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esp8266: remove unused if checks #334

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esp8266: remove unused if checks #334

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19 changes: 0 additions & 19 deletions esp8266.c
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Original file line number Diff line number Diff line change
Expand Up @@ -5,9 +5,7 @@
#if defined(ESP8266)

#include <Arduino.h>
#ifdef ESP8266
#include <eagle_soc.h>
#endif

static uint32_t _getCycleCount(void) __attribute__((always_inline));
static inline uint32_t _getCycleCount(void) {
Expand All @@ -16,13 +14,8 @@ static inline uint32_t _getCycleCount(void) {
return ccount;
}

#ifdef ESP8266
IRAM_ATTR void espShow(
uint8_t pin, uint8_t *pixels, uint32_t numBytes, __attribute__((unused)) boolean is800KHz) {
#else
void espShow(
uint8_t pin, uint8_t *pixels, uint32_t numBytes, boolean is800KHz) {
#endif

#define CYCLES_800_T0H (F_CPU / 2500001) // 0.4us
#define CYCLES_800_T1H (F_CPU / 1250001) // 0.8us
Expand All @@ -33,12 +26,8 @@ void espShow(

uint8_t *p, *end, pix, mask;
uint32_t t, time0, time1, period, c, startTime;

#ifdef ESP8266
uint32_t pinMask;
pinMask = _BV(pin);
#endif

p = pixels;
end = p + numBytes;
pix = *p++;
Expand All @@ -62,18 +51,10 @@ void espShow(
for(t = time0;; t = time0) {
if(pix & mask) t = time1; // Bit high duration
while(((c = _getCycleCount()) - startTime) < period); // Wait for bit start
#ifdef ESP8266
GPIO_REG_WRITE(GPIO_OUT_W1TS_ADDRESS, pinMask); // Set high
#else
gpio_set_level(pin, HIGH);
#endif
startTime = c; // Save start time
while(((c = _getCycleCount()) - startTime) < t); // Wait high duration
#ifdef ESP8266
GPIO_REG_WRITE(GPIO_OUT_W1TC_ADDRESS, pinMask); // Set low
#else
gpio_set_level(pin, LOW);
#endif
if(!(mask >>= 1)) { // Next bit/byte
if(p >= end) break;
pix = *p++;
Expand Down