Writing a PWM Speed Test ⚠ Click here to regain focus ⚠
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0:07Recap and set the stage for the day
0:07Recap and set the stage for the day
0:07Recap and set the stage for the day
0:26Resume studying global_interrupts.c with a view to seeing how it uses the 16MHz clock speed1
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0:26Resume studying global_interrupts.c with a view to seeing how it uses the 16MHz clock speed1
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0:26Resume studying global_interrupts.c with a view to seeing how it uses the 16MHz clock speed1
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5:32Determine to test the speed at which the HiFive1 is running using PWM Interrupts2
5:32Determine to test the speed at which the HiFive1 is running using PWM Interrupts2
5:32Determine to test the speed at which the HiFive1 is running using PWM Interrupts2
7:50deathmaggedon Ahoy
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7:50deathmaggedon Ahoy
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7:50deathmaggedon Ahoy
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8:35Create test.c based on led_fade.c
8:35Create test.c based on led_fade.c
8:35Create test.c based on led_fade.c
11:03deathmaggedon I just noticed your board on the upper camera
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11:03deathmaggedon I just noticed your board on the upper camera
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11:03deathmaggedon I just noticed your board on the upper camera
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12:06Trim down test.c to the essentials
12:06Trim down test.c to the essentials
12:06Trim down test.c to the essentials
12:36deathmaggedon Plug your phone into the board
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12:36deathmaggedon Plug your phone into the board
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12:36deathmaggedon Plug your phone into the board
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13:47Remove the LED blinking and input handling code
13:47Remove the LED blinking and input handling code
13:47Remove the LED blinking and input handling code
18:48Set up the pulse-width modulator3 and the interrupts4
18:48Set up the pulse-width modulator3 and the interrupts4
18:48Set up the pulse-width modulator3 and the interrupts4
25:07Consult the other demos to see how they set up the interrupts
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25:07Consult the other demos to see how they set up the interrupts
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25:07Consult the other demos to see how they set up the interrupts
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29:40#include plic_driver.h and call PLIC_init()
29:40#include plic_driver.h and call PLIC_init()
29:40#include plic_driver.h and call PLIC_init()
32:25Register and set up our table of interrupts
32:25Register and set up our table of interrupts
32:25Register and set up our table of interrupts
36:31Introduce pwm_0_handler() and enable the interrupts
36:31Introduce pwm_0_handler() and enable the interrupts
36:31Introduce pwm_0_handler() and enable the interrupts
41:11Call the wfi instruction in a busy-loop
41:11Call the wfi instruction in a busy-loop
41:11Call the wfi instruction in a busy-loop
42:44Fix compile errors
42:44Fix compile errors
42:44Fix compile errors
44:32Upload test.c to our HiFive1, connect and try to reset the board
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44:32Upload test.c to our HiFive1, connect and try to reset the board
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44:32Upload test.c to our HiFive1, connect and try to reset the board
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47:18Try to set PWM_CMP0 to 0xFF0
47:18Try to set PWM_CMP0 to 0xFF0
47:18Try to set PWM_CMP0 to 0xFF0
47:53Make clean and try to upload test.c to our board, before checking the SiFive Forums to see how to correctly make clean5
47:53Make clean and try to upload test.c to our board, before checking the SiFive Forums to see how to correctly make clean5
47:53Make clean and try to upload test.c to our board, before checking the SiFive Forums to see how to correctly make clean5
50:59Run make tools6 and close the stream with a shout-out to new pledger while this runs
50:59Run make tools6 and close the stream with a shout-out to new pledger while this runs
50:59Run make tools6 and close the stream with a shout-out to new pledger while this runs