55 lines
2.2 KiB
Plaintext
55 lines
2.2 KiB
Plaintext
*** Variables ***
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${BIN} @https://dl.antmicro.com/projects/renode/zephyr-stm32h747i-display.elf-s_1312828-55334a5ed1b3104c7033b0f3f55e9eb451fafc71
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${SHADOW_CONTROL} 0x24
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${SHADOW_RELOAD_NOW} 0
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${LINE_COUNT} 0xb4
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${FIFO_UNDERRUN_INT} 2
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${INTERRUPT_STATUS} 0x38
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*** Keywords ***
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Setup Machine
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Execute Command mach create
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Execute Command machine LoadPlatformDescription @platforms/cpus/stm32h743.repl
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Execute Command machine LoadPlatformDescriptionFromString "button: Miscellaneous.Button @ gpioPortA { -> gpioPortA@0 }"
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Execute Command sysbus LoadELF ${BIN}
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Execute Command ltdc FramesPerVirtualSecond 1
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Create Terminal Tester sysbus.usart1 timeout=45
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Wait For Line On Uart Display starts
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Wait For Update
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Wait For Update
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Execute Command gpioPortA.button PressAndRelease
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Wait For Line On Uart Display updated
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Should Have FIFO Underrun Interrupt
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[Arguments] ${yes}
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${res}= Execute Command ltdc ReadDoubleWord ${INTERRUPT_STATUS}
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${int_bit}= Evaluate (${res}) & ${FIFO_UNDERRUN_INT}
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IF ${yes}
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Should Not Be Equal As Integers ${int_bit} 0
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ELSE
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Should Be Equal As Integers ${int_bit} 0
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END
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*** Test Cases ***
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Should Emit FIFO Underrun Interrupt
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Setup Machine
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Execute Command ltdc WriteDoubleWord ${LINE_COUNT} 0 # Set line count to 0
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Execute Command ltdc WriteDoubleWord ${SHADOW_CONTROL} ${SHADOW_RELOAD_NOW} # Reload shadow registers
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Sleep 1.5 # Wait for LTDC to redraw
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Should Have FIFO Underrun Interrupt True
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Should Shadow Registers
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Setup Machine
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${og_line_count}= Execute Command ltdc ReadDoubleWord ${LINE_COUNT}
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Execute Command ltdc WriteDoubleWord ${LINE_COUNT} 0 # Set line count to 0
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# Don't reload shadow
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Sleep 1.5 # Wait for LTDC to redraw
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Should Have FIFO Underrun Interrupt False
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Execute Command ltdc WriteDoubleWord ${LINE_COUNT} ${og_line_count} # Restore line count
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Wait For Update
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Sleep 1.5 # Wait for LTDC to redraw
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Should Have FIFO Underrun Interrupt False
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