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ZBasic, updated for the GPIO toggle test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| ################################################################################ | ||
| ## | ||
| ## Filename: gpio.txt | ||
| ## | ||
| ## Project: AutoFPGA, a utility for composing FPGA designs from peripherals | ||
| ## | ||
| ## Purpose: | ||
| ## | ||
| ## Creator: Dan Gisselquist, Ph.D. | ||
| ## Gisselquist Technology, LLC | ||
| ## | ||
| ################################################################################ | ||
| ## | ||
| ## Copyright (C) 2017-2019, Gisselquist Technology, LLC | ||
| ## | ||
| ## This program is free software (firmware): you can redistribute it and/or | ||
| ## modify it under the terms of the GNU General Public License as published | ||
| ## by the Free Software Foundation, either version 3 of the License, or (at | ||
| ## your option) any later version. | ||
| ## | ||
| ## This program is distributed in the hope that it will be useful, but WITHOUT | ||
| ## ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or | ||
| ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| ## for more details. | ||
| ## | ||
| ## You should have received a copy of the GNU General Public License along | ||
| ## with this program. (It's in the $(ROOT)/doc directory. Run make with no | ||
| ## target there if the PDF file isn't present.) If not, see | ||
| ## <http://www.gnu.org/licenses/> for a copy. | ||
| ## | ||
| ## License: GPL, v3, as defined and found on www.gnu.org, | ||
| ## http://www.gnu.org/licenses/gpl.html | ||
| ## | ||
| ## | ||
| ################################################################################ | ||
| ## | ||
| ## | ||
| @PREFIX=gpio | ||
| @DEVID=GPIO | ||
| @NADDR=1 | ||
| @ACCESS=@$(DEVID)_ACCESS | ||
| @SLAVE.TYPE=SINGLE | ||
| @SLAVE.BUS=wb | ||
| @NUMOUTPUT=11 | ||
| @NUMINPUT=11 | ||
| @INT.GPIO.WIRE=gpio_int | ||
| @INT.GPIO.PIC=buspic | ||
| @TOP.PORTLIST= | ||
| // GPIO ports | ||
| i_@$(PREFIX), o_@$(PREFIX) | ||
| @TOP.IODECL= | ||
| // GPIO wires | ||
| localparam NGPI = @$(NUMINPUT), NGPO=@$(NUMOUTPUT); | ||
| // GPIO ports | ||
| input wire [(@$(NUMINPUT)-1):0] i_@$(PREFIX); | ||
| output wire [(@$(NUMOUTPUT)-1):0] o_@$(PREFIX); | ||
| @TOP.MAIN= | ||
| // GPIO wires | ||
| i_@$(PREFIX), o_@$(PREFIX) | ||
| @MAIN.PORTLIST= | ||
| // GPIO ports | ||
| i_@$(PREFIX), o_@$(PREFIX) | ||
| @MAIN.IODECL= | ||
| localparam NGPI = @$(NUMINPUT), NGPO=@$(NUMOUTPUT); | ||
| // @$(DEVID) ports | ||
| input [(NGPI-1):0] i_@$(PREFIX); | ||
| output wire [(NGPO-1):0] o_@$(PREFIX); | ||
| @MAIN.INSERT= | ||
| // | ||
| // @$(DEVID) | ||
| // | ||
| // This interface should allow us to control up to 16 @$(DEVID) inputs, and | ||
| // another 16 @$(DEVID) outputs. The interrupt trips when any of the inputs | ||
| // changes. (Sorry, which input isn't (yet) selectable.) | ||
| // | ||
| localparam INITIAL_@$(DEVID) = @$(NUMOUTPUT)'h0; | ||
| wbgpio #(NGPI, NGPO, INITIAL_@$(DEVID)) | ||
| @$(PREFIX)i(i_clk, 1'b1, (wb_stb)&&(@$(PREFIX)_sel), wb_we, | ||
| wb_data, @$(PREFIX)_data, i_@$(PREFIX), o_@$(PREFIX), | ||
| @$(PREFIX)_int); | ||
| @REGS.N=1 | ||
| @REGS.0= 0 R_@$(DEVID) @$(DEVID) GPI GPO | ||
| @BDEF.DEFN= | ||
| // | ||
| // @$(DEVID) input wires | ||
| // | ||
| #define @$(DEVID)_IN(WIRE) (((WIRE)>>16)&1) | ||
| // | ||
| // @$(DEVID) output wires | ||
| // | ||
| #define @$(DEVID)_SET(WIRE) (((WIRE)<<16)|(WIRE)) | ||
| #define @$(DEVID)_CLR(WIRE) ((WIRE)<<16) | ||
| // | ||
| // | ||
| @BDEF.IONAME= i_@$(PREFIX) | ||
| @BDEF.IOTYPE= unsigned | ||
| @BDEF.OSDEF= _BOARD_HAS_@$(DEVID) | ||
| @BDEF.OSVAL= static volatile @$.BDEF.IOTYPE *const _@$(PREFIX) = ((@$.BDEF.IOTYPE *)@$REGBASE); | ||
| @RTL.MAKE.FILES=wbgpio.v | ||
| @RTL.MAKE.GROUP=@$(DEVID) |
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