If you are interested in the Portuguese artillery with the main field army, and especially the 3rd division and 2nd Division, Nick Lipscombe p. 121, reports that
"By this time the number of fielded, mobile Portuguese artillery brigades had increased to 11, and were distributed as follows:
Maj. Dickson's Divison. Two brigades, each with light 6-pounder, near Portalegre.
Maj. Arentschildt's Division. Four brigades, one 3-pounder, one 6-pounder and one 9-pounder and one mountain brigade stationed to the north near Celorico ...