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updated plat compat

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This commit is contained in:
MightyPork
2018-01-02 19:57:40 +01:00
parent dcf0037b83
commit 6f561bc191
2 changed files with 23 additions and 14 deletions
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units/neopixel/ws2812.c
+7 -4
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@@ -1,6 +1,9 @@
#include "platform.h"
#include "ws2812.h"
#define PLAT_NEOPIXEL_SHORT (uint32_t)(800e-9*PLAT_AHB_CLOCK)
#define PLAT_NEOPIXEL_LONG (uint32_t)(400e-9*PLAT_AHB_CLOCK)
static //inline __attribute__((always_inline))
void ws2812_byte(GPIO_TypeDef *port, uint32_t ll_pin, uint8_t b)
{
@@ -9,16 +12,16 @@ void ws2812_byte(GPIO_TypeDef *port, uint32_t ll_pin, uint8_t b)
// duty cycle determines bit value
if (b & 0x80) {
__delay_cycles(20);
__delay_cycles(PLAT_NEOPIXEL_LONG);
//for(uint32_t _i = 0; _i < 10; _i++) asm volatile("nop");
LL_GPIO_ResetOutputPin(port, ll_pin);
//for(uint32_t _i = 0; _i < 10; _i++) asm volatile("nop");
__delay_cycles(10);
__delay_cycles(PLAT_NEOPIXEL_SHORT);
} else {
__delay_cycles(10);
__delay_cycles(PLAT_NEOPIXEL_SHORT);
//for(uint32_t _i = 0; _i < 5; _i++) asm volatile("nop");
LL_GPIO_ResetOutputPin(port, ll_pin);
__delay_cycles(20);
__delay_cycles(PLAT_NEOPIXEL_LONG);
//for(uint32_t _i = 0; _i < 10; _i++) asm volatile("nop");
}