G'day L & G's. I can't seem to trace a Y- pin on in the standard Mega part of the cpu.h file. I note the index and sync output pins on the last part of the Ramps section. The threading instructions refer to Y- limit for index and Probe for the sync in that document, but I think I'm in the wrong place (older versions?). For my part, I'm 66 years old and a novice at this installation. All the steppers and homing are working. Working on spindle activation and control now and have been doing so for 2 months. I'm now formally stumped.
Please could I have an explanation as to the working of the index and sync pins and in particular the index and sync pin connections for CPU_MAP_2560_INITIAL. If I connect the index to Pin D11, I get a limit fault. Need to get the index working before going on to sync on A15.
Also please explain the following: " // NOTE: All CONTROLs pins must be on the same port and not on a port with other input pins (limits)." There is only one USB connection from what I see. So there is uncertainty in my mind as to exactly what constitutes a port. i.e. should the common rails be split, one for analogue, one for digital and the commons taken from opposite sides of the Mega?
Using Grbl gru (Mega 5X connection) and Grbl-L-Mega-edge, all latest versions to where I was directed. Many thanks in anticipation of a response. I would not ask unless I had read and re-read all I can find (and understand). Many thanks, Jim
G'day L & G's. I can't seem to trace a Y- pin on in the standard Mega part of the cpu.h file. I note the index and sync output pins on the last part of the Ramps section. The threading instructions refer to Y- limit for index and Probe for the sync in that document, but I think I'm in the wrong place (older versions?). For my part, I'm 66 years old and a novice at this installation. All the steppers and homing are working. Working on spindle activation and control now and have been doing so for 2 months. I'm now formally stumped.
Please could I have an explanation as to the working of the index and sync pins and in particular the index and sync pin connections for CPU_MAP_2560_INITIAL. If I connect the index to Pin D11, I get a limit fault. Need to get the index working before going on to sync on A15.
Also please explain the following: " // NOTE: All CONTROLs pins must be on the same port and not on a port with other input pins (limits)." There is only one USB connection from what I see. So there is uncertainty in my mind as to exactly what constitutes a port. i.e. should the common rails be split, one for analogue, one for digital and the commons taken from opposite sides of the Mega?
Using Grbl gru (Mega 5X connection) and Grbl-L-Mega-edge, all latest versions to where I was directed. Many thanks in anticipation of a response. I would not ask unless I had read and re-read all I can find (and understand). Many thanks, Jim