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better asm loop

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This commit is contained in:
MightyPork
2018-01-02 22:51:10 +01:00
parent 5cbc9fa6dd
commit a3df4d79e1
2 changed files with 4 additions and 17 deletions
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units/neopixel/ws2812.c
+1 -13
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@@ -4,7 +4,7 @@
#define FREQ_STEP (PLAT_AHB_MHZ/20.0f)
#define NPX_DELAY_SHORT (uint32_t)(FREQ_STEP*1.5f)
#define NPX_DELAY_LONG (uint32_t)(FREQ_STEP*3.5f)
#define NPX_DELAY_SHOW (uint32_t)(FREQ_STEP*60)
#define NPX_DELAY_SHOW (uint32_t)(FREQ_STEP*50)
static inline __attribute__((always_inline))
void ws2812_byte(GPIO_TypeDef *port, uint32_t ll_pin, uint8_t b)
@@ -42,10 +42,6 @@ void ws2812_load_raw(GPIO_TypeDef *port, uint32_t ll_pin, uint8_t *rgbs, uint32_
}
vPortExitCritical();
__asm_loop(NPX_DELAY_SHOW);
LL_GPIO_SetOutputPin(port, ll_pin);
__asm_loop(NPX_DELAY_SHORT);
LL_GPIO_ResetOutputPin(port, ll_pin);
}
/** Set many RGBs from uint32 stream */
@@ -72,10 +68,6 @@ void ws2812_load_sparse(GPIO_TypeDef *port, uint32_t ll_pin, uint8_t *rgbs, uint
}
vPortExitCritical();
__asm_loop(NPX_DELAY_SHOW);
LL_GPIO_SetOutputPin(port, ll_pin);
__asm_loop(NPX_DELAY_SHORT);
LL_GPIO_ResetOutputPin(port, ll_pin);
}
/** Set many RGBs */
@@ -87,8 +79,4 @@ void ws2812_clear(GPIO_TypeDef *port, uint32_t ll_pin, uint32_t count)
}
vPortExitCritical();
__asm_loop(NPX_DELAY_SHOW);
LL_GPIO_SetOutputPin(port, ll_pin);
__asm_loop(NPX_DELAY_SHORT);
LL_GPIO_ResetOutputPin(port, ll_pin);
}