kopia lustrzana https://github.com/hoglet67/RGBtoHDMI
Fix pixel misordering within byte
Change-Id: I82a20a49b4004dbbb25986a4fce59ea84f197a17issue_1022
rodzic
2c547292fa
commit
cbb5e4d1b8
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@ -47,22 +47,22 @@ wait_psync_01:
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tst r8, #PSYNC_MASK
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beq wait_psync_01
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// Pixel 0 in GPIO 4.. 2 -> 3.. 0
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// Pixel 1 in GPIO 7.. 5 -> 7.. 4
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// Pixel 2 in GPIO 10.. 8 -> 11.. 8
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// Pixel 3 in GPIO 13..11 -> 15..12
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// Pixel 0 in GPIO 4.. 2 -> 7.. 4
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// Pixel 1 in GPIO 7.. 5 -> 3.. 0
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// Pixel 2 in GPIO 10.. 8 -> 15..12
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// Pixel 3 in GPIO 13..11 -> 11.. 8
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and r9, r8, #(7 << PIXEL_BASE)
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orr r10, r10, r9, lsr #2
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orr r10, r10, r9, lsl #2
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and r9, r8, #(7 << (PIXEL_BASE + 3))
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orr r10, r10, r9, lsr #1
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orr r10, r10, r9, lsr #5
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and r9, r8, #(7 << (PIXEL_BASE + 6))
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orr r10, r10, r9
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orr r10, r10, r9, lsl #4
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and r9, r8, #(7 << (PIXEL_BASE + 9))
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orr r10, r10, r9, lsl #1
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orr r10, r10, r9, lsr #3
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// Wait for 1-0 edge on PSYNC
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wait_psync_10:
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@ -70,22 +70,22 @@ wait_psync_10:
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tst r8, #PSYNC_MASK
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bne wait_psync_10
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// Pixel 4 in GPIO 4.. 2 -> 19..16
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// Pixel 5 in GPIO 7.. 5 -> 23..20
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// Pixel 6 in GPIO 10.. 8 -> 27..24
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// Pixel 7 in GPIO 13..11 -> 31..28
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// Pixel 4 in GPIO 4.. 2 -> 23..20
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// Pixel 5 in GPIO 7.. 5 -> 19..16
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// Pixel 6 in GPIO 10.. 8 -> 31..28
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// Pixel 7 in GPIO 13..11 -> 27..24
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and r9, r8, #(7 << PIXEL_BASE)
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orr r10, r10, r9, lsl #14
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orr r10, r10, r9, lsl #18
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and r9, r8, #(7 << (PIXEL_BASE + 3))
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orr r10, r10, r9, lsl #15
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orr r10, r10, r9, lsl #11
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and r9, r8, #(7 << (PIXEL_BASE + 6))
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orr r10, r10, r9, lsl #16
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orr r10, r10, r9, lsl #20
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and r9, r8, #(7 << (PIXEL_BASE + 9))
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orr r10, r10, r9, lsl #17
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orr r10, r10, r9, lsl #13
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str r10, [r1], #4
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