testlcd.prj

来自「Source code for RFM01 fm radio receiver」· PRJ 代码 · 共 35 行

; -----------------------------------------------------------

.MICRO      "ATMEGA16"
.TOOLCHAIN  "GCC"
.TARGET     "testlcd.hex"
.SOURCE     "testlcd.c"

.TRACE              ; Activate micro trace

; ------------------------------------------------------------

.POWER VDD=5 VSS=0  ; Power nodes
.CLOCK 8meg         ; Micro clock
.STORE 250m         ; Trace (micro+signals) storage time

; ------------------------------------------------------------

X1 TTY(19200 8 0 0 1 2) PD0 PD1  ; Place an interactive TTY cell.
.PLOT V(PD0) V(PD1)


; LCD cell
; Parameters are: (characters, lines, oscillator frequency)
;
; In the software, it is used the 4 bits interface, to save ports
; but LCD has 8 bus lines, therefore, the 4 LSB must be connedted to
; dummy nodes
;
;                                                    not connect,
;                 RS   R/W   E   4 bits interface  arbitrary nodes
;                 ---  ---  ---  ----------------  ---------------
X2 LCD(16 2 250K) PB2  VSS  PB3  PB7 PB6 PB5 PB4   nc3 nc2 nc1 nc0