BYTES(length)); + jlink_debug_buffer(buffer, DIV_ROUND_UP(length, 8)); #endif if (jtag_read_buffer(buffer, command) != ERROR_OK)