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spi test dump

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This commit is contained in:
Konarak 2024-10-25 13:47:27 -04:00
parent 2026be6851
commit 5527f9e8b2
Signed by: konarak
GPG Key ID: DE5E99432B548849
11 changed files with 516 additions and 157 deletions
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126
06_IO_Devices/01_UartTX/hello.asm
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@ -2,31 +2,117 @@
// this little assembler programm outputs "Hi" on UART_TX
//
// Put your code here:
//check tx status
(START)
// Never
// 78 101 118 101 114 32
@78
D=A
@128
M=D //N
@101
D=A
@129
M=D //e
@118
D=A
@130
M=D //v
@101
D=A
@131
M=D //e
@114
D=A
@132
M=D //r
@32
D=A
@133
M=D // space
// Graduate!
// 71 114 97 100 117 97 116 101 33 32
@71
D=A
@134
M=D //G
@114
D=A
@135
M=D //r
@97
D=A
@136
M=D //a
@100
D=A
@137
M=D //d
@117
D=A
@138
M=D //u
@97
D=A
@139
M=D //a
@116
D=A
@140
M=D //t
@101
D=A
@141
M=D //e
@33
D=A
@142
M=D //!
@10
D=A
@143
M=D // newline
@128
D=A
@CHARBOOT
M=D
@BOOT
0;JEQ
(POLL)
@BUT
D=!M
@LED
M=D
@POLL
0;JMP
(WAITBOOT)
@UART_TX
D=M
@SENDH
@BOOT
D;JEQ
@START
@WAITBOOT
0;JMP
(SENDH)
@72
D=A
@UART_TX
M=D
(WAIT)
@UART_TX
(BOOT)
@CHARBOOT
A=M
D=M
@SENDI
D;JEQ
@WAIT
0;JMP
(SENDI)
@105
D=A
@UART_TX
M=D
(END)
@END
@CHARBOOT
M=M+1
@144
D=A
@CHARBOOT
D=D-M
@ENDBOOT
D;JEQ
@WAITBOOT
0;JMP
(ENDBOOT)
@POLL
0;JMP

14
06_IO_Devices/02_UartRX/echo.asm
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@ -4,3 +4,17 @@
// repeat in an endless loop
//
// Put your code here:
// hello.asm
// this little assembler programm outputs "Hi" on UART_TX
//
// Put your code here:
(POLL)
@UART_RX
D=M
@UART_TX
M=D
@UART_RX
M=0
@POLL
0;JMP

156
06_IO_Devices/03_SPI/cat.asm
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@ -4,3 +4,159 @@
// data to UART_TX
//
// Put your code here:
@171
D=A
@SPI
M=D
@21
D=A
@COUNT
M=D
(DECR)
@COUNT
DM=M-1
@DECR
D;JGT
@3
D=A
@SPI
M=D
(WAIT10)
@SPI
D=M
@WAIT10
D;JLT
@4
D=A
@SPI
M=D
(WAIT11)
@SPI
D=M
@WAIT11
D;JLT
@SPI
M=0
(WAIT12)
@SPI
D=M
@WAIT12
D;JLT
@SPI
M=0
(WAIT13)
@SPI
D=M
@WAIT13
D;JLT
//(WAIT14)
//@SPI
//D=M
//@WAIT14
//D;JLT
//@SPI
//D=M
//@128
//M=D
@4
D=A
@SPI
M=D
(WAIT21)
@SPI
D=M
@WAIT21
D;JLT
@SPI
M=0
(WAIT22)
@SPI
D=M
@WAIT22
D;JLT
@SPI
M=1
(WAIT23)
@SPI
D=M
@WAIT23
D;JLT
@SPI
D=M
@129
M=D
@4
D=A
@SPI
M=D
(WAIT31)
@SPI
D=M
@WAIT31
D;JLT
@SPI
M=0
(WAIT32)
@SPI
D=M
@WAIT32
D;JLT
@2
D=A
@SPI
M=D
(WAIT33)
@SPI
D=M
@WAIT33
D;JLT
@SPI
D=M
@130
M=D
start
@128
D=A
@CHARBOOT
M=D
@BOOT
0;JEQ
(POLL)
@BUT
D=!M
@LED
M=D
@POLL
0;JMP
(WAITBOOT)
@UART_TX
D=M
@BOOT
D;JEQ
@WAITBOOT
0;JMP
(BOOT)
@CHARBOOT
A=M
D=M
@UART_TX
M=D
@CHARBOOT
M=M+1
@131
D=A
@CHARBOOT
D=D-M
@ENDBOOT
D;JEQ
@WAITBOOT
0;JMP
(ENDBOOT)
@POLL
0;JMP

1
06_IO_Devices/03_SPI/spi.txt Normal file
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@ -0,0 +1 @@
SPI!

2
06_IO_Devices/GO.v
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@ -22,5 +22,5 @@ module GO(
end
assign instruction = (active) ? sram_data : ROM_data;
assign SRAM_ADDR = (active) ? pc : sram_addr;
assign SRAM_ADDR = (active) ? sram_addr: pc;
endmodule

116
06_IO_Devices/HACK.v
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@ -12,29 +12,29 @@
`default_nettype none
module HACK(
input CLK, // external clock 100 MHz
input [1:0] BUT, // user button ("pushed down" == 0) ("up" == 1)
output [1:0] LED, // leds (0 off, 1 on)
input UART_RX, // UART recieve
output UART_TX, // UART transmit
output SPI_SDO, // SPI data out
input SPI_SDI, // SPI data in
output SPI_SCK, // SPI serial clock
output SPI_CSX, // SPI chip select not
output [17:0] SRAM_ADDR,// SRAM address 18 Bit = 256K
inout [15:0] SRAM_DATA, // SRAM data 16 Bit
output SRAM_WEX, // SRAM write_enable_not
output SRAM_OEX, // SRAM output_enable_not
output SRAM_CSX, // SRAM chip_select_not
output LCD_DCX, // LCD data/command not
output LCD_SDO, // LCD data out
output LCD_SCK, // LCD serial clock
output LCD_CSX, // LCD chip select not
input RTP_SDI, // RTP data in s
output RTP_SDO, // RTP data out
output RTP_SCK // RTP serial clock
input [1:0] BUT, // user button ("pushed down" == 0) ("up" == 1)
output [1:0] LED, // leds (0 off, 1 on)
input UART_RX, // UART recieve
output UART_TX, // UART transmit
output SPI_SDO, // SPI data out
input SPI_SDI, // SPI data in
output SPI_SCK, // SPI serial clock
output SPI_CSX, // SPI chip select not
output [17:0] SRAM_ADDR,// SRAM address 18 Bit = 256K
inout [15:0] SRAM_DATA, // SRAM data 16 Bit
output SRAM_WEX, // SRAM write_enable_not
output SRAM_OEX, // SRAM output_enable_not
output SRAM_CSX, // SRAM chip_select_not
output LCD_DCX, // LCD data/command not
output LCD_SDO, // LCD data out
output LCD_SCK, // LCD serial clock
output LCD_CSX, // LCD chip select not
input RTP_SDI, // RTP data in s
output RTP_SDO, // RTP data out
output RTP_SCK // RTP serial clock
);
// Put your code here:
// Put your code here:
wire loadRAM;
wire loadIO0;
wire loadIO1;
@ -57,18 +57,18 @@ module HACK(
wire [15:0] inIO1;
wire [15:0] inIO2;
wire [15:0] inIO3;
wire [15:0] inIO4=0;
wire [15:0] inIO5=0;
wire [15:0] inIO6=0;
wire [15:0] inIO7=0;
wire [15:0] inIO4;
wire [15:0] inIO5;
wire [15:0] inIO6;
wire [15:0] inIO7;
wire [15:0] inIO8=0;
wire [15:0] inIO9=0;
wire [15:0] inIOA=0;
wire [15:0] inIOB;
wire [15:0] inIOC;
wire [15:0] inIOD;
wire [15:0] inIOE;
wire [15:0] inIOF;
wire [15:0] inIOB=0;
wire [15:0] inIOC=0;
wire [15:0] inIOD=0;
wire [15:0] inIOE=0;
wire [15:0] inIOF=0;
wire writeM;
wire [15:0] inM;
@ -78,20 +78,26 @@ module HACK(
wire [15:0] pc;
wire clk, reset;
wire [15:0] outDEBUG0;
wire [15:0] outDEBUG1;
wire [15:0] outDEBUG2;
wire loadDEBUG0;
wire loadDEBUG1;
wire loadDEBUG2;
wire [15:0] ROM_DATA;
wire [15:0] fromLCD;
//wire [15:0] outDEBUG0;
//wire [15:0] outDEBUG1;
//wire [15:0] outDEBUG2;
//wire loadDEBUG0;
//wire loadDEBUG1;
//wire loadDEBUG2;
// Put your code here:
//assign SRAM_ADDR[17:16]=2'b0;
assign LED[1:0] = inIO0[1:0];
assign outDEBUG0 = inIOB;
assign outDEBUG1 = inIOC;
assign outDEBUG2 = inIOD;
assign loadDEBUG0 = loadIOB;
assign loadDEBUG1 = loadIOC;
assign loadDEBUG2 = loadIOD;
assign inIO8 = fromLCD;
assign inIO9 = fromLCD;
//assign outDEBUG0 = inIOB;
//assign outDEBUG1 = inIOC;
//assign outDEBUG2 = inIOD;
//assign loadDEBUG0 = loadIOB;
//assign loadDEBUG1 = loadIOC;
//assign loadDEBUG2 = loadIOD;
Clock25_Reset20 CLKR(CLK, clk, reset);
CPU CPU(clk, inM, instruction, reset, outM, writeM, addressM, pc);
@ -110,19 +116,22 @@ module HACK(
UartTX UartTX(clk, loadIO2, outM, UART_TX, inIO2);
UartRX UartRX(clk, loadIO3, UART_RX, inIO3);
//SPI SPI(clk, loadIO4, outM, inIO4, SPI_CSX, SPI_SDO, SPI_SDI, SPI_SCK);
//GO GO(clk, loadIO5, pc, sram_addr, SRAM_ADDR, sram_data, ROM_data, instruction);
SPI SPI(clk, loadIO4, outM, inIO4, SPI_CSX, SPI_SDO, SPI_SDI, SPI_SCK);
//GO GO(clk, loadIO5, pc, inIO6, SRAM_ADDR[15:0], inIO7, ROM_DATA, instruction);
//Register SRAM_A(clk, outM, loadIO0, inIO6);
//SRAM_D SRAM_D(clk, loadIO7, outM, inIO7, SRAM_DATA, SRAM_CSX, SRAM_OEX, SRAM_WEX);
//LCD LCD(clk, loadIO8, loadIO9, outM, fromLCD, LCD_DCX, LCD_CSX, LCD_SDO, LCD_SCK);
Register DEBUG0(clk, outM, loadIOB, inIOB);
Register DEBUG1(clk, outM, loadIOC, inIOC);
Register DEBUG2(clk, outM, loadIOD, inIOD);
Register DEBUG3(clk, outM, loadIOE, inIOE);
Register DEBUG4(clk, outM, loadIOF, inIOF);
//Register DEBUG0(clk, outM, loadIOB, inIOB);
//Register DEBUG1(clk, outM, loadIOC, inIOC);
//Register DEBUG2(clk, outM, loadIOD, inIOD);
//Register DEBUG3(clk, outM, loadIOE, inIOE);
//Register DEBUG4(clk, outM, loadIOF, inIOF);
//assign SPI_SDO=0;
//assign SPI_SCK=0;
//assign SPI_CSX=0;
assign SPI_SDO=0;
assign SPI_SCK=0;
assign SPI_CSX=0;
assign SRAM_ADDR=0;
assign SRAM_DATA=0;
assign SRAM_WEX=0;
assign SRAM_OEX=0;
@ -134,3 +143,4 @@ assign LCD_CSX=0;
assign RTP_SDO=0;
assign RTP_SCK=0;
endmodule

108
06_IO_Devices/LCD.v
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@ -16,17 +16,105 @@
*/
`default_nettype none
module LCD(
input clk, //clock 25 MHz
input load, //start send command/byte over SPI
input load16, //start send data (16 bits)
input [15:0] in, //data to be send
output [15:0] out, //data to be send
output DCX, //SPI data/command not
output CSX, //SPI chip select not
output SDO, //SPI serial data out
output SCK //SPI serial clock
input clk, //clock 25 MHz
input load, //start send command/byte over SPI
input load16, //start send data (16 bits)
input [15:0] in, //data to be send
output reg [15:0] out, //data to be send
output reg DCX, //SPI data/command not
output reg CSX, //SPI chip select not
output reg SDO, //SPI serial data out
output reg SCK //SPI serial clock
);
// Put your code here:
// Put your code here:
reg [15:0] to_send;
reg [3:0] nthbit=0;
reg csx_low=0;
reg is_data=0;
reg active=0;
reg active16=0;
reg [4:0] is16;
always @(posedge clk) begin
SDO <= 0;
SCK <= 0;
CSX <= (csx_low) ? 0 : 1;
DCX <= (is_data) ? 1 : 0;
out <= (load || load16 || active || active16) ? 16'h8000 : 16'h0000;
if (load && ~active && ~active16) begin
if (in[8]) begin
csx_low <= 0;
CSX <= 1;
end else begin
active <= 1;
is16 <= 1;
csx_low <= 1;
CSX <= 0;
is_data <= in[9];
DCX <= in[9];
to_send <= in;
SDO <= in[7];
end
end
else if (load16 && ~active && ~active16) begin
active16 <= 1;
is16 <= 1;
csx_low <= 1;
to_send <= in;
SDO <= in[15];
end
else if (active) begin
SCK <= ~SCK;
if ( is16 == 15) begin
active <= 0;
SDO <= to_send[0];
end
else begin
is16 <= is16 + 1;
SDO <= SDO;
case (is16)
2 : SDO <= to_send[6];
4 : SDO <= to_send[5];
6 : SDO <= to_send[4];
8 : SDO <= to_send[3];
10 : SDO <= to_send[2];
12 : SDO <= to_send[1];
14 : SDO <= to_send[0];
endcase
end
end
else if (active16) begin
SCK <= ~SCK;
if ( is16 == 31) begin
active16 <= 0;
SDO <= to_send[0];
end
else begin
is16 <= is16 + 1;
SDO <= SDO;
case (is16)
2 : SDO <= to_send[14];
4 : SDO <= to_send[13];
6 : SDO <= to_send[12];
8 : SDO <= to_send[11];
10 : SDO <= to_send[10];
12 : SDO <= to_send[9];
14 : SDO <= to_send[8];
16 : SDO <= to_send[7];
18 : SDO <= to_send[6];
20 : SDO <= to_send[5];
22 : SDO <= to_send[4];
24 : SDO <= to_send[3];
26 : SDO <= to_send[2];
28 : SDO <= to_send[1];
30 : SDO <= to_send[0];
endcase
end
end
end
endmodule

101
06_IO_Devices/SPI.v
View File

@ -22,76 +22,74 @@ module SPI(
// Put your code here:
// 1100 0000 0101 1011
// 1000 0000 0101 1011
reg temp;
reg active=0;
reg csx_low=0;
reg out_low=1;
reg [7:0] totx;
reg [7:0] torx;
reg [11:0] is216;
reg [4:0] is16;
always @(posedge clk) begin
CSX <= 0;
CSX <= (csx_low) ? 0 : 1;
SDO <= 0;
SCK <= 0;
out <= (out)? out : 0;
if (load == 1) begin
out_low=0;
out[14:8] <= 0;
out[7:0] <= in[7:0];
if (in[8]==1) begin
out[15] <= 0;
csx_low <= 0;
CSX <= 1;
end
else if (in[8]==0) begin
out[15] <= 1;
csx_low <= 1;
CSX <= 0;
active <= 1;
is216 <= 1;
is16 <= 1;
totx[7:0] <= in[7:0];
SDO <= in[7];
//out <= (out<<1);
//out[0] <= SDI;
//torx[7] <= SDI;
end
end
else if (active==1) begin
SCK <= ~SCK;
if (is216 == 16) begin
if (is16 == 16) begin
active <= 0;
CSX <= CSX;
out <= {8'b0, torx[7:0]};
end
else begin
CSX <= 0;
is216 <= is216 + 1;
//SDO <= totx[7-(is216/2)];
torx[7-(is216/2)] <= SDI;
case (is216+1)
2 : SDO <= totx[7];
3 : SDO <= totx[6];
4 : SDO <= totx[6];
5 : SDO <= totx[5];
6 : SDO <= totx[5];
7 : SDO <= totx[4];
8 : SDO <= totx[4];
9 : SDO <= totx[3];
10 : SDO <= totx[3];
11 : SDO <= totx[2];
12 : SDO <= totx[2];
13 : SDO <= totx[1];
14 : SDO <= totx[1];
15 : SDO <= totx[0];
16 : SDO <= totx[0];
endcase
// case (is216)
// 3 : torx[6] <= SDI;
// 5 : torx[5] <= SDI;
// 7 : torx[4] <= SDI;
// 9 : torx[3] <= SDI;
// 11 : torx[2] <= SDI;
// 13 : torx[1] <= SDI;
// 15 : torx[0] <= SDI;
// endcase
case (is216)
csx_low <= 1;
is16 <= is16 + 1;
case (is16+1)
2 : SDO <= totx[7];
3 : SDO <= totx[6];
4 : SDO <= totx[6];
5 : SDO <= totx[5];
6 : SDO <= totx[5];
7 : SDO <= totx[4];
8 : SDO <= totx[4];
9 : SDO <= totx[3];
10 : SDO <= totx[3];
11 : SDO <= totx[2];
12 : SDO <= totx[2];
13 : SDO <= totx[1];
14 : SDO <= totx[1];
15 : SDO <= totx[0];
16 : SDO <= totx[0];
endcase
case (is16)
1 : torx[7] <= SDI;
3 : torx[6] <= SDI;
5 : torx[5] <= SDI;
7 : torx[4] <= SDI;
9 : torx[3] <= SDI;
11 : torx[2] <= SDI;
13 : torx[1] <= SDI;
15 : torx[0] <= SDI;
endcase
case (is16)
2 : out <= (out<<1);
4 : out <= (out<<1);
6 : out <= (out<<1);
@ -100,7 +98,7 @@ module SPI(
12 : out <= (out<<1);
14 : out <= (out<<1);
endcase
case (is216)
case (is16)
2 : out[0] <= torx[7];
4 : out[0] <= torx[6];
6 : out[0] <= torx[5];
@ -109,19 +107,18 @@ module SPI(
12 : out[0] <= torx[2];
14 : out[0] <= torx[1];
endcase
case (is216)
2 : out[15:8] <= {8'b10000000};
4 : out[15:8] <= {8'b10000000};
6 : out[15:8] <= {8'b10000000};
8 : out[15:8] <= {8'b10000000};
10 : out[15:8] <= {8'b10000000};
12 : out[15:8] <= {8'b10000000};
14 : out[15:8] <= {8'b10000000};
case (is16)
2 : out[15:8] <= 8'b10000000;
4 : out[15:8] <= 8'b10000000;
6 : out[15:8] <= 8'b10000000;
8 : out[15:8] <= 8'b10000000;
10 : out[15:8] <= 8'b10000000;
12 : out[15:8] <= 8'b10000000;
14 : out[15:8] <= 8'b10000000;
endcase
end
end else begin
CSX <= CSX;
out <= out? out : 16'b0;
out <= out_low? 16'b0 : out;
end
end
endmodule

39
06_IO_Devices/SRAM_D.v
View File

@ -16,27 +16,32 @@ module SRAM_D(
output [15:0] out,
inout [15:0] DATA, // SRAM data 16 Bit
output CSX, // SRAM chip_enable_not
output reg OEX, // SRAM output_enable_not
output reg WEX // SRAM write_enable_not
output OEX, // SRAM output_enable_not
output WEX // SRAM write_enable_not
);
// Put your code here:
reg [15:0] to_sram;
always @(posedge clk) begin
if (load) begin
OEX <= 1;
WEX <= 0;
to_sram <= in;
end else begin
OEX <= 0;
WEX <= 1;
end
end
//DFF DFF(clk, load, LOAD);
//Register Register(clk, in, load, to_sram);
// assign OEX = (LOAD) ? 1 : 0;
// assign WEX = (LOAD) ? 0 : 1;
wire LOAD;
wire [15:0] to_sram;
// always @(posedge clk) begin
// if (load) begin
// OEX <= 1;
// WEX <= 0;
// //to_sram <= in;
// end else begin
// OEX <= 0;
// WEX <= 1;
// end
// end
assign CSX = 0;
assign OEX = (LOAD) ? 1 : 0;
assign WEX = (LOAD) ? 0 : 1;
DFF DFF(clk, load, LOAD);
Register Register(clk, in, load, to_sram);
//if (dir == 0) IN: PIN are set to High-Z, dataR = external PIN
//if (dir == 1) OUTPUT: dataW is output to external PIN, dataR = dataW
InOut InOut(DATA, to_sram, out, OEX);
endmodule

8
06_IO_Devices/UartRX.v
View File

@ -17,13 +17,15 @@ module UartRX(
// Put your code here:
wire clkdRX;
reg active=0;
reg out_set=0;
reg [7:0] uart;
reg [3:0] nthbit;
reg [11:0] is216;
reg [9:0] is216;
always @(posedge clk) begin
out <= clear ? 16'h8000 : out;
out_set <= clear ? 1 : out_set;
out <= clear ? 16'h8000 : (out_set ? out : 16'h0000);
if ((active==0) && (RX == 0)) begin
out_set <=1;
active <= 1;
is216 <= 1;
uart <= 0;

2
06_IO_Devices/UartTX.v
View File

@ -20,7 +20,7 @@ module UartTX(
reg active=0;
reg [7:0] to_send;
reg [3:0] nthbit=0;
reg [11:0] is216;
reg [9:0] is216;
always @(posedge clk) begin
out <= (load || active) ? 16'h8000 : 16'h0000;