diff options
Diffstat (limited to 'src/jtag/jlink.c')
| -rw-r--r-- | src/jtag/jlink.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/jtag/jlink.c b/src/jtag/jlink.c index 24221357..23ebc62d 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) |