Elron_dev/elbear_arduino_bsp
8
0
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases 7 Wiki Activity

wiring digital speed optimization #15

Merged
klassents merged 11 commits from v0.5.0_wiringDigital_optimization into v0.5.0 2025-03-17 07:53:29 +03:00
Conversation 0 Commits 11 Files Changed 11 +21 -23
2 changed files with 21 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files
Showing only changes of commit 663ce5bf55 - Show all commits

15
variants/elsomik/pins_arduino.h
View File

@ -71,6 +71,8 @@ typedef enum
P2_7, // 33
PINS_COMMON_QTY, // 34
} DigitalPinsTypeDef;
// total number of pins available for initialization
#define pinCommonQty() (PINS_COMMON_QTY)
// analog pins
#define PIN_A0 (P1_5)
@ -96,11 +98,6 @@ 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
@ -120,8 +117,12 @@ 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 <= P1_15) && ((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

29
variants/elsomik/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)
{
if (digitalPinNumber >= pinCommonQty())
{
@ -40,7 +40,7 @@ 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 >= PINS_COMMON_QTY)
{
@ -112,25 +112,22 @@ 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 & 0x3;
if (digitalPinHasPWM(digitalPin))
{
uint8_t config = 0;
uint8_t pinShift = digitalPin & 0x3;
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 digitalPin)
{
return (digitalPin <= P1_15) && ((digitalPin & 0xF) < 4);
}
// function is used only if digitalPinHasPWM() is true
TIMER32_TypeDef *pwmPinToTimer(uint32_t digPinNumber)
{