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Code Issues Releases Activity

[Direct GPIO] Reduce iRAM usage

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This commit is contained in:
TD-er
2022-08-02 13:09:50 +02:00
parent 11e3d72a6f
commit b954cfecac
6 changed files with 174 additions and 140 deletions
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lib/GPIO_DirectAccess/GPIO_Direct_Access.cpp
+56
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@@ -0,0 +1,56 @@
#include "GPIO_Direct_Access.h"
#include <Arduino.h>
#if defined(ARDUINO_ARCH_ESP8266)
# ifndef CORE_POST_3_0_0
# define IRAM_ATTR ICACHE_RAM_ATTR
# endif // ifndef CORE_POST_3_0_0
#endif // if defined(ARDUINO_ARCH_ESP8266)
#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
IO_REG_TYPE DIRECT_pinRead(IO_REG_TYPE pin)
{
return DIRECT_READ(reg, PIN_TO_BITMASK(pin));
}
void DIRECT_pinWrite(IO_REG_TYPE pin, bool pinstate)
{
if (pinstate) { DIRECT_WRITE_HIGH(reg, PIN_TO_BITMASK(pin)); }
else { DIRECT_WRITE_LOW(reg, PIN_TO_BITMASK(pin)); }
}
void DIRECT_PINMODE_OUTPUT(IO_REG_TYPE pin)
{
DIRECT_MODE_OUTPUT(reg, PIN_TO_BITMASK(pin));
}
void DIRECT_PINMODE_INPUT(IO_REG_TYPE pin)
{
DIRECT_MODE_INPUT(reg, PIN_TO_BITMASK(pin));
}
IO_REG_TYPE IRAM_ATTR DIRECT_pinRead_ISR(IO_REG_TYPE pin)
{
return DIRECT_READ(reg, PIN_TO_BITMASK(pin));
}
void IRAM_ATTR DIRECT_pinWrite_ISR(IO_REG_TYPE pin, bool pinstate)
{
if (pinstate) { DIRECT_WRITE_HIGH(reg, PIN_TO_BITMASK(pin)); }
else { DIRECT_WRITE_LOW(reg, PIN_TO_BITMASK(pin)); }
}
void IRAM_ATTR DIRECT_PINMODE_OUTPUT_ISR(IO_REG_TYPE pin)
{
DIRECT_MODE_OUTPUT(reg, PIN_TO_BITMASK(pin));
}
void IRAM_ATTR DIRECT_PINMODE_INPUT_ISR(IO_REG_TYPE pin)
{
DIRECT_MODE_INPUT(reg, PIN_TO_BITMASK(pin));
}
#endif // if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)