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ускорение работы digital функций

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This commit is contained in:
KLASSENTS 2025-03-17 10:39:20 +07:00
parent 663ce5bf55
commit 6ced7bdad1
3 changed files with 24 additions and 25 deletions
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2
variants/elsomik/variant.c
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@ -45,7 +45,7 @@ __attribute__((noinline, section(".ram_text"))) HAL_PinsTypeDef digitalPinToBitM
if (digitalPinNumber >= PINS_COMMON_QTY)
{
ErrorMsgHandler("digitalPinToBitMask(): pin number exceeds the total number of pins");
return NC;
return NOT_A_PIN;
}
if (digitalPinNumber >= P2_6)

16
variants/start/pins_arduino.h
View File

@ -78,6 +78,9 @@ typedef enum
PINS_COMMON_QTY, // 40
} DigitalPinsTypeDef;
// total number of pins available for initialization
#define pinCommonQty() (PINS_COMMON_QTY)
// analog pins
#define PIN_A0 (P1_5)
#define PIN_A1 (P1_7)
@ -108,11 +111,6 @@ static const uint8_t A7 = PIN_A7;
GPIO_TypeDef* digitalPinToPort(uint32_t digPinNumber);
// determines the pin address inside the port by the board pin number
HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber);
// total number of pins available for initialization
static inline uint16_t pinCommonQty(void)
{
return (uint16_t)PINS_COMMON_QTY;
}
// the function returns a reference to the OUTPUT address of the GPIO register
volatile uint32_t* portOutputRegister(GPIO_TypeDef* GPIO_x);
// the function returns a reference to the STATE address of the GPIO register
@ -132,8 +130,12 @@ uint32_t analogInputToChannelNumber(uint32_t PinNumber);
// PWM
#define PWM_FREQUENCY_MAX 1000000 // Hz
bool digitalPinHasPWM(uint8_t p);
bool digitalPinPwmIsOn(uint8_t digitalPin); // use only if digitalPinHasPWM() == true
static inline __attribute__((always_inline)) bool digitalPinHasPWM(uint8_t p)
{
return (p < 32) && ((p & 0xF) < 4);
}
// return true if digitalPin configured as pwm
bool digitalPinPwmIsOn(uint8_t digitalPin);
// determines which timer the pin belongs to
TIMER32_TypeDef* pwmPinToTimer(uint32_t digPinNumber);
// determines which timer channel the pin belongs to

31
variants/start/variant.c
View File

@ -21,7 +21,7 @@
* @return The address of the port corresponding to the board pin number. Can return 0 if the pin not exists
*/
GPIO_TypeDef *digitalPinToPort(uint32_t digitalPinNumber)
__attribute__((noinline, section(".ram_text"))) GPIO_TypeDef *digitalPinToPort(uint32_t digitalPinNumber)
{
GPIO_TypeDef* port = NULL;
if (digitalPinNumber < pinCommonQty())
@ -39,12 +39,12 @@ GPIO_TypeDef *digitalPinToPort(uint32_t digitalPinNumber)
}
// determines the pin address inside the port by the board pin number
HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber)
__attribute__((noinline, section(".ram_text"))) HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber)
{
if (digitalPinNumber >= pinCommonQty())
{
ErrorMsgHandler("digitalPinToBitMask(): pin number exceeds the total number of pins");
return NC;
return NOT_A_PIN;
}
return (HAL_PinsTypeDef)(1 << (digitalPinNumber & 0xF));
@ -108,25 +108,22 @@ uint32_t analogInputToChannelNumber(uint32_t PinNumber)
// return true if digitalPin configured as pwm
bool digitalPinPwmIsOn(uint8_t digitalPin)
{
uint8_t config = 0;
uint8_t pinShift = digitalPin & 3;
if (digitalPinHasPWM(digitalPin))
{
uint8_t config = 0;
uint8_t pinShift = digitalPin & 3;
if (PWM_PIN_TO_PORT_NUMBER(digitalPin) == 0)
config = PIN_GET_PAD_CONFIG(PORT_0_CFG, pinShift);
else
config = PIN_GET_PAD_CONFIG(PORT_1_CFG, pinShift);
if (PWM_PIN_TO_PORT_NUMBER(digitalPin) == 0)
config = PIN_GET_PAD_CONFIG(PORT_0_CFG, pinShift);
else
config = PIN_GET_PAD_CONFIG(PORT_1_CFG, pinShift);
if (config == 2)
return true;
else
if (config == 2)
return true;
}
return false;
}
bool digitalPinHasPWM(uint8_t p)
{
return (p < 32) && ((p & 0xF) < 4);
}
// function is used only if digitalPinHasPWM() is true
TIMER32_TypeDef *pwmPinToTimer(uint32_t digPinNumber)
{