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Fix OneWire on ESP32-C3

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This commit is contained in:
Arlo Siemsen 2021-11-05 23:37:47 -05:00
parent d789704343
commit d918eb1dff
1 changed files with 8 additions and 16 deletions
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24
lib/lib_basic/OneWire-Stickbreaker-20190506-1.1/OneWire.h
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@ -197,6 +197,9 @@ void directWriteHigh(IO_REG_TYPE pin)
static inline __attribute__((always_inline)) static inline __attribute__((always_inline))
void directModeInput(IO_REG_TYPE pin) void directModeInput(IO_REG_TYPE pin)
{ {
#if CONFIG_IDF_TARGET_ESP32C3
GPIO.enable_w1tc.val = ((uint32_t)1 << (pin));
#else
if ( digitalPinIsValid(pin) ) if ( digitalPinIsValid(pin) )
{ {
#if ESP_IDF_VERSION_MAJOR < 4 // IDF 3.x ESP32/PICO-D4 #if ESP_IDF_VERSION_MAJOR < 4 // IDF 3.x ESP32/PICO-D4
@ -208,9 +211,6 @@ void directModeInput(IO_REG_TYPE pin)
ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_gpio_desc[pin].pullup | rtc_gpio_desc[pin].pulldown); ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_gpio_desc[pin].pullup | rtc_gpio_desc[pin].pulldown);
} }
#elif ESP_IDF_VERSION_MAJOR > 3 // ESP32-S2 needs IDF 4.2 or later #elif ESP_IDF_VERSION_MAJOR > 3 // ESP32-S2 needs IDF 4.2 or later
#if CONFIG_IDF_TARGET_ESP32C3
// Esp32c3 has no full RTC IO subsystem, so GPIO is 100% "independent" of RTC
#else // plain ESP32
uint32_t rtc_reg(rtc_io_desc[pin].reg); uint32_t rtc_reg(rtc_io_desc[pin].reg);
if ( rtc_reg ) // RTC pins PULL settings if ( rtc_reg ) // RTC pins PULL settings
@ -219,16 +219,11 @@ void directModeInput(IO_REG_TYPE pin)
ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_io_desc[pin].pullup | rtc_io_desc[pin].pulldown); ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_io_desc[pin].pullup | rtc_io_desc[pin].pulldown);
} }
#endif #endif
#endif
#if CONFIG_IDF_TARGET_ESP32C3
GPIO.enable_w1tc.val = ((uint32_t)1 << (pin - 32));
#else // plain ESP32
if ( pin < 32 ) if ( pin < 32 )
GPIO.enable_w1tc = ((uint32_t)1 << pin); GPIO.enable_w1tc = ((uint32_t)1 << pin);
else else
GPIO.enable1_w1tc.val = ((uint32_t)1 << (pin - 32)); GPIO.enable1_w1tc.val = ((uint32_t)1 << (pin - 32));
#endif
uint32_t pinFunction((uint32_t)2 << FUN_DRV_S); // what are the drivers? uint32_t pinFunction((uint32_t)2 << FUN_DRV_S); // what are the drivers?
pinFunction |= FUN_IE; // input enable but required for output as well? pinFunction |= FUN_IE; // input enable but required for output as well?
@ -238,11 +233,15 @@ void directModeInput(IO_REG_TYPE pin)
GPIO.pin[pin].val = 0; GPIO.pin[pin].val = 0;
} }
#endif
} }
static inline __attribute__((always_inline)) static inline __attribute__((always_inline))
void directModeOutput(IO_REG_TYPE pin) void directModeOutput(IO_REG_TYPE pin)
{ {
#if CONFIG_IDF_TARGET_ESP32C3
GPIO.enable_w1ts.val = ((uint32_t)1 << (pin));
#else
if ( digitalPinIsValid(pin) && pin <= 33 ) // pins above 33 can be only inputs if ( digitalPinIsValid(pin) && pin <= 33 ) // pins above 33 can be only inputs
{ {
#if ESP_IDF_VERSION_MAJOR < 4 // IDF 3.x ESP32/PICO-D4 #if ESP_IDF_VERSION_MAJOR < 4 // IDF 3.x ESP32/PICO-D4
@ -254,9 +253,6 @@ void directModeOutput(IO_REG_TYPE pin)
ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_gpio_desc[pin].pullup | rtc_gpio_desc[pin].pulldown); ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_gpio_desc[pin].pullup | rtc_gpio_desc[pin].pulldown);
} }
#elif ESP_IDF_VERSION_MAJOR > 3 // ESP32-S2 needs IDF 4.2 or later #elif ESP_IDF_VERSION_MAJOR > 3 // ESP32-S2 needs IDF 4.2 or later
#if CONFIG_IDF_TARGET_ESP32C3
// Esp32c3 has no full RTC IO subsystem, so GPIO is 100% "independent" of RTC
#else // plain ESP32
uint32_t rtc_reg(rtc_io_desc[pin].reg); uint32_t rtc_reg(rtc_io_desc[pin].reg);
if ( rtc_reg ) // RTC pins PULL settings if ( rtc_reg ) // RTC pins PULL settings
@ -265,16 +261,11 @@ void directModeOutput(IO_REG_TYPE pin)
ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_io_desc[pin].pullup | rtc_io_desc[pin].pulldown); ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_io_desc[pin].pullup | rtc_io_desc[pin].pulldown);
} }
#endif #endif
#endif
#if CONFIG_IDF_TARGET_ESP32C3
GPIO.enable_w1ts.val = ((uint32_t)1 << (pin - 32));
#else // plain ESP32
if ( pin < 32 ) if ( pin < 32 )
GPIO.enable_w1ts = ((uint32_t)1 << pin); GPIO.enable_w1ts = ((uint32_t)1 << pin);
else // already validated to pins <= 33 else // already validated to pins <= 33
GPIO.enable1_w1ts.val = ((uint32_t)1 << (pin - 32)); GPIO.enable1_w1ts.val = ((uint32_t)1 << (pin - 32));
#endif
uint32_t pinFunction((uint32_t)2 << FUN_DRV_S); // what are the drivers? uint32_t pinFunction((uint32_t)2 << FUN_DRV_S); // what are the drivers?
pinFunction |= FUN_IE; // input enable but required for output as well? pinFunction |= FUN_IE; // input enable but required for output as well?
@ -284,6 +275,7 @@ void directModeOutput(IO_REG_TYPE pin)
GPIO.pin[pin].val = 0; GPIO.pin[pin].val = 0;
} }
#endif
} }
#define DIRECT_READ(base, pin) directRead(pin) #define DIRECT_READ(base, pin) directRead(pin)