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Fabian Schlenz
2020-07-17 18:55:06 +02:00
commit b47a0ab935
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126
.pio/libdeps/local/FastLED/platforms/arm/stm32/clockless_arm_stm32.h Normal file
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#ifndef __INC_CLOCKLESS_ARM_STM32_H
#define __INC_CLOCKLESS_ARM_STM32_H
FASTLED_NAMESPACE_BEGIN
// Definition for a single channel clockless controller for the stm32 family of chips, like that used in the spark core
// See clockless.h for detailed info on how the template parameters are used.
#define FASTLED_HAS_CLOCKLESS 1
template <int DATA_PIN, int T1, int T2, int T3, EOrder RGB_ORDER = RGB, int XTRA0 = 0, bool FLIP = false, int WAIT_TIME = 50>
class ClocklessController : public CPixelLEDController<RGB_ORDER> {
typedef typename FastPin<DATA_PIN>::port_ptr_t data_ptr_t;
typedef typename FastPin<DATA_PIN>::port_t data_t;
data_t mPinMask;
data_ptr_t mPort;
CMinWait<WAIT_TIME> mWait;
public:
virtual void init() {
FastPin<DATA_PIN>::setOutput();
mPinMask = FastPin<DATA_PIN>::mask();
mPort = FastPin<DATA_PIN>::port();
}
virtual uint16_t getMaxRefreshRate() const { return 400; }
protected:
virtual void showPixels(PixelController<RGB_ORDER> & pixels) {
mWait.wait();
if(!showRGBInternal(pixels)) {
sei(); delayMicroseconds(WAIT_TIME); cli();
showRGBInternal(pixels);
}
mWait.mark();
}
#define _CYCCNT (*(volatile uint32_t*)(0xE0001004UL))
template<int BITS> __attribute__ ((always_inline)) inline static void writeBits(register uint32_t & next_mark, register data_ptr_t port, register data_t hi, register data_t lo, register uint8_t & b) {
for(register uint32_t i = BITS-1; i > 0; i--) {
while(_CYCCNT < (T1+T2+T3-20));
FastPin<DATA_PIN>::fastset(port, hi);
_CYCCNT = 4;
if(b&0x80) {
while(_CYCCNT < (T1+T2-20));
FastPin<DATA_PIN>::fastset(port, lo);
} else {
while(_CYCCNT < (T1-10));
FastPin<DATA_PIN>::fastset(port, lo);
}
b <<= 1;
}
while(_CYCCNT < (T1+T2+T3-20));
FastPin<DATA_PIN>::fastset(port, hi);
_CYCCNT = 4;
if(b&0x80) {
while(_CYCCNT < (T1+T2-20));
FastPin<DATA_PIN>::fastset(port, lo);
} else {
while(_CYCCNT < (T1-10));
FastPin<DATA_PIN>::fastset(port, lo);
}
}
// This method is made static to force making register Y available to use for data on AVR - if the method is non-static, then
// gcc will use register Y for the this pointer.
static uint32_t showRGBInternal(PixelController<RGB_ORDER> pixels) {
// Get access to the clock
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;
DWT->CYCCNT = 0;
register data_ptr_t port = FastPin<DATA_PIN>::port();
register data_t hi = *port | FastPin<DATA_PIN>::mask();;
register data_t lo = *port & ~FastPin<DATA_PIN>::mask();;
*port = lo;
// Setup the pixel controller and load/scale the first byte
pixels.preStepFirstByteDithering();
register uint8_t b = pixels.loadAndScale0();
cli();
uint32_t next_mark = (T1+T2+T3);
DWT->CYCCNT = 0;
while(pixels.has(1)) {
pixels.stepDithering();
#if (FASTLED_ALLOW_INTERRUPTS == 1)
cli();
// if interrupts took longer than 45µs, punt on the current frame
if(DWT->CYCCNT > next_mark) {
if((DWT->CYCCNT-next_mark) > ((WAIT_TIME-INTERRUPT_THRESHOLD)*CLKS_PER_US)) { sei(); return 0; }
}
hi = *port | FastPin<DATA_PIN>::mask();
lo = *port & ~FastPin<DATA_PIN>::mask();
#endif
// Write first byte, read next byte
writeBits<8+XTRA0>(next_mark, port, hi, lo, b);
b = pixels.loadAndScale1();
// Write second byte, read 3rd byte
writeBits<8+XTRA0>(next_mark, port, hi, lo, b);
b = pixels.loadAndScale2();
// Write third byte, read 1st byte of next pixel
writeBits<8+XTRA0>(next_mark, port, hi, lo, b);
b = pixels.advanceAndLoadAndScale0();
#if (FASTLED_ALLOW_INTERRUPTS == 1)
sei();
#endif
};
sei();
return DWT->CYCCNT;
}
};
FASTLED_NAMESPACE_END
#endif

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.pio/libdeps/local/FastLED/platforms/arm/stm32/cm3_regs.h Normal file
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#ifndef __CM3_REGS
#define __CM3_REGS
#include <stdint.h>
#ifdef __cplusplus
#define __I volatile /*!< Defines 'read only' permissions */
#else
#define __I volatile const /*!< Defines 'read only' permissions */
#endif
#define __O volatile /*!< Defines 'write only' permissions */
#define __IO volatile /*!< Defines 'read / write' permissions */
typedef struct
{
__IO uint32_t DHCSR; /*!< Offset: 0x000 (R/W) Debug Halting Control and Status Register */
__O uint32_t DCRSR; /*!< Offset: 0x004 ( /W) Debug Core Register Selector Register */
__IO uint32_t DCRDR; /*!< Offset: 0x008 (R/W) Debug Core Register Data Register */
__IO uint32_t DEMCR; /*!< Offset: 0x00C (R/W) Debug Exception and Monitor Control Register */
} CoreDebug_Type;
#define CoreDebug_BASE (0xE000EDF0UL) /*!< Core Debug Base Address */
#define CoreDebug ((CoreDebug_Type *) CoreDebug_BASE) /*!< Core Debug configuration struct */
#define CoreDebug_DEMCR_TRCENA_Pos 24 /*!< CoreDebug DEMCR: TRCENA Position */
#define CoreDebug_DEMCR_TRCENA_Msk (1UL << CoreDebug_DEMCR_TRCENA_Pos) /*!< CoreDebug DEMCR: TRCENA Mask */
typedef struct
{
__IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) Control Register */
__IO uint32_t CYCCNT; /*!< Offset: 0x004 (R/W) Cycle Count Register */
__IO uint32_t CPICNT; /*!< Offset: 0x008 (R/W) CPI Count Register */
__IO uint32_t EXCCNT; /*!< Offset: 0x00C (R/W) Exception Overhead Count Register */
__IO uint32_t SLEEPCNT; /*!< Offset: 0x010 (R/W) Sleep Count Register */
__IO uint32_t LSUCNT; /*!< Offset: 0x014 (R/W) LSU Count Register */
__IO uint32_t FOLDCNT; /*!< Offset: 0x018 (R/W) Folded-instruction Count Register */
__I uint32_t PCSR; /*!< Offset: 0x01C (R/ ) Program Counter Sample Register */
__IO uint32_t COMP0; /*!< Offset: 0x020 (R/W) Comparator Register 0 */
__IO uint32_t MASK0; /*!< Offset: 0x024 (R/W) Mask Register 0 */
__IO uint32_t FUNCTION0; /*!< Offset: 0x028 (R/W) Function Register 0 */
uint32_t RESERVED0[1];
__IO uint32_t COMP1; /*!< Offset: 0x030 (R/W) Comparator Register 1 */
__IO uint32_t MASK1; /*!< Offset: 0x034 (R/W) Mask Register 1 */
__IO uint32_t FUNCTION1; /*!< Offset: 0x038 (R/W) Function Register 1 */
uint32_t RESERVED1[1];
__IO uint32_t COMP2; /*!< Offset: 0x040 (R/W) Comparator Register 2 */
__IO uint32_t MASK2; /*!< Offset: 0x044 (R/W) Mask Register 2 */
__IO uint32_t FUNCTION2; /*!< Offset: 0x048 (R/W) Function Register 2 */
uint32_t RESERVED2[1];
__IO uint32_t COMP3; /*!< Offset: 0x050 (R/W) Comparator Register 3 */
__IO uint32_t MASK3; /*!< Offset: 0x054 (R/W) Mask Register 3 */
__IO uint32_t FUNCTION3; /*!< Offset: 0x058 (R/W) Function Register 3 */
} DWT_Type;
#define DWT_BASE (0xE0001000UL) /*!< DWT Base Address */
#define DWT ((DWT_Type *) DWT_BASE ) /*!< DWT configuration struct */
#define DWT_CTRL_CYCCNTENA_Pos 0 /*!< DWT CTRL: CYCCNTENA Position */
#define DWT_CTRL_CYCCNTENA_Msk (0x1UL << DWT_CTRL_CYCCNTENA_Pos) /*!< DWT CTRL: CYCCNTENA Mask */
#endif // __CM3_REGS

9
.pio/libdeps/local/FastLED/platforms/arm/stm32/fastled_arm_stm32.h Normal file
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#ifndef __INC_FASTLED_ARM_SAM_H
#define __INC_FASTLED_ARM_SAM_H
// Include the sam headers
#include "fastpin_arm_stm32.h"
// #include "fastspi_arm_stm32.h"
#include "clockless_arm_stm32.h"
#endif

178
.pio/libdeps/local/FastLED/platforms/arm/stm32/fastpin_arm_stm32.h Normal file
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#ifndef __FASTPIN_ARM_STM32_H
#define __FASTPIN_ARM_STM32_H
FASTLED_NAMESPACE_BEGIN
#if defined(FASTLED_FORCE_SOFTWARE_PINS)
#warning "Software pin support forced, pin access will be sloightly slower."
#define NO_HARDWARE_PIN_SUPPORT
#undef HAS_HARDWARE_PIN_SUPPORT
#else
/// Template definition for STM32 style ARM pins, providing direct access to the various GPIO registers. Note that this
/// uses the full port GPIO registers. In theory, in some way, bit-band register access -should- be faster, however I have found
/// that something about the way gcc does register allocation results in the bit-band code being slower. It will need more fine tuning.
/// The registers are data output, set output, clear output, toggle output, input, and direction
template<uint8_t PIN, uint8_t _BIT, uint32_t _MASK, typename _GPIO> class _ARMPIN {
public:
typedef volatile uint32_t * port_ptr_t;
typedef uint32_t port_t;
#if 0
inline static void setOutput() {
if(_BIT<8) {
_CRL::r() = (_CRL::r() & (0xF << (_BIT*4)) | (0x1 << (_BIT*4));
} else {
_CRH::r() = (_CRH::r() & (0xF << ((_BIT-8)*4))) | (0x1 << ((_BIT-8)*4));
}
}
inline static void setInput() { /* TODO */ } // TODO: preform MUX config { _PDDR::r() &= ~_MASK; }
#endif
inline static void setOutput() { pinMode(PIN, OUTPUT); } // TODO: perform MUX config { _PDDR::r() |= _MASK; }
inline static void setInput() { pinMode(PIN, INPUT); } // TODO: preform MUX config { _PDDR::r() &= ~_MASK; }
inline static void hi() __attribute__ ((always_inline)) { _GPIO::r()->BSRR = _MASK; }
inline static void lo() __attribute__ ((always_inline)) { _GPIO::r()->BRR = _MASK; }
// inline static void lo() __attribute__ ((always_inline)) { _GPIO::r()->BSRR = (_MASK<<16); }
inline static void set(register port_t val) __attribute__ ((always_inline)) { _GPIO::r()->ODR = val; }
inline static void strobe() __attribute__ ((always_inline)) { toggle(); toggle(); }
inline static void toggle() __attribute__ ((always_inline)) { if(_GPIO::r()->ODR & _MASK) { lo(); } else { hi(); } }
inline static void hi(register port_ptr_t port) __attribute__ ((always_inline)) { hi(); }
inline static void lo(register port_ptr_t port) __attribute__ ((always_inline)) { lo(); }
inline static void fastset(register port_ptr_t port, register port_t val) __attribute__ ((always_inline)) { *port = val; }
inline static port_t hival() __attribute__ ((always_inline)) { return _GPIO::r()->ODR | _MASK; }
inline static port_t loval() __attribute__ ((always_inline)) { return _GPIO::r()->ODR & ~_MASK; }
inline static port_ptr_t port() __attribute__ ((always_inline)) { return &_GPIO::r()->ODR; }
inline static port_ptr_t sport() __attribute__ ((always_inline)) { return &_GPIO::r()->BSRR; }
inline static port_ptr_t cport() __attribute__ ((always_inline)) { return &_GPIO::r()->BRR; }
inline static port_t mask() __attribute__ ((always_inline)) { return _MASK; }
};
#if defined(STM32F10X_MD)
#define _R(T) struct __gen_struct_ ## T
#define _RD32(T) struct __gen_struct_ ## T { static __attribute__((always_inline)) inline volatile GPIO_TypeDef * r() { return T; } };
#define _FL_IO(L,C) _RD32(GPIO ## L); _FL_DEFINE_PORT3(L, C, _R(GPIO ## L));
#elif defined(__STM32F1__)
#define _R(T) struct __gen_struct_ ## T
#define _RD32(T) struct __gen_struct_ ## T { static __attribute__((always_inline)) inline gpio_reg_map* r() { return T->regs; } };
#define _FL_IO(L,C) _RD32(GPIO ## L); _FL_DEFINE_PORT3(L, C, _R(GPIO ## L));
#else
#error "Platform not supported"
#endif
#define _FL_DEFPIN(PIN, BIT, L) template<> class FastPin<PIN> : public _ARMPIN<PIN, BIT, 1 << BIT, _R(GPIO ## L)> {};
#ifdef GPIOA
_FL_IO(A,0);
#endif
#ifdef GPIOB
_FL_IO(B,1);
#endif
#ifdef GPIOC
_FL_IO(C,2);
#endif
#ifdef GPIOD
_FL_IO(D,3);
#endif
#ifdef GPIOE
_FL_IO(E,4);
#endif
#ifdef GPIOF
_FL_IO(F,5);
#endif
#ifdef GPIOG
_FL_IO(G,6);
#endif
// Actual pin definitions
#if defined(SPARK) // Sparkfun STM32F103 based board
#define MAX_PIN 19
_FL_DEFPIN(0, 7, B);
_FL_DEFPIN(1, 6, B);
_FL_DEFPIN(2, 5, B);
_FL_DEFPIN(3, 4, B);
_FL_DEFPIN(4, 3, B);
_FL_DEFPIN(5, 15, A);
_FL_DEFPIN(6, 14, A);
_FL_DEFPIN(7, 13, A);
_FL_DEFPIN(8, 8, A);
_FL_DEFPIN(9, 9, A);
_FL_DEFPIN(10, 0, A);
_FL_DEFPIN(11, 1, A);
_FL_DEFPIN(12, 4, A);
_FL_DEFPIN(13, 5, A);
_FL_DEFPIN(14, 6, A);
_FL_DEFPIN(15, 7, A);
_FL_DEFPIN(16, 0, B);
_FL_DEFPIN(17, 1, B);
_FL_DEFPIN(18, 3, A);
_FL_DEFPIN(19, 2, A);
#define SPI_DATA 15
#define SPI_CLOCK 13
#define HAS_HARDWARE_PIN_SUPPORT
#endif // SPARK
#if defined(__STM32F1__) // Generic STM32F103 aka "Blue Pill"
#define MAX_PIN 46
_FL_DEFPIN(10, 0, A); // PA0 - PA7
_FL_DEFPIN(11, 1, A);
_FL_DEFPIN(12, 2, A);
_FL_DEFPIN(13, 3, A);
_FL_DEFPIN(14, 4, A);
_FL_DEFPIN(15, 5, A);
_FL_DEFPIN(16, 6, A);
_FL_DEFPIN(17, 7, A);
_FL_DEFPIN(29, 8, A); // PA8 - PA15
_FL_DEFPIN(30, 9, A);
_FL_DEFPIN(31, 10, A);
_FL_DEFPIN(32, 11, A);
_FL_DEFPIN(33, 12, A);
_FL_DEFPIN(34, 13, A);
_FL_DEFPIN(37, 14, A);
_FL_DEFPIN(38, 15, A);
_FL_DEFPIN(18, 0, B); // PB0 - PB11
_FL_DEFPIN(19, 1, B);
_FL_DEFPIN(20, 2, B);
_FL_DEFPIN(39, 3, B);
_FL_DEFPIN(40, 4, B);
_FL_DEFPIN(41, 5, B);
_FL_DEFPIN(42, 6, B);
_FL_DEFPIN(43, 7, B);
_FL_DEFPIN(45, 8, B);
_FL_DEFPIN(46, 9, B);
_FL_DEFPIN(21, 10, B);
_FL_DEFPIN(22, 11, B);
_FL_DEFPIN(2, 13, C); // PC13 - PC15
_FL_DEFPIN(3, 14, C);
_FL_DEFPIN(4, 15, C);
#define SPI_DATA BOARD_SPI1_MOSI_PIN
#define SPI_CLOCK BOARD_SPI1_SCK_PIN
#define HAS_HARDWARE_PIN_SUPPORT
#endif // __STM32F1__
#endif // FASTLED_FORCE_SOFTWARE_PINS
FASTLED_NAMESPACE_END
#endif // __INC_FASTPIN_ARM_STM32

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.pio/libdeps/local/FastLED/platforms/arm/stm32/led_sysdefs_arm_stm32.h Normal file
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#ifndef __INC_LED_SYSDEFS_ARM_SAM_H
#define __INC_LED_SYSDEFS_ARM_SAM_H
#if defined(STM32F10X_MD)
#include <application.h>
#define FASTLED_NAMESPACE_BEGIN namespace NSFastLED {
#define FASTLED_NAMESPACE_END }
#define FASTLED_USING_NAMESPACE using namespace NSFastLED;
// reusing/abusing cli/sei defs for due
#define cli() __disable_irq(); __disable_fault_irq();
#define sei() __enable_irq(); __enable_fault_irq();
#elif defined (__STM32F1__)
#include "cm3_regs.h"
#define cli() nvic_globalirq_disable()
#define sei() nvic_globalirq_enable()
#else
#error "Platform not supported"
#endif
#define FASTLED_ARM
#ifndef INTERRUPT_THRESHOLD
#define INTERRUPT_THRESHOLD 1
#endif
// Default to allowing interrupts
#ifndef FASTLED_ALLOW_INTERRUPTS
#define FASTLED_ALLOW_INTERRUPTS 0
#endif
#if FASTLED_ALLOW_INTERRUPTS == 1
#define FASTLED_ACCURATE_CLOCK
#endif
// pgmspace definitions
#define PROGMEM
#define pgm_read_dword(addr) (*(const unsigned long *)(addr))
#define pgm_read_dword_near(addr) pgm_read_dword(addr)
// Default to NOT using PROGMEM here
#ifndef FASTLED_USE_PROGMEM
#define FASTLED_USE_PROGMEM 0
#endif
// data type defs
typedef volatile uint8_t RoReg; /**< Read only 8-bit register (volatile const unsigned int) */
typedef volatile uint8_t RwReg; /**< Read-Write 8-bit register (volatile unsigned int) */
#define FASTLED_NO_PINMAP
#ifndef F_CPU
#define F_CPU 72000000
#endif
#endif