//go:build cortexm package ws2812 // Warning: autogenerated file. Instead of modifying this file, change // gen-ws2812.go and run "go generate". import "runtime/interrupt" import "unsafe" /* #include __attribute__((always_inline)) void ws2812_writeByte16(char c, uint32_t *portSet, uint32_t *portClear, uint32_t maskSet, uint32_t maskClear) { // Timings: // T0H: 6 - 8 cycles or 375.0ns - 500.0ns // T1H: 17 - 19 cycles or 1062.5ns - 1187.5ns // TLD: 19 - cycles or 1187.5ns - uint32_t value = (uint32_t)c << 24; char i = 8; __asm__ __volatile__( "1: @ send_bit\n" "\t str %[maskSet], %[portSet] @ [2] T0H and T0L start here\n" "\t nop\n" "\t nop\n" "\t lsls %[value], #1 @ [1]\n" "\t bcs.n 2f @ [1/3] skip_store\n" "\t str %[maskClear], %[portClear] @ [2] T0H -> T0L transition\n" "\t2: @ skip_store\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t str %[maskClear], %[portClear] @ [2] T1H -> T1L transition\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t subs %[i], #1 @ [1]\n" "\t beq.n 3f @ [1/3] end\n" "\t b 1b @ [1/3] send_bit\n" "\t3: @ end\n" : [value]"+r"(value), [i]"+r"(i) : [maskSet]"r"(maskSet), [portSet]"m"(*portSet), [maskClear]"r"(maskClear), [portClear]"m"(*portClear)); } __attribute__((always_inline)) void ws2812_writeByte48(char c, uint32_t *portSet, uint32_t *portClear, uint32_t maskSet, uint32_t maskClear) { // Timings: // T0H: 17 - 19 cycles or 354.2ns - 395.8ns // T1H: 51 - 53 cycles or 1062.5ns - 1104.2ns // TLD: 56 - cycles or 1166.7ns - uint32_t value = (uint32_t)c << 24; char i = 8; __asm__ __volatile__( "1: @ send_bit\n" "\t str %[maskSet], %[portSet] @ [2] T0H and T0L start here\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t lsls %[value], #1 @ [1]\n" "\t bcs.n 2f @ [1/3] skip_store\n" "\t str %[maskClear], %[portClear] @ [2] T0H -> T0L transition\n" "\t2: @ skip_store\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t str %[maskClear], %[portClear] @ [2] T1H -> T1L transition\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t subs %[i], #1 @ [1]\n" "\t beq.n 3f @ [1/3] end\n" "\t b 1b @ [1/3] send_bit\n" "\t3: @ end\n" : [value]"+r"(value), [i]"+r"(i) : [maskSet]"r"(maskSet), [portSet]"m"(*portSet), [maskClear]"r"(maskClear), [portClear]"m"(*portClear)); } __attribute__((always_inline)) void ws2812_writeByte64(char c, uint32_t *portSet, uint32_t *portClear, uint32_t maskSet, uint32_t maskClear) { // Timings: // T0H: 23 - 25 cycles or 359.4ns - 390.6ns // T1H: 68 - 70 cycles or 1062.5ns - 1093.8ns // TLD: 74 - cycles or 1156.2ns - uint32_t value = (uint32_t)c << 24; char i = 8; __asm__ __volatile__( "1: @ send_bit\n" "\t str %[maskSet], %[portSet] @ [2] T0H and T0L start here\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t lsls %[value], #1 @ [1]\n" "\t bcs.n 2f @ [1/3] skip_store\n" "\t str %[maskClear], %[portClear] @ [2] T0H -> T0L transition\n" "\t2: @ skip_store\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t str %[maskClear], %[portClear] @ [2] T1H -> T1L transition\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t subs %[i], #1 @ [1]\n" "\t beq.n 3f @ [1/3] end\n" "\t b 1b @ [1/3] send_bit\n" "\t3: @ end\n" : [value]"+r"(value), [i]"+r"(i) : [maskSet]"r"(maskSet), [portSet]"m"(*portSet), [maskClear]"r"(maskClear), [portClear]"m"(*portClear)); } __attribute__((always_inline)) void ws2812_writeByte120(char c, uint32_t *portSet, uint32_t *portClear, uint32_t maskSet, uint32_t maskClear) { // Timings: // T0H: 42 - 44 cycles or 350.0ns - 366.7ns // T1H: 126 - 128 cycles or 1050.0ns - 1066.7ns // TLD: 138 - cycles or 1150.0ns - uint32_t value = (uint32_t)c << 24; char i = 8; __asm__ __volatile__( "1: @ send_bit\n" "\t str %[maskSet], %[portSet] @ [2] T0H and T0L start here\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t lsls %[value], #1 @ [1]\n" "\t bcs.n 2f @ [1/3] skip_store\n" "\t str %[maskClear], %[portClear] @ [2] T0H -> T0L transition\n" "\t2: @ skip_store\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t str %[maskClear], %[portClear] @ [2] T1H -> T1L transition\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t subs %[i], #1 @ [1]\n" "\t beq.n 3f @ [1/3] end\n" "\t b 1b @ [1/3] send_bit\n" "\t3: @ end\n" : [value]"+r"(value), [i]"+r"(i) : [maskSet]"r"(maskSet), [portSet]"m"(*portSet), [maskClear]"r"(maskClear), [portClear]"m"(*portClear)); } __attribute__((always_inline)) void ws2812_writeByte125(char c, uint32_t *portSet, uint32_t *portClear, uint32_t maskSet, uint32_t maskClear) { // Timings: // T0H: 44 - 46 cycles or 352.0ns - 368.0ns // T1H: 132 - 134 cycles or 1056.0ns - 1072.0ns // TLD: 144 - cycles or 1152.0ns - uint32_t value = (uint32_t)c << 24; char i = 8; __asm__ __volatile__( "1: @ send_bit\n" "\t str %[maskSet], %[portSet] @ [2] T0H and T0L start here\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t lsls %[value], #1 @ [1]\n" "\t bcs.n 2f @ [1/3] skip_store\n" "\t str %[maskClear], %[portClear] @ [2] T0H -> T0L transition\n" "\t2: @ skip_store\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t str %[maskClear], %[portClear] @ [2] T1H -> T1L transition\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t subs %[i], #1 @ [1]\n" "\t beq.n 3f @ [1/3] end\n" "\t b 1b @ [1/3] send_bit\n" "\t3: @ end\n" : [value]"+r"(value), [i]"+r"(i) : [maskSet]"r"(maskSet), [portSet]"m"(*portSet), [maskClear]"r"(maskClear), [portClear]"m"(*portClear)); } __attribute__((always_inline)) void ws2812_writeByte150(char c, uint32_t *portSet, uint32_t *portClear, uint32_t maskSet, uint32_t maskClear) { // Timings: // T0H: 53 - 55 cycles or 353.3ns - 366.7ns // T1H: 158 - 160 cycles or 1053.3ns - 1066.7ns // TLD: 173 - cycles or 1153.3ns - uint32_t value = (uint32_t)c << 24; char i = 8; __asm__ __volatile__( "1: @ send_bit\n" "\t str %[maskSet], %[portSet] @ [2] T0H and T0L start here\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t lsls %[value], #1 @ [1]\n" "\t bcs.n 2f @ [1/3] skip_store\n" "\t str %[maskClear], %[portClear] @ [2] T0H -> T0L transition\n" "\t2: @ skip_store\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t str %[maskClear], %[portClear] @ [2] T1H -> T1L transition\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t subs %[i], #1 @ [1]\n" "\t beq.n 3f @ [1/3] end\n" "\t b 1b @ [1/3] send_bit\n" "\t3: @ end\n" : [value]"+r"(value), [i]"+r"(i) : [maskSet]"r"(maskSet), [portSet]"m"(*portSet), [maskClear]"r"(maskClear), [portClear]"m"(*portClear)); } __attribute__((always_inline)) void ws2812_writeByte160(char c, uint32_t *portSet, uint32_t *portClear, uint32_t maskSet, uint32_t maskClear) { // Timings: // T0H: 56 - 58 cycles or 350.0ns - 362.5ns // T1H: 168 - 170 cycles or 1050.0ns - 1062.5ns // TLD: 184 - cycles or 1150.0ns - uint32_t value = (uint32_t)c << 24; char i = 8; __asm__ __volatile__( "1: @ send_bit\n" "\t str %[maskSet], %[portSet] @ [2] T0H and T0L start here\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t lsls %[value], #1 @ [1]\n" "\t bcs.n 2f @ [1/3] skip_store\n" "\t str %[maskClear], %[portClear] @ [2] T0H -> T0L transition\n" "\t2: @ skip_store\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t str %[maskClear], %[portClear] @ [2] T1H -> T1L transition\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t subs %[i], #1 @ [1]\n" "\t beq.n 3f @ [1/3] end\n" "\t b 1b @ [1/3] send_bit\n" "\t3: @ end\n" : [value]"+r"(value), [i]"+r"(i) : [maskSet]"r"(maskSet), [portSet]"m"(*portSet), [maskClear]"r"(maskClear), [portClear]"m"(*portClear)); } __attribute__((always_inline)) void ws2812_writeByte168(char c, uint32_t *portSet, uint32_t *portClear, uint32_t maskSet, uint32_t maskClear) { // Timings: // T0H: 59 - 61 cycles or 351.2ns - 363.1ns // T1H: 177 - 179 cycles or 1053.6ns - 1065.5ns // TLD: 194 - cycles or 1154.8ns - uint32_t value = (uint32_t)c << 24; char i = 8; __asm__ __volatile__( "1: @ send_bit\n" "\t str %[maskSet], %[portSet] @ [2] T0H and T0L start here\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t lsls %[value], #1 @ [1]\n" "\t bcs.n 2f @ [1/3] skip_store\n" "\t str %[maskClear], %[portClear] @ [2] T0H -> T0L transition\n" "\t2: @ skip_store\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t str %[maskClear], %[portClear] @ [2] T1H -> T1L transition\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t subs %[i], #1 @ [1]\n" "\t beq.n 3f @ [1/3] end\n" "\t b 1b @ [1/3] send_bit\n" "\t3: @ end\n" : [value]"+r"(value), [i]"+r"(i) : [maskSet]"r"(maskSet), [portSet]"m"(*portSet), [maskClear]"r"(maskClear), [portClear]"m"(*portClear)); } __attribute__((always_inline)) void ws2812_writeByte200(char c, uint32_t *portSet, uint32_t *portClear, uint32_t maskSet, uint32_t maskClear) { // Timings: // T0H: 70 - 72 cycles or 350.0ns - 360.0ns // T1H: 210 - 212 cycles or 1050.0ns - 1060.0ns // TLD: 230 - cycles or 1150.0ns - uint32_t value = (uint32_t)c << 24; char i = 8; __asm__ __volatile__( "1: @ send_bit\n" "\t str %[maskSet], %[portSet] @ [2] T0H and T0L start here\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t lsls %[value], #1 @ [1]\n" "\t bcs.n 2f @ [1/3] skip_store\n" "\t str %[maskClear], %[portClear] @ [2] T0H -> T0L transition\n" "\t2: @ skip_store\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t str %[maskClear], %[portClear] @ [2] T1H -> T1L transition\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t nop\n" "\t subs %[i], #1 @ [1]\n" "\t beq.n 3f @ [1/3] end\n" "\t b 1b @ [1/3] send_bit\n" "\t3: @ end\n" : [value]"+r"(value), [i]"+r"(i) : [maskSet]"r"(maskSet), [portSet]"m"(*portSet), [maskClear]"r"(maskClear), [portClear]"m"(*portClear)); } */ import "C" func (d Device) writeByte16(c byte) { portSet, maskSet := d.Pin.PortMaskSet() portClear, maskClear := d.Pin.PortMaskClear() mask := interrupt.Disable() C.ws2812_writeByte16(C.char(c), (*C.uint32_t)(unsafe.Pointer(portSet)), (*C.uint32_t)(unsafe.Pointer(portClear)), C.uint32_t(maskSet), C.uint32_t(maskClear)) interrupt.Restore(mask) } func (d Device) writeByte48(c byte) { portSet, maskSet := d.Pin.PortMaskSet() portClear, maskClear := d.Pin.PortMaskClear() mask := interrupt.Disable() C.ws2812_writeByte48(C.char(c), (*C.uint32_t)(unsafe.Pointer(portSet)), (*C.uint32_t)(unsafe.Pointer(portClear)), C.uint32_t(maskSet), C.uint32_t(maskClear)) interrupt.Restore(mask) } func (d Device) writeByte64(c byte) { portSet, maskSet := d.Pin.PortMaskSet() portClear, maskClear := d.Pin.PortMaskClear() mask := interrupt.Disable() C.ws2812_writeByte64(C.char(c), (*C.uint32_t)(unsafe.Pointer(portSet)), (*C.uint32_t)(unsafe.Pointer(portClear)), C.uint32_t(maskSet), C.uint32_t(maskClear)) interrupt.Restore(mask) } func (d Device) writeByte120(c byte) { portSet, maskSet := d.Pin.PortMaskSet() portClear, maskClear := d.Pin.PortMaskClear() mask := interrupt.Disable() C.ws2812_writeByte120(C.char(c), (*C.uint32_t)(unsafe.Pointer(portSet)), (*C.uint32_t)(unsafe.Pointer(portClear)), C.uint32_t(maskSet), C.uint32_t(maskClear)) interrupt.Restore(mask) } func (d Device) writeByte125(c byte) { portSet, maskSet := d.Pin.PortMaskSet() portClear, maskClear := d.Pin.PortMaskClear() mask := interrupt.Disable() C.ws2812_writeByte125(C.char(c), (*C.uint32_t)(unsafe.Pointer(portSet)), (*C.uint32_t)(unsafe.Pointer(portClear)), C.uint32_t(maskSet), C.uint32_t(maskClear)) interrupt.Restore(mask) } func (d Device) writeByte150(c byte) { portSet, maskSet := d.Pin.PortMaskSet() portClear, maskClear := d.Pin.PortMaskClear() mask := interrupt.Disable() C.ws2812_writeByte150(C.char(c), (*C.uint32_t)(unsafe.Pointer(portSet)), (*C.uint32_t)(unsafe.Pointer(portClear)), C.uint32_t(maskSet), C.uint32_t(maskClear)) interrupt.Restore(mask) } func (d Device) writeByte160(c byte) { portSet, maskSet := d.Pin.PortMaskSet() portClear, maskClear := d.Pin.PortMaskClear() mask := interrupt.Disable() C.ws2812_writeByte160(C.char(c), (*C.uint32_t)(unsafe.Pointer(portSet)), (*C.uint32_t)(unsafe.Pointer(portClear)), C.uint32_t(maskSet), C.uint32_t(maskClear)) interrupt.Restore(mask) } func (d Device) writeByte168(c byte) { portSet, maskSet := d.Pin.PortMaskSet() portClear, maskClear := d.Pin.PortMaskClear() mask := interrupt.Disable() C.ws2812_writeByte168(C.char(c), (*C.uint32_t)(unsafe.Pointer(portSet)), (*C.uint32_t)(unsafe.Pointer(portClear)), C.uint32_t(maskSet), C.uint32_t(maskClear)) interrupt.Restore(mask) } func (d Device) writeByte200(c byte) { portSet, maskSet := d.Pin.PortMaskSet() portClear, maskClear := d.Pin.PortMaskClear() mask := interrupt.Disable() C.ws2812_writeByte200(C.char(c), (*C.uint32_t)(unsafe.Pointer(portSet)), (*C.uint32_t)(unsafe.Pointer(portClear)), C.uint32_t(maskSet), C.uint32_t(maskClear)) interrupt.Restore(mask) }