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Merged
merged 7 commits into from
Apr 13, 2023
Merged

Merge dev to main for release 2023.1 #30

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8908c04
Add dataflow pragma to examples.
LannyLianMCHP Jan 15, 2023
202b003
Training 1: Simplify Canny_FIFO_Switch to use bool switches
SHLegupMCHP Feb 9, 2023
d1f9c63
Merge pull request #28 from MicrochipTech/canny_fifo_dataflow_update
SHLegupMCHP Feb 13, 2023
8d68672
Update Sobel tutorial doc for 2022.3
siupakmok Feb 28, 2023
8ce37ca
Update libero core versions for training 1-3
duc-tran-mchp Mar 9, 2023
fa558e6
Merge pull request #29 from MicrochipTech/update_training_2023.1
duc-tran-mchp Mar 17, 2023
2475fbd
Set dialect to C++11
siupakmok Mar 20, 2023
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1 change: 1 addition & 0 deletions Training1/Canny/.cproject
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Expand Up @@ -21,6 +21,7 @@
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1 change: 1 addition & 0 deletions Training1/Canny/canny.cpp
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Expand Up @@ -6,6 +6,7 @@
void canny(hls::FIFO<unsigned char> &input_fifo,
hls::FIFO<unsigned char> &output_fifo) {
#pragma HLS function top
#pragma HLS function dataflow

hls::FIFO<unsigned char> output_fifo_gf(/* depth = */ 2);
hls::FIFO<unsigned short> output_fifo_sf(/* depth = */ 2);
Expand Down
1 change: 1 addition & 0 deletions Training1/Canny_FIFO_Switch/.cproject
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Expand Up @@ -21,6 +21,7 @@
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46 changes: 23 additions & 23 deletions Training1/Canny_FIFO_Switch/canny.cpp
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Expand Up @@ -3,31 +3,32 @@

#include <assert.h>

void canny(hls::FIFO<hls::ap_uint<1>> &switch_fifo_0,
hls::FIFO<hls::ap_uint<1>> &switch_fifo_1,
hls::FIFO<hls::ap_uint<1>> &switch_fifo_2,
hls::FIFO<hls::ap_uint<1>> &switch_fifo_3,
void canny(bool switch_0,
bool switch_1,
bool switch_2,
bool switch_3,
hls::FIFO<unsigned char> &input_fifo,
hls::FIFO<unsigned char> &output_fifo) {
#pragma HLS function top
#pragma HLS function dataflow

hls::FIFO<unsigned char> output_fifo_gf(/* depth = */ 2);
hls::FIFO<unsigned short> output_fifo_sf(/* depth = */ 2);
hls::FIFO<unsigned char> output_fifo_nm(/* depth = */ 2);

gaussian_filter(switch_fifo_0, input_fifo, output_fifo_gf);
sobel_filter(switch_fifo_1, output_fifo_gf, output_fifo_sf);
nonmaximum_suppression(switch_fifo_2, output_fifo_sf, output_fifo_nm);
hysteresis_filter(switch_fifo_3, output_fifo_nm, output_fifo);
gaussian_filter(switch_0, input_fifo, output_fifo_gf);
sobel_filter(switch_1, output_fifo_gf, output_fifo_sf);
nonmaximum_suppression(switch_2, output_fifo_sf, output_fifo_nm);
hysteresis_filter(switch_3, output_fifo_nm, output_fifo);
}

int main() {
unsigned int i, j;

hls::FIFO<hls::ap_uint<1>> switch_fifo_0(/* depth = */ WIDTH * HEIGHT * 2);
hls::FIFO<hls::ap_uint<1>> switch_fifo_1(/* depth = */ WIDTH * HEIGHT * 2);
hls::FIFO<hls::ap_uint<1>> switch_fifo_2(/* depth = */ WIDTH * HEIGHT * 2);
hls::FIFO<hls::ap_uint<1>> switch_fifo_3(/* depth = */ WIDTH * HEIGHT * 2);
bool switch_0;
bool switch_1;
bool switch_2;
bool switch_3;
hls::FIFO<unsigned char> input_fifo(/* depth = */ WIDTH * HEIGHT * 2);
hls::FIFO<unsigned char> output_fifo(/* depth = */ WIDTH * HEIGHT * 2);

Expand Down Expand Up @@ -74,33 +75,32 @@ int main() {
nm_sw(sobel_output, nonmaximum_suppression_output);
hf_sw(nonmaximum_suppression_output, hysteresis_output_golden);

const hls::ap_uint<1> on = 1;
// Write test input pixels.
for (i = 0; i < HEIGHT; i++) {
for (j = 0; j < WIDTH; j++) {
switch_fifo_0.write(on);
switch_fifo_1.write(on);
switch_fifo_2.write(on);
switch_fifo_3.write(on);
switch_0 = true;
switch_1 = true;
switch_2 = true;
switch_3 = true;
unsigned char r = input_channel->r;
unsigned char g = input_channel->g;
unsigned char b = input_channel->b;
unsigned grayscale = (r + g + b) / 3;
input_fifo.write(grayscale);
canny(switch_fifo_0, switch_fifo_1, switch_fifo_2, switch_fifo_3,
canny(switch_0, switch_1, switch_2, switch_3,
input_fifo, output_fifo);
input_channel++;
}
}

// Give more inputs to flush out all pixels.
for (i = 0; i < GF_KERNEL_SIZE * WIDTH + GF_KERNEL_SIZE; i++) {
switch_fifo_0.write(on);
switch_fifo_1.write(on);
switch_fifo_2.write(on);
switch_fifo_3.write(on);
switch_0 = true;
switch_1 = true;
switch_2 = true;
switch_3 = true;
input_fifo.write(0);
canny(switch_fifo_0, switch_fifo_1, switch_fifo_2, switch_fifo_3,
canny(switch_0, switch_1, switch_2, switch_3,
input_fifo, output_fifo);
}

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8 changes: 4 additions & 4 deletions Training1/Canny_FIFO_Switch/define.hpp
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Expand Up @@ -25,29 +25,29 @@ void window_and_line_buffer(hls::ap_uint<10> input,

// Gaussian Filter.
const unsigned int GF_KERNEL_SIZE = 5;
void gaussian_filter(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
void gaussian_filter(bool on_switch,
hls::FIFO<unsigned char> &input_fifo,
hls::FIFO<unsigned char> &output_fifo);
void gf_sw(unsigned char input[][WIDTH], unsigned char output[][WIDTH]);

// Sobel Filter.
const unsigned int SF_KERNEL_SIZE = 3;
void sf_sw(unsigned char input[][WIDTH], hls::ap_uint<10> output[][WIDTH]);
void sobel_filter(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
void sobel_filter(bool on_switch,
hls::FIFO<unsigned char> &input_fifo,
hls::FIFO<unsigned short> &output_fifo);

// Non-maximum suppression.
const unsigned int NM_KERNEL_SIZE = 3;
void nonmaximum_suppression(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
void nonmaximum_suppression(bool on_switch,
hls::FIFO<unsigned short> &input_fifo,
hls::FIFO<unsigned char> &output_fifo);
void nm_sw(hls::ap_uint<10> input[][WIDTH], unsigned char output[][WIDTH]);

// Hysteresis filter.
const unsigned int HF_KERNEL_SIZE = 3;
void hf_sw(unsigned char input[][WIDTH], unsigned char output[][WIDTH]);
void hysteresis_filter(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
void hysteresis_filter(bool on_switch,
hls::FIFO<unsigned char> &input_fifo,
hls::FIFO<unsigned char> &output_fifo);

Expand Down
9 changes: 4 additions & 5 deletions Training1/Canny_FIFO_Switch/gaussian_filter.cpp
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Expand Up @@ -10,7 +10,7 @@ const unsigned int GAUSSIAN[GF_KERNEL_SIZE]
{1, 3, 4, 3, 1}};
const unsigned int DIVISOR = 128;

void gaussian_filter(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
void gaussian_filter(bool on_switch,
hls::FIFO<unsigned char> &input_fifo,
hls::FIFO<unsigned char> &output_fifo) {
#pragma HLS function pipeline
Expand Down Expand Up @@ -46,10 +46,9 @@ void gaussian_filter(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
unsigned char current_pixel = line_buffer.window[center][center];

// if filter is off, pass pixel through
bool on = switch_fifo.read();
if (!on) {
output_fifo.write(current_pixel);
return;
if (!on_switch) {
output_fifo.write(current_pixel);
return;
}

if (outofbounds) {
Expand Down
5 changes: 2 additions & 3 deletions Training1/Canny_FIFO_Switch/hysteresis_filter.cpp
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@@ -1,7 +1,7 @@
#include "define.hpp"
#include <hls/image_processing.hpp>

void hysteresis_filter(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
void hysteresis_filter(bool on_switch,
hls::FIFO<unsigned char> &input_fifo,
hls::FIFO<unsigned char> &output_fifo) {
#pragma HLS function pipeline
Expand Down Expand Up @@ -37,8 +37,7 @@ void hysteresis_filter(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
unsigned char current_pixel = line_buffer.window[center][center];

// if filter is off, pass pixel through
bool on = switch_fifo.read();
if (!on) {
if (!on_switch) {
output_fifo.write(current_pixel);
return;
}
Expand Down
15 changes: 7 additions & 8 deletions Training1/Canny_FIFO_Switch/nonmaximum_suppression.cpp
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@@ -1,8 +1,8 @@
#include "define.hpp"
#include <hls/image_processing.hpp>

void nonmaximum_suppression(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
hls::FIFO<unsigned short> &input_fifo,
void nonmaximum_suppression(bool on_switch,
hls::FIFO<unsigned short> &input_fifo,
hls::FIFO<unsigned char> &output_fifo) {
#pragma HLS function pipeline

Expand Down Expand Up @@ -36,12 +36,11 @@ void nonmaximum_suppression(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
unsigned int center = NM_KERNEL_SIZE / 2;
int current_pixel = (int)line_buffer.window[center][center] & 0xff;

// if filter is off, pass pixel through
bool on = switch_fifo.read();
if (!on) {
output_fifo.write(current_pixel);
return;
}
// if filter is off, pass pixel through
if (!on_switch) {
output_fifo.write(current_pixel);
return;
}

if (outofbounds) {
output_fifo.write(current_pixel);
Expand Down
7 changes: 3 additions & 4 deletions Training1/Canny_FIFO_Switch/sobel_filter.cpp
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Expand Up @@ -6,8 +6,8 @@ const int GX[SF_KERNEL_SIZE]
const int GY[SF_KERNEL_SIZE]
[SF_KERNEL_SIZE] = {{1, 2, 1}, {0, 0, 0}, {-1, -2, -1}};

void sobel_filter(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
hls::FIFO<unsigned char> &input_fifo,
void sobel_filter(bool on_switch,
hls::FIFO<unsigned char> &input_fifo,
hls::FIFO<unsigned short> &output_fifo) {
#pragma HLS function pipeline

Expand Down Expand Up @@ -42,8 +42,7 @@ void sobel_filter(hls::FIFO<hls::ap_uint<1>> &switch_fifo,
unsigned char current_pixel = line_buffer.window[center][center];

// if filter is off, pass pixel through
bool on = switch_fifo.read();
if (!on) {
if (!on_switch) {
output_fifo.write(current_pixel);
return;
}
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1 change: 1 addition & 0 deletions Training1/Gaussian_FIFO_Pipelined/.cproject
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Expand Up @@ -21,6 +21,7 @@
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1 change: 1 addition & 0 deletions Training1/Gaussian_Memory_Interface/.cproject
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Expand Up @@ -21,6 +21,7 @@
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1 change: 1 addition & 0 deletions Training1/Gaussian_Memory_Interface_Pipelined/.cproject
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Expand Up @@ -21,6 +21,7 @@
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6 changes: 3 additions & 3 deletions Training1/Libero/libero_flow.tcl
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Expand Up @@ -6,13 +6,13 @@ set PF_CCC_version 2.2.220
set Display_Controller_version 3.1.2
set HDMI_RX_version 4.2.0
set HDMI_TX_version 1.0.2
set PF_TX_PLL_version 2.0.300
set PF_TX_PLL_version 2.0.302
set PF_XCVR_ERM_version 3.1.200
set PF_XCVR_REF_CLK_version 1.0.103
set CORERESET_PF_version 2.2.107
set CORERXIODBITALIGN_version 2.1.104
set PF_IOD_GENERIC_RX_version 2.1.110
set PF_DDR4_version 2.5.109
set PF_DDR4_version 2.5.111
set PF_SRAM_AHBL_AXI_version 1.2.110
set mipicsi2rxdecoderPF_version 2.2.5
set COREAHBTOAPB3_version 3.1.100
Expand All @@ -21,7 +21,7 @@ set CoreAPB3_version 4.1.100
set CoreGPIO_version 3.2.102
set COREJTAGDEBUG_version 3.1.100
set CoreAHBLite_version 5.4.102
set PF_INIT_MONITOR_version 2.0.304
set PF_INIT_MONITOR_version 2.0.307
set MIV_RV32IMA_L1_AHB_version 2.3.100
set COREUART_version 5.6.102
set Bayer_Interpolation_version 3.0.2
Expand Down
20 changes: 4 additions & 16 deletions Training1/Libero/src/components/LegUp_Image_Filters.tcl
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Expand Up @@ -50,23 +50,11 @@ sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:input_fifo_axi4s
sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:output_fifo_axi4stream} -pin_names {canny_top_0:output_fifo}
sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:output_fifo_axi4stream} -pin_names {canny_top_0:output_fifo_ready}
sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:output_fifo_axi4stream} -pin_names {canny_top_0:output_fifo_valid}
sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:switch_fifo_0_axi4stream} -pin_names {canny_top_0:switch_fifo_0}
sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:switch_fifo_0_axi4stream} -pin_names {canny_top_0:switch_fifo_0_valid}
sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:switch_fifo_1_axi4stream} -pin_names {canny_top_0:switch_fifo_1}
sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:switch_fifo_1_axi4stream} -pin_names {canny_top_0:switch_fifo_1_valid}
sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:switch_fifo_2_axi4stream} -pin_names {canny_top_0:switch_fifo_2}
sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:switch_fifo_2_axi4stream} -pin_names {canny_top_0:switch_fifo_2_valid}
sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:switch_fifo_3_axi4stream} -pin_names {canny_top_0:switch_fifo_3}
sd_show_bif_pins -sd_name ${sd_name} -bif_pin_name {canny_top_0:switch_fifo_3_axi4stream} -pin_names {canny_top_0:switch_fifo_3_valid}
sd_invert_pins -sd_name ${sd_name} -pin_names {canny_top_0:reset}
sd_connect_pins_to_constant -sd_name ${sd_name} -pin_names {canny_top_0:start} -value {VCC}
sd_mark_pins_unused -sd_name ${sd_name} -pin_names {canny_top_0:ready}
sd_mark_pins_unused -sd_name ${sd_name} -pin_names {canny_top_0:finish}
sd_connect_pins_to_constant -sd_name ${sd_name} -pin_names {canny_top_0:switch_fifo_0_valid} -value {VCC}
sd_connect_pins_to_constant -sd_name ${sd_name} -pin_names {canny_top_0:switch_fifo_3_valid} -value {VCC}
sd_connect_pins_to_constant -sd_name ${sd_name} -pin_names {canny_top_0:output_fifo_ready} -value {VCC}
sd_connect_pins_to_constant -sd_name ${sd_name} -pin_names {canny_top_0:switch_fifo_2_valid} -value {VCC}
sd_connect_pins_to_constant -sd_name ${sd_name} -pin_names {canny_top_0:switch_fifo_1_valid} -value {VCC}



Expand Down Expand Up @@ -157,10 +145,10 @@ sd_connect_pins -sd_name ${sd_name} -pin_names {"AND2_0:Y" "video_fifo_0:rresetn
sd_connect_pins -sd_name ${sd_name} -pin_names {"canny_top_0:clk" "clk" "delay_0:clk" "gaussian_filter_pipelined_top_0:clk" "switch_3_state_controller_top_0:clk" "video_fifo_0:rclock_i" "video_fifo_0:wclock_i" "video_fifo_1:rclock_i" "video_fifo_1:wclock_i" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"canny_top_0:input_fifo_valid" "gaussian_filter_pipelined_top_0:input_fifo_valid" "input_valid" "video_fifo_0:wen_i" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"canny_top_0:output_fifo_valid" "delay_0:valid_i" "video_fifo_0:ren_i" "video_fifo_1:ren_i" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"canny_top_0:switch_fifo_0" "gaussian_filter_pipelined_top_0:on_switch" "switches[0:0]" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"canny_top_0:switch_fifo_1" "switches[1:1]" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"canny_top_0:switch_fifo_2" "switches[2:2]" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"canny_top_0:switch_fifo_3" "switches[3:3]" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"canny_top_0:switch_0" "gaussian_filter_pipelined_top_0:on_switch" "switches[0:0]" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"canny_top_0:switch_1" "switches[1:1]" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"canny_top_0:switch_2" "switches[2:2]" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"canny_top_0:switch_3" "switches[3:3]" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"delay_0:valid_o" "output_valid" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"gaussian_filter_pipelined_top_0:output_fifo_valid" "video_fifo_1:wen_i" }
sd_connect_pins -sd_name ${sd_name} -pin_names {"switch_3_state_controller_top_0:toggle" "toggle" }
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