Difference: NeoPixel (6 vs. 7)

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META TOPICPARENT	name="MecrispCubeF405"

NeoPixel

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.equ T0L, 5 // 0.85 us / (3 * 31.25 ns) = 9.07 -> 5 (4 turns less) .equ T1L, 1 // 0.45 us / (3 * 31.25 ns) = 4.53 -> 1 (4 turns less)

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.equ RESTIME, 533 // 50 us / (3 * 31.25 ns) = 533

// Registers .equ GPIO_BSRR, 0x18 // GPIOx->BSRR bit set/reset

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lsl r3, r1, #16 // clear port pin for BSRR mov r6, #24 // 24 bits

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// set DOUT pin low and wait reset time str r3, [r0, #GPIO_BSRR] ldr r4, =RESTIME 1: subs r4, r4, #1 1 bne 1b

cycles bit_loop: lsls r2, r2, #1 // get the next bit -> set the carry bit 1