Complemento para periférico SPWM (#74)

* Add files via upload * Delete peripherals/spwm/testbench_spwm.vdh.vhd * Add files via upload * Complementando periférico SPWM * Complementando periférico SPWM * Complementando periférico SPWM * Complementando periférico SPWM
xtarke · Sep 10, 2024 · c00b34f · c00b34f
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diff --git a/peripherals/spwm/README.md b/peripherals/spwm/README.md
@@ -9,7 +9,15 @@ Implementação de um componente VHDL gerador de PWM senoidal a partir da compar
 
 - `reset`: sinal de reset do periférico, deve ser conectado ao barramento do `reset` do _core_.  
 
-- `sine_spwm`: Saída do pwm senoidal gerado pelo hardware
+- `sel_modulation`: Seleciona qual modulação será apresentada na saída.
+
+- `sine_spwm1`: Saída 1 do pwm senoidal gerado pelo hardware.
+
+- `sine_spwm2`: Saída 2 do pwm senoidal gerado pelo hardware.
+
+- `sine_spwm3`: Saída 3 do pwm senoidal gerado pelo hardware.
+
+- `sine_spwm4`: Saída 4 do pwm senoidal gerado pelo hardware.
 
 
 ## Funcionamento
@@ -19,14 +27,48 @@ Os valores da portadora são atualizados a partir de uma tabela de valores da se
 
 O valor da moduladora segue a lógica de uma onda triangular de acordo com o valor de contagem máxima e uma variável de fator de multiplicação para que possa ser implementada modulação de amplitude.
 
-É feita a comparaçao entre portadora e moduladora e o sinal pwm é gerado na saída sine_spwm. Observe abaixo a lógica implementada e o exemplo simulado via PSIM.
+É feita a comparaçao entre portadora e moduladora e o sinal pwm é gerado nas saídas sine_spwm. É possível selecionar qual modulação será escolhida, Bipolar ou Unipolar.
+
+Observe abaixo a lógica implementada e o exemplo simulado via PSIM.
+
+## Modulação Bipolar
 
-- sine_spwm = 1  quando Vseno > Vtriangular
-- sine_spwm = 0  quando Vseno < Vtriangular
+- sine_spwm1 = 1  quando Vseno > Vtriangular
+- sine_spwm1 = 0  quando Vseno < Vtriangular
 
 <p align="center">
 <img src="https://github.com/xtarke/riscv-multicycle/blob/master/peripherals/spwm/spwm_example.png" width="436" height="326">
 
+Em uma aplicação para inversores monofásicos utilizamos 4 chaves, precisamos apenas de 1 sinal comparado com a tabela e seu complementar. A disposição das chaves ficam exemplificados abaixo:
+
+
+- Chave 1 = Chave 3 = sine_spwm1 = sine_spwm3
+- Chave 2 = Chave 4 = sine_spwm2 = sine_spwm4
+
+## Modulação Unipolar
+
+O modelo de chaveamento segue da mesma forma que a modulação bipolar, porém agora com um sinal defasado.
+
+- sine_spwm1 = 1  quando Vseno > Vtriangular
+- sine_spwm1 = 0  quando Vseno < Vtriangular
+- sine_spwm2 = 1  quando Vseno_offset > Vtriangular
+- sine_spwm2 = 0  quando Vseno_offset < Vtriangular
+
+<p align="center">
+<img src="https://github.com/RamonSerafim/riscv-multicycle/blob/master/peripherals/spwm/spwm_example_unipolar.png" width="436" height="326">
+
+
+
+Em uma aplicação para inversores monofásicos utilizamos 4 chaves, precisamos de 2 sinais comparado com a tabela e seus complementares. A primeira tabela disponibilizando 1 sinal e seu complementar e a outra tabela sendo defasada 180º da primeira, tendo como resposta 1 sinal e seu complementar  A disposição das chaves ficam exemplificados abaixo:
+
+
+
+
+- Chave 1 = sine_spwm1 = a partir de table_sine
+- Chave 2 = sine_spwm2 = a partir de table_sine_offset
+- Chave 3 = sine_spwm3 = complementar de sine_spwm1 
+- Chave 4 = sine_spwm4 = complementar de sine_spwm2
+
 ## Simulação
 
 Os valores a seguir foram gerados no Questa utilizando os arquivos de testbench e também o exemplo de software main_spwm.c encontrado nesse repositório, no caminho software/spwm/.
@@ -44,4 +86,4 @@ Foi aplicado um zoom para mostrar os valores das ondas de referência e portador
 ## Sugestões
 - Testar lógica de modulação de amplitude
 - Adequar o componente para N saídas e com a lógica de chaveamento para - aplicação. Exemplos: conversor B6, inversor monofásico
-- Gerar a tabela de valores da senoide em tempo de compilação
+- Gerar a tabela de valores da senoide em tempo de compilação
diff --git a/peripherals/spwm/sine_values.txt b/peripherals/spwm/sine_values.txt
@@ -98,3 +98,105 @@
   -6140, -5938, -5735, -5532, -5329, -5126, -4922, -4719, -4515, -4311,
   -4107, -3902, -3698, -3493, -3289, -3084, -2879, -2673, -2468, -2263,
   -2057, -1852, -1646, -1441, -1235, -1029,  -823,  -618,  -412,  -206]
+
+  Tabela defasada 90 graus
+  [      0,  -206,  -412,  -618,  -823, -1029, -1235, -1441, -1646, -1852,
+  -2057, -2263, -2468, -2673, -2879, -3084, -3289, -3493, -3698, -3902,
+  -4107, -4311, -4515, -4719, -4922, -5126, -5329, -5532, -5735, -5938,
+  -6140, -6342, -6544, -6746, -6947, -7148, -7349, -7549, -7749, -7949,
+  -8149, -8348, -8547, -8746, -8944, -9142, -9339, -9536, -9733, -9930,
+ -10126,-10321,-10516,-10711,-10905,-11099,-11293,-11486,-11679,-11871,
+ -12062,-12254,-12444,-12634,-12824,-13013,-13202,-13390,-13578,-13765,
+ -13952,-14138,-14323,-14508,-14692,-14876,-15059,-15242,-15424,-15605,
+ -15786,-15966,-16145,-16324,-16502,-16680,-16857,-17033,-17208,-17383,
+ -17557,-17731,-17904,-18076,-18247,-18418,-18588,-18757,-18925,-19093,
+ -19260,-19426,-19592,-19756,-19920,-20083,-20245,-20407,-20568,-20727,
+ -20886,-21045,-21202,-21359,-21514,-21669,-21823,-21976,-22129,-22280,
+ -22431,-22580,-22729,-22877,-23024,-23170,-23315,-23459,-23602,-23745,
+ -23886,-24027,-24166,-24305,-24442,-24579,-24715,-24849,-24983,-25116,
+ -25247,-25378,-25508,-25637,-25764,-25891,-26017,-26141,-26265,-26388,
+ -26509,-26630,-26749,-26867,-26985,-27101,-27216,-27330,-27443,-27555,
+ -27666,-27776,-27885,-27992,-28099,-28204,-28308,-28411,-28513,-28614,
+ -28714,-28813,-28910,-29006,-29102,-29196,-29289,-29380,-29471,-29560,
+ -29648,-29736,-29821,-29906,-29990,-30072,-30153,-30233,-30312,-30390,
+ -30466,-30541,-30615,-30688,-30759,-30830,-30899,-30967,-31034,-31099,
+ -31163,-31226,-31288,-31349,-31408,-31466,-31523,-31578,-31633,-31686,
+ -31738,-31788,-31837,-31886,-31932,-31978,-32022,-32065,-32107,-32147,
+ -32187,-32225,-32261,-32297,-32331,-32364,-32395,-32425,-32454,-32482,
+ -32509,-32534,-32558,-32580,-32602,-32622,-32640,-32658,-32674,-32689,
+ -32702,-32715,-32726,-32735,-32744,-32751,-32757,-32761,-32764,-32766,
+ -32767,-32766,-32764,-32761,-32757,-32751,-32744,-32735,-32726,-32715,
+ -32702,-32689,-32674,-32658,-32640,-32622,-32602,-32580,-32558,-32534,
+ -32509,-32482,-32454,-32425,-32395,-32364,-32331,-32297,-32261,-32225,
+ -32187,-32147,-32107,-32065,-32022,-31978,-31932,-31886,-31837,-31788,
+ -31738,-31686,-31633,-31578,-31523,-31466,-31408,-31349,-31288,-31226,
+ -31163,-31099,-31034,-30967,-30899,-30830,-30759,-30688,-30615,-30541,
+ -30466,-30390,-30312,-30233,-30153,-30072,-29990,-29906,-29821,-29736,
+ -29648,-29560,-29471,-29380,-29289,-29196,-29102,-29006,-28910,-28813,
+ -28714,-28614,-28513,-28411,-28308,-28204,-28099,-27992,-27885,-27776,
+ -27666,-27555,-27443,-27330,-27216,-27101,-26985,-26867,-26749,-26630,
+ -26509,-26388,-26265,-26141,-26017,-25891,-25764,-25637,-25508,-25378,
+ -25247,-25116,-24983,-24849,-24715,-24579,-24442,-24305,-24166,-24027,
+ -23886,-23745,-23602,-23459,-23315,-23170,-23024,-22877,-22729,-22580,
+ -22431,-22280,-22129,-21976,-21823,-21669,-21514,-21359,-21202,-21045,
+ -20886,-20727,-20568,-20407,-20245,-20083,-19920,-19756,-19592,-19426,
+ -19260,-19093,-18925,-18757,-18588,-18418,-18247,-18076,-17904,-17731,
+ -17557,-17383,-17208,-17033,-16857,-16680,-16502,-16324,-16145,-15966,
+ -15786,-15605,-15424,-15242,-15059,-14876,-14692,-14508,-14323,-14138,
+ -13952,-13765,-13578,-13390,-13202,-13013,-12824,-12634,-12444,-12254,
+ -12062,-11871,-11679,-11486,-11293,-11099,-10905,-10711,-10516,-10321,
+ -10126, -9930, -9733, -9536, -9339, -9142, -8944, -8746, -8547, -8348,
+  -8149, -7949, -7749, -7549, -7349, -7148, -6947, -6746, -6544, -6342,
+  -6140, -5938, -5735, -5532, -5329, -5126, -4922, -4719, -4515, -4311,
+  -4107, -3902, -3698, -3493, -3289, -3084, -2879, -2673, -2468, -2263,
+  -2057, -1852, -1646, -1441, -1235, -1029,  -823,  -618,  -412,  -206,
+      0,   206,   412,   618,   823,  1029,  1235,  1441,  1646,  1852,
+   2057,  2263,  2468,  2673,  2879,  3084,  3289,  3493,  3698,  3902,
+   4107,  4311,  4515,  4719,  4922,  5126,  5329,  5532,  5735,  5938,
+   6140,  6342,  6544,  6746,  6947,  7148,  7349,  7549,  7749,  7949,
+   8149,  8348,  8547,  8746,  8944,  9142,  9339,  9536,  9733,  9930,
+  10126, 10321, 10516, 10711, 10905, 11099, 11293, 11486, 11679, 11871,
+  12062, 12254, 12444, 12634, 12824, 13013, 13202, 13390, 13578, 13765,
+  13952, 14138, 14323, 14508, 14692, 14876, 15059, 15242, 15424, 15605,
+  15786, 15966, 16145, 16324, 16502, 16680, 16857, 17033, 17208, 17383,
+  17557, 17731, 17904, 18076, 18247, 18418, 18588, 18757, 18925, 19093,
+  19260, 19426, 19592, 19756, 19920, 20083, 20245, 20407, 20568, 20727,
+  20886, 21045, 21202, 21359, 21514, 21669, 21823, 21976, 22129, 22280,
+  22431, 22580, 22729, 22877, 23024, 23170, 23315, 23459, 23602, 23745,
+  23886, 24027, 24166, 24305, 24442, 24579, 24715, 24849, 24983, 25116,
+  25247, 25378, 25508, 25637, 25764, 25891, 26017, 26141, 26265, 26388,
+  26509, 26630, 26749, 26867, 26985, 27101, 27216, 27330, 27443, 27555,
+  27666, 27776, 27885, 27992, 28099, 28204, 28308, 28411, 28513, 28614,
+  28714, 28813, 28910, 29006, 29102, 29196, 29289, 29380, 29471, 29560,
+  29648, 29736, 29821, 29906, 29990, 30072, 30153, 30233, 30312, 30390,
+  30466, 30541, 30615, 30688, 30759, 30830, 30899, 30967, 31034, 31099,
+  31163, 31226, 31288, 31349, 31408, 31466, 31523, 31578, 31633, 31686,
+  31738, 31788, 31837, 31886, 31932, 31978, 32022, 32065, 32107, 32147,
+  32187, 32225, 32261, 32297, 32331, 32364, 32395, 32425, 32454, 32482,
+  32509, 32534, 32558, 32580, 32602, 32622, 32640, 32658, 32674, 32689,
+  32702, 32715, 32726, 32735, 32744, 32751, 32757, 32761, 32764, 32766,
+  32767, 32766, 32764, 32761, 32757, 32751, 32744, 32735, 32726, 32715,
+  32702, 32689, 32674, 32658, 32640, 32622, 32602, 32580, 32558, 32534,
+  32509, 32482, 32454, 32425, 32395, 32364, 32331, 32297, 32261, 32225,
+  32187, 32147, 32107, 32065, 32022, 31978, 31932, 31886, 31837, 31788,
+  31738, 31686, 31633, 31578, 31523, 31466, 31408, 31349, 31288, 31226,
+  31163, 31099, 31034, 30967, 30899, 30830, 30759, 30688, 30615, 30541,
+  30466, 30390, 30312, 30233, 30153, 30072, 29990, 29906, 29821, 29736,
+  29648, 29560, 29471, 29380, 29289, 29196, 29102, 29006, 28910, 28813,
+  28714, 28614, 28513, 28411, 28308, 28204, 28099, 27992, 27885, 27776,
+  27666, 27555, 27443, 27330, 27216, 27101, 26985, 26867, 26749, 26630,
+  26509, 26388, 26265, 26141, 26017, 25891, 25764, 25637, 25508, 25378,
+  25247, 25116, 24983, 24849, 24715, 24579, 24442, 24305, 24166, 24027,
+  23886, 23745, 23602, 23459, 23315, 23170, 23024, 22877, 22729, 22580,
+  22431, 22280, 22129, 21976, 21823, 21669, 21514, 21359, 21202, 21045,
+  20886, 20727, 20568, 20407, 20245, 20083, 19920, 19756, 19592, 19426,
+  19260, 19093, 18925, 18757, 18588, 18418, 18247, 18076, 17904, 17731,
+  17557, 17383, 17208, 17033, 16857, 16680, 16502, 16324, 16145, 15966,
+  15786, 15605, 15424, 15242, 15059, 14876, 14692, 14508, 14323, 14138,
+  13952, 13765, 13578, 13390, 13202, 13013, 12824, 12634, 12444, 12254,
+  12062, 11871, 11679, 11486, 11293, 11099, 10905, 10711, 10516, 10321,
+  10126,  9930,  9733,  9536,  9339,  9142,  8944,  8746,  8547,  8348,
+   8149,  7949,  7749,  7549,  7349,  7148,  6947,  6746,  6544,  6342,
+   6140,  5938,  5735,  5532,  5329,  5126,  4922,  4719,  4515,  4311,
+   4107,  3902,  3698,  3493,  3289,  3084,  2879,  2673,  2468,  2263,
+   2057,  1852,  1646,  1441,  1235,  1029,   823,   618,   412,   206]
diff --git a/peripherals/spwm/sint/de10_lite/de10_lite.qsf b/peripherals/spwm/sint/de10_lite/de10_lite.qsf
@@ -42,7 +42,7 @@ set_global_assignment -name DEVICE 10M50DAF484C7G
 set_global_assignment -name TOP_LEVEL_ENTITY de10_lite
 set_global_assignment -name ORIGINAL_QUARTUS_VERSION 15.0.0
 set_global_assignment -name PROJECT_CREATION_TIME_DATE "18:49:34  JUNE 20, 2019"
-set_global_assignment -name LAST_QUARTUS_VERSION "21.1.1 Lite Edition"
+set_global_assignment -name LAST_QUARTUS_VERSION "21.1.1 Standard Edition"
 set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
 set_global_assignment -name MIN_CORE_JUNCTION_TEMP 0
 set_global_assignment -name MAX_CORE_JUNCTION_TEMP 85
@@ -241,4 +241,5 @@ set_global_assignment -name VHDL_FILE de10_lite.vhd
 set_global_assignment -name QIP_FILE pll.qip
 set_global_assignment -name SOURCE_FILE db/de10_lite.cmp.rdb
 set_global_assignment -name VHDL_FILE ../../../gpio/led_displays.vhd
+set_global_assignment -name MIF_FILE output_files/tabela_seno.mif
 set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
diff --git a/peripherals/spwm/sint/de10_lite/de10_lite.vhd b/peripherals/spwm/sint/de10_lite/de10_lite.vhd
@@ -123,8 +123,11 @@ architecture rtl of de10_lite is
     signal ddata_r_dig_fil : std_logic_vector(31 downto 0);
     signal ddata_r_stepmot : std_logic_vector(31 downto 0);
     signal ddata_r_lcd : std_logic_vector(31 downto 0);
-		signal ddata_r_nn_accelerator : std_logic_vector(31 downto 0);
-		signal ddata_r_fir_fil : std_logic_vector(31 downto 0);
+	signal ddata_r_nn_accelerator : std_logic_vector(31 downto 0);
+	signal ddata_r_fir_fil : std_logic_vector(31 downto 0);
+	signal ddata_r_crc : std_logic_vector(31 downto 0);
+	signal ddata_r_key : std_logic_vector(31 downto 0);
+	signal ddata_r_accelerometer : std_logic_vector(31 downto 0);
 
     -- Interrupt Signals
     signal interrupts : std_logic_vector(31 downto 0);
@@ -133,8 +136,12 @@ architecture rtl of de10_lite is
 
     -- I/O signals
     signal input_in : std_logic_vector(31 downto 0);
-
 	 signal switching_sine           : std_logic;
+
+	 --Timer
+	 signal ifcap : std_logic ;     -- capture flag
+
+	 signal sel_modulation : std_logic;
 
 begin
 
@@ -174,7 +181,11 @@ begin
 	port map(
 		clock     => clk_50MHz,
 		reset     => rst,
+		sel_modulation => SW(5),
 		sine_pwm1 => ARDUINO_IO(0),
+		sine_pwm2 => ARDUINO_IO(2),
+		sine_pwm3 => ARDUINO_IO(4),
+      sine_pwm4 => ARDUINO_IO(6),
 		daddress  => daddress,
 		ddata_w   => ddata_w,
 		ddata_r   => ddata_r_spwm,
@@ -217,6 +228,7 @@ begin
 	-- 0x20000    ->    Data memory
 	-- 0x40000    ->    Input/Output generic address space
 	-- ( ... )    ->    ( ... )
+
 	datamux: entity work.databusmux
 		port map(
 			dcsel        => dcsel,
@@ -263,10 +275,14 @@ begin
             ddata_r_periph   => ddata_r_periph,
 				ddata_r_spwm	  => ddata_r_spwm,
             ddata_r_dif_fil  => ddata_r_dig_fil,
-						ddata_r_stepmot  => ddata_r_stepmot,
-						ddata_r_lcd      => ddata_r_lcd,
-						ddata_r_fir_fil  => ddata_r_fir_fil,
-						ddata_r_nn_accelerator => ddata_r_nn_accelerator
+				ddata_r_stepmot  => ddata_r_stepmot,
+				ddata_r_lcd      => ddata_r_lcd,
+				ddata_r_fir_fil  => ddata_r_fir_fil,
+				ddata_r_nn_accelerator => ddata_r_nn_accelerator,
+				ddata_r_crc      => ddata_r_crc,
+				ddata_r_key      => ddata_r_key,
+				ddata_r_accelerometer      => ddata_r_accelerometer
+
         );
 
 			generic_gpio: entity work.gpio
@@ -301,7 +317,8 @@ begin
 			      d_rd     => d_rd,
 			      dcsel    => dcsel,
 			      dmask    => dmask,
-			      timer_interrupt => timer_interrupt
+			      timer_interrupt => timer_interrupt,                                     
+					ifcap => ifcap
 			  );
 
 			generic_displays : entity work.led_displays