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Merge remote-tracking branch 'refs/remotes/PaulStoffregen/master'

main
Defragster 8 年之前
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1e3da4ce9f
共有 10 個檔案被更改，包括 422 行新增 和 204 行删除
分割檢視 顯示文件統計
  1. +4
    -0
      keywords.txt
  2. +43
    -98
      teensy3/analog.c
  3. +58
    -35
      teensy3/avr_emulation.h
  4. +102
    -6
      teensy3/core_pins.h
  5. +1
    -1
      teensy3/kinetis.h
  6. +1
    -1
      teensy3/mk20dx128.c
  7. +62
    -45
      teensy3/pins_arduino.h
  8. +92
    -10
      teensy3/pins_teensy.c
  9. +28
    -6
      teensy3/serial2.c
  10. +31
    -2
      teensy3/serial4.c

+ 4
- 0
keywords.txt 查看文件

@@ -60,6 +60,10 @@ A19 LITERAL1
A20 LITERAL1
A21 LITERAL1
A22 LITERAL1
A23 LITERAL1
A24 LITERAL1
A25 LITERAL1
A26 LITERAL1
SS LITERAL1
MOSI LITERAL1
MISO LITERAL1

+ 43
- 98
teensy3/analog.c 查看文件

@@ -358,48 +358,51 @@ void analogReadAveraging(unsigned int num)
// The SC1A register is used for both software and hardware trigger modes of operation.

#if defined(__MK20DX128__)
static const uint8_t channel2sc1a[] = {
5, 14, 8, 9, 13, 12, 6, 7, 15, 4,
0, 19, 3, 21, 26, 22, 23
static const uint8_t pin2sc1a[] = {
5, 14, 8, 9, 13, 12, 6, 7, 15, 4, 0, 19, 3, 21, // 0-13 -> A0-A13
5, 14, 8, 9, 13, 12, 6, 7, 15, 4, // 14-23 are A0-A9
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, // 24-33 are digital only
0, 19, 3, 21, // 34-37 are A10-A13
26, // 38 is temp sensor
22, // 39 is vref
23 // 40 is unused analog pin
};
#elif defined(__MK20DX256__)
static const uint8_t channel2sc1a[] = {
5, 14, 8, 9, 13, 12, 6, 7, 15, 4,
0, 19, 3, 19+128, 26, 18+128, 23,
5+192, 5+128, 4+128, 6+128, 7+128, 4+192
// +64 -> use muxA
// +128 -> use ADC1
// A15 26 E1 ADC1_SE5a 5+64
// A16 27 C9 ADC1_SE5b 5
// A17 28 C8 ADC1_SE4b 4
// A18 29 C10 ADC1_SE6b 6
// A19 30 C11 ADC1_SE7b 7
// A20 31 E0 ADC1_SE4a 4+64
static const uint8_t pin2sc1a[] = {
5, 14, 8, 9, 13, 12, 6, 7, 15, 4, 0, 19, 3, 19+128, // 0-13 -> A0-A13
5, 14, 8, 9, 13, 12, 6, 7, 15, 4, // 14-23 are A0-A9
255, 255, // 24-25 are digital only
5+192, 5+128, 4+128, 6+128, 7+128, 4+192, // 26-31 are A15-A20
255, 255, // 32-33 are digital only
0, 19, 3, 19+128, // 34-37 are A10-A13
26, // 38 is temp sensor,
18+128, // 39 is vref
23 // 40 is A14
};
#elif defined(__MKL26Z64__)
static const uint8_t channel2sc1a[] = {
5, 14, 8, 9, 13, 12, 6, 7, 15, 11,
0, 4+64, 23, 26, 27
static const uint8_t pin2sc1a[] = {
5, 14, 8, 9, 13, 12, 6, 7, 15, 11, 0, 4+64, 23, // 0-12 -> A0-A12
255, // 13 is digital only (no A13 alias)
5, 14, 8, 9, 13, 12, 6, 7, 15, 11, 0, 4+64, 23, // 14-26 are A0-A12
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, // 27-37 unused
26, // 38=temperature
27 // 39=bandgap ref (PMC_REGSC |= PMC_REGSC_BGBE)
};
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__)
static const uint8_t channel2sc1a[] = {
5, 14, 8, 9, 13, 12, 6, 7, 15, 4, // A0-A9
3, 19+128, // A10-A11
// A10 ADC1_DP0/ADC0_DP3
// A11 ADC1_DM0/ADC0_DM3
14+128, 15+128, 17, 18, 4+128, 5+128, 6+128, 7+128, 17+128, // A12-A20
// A12 PTB10 ADC1_SE14
// A13 PTB11 ADC1_SE15
// A14 PTE24 ADC0_SE17
// A15 PTE25 ADC0_SE18
// A16 PTC8 ADC1_SE4b
// A17 PTC9 ADC1_SE5b
// A18 PTC10 ADC1_SE6b
// A19 PTC11 ADC1_SE7b
// A20 PTA17 ADC1_SE17
23, 23+128, 26, 18+128 // A21-A22, temp sensor, vref
// A21 DAC0 ADC0_SE23
// A22 DAC1 ADC1_SE23
static const uint8_t pin2sc1a[] = {
5, 14, 8, 9, 13, 12, 6, 7, 15, 4, 3, 19+128, 14+128, 15+128, // 0-13 -> A0-A13
5, 14, 8, 9, 13, 12, 6, 7, 15, 4, // 14-23 are A0-A9
255, 255, 255, 255, 255, 255, 255, // 24-30 are digital only
14+128, 15+128, 17, 18, 4+128, 5+128, 6+128, 7+128, 17+128, // 31-39 are A12-A20
255, 255, 255, 255, 255, 255, 255, 255, 255, // 40-48 are digital only
10+128, 11+128, // 49-50 are A23-A24
255, 255, 255, 255, 255, 255, 255, // 51-57 are digital only
255, 255, 255, 255, 255, 255, // 58-63 (sd card pins) are digital only
3, 19+128, // 64-65 are A10-A11
23, 23+128,// 66-67 are A21-A22 (DAC pins)
1, 1+128, // 68-69 are A25-A26 (unused USB host port on Teensy 3.5)
26, // 70 is Temperature Sensor
18+128 // 71 is Vref
};
#endif

@@ -414,74 +417,16 @@ static volatile uint8_t analogReadBusyADC1 = 0;
int analogRead(uint8_t pin)
{
int result;
uint8_t index, channel;
uint8_t channel;

//serial_phex(pin);
//serial_print(" ");

#if defined(__MK20DX128__)
if (pin <= 13) {
index = pin; // 0-13 refer to A0-A13
} else if (pin <= 23) {
index = pin - 14; // 14-23 are A0-A9
} else if (pin >= 34 && pin <= 40) {
index = pin - 24; // 34-37 are A10-A13, 38 is temp sensor,
// 39 is vref, 40 is unused analog pin
} else {
return 0;
}
#elif defined(__MK20DX256__)
if (pin <= 13) {
index = pin; // 0-13 refer to A0-A13
} else if (pin <= 23) {
index = pin - 14; // 14-23 are A0-A9
} else if (pin >= 26 && pin <= 31) {
index = pin - 9; // 26-31 are A15-A20
} else if (pin >= 34 && pin <= 40) {
index = pin - 24; // 34-37 are A10-A13, 38 is temp sensor,
// 39 is vref, 40 is A14
} else {
return 0;
}
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__)
if (pin <= 13) {
index = pin; // 0-13 refer to A0-A13
} else if (pin <= 23) {
index = pin - 14; // 14-23 are A0-A9
} else if (pin >= 31 && pin <= 39) {
index = pin - 19; // 31-39 are A12-A20
} else if (pin >= 40 && pin <= 41) {
index = pin - 30; // 40-41 are A10-A11
} else if (pin >= 42 && pin <= 45) {
index = pin - 21; // 42-43 are A21-A22, 44 is temp sensor, 45 is vref
} else {
return 0;
}
#elif defined(__MKL26Z64__)
if (pin <= 12) {
index = pin; // 0-12 refer to A0-A12
} else if (pin >= 14 && pin <= 26) {
index = pin - 14; // 14-26 are A0-A12
} else if (pin >= 38 && pin <= 39) {
index = pin - 25; // 38=temperature
// 39=bandgap ref (PMC_REGSC |= PMC_REGSC_BGBE)
} else {
return 0;
}

#endif

//serial_phex(index);
//serial_print(" ");

channel = channel2sc1a[index];
//serial_phex(channel);
//serial_print(" ");
if (pin >= sizeof(pin2sc1a)) return 0;
channel = pin2sc1a[pin];
if (channel == 255) return 0;

//serial_print("analogRead");
//return 0;
if (calibrating) wait_for_cal();
//pin = 5; // PTD1/SE5b, pin 14, analog 0

#ifdef HAS_KINETIS_ADC1
if (channel & 0x80) goto beginADC1;

+ 58
- 35
teensy3/avr_emulation.h 查看文件

@@ -1261,51 +1261,74 @@ public:
return ret;
}
inline void setMOSI(uint8_t pin) __attribute__((always_inline)) {
if (pin == 0) pinout &= ~1; // MOSI1 = 0 (PTB16)
if (pin == 21) pinout |= 1; // MOSI1 = 21 (PTD6)
// More options, so 2 bits
pinout &= ~3;
switch (pin) {
case 0: break;
case 21: pinout |= 1; break;
case 61: pinout |= 2; break;
case 59: pinout |= 3; break;
}
}
inline void setMISO(uint8_t pin) __attribute__((always_inline)) {
if (pin == 1) pinout &= ~2; // MISO1 = 1 (PTB17)
if (pin == 5) pinout |= 2; // MISO1 = 5 (PTD7)
// More options, so 2 bits
pinout &= ~0xc;
switch (pin) {
case 1: break;
case 5: pinout |= 0x4; break;
case 61: pinout |= 0x8; break;
case 59: pinout |= 0xc; break;
}
}
inline void setSCK(uint8_t pin) __attribute__((always_inline)) {
if (pin == 20) pinout &= ~4; // SCK = 20 (PTD5)
if (pin == 32) pinout |= 4; // MISO1 = 32 (PTB11)
// More options, so 2 bits
pinout &= ~0x30;
switch (pin) {
case 20: break;
case 32: pinout |= 0x10; break;
case 60: pinout |= 0x20; break;
}
}
inline void enable_pins(void) __attribute__((always_inline)) {
//serial_print("enable_pins\n");
if ((pinout & 1) == 0) {
CORE_PIN0_CONFIG = PORT_PCR_MUX(2); // MOSI1 = 0 (PTB16)
} else {
CORE_PIN21_CONFIG = PORT_PCR_MUX(7); // MOSI1 = 21 (PTD6)
}
if ((pinout & 2) == 0) {
CORE_PIN1_CONFIG = PORT_PCR_MUX(2); // MISO1 = 1 (PTB17)
} else {
CORE_PIN5_CONFIG = PORT_PCR_MUX(7); // MISO1 = 5 (PTD7)
}
if ((pinout & 4) == 0) {
CORE_PIN20_CONFIG = PORT_PCR_MUX(7); // SCK1 = 20 (PTD5)
} else {
CORE_PIN32_CONFIG = PORT_PCR_MUX(2); // MISO1 = 5 (PTD7)
// MOSI (SOUT)
switch (pinout & 0x3) {
case 0: CORE_PIN0_CONFIG = PORT_PCR_MUX(2); break;
case 1: CORE_PIN21_CONFIG = PORT_PCR_MUX(7); break;
case 2: CORE_PIN61_CONFIG = PORT_PCR_MUX(7); break;
case 3: CORE_PIN59_CONFIG = PORT_PCR_MUX(2); break;
}
// MISO (SIN)
switch (pinout & 0xc) {
case 0x0: CORE_PIN1_CONFIG = PORT_PCR_MUX(2); break;
case 0x4: CORE_PIN5_CONFIG = PORT_PCR_MUX(7); break;
case 0x8: CORE_PIN61_CONFIG = PORT_PCR_MUX(2); break;
case 0xc: CORE_PIN59_CONFIG = PORT_PCR_MUX(7); break;
}
// SCK
switch (pinout & 0x30) {
case 0x0: CORE_PIN20_CONFIG = PORT_PCR_MUX(7); break;
case 0x10: CORE_PIN32_CONFIG = PORT_PCR_MUX(2); break;
case 0x20: CORE_PIN60_CONFIG = PORT_PCR_MUX(2); break;
}
}
inline void disable_pins(void) __attribute__((always_inline)) {
//serial_print("disable_pins\n");
if ((pinout & 1) == 0) {
CORE_PIN0_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1);
} else {
CORE_PIN21_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1);
}
if ((pinout & 2) == 0) {
CORE_PIN1_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1);
} else {
CORE_PIN5_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1);
}
if ((pinout & 4) == 0) {
CORE_PIN20_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); // SCK1 = 20 (PTD5)
} else {
CORE_PIN32_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); // MISO1 = 5 (PTD7)
switch (pinout & 0x3) {
case 0: CORE_PIN0_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); break;
case 1: CORE_PIN21_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); break;
case 2: CORE_PIN61_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); break;
case 3: CORE_PIN59_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); break;
}
switch (pinout & 0xc) {
case 0x0: CORE_PIN1_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); break;
case 0x4: CORE_PIN5_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); break;
case 0x8: CORE_PIN61_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); break;
case 0xc: CORE_PIN59_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); break;
}
switch (pinout & 0x30) {
case 0x0: CORE_PIN20_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); break;
case 0x10: CORE_PIN32_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); break;
case 0x20: CORE_PIN60_CONFIG = PORT_PCR_SRE | PORT_PCR_MUX(1); break;
}
}
friend class SPIFIFO1class;

+ 102
- 6
teensy3/core_pins.h 查看文件

@@ -34,7 +34,6 @@
#include "kinetis.h"
#include "pins_arduino.h"


#define HIGH 1
#define LOW 0
#define INPUT 0
@@ -113,12 +112,18 @@
#define CORE_NUM_INTERRUPT 24 // really only 18, but 6 "holes"
#define CORE_NUM_ANALOG 13
#define CORE_NUM_PWM 10
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__)
#define CORE_NUM_TOTAL_PINS 58
#define CORE_NUM_DIGITAL 58
#define CORE_NUM_INTERRUPT 58
#define CORE_NUM_ANALOG 23
#elif defined(__MK64FX512__)
#define CORE_NUM_TOTAL_PINS 64
#define CORE_NUM_DIGITAL 64
#define CORE_NUM_INTERRUPT 64
#define CORE_NUM_ANALOG 27
#define CORE_NUM_PWM 20
#elif defined(__MK66FX1M0__)
#define CORE_NUM_TOTAL_PINS 64
#define CORE_NUM_DIGITAL 64
#define CORE_NUM_INTERRUPT 64
#define CORE_NUM_ANALOG 25
#define CORE_NUM_PWM 22
#endif

#if defined(__MK20DX128__) || defined(__MK20DX256__)
@@ -789,6 +794,12 @@
#define CORE_PIN55_BIT 11
#define CORE_PIN56_BIT 10
#define CORE_PIN57_BIT 11
#define CORE_PIN58_BIT 0
#define CORE_PIN59_BIT 1
#define CORE_PIN60_BIT 2
#define CORE_PIN61_BIT 3
#define CORE_PIN62_BIT 4
#define CORE_PIN63_BIT 5

#define CORE_PIN0_BITMASK (1<<(CORE_PIN0_BIT))
#define CORE_PIN1_BITMASK (1<<(CORE_PIN1_BIT))
@@ -848,6 +859,13 @@
#define CORE_PIN55_BITMASK (1<<(CORE_PIN55_BIT))
#define CORE_PIN56_BITMASK (1<<(CORE_PIN56_BIT))
#define CORE_PIN57_BITMASK (1<<(CORE_PIN57_BIT))
#define CORE_PIN58_BITMASK (1<<(CORE_PIN58_BIT))
#define CORE_PIN59_BITMASK (1<<(CORE_PIN59_BIT))
#define CORE_PIN60_BITMASK (1<<(CORE_PIN60_BIT))
#define CORE_PIN61_BITMASK (1<<(CORE_PIN61_BIT))
#define CORE_PIN62_BITMASK (1<<(CORE_PIN62_BIT))
#define CORE_PIN63_BITMASK (1<<(CORE_PIN63_BIT))


#define CORE_PIN0_PORTREG GPIOB_PDOR
#define CORE_PIN1_PORTREG GPIOB_PDOR
@@ -907,6 +925,12 @@
#define CORE_PIN55_PORTREG GPIOD_PDOR
#define CORE_PIN56_PORTREG GPIOE_PDOR
#define CORE_PIN57_PORTREG GPIOE_PDOR
#define CORE_PIN58_PORTREG GPIOE_PDOR
#define CORE_PIN59_PORTREG GPIOE_PDOR
#define CORE_PIN60_PORTREG GPIOE_PDOR
#define CORE_PIN61_PORTREG GPIOE_PDOR
#define CORE_PIN62_PORTREG GPIOE_PDOR
#define CORE_PIN63_PORTREG GPIOE_PDOR

#define CORE_PIN0_PORTSET GPIOB_PSOR
#define CORE_PIN1_PORTSET GPIOB_PSOR
@@ -966,6 +990,12 @@
#define CORE_PIN55_PORTSET GPIOD_PSOR
#define CORE_PIN56_PORTSET GPIOE_PSOR
#define CORE_PIN57_PORTSET GPIOE_PSOR
#define CORE_PIN58_PORTSET GPIOE_PSOR
#define CORE_PIN59_PORTSET GPIOE_PSOR
#define CORE_PIN60_PORTSET GPIOE_PSOR
#define CORE_PIN61_PORTSET GPIOE_PSOR
#define CORE_PIN62_PORTSET GPIOE_PSOR
#define CORE_PIN63_PORTSET GPIOE_PSOR

#define CORE_PIN0_PORTCLEAR GPIOB_PCOR
#define CORE_PIN1_PORTCLEAR GPIOB_PCOR
@@ -1025,6 +1055,12 @@
#define CORE_PIN55_PORTCLEAR GPIOD_PCOR
#define CORE_PIN56_PORTCLEAR GPIOE_PCOR
#define CORE_PIN57_PORTCLEAR GPIOE_PCOR
#define CORE_PIN58_PORTCLEAR GPIOE_PCOR
#define CORE_PIN59_PORTCLEAR GPIOE_PCOR
#define CORE_PIN60_PORTCLEAR GPIOE_PCOR
#define CORE_PIN61_PORTCLEAR GPIOE_PCOR
#define CORE_PIN62_PORTCLEAR GPIOE_PCOR
#define CORE_PIN63_PORTCLEAR GPIOE_PCOR

#define CORE_PIN0_DDRREG GPIOB_PDDR
#define CORE_PIN1_DDRREG GPIOB_PDDR
@@ -1084,6 +1120,12 @@
#define CORE_PIN55_DDRREG GPIOD_PDDR
#define CORE_PIN56_DDRREG GPIOE_PDDR
#define CORE_PIN57_DDRREG GPIOE_PDDR
#define CORE_PIN58_DDRREG GPIOE_PDDR
#define CORE_PIN59_DDRREG GPIOE_PDDR
#define CORE_PIN60_DDRREG GPIOE_PDDR
#define CORE_PIN61_DDRREG GPIOE_PDDR
#define CORE_PIN62_DDRREG GPIOE_PDDR
#define CORE_PIN63_DDRREG GPIOE_PDDR

#define CORE_PIN0_PINREG GPIOB_PDIR
#define CORE_PIN1_PINREG GPIOB_PDIR
@@ -1143,6 +1185,12 @@
#define CORE_PIN55_PINREG GPIOD_PDIR
#define CORE_PIN56_PINREG GPIOE_PDIR
#define CORE_PIN57_PINREG GPIOE_PDIR
#define CORE_PIN58_PINREG GPIOE_PDIR
#define CORE_PIN59_PINREG GPIOE_PDIR
#define CORE_PIN60_PINREG GPIOE_PDIR
#define CORE_PIN61_PINREG GPIOE_PDIR
#define CORE_PIN62_PINREG GPIOE_PDIR
#define CORE_PIN63_PINREG GPIOE_PDIR

#define CORE_PIN0_CONFIG PORTB_PCR16
#define CORE_PIN1_CONFIG PORTB_PCR17
@@ -1202,6 +1250,12 @@
#define CORE_PIN55_CONFIG PORTD_PCR11
#define CORE_PIN56_CONFIG PORTE_PCR10
#define CORE_PIN57_CONFIG PORTE_PCR11
#define CORE_PIN58_CONFIG PORTE_PCR0
#define CORE_PIN59_CONFIG PORTE_PCR1
#define CORE_PIN60_CONFIG PORTE_PCR2
#define CORE_PIN61_CONFIG PORTE_PCR3
#define CORE_PIN62_CONFIG PORTE_PCR4
#define CORE_PIN63_CONFIG PORTE_PCR5

#define CORE_ADC0_PIN 14
#define CORE_ADC1_PIN 15
@@ -1294,6 +1348,12 @@
#define CORE_INT55_PIN 55
#define CORE_INT56_PIN 56
#define CORE_INT57_PIN 57
#define CORE_INT58_PIN 58
#define CORE_INT59_PIN 59
#define CORE_INT60_PIN 60
#define CORE_INT61_PIN 61
#define CORE_INT62_PIN 62
#define CORE_INT63_PIN 63
#define CORE_INT_EVERY_PIN 1

#endif
@@ -1432,6 +1492,18 @@ static inline void digitalWriteFast(uint8_t pin, uint8_t val)
CORE_PIN56_PORTSET = CORE_PIN56_BITMASK;
} else if (pin == 57) {
CORE_PIN57_PORTSET = CORE_PIN57_BITMASK;
} else if (pin == 58) {
CORE_PIN58_PORTSET = CORE_PIN58_BITMASK;
} else if (pin == 59) {
CORE_PIN59_PORTSET = CORE_PIN59_BITMASK;
} else if (pin == 60) {
CORE_PIN60_PORTSET = CORE_PIN60_BITMASK;
} else if (pin == 61) {
CORE_PIN61_PORTSET = CORE_PIN61_BITMASK;
} else if (pin == 62) {
CORE_PIN62_PORTSET = CORE_PIN62_BITMASK;
} else if (pin == 63) {
CORE_PIN63_PORTSET = CORE_PIN63_BITMASK;
}
#endif
} else {
@@ -1556,6 +1628,18 @@ static inline void digitalWriteFast(uint8_t pin, uint8_t val)
CORE_PIN56_PORTCLEAR = CORE_PIN56_BITMASK;
} else if (pin == 57) {
CORE_PIN57_PORTCLEAR = CORE_PIN57_BITMASK;
} else if (pin == 58) {
CORE_PIN58_PORTCLEAR = CORE_PIN58_BITMASK;
} else if (pin == 59) {
CORE_PIN59_PORTCLEAR = CORE_PIN59_BITMASK;
} else if (pin == 60) {
CORE_PIN60_PORTCLEAR = CORE_PIN60_BITMASK;
} else if (pin == 61) {
CORE_PIN61_PORTCLEAR = CORE_PIN61_BITMASK;
} else if (pin == 62) {
CORE_PIN62_PORTCLEAR = CORE_PIN62_BITMASK;
} else if (pin == 63) {
CORE_PIN63_PORTCLEAR = CORE_PIN63_BITMASK;
}
#endif
}
@@ -1694,6 +1778,18 @@ static inline uint8_t digitalReadFast(uint8_t pin)
return (CORE_PIN56_PINREG & CORE_PIN56_BITMASK) ? 1 : 0;
} else if (pin == 57) {
return (CORE_PIN57_PINREG & CORE_PIN57_BITMASK) ? 1 : 0;
} else if (pin == 58) {
return (CORE_PIN58_PINREG & CORE_PIN58_BITMASK) ? 1 : 0;
} else if (pin == 59) {
return (CORE_PIN59_PINREG & CORE_PIN59_BITMASK) ? 1 : 0;
} else if (pin == 60) {
return (CORE_PIN60_PINREG & CORE_PIN60_BITMASK) ? 1 : 0;
} else if (pin == 61) {
return (CORE_PIN61_PINREG & CORE_PIN61_BITMASK) ? 1 : 0;
} else if (pin == 62) {
return (CORE_PIN62_PINREG & CORE_PIN62_BITMASK) ? 1 : 0;
} else if (pin == 63) {
return (CORE_PIN63_PINREG & CORE_PIN63_BITMASK) ? 1 : 0;
}
#endif
else {

+ 1
- 1
teensy3/kinetis.h 查看文件

@@ -478,7 +478,7 @@ enum IRQ_NUMBER_t {
#define DMAMUX_SOURCE_I2S0_RX 12
#define DMAMUX_SOURCE_I2S0_TX 13
#define DMAMUX_SOURCE_SPI0_RX 14
#define DMAMUX_SOURCE_SPI0_TX 14
#define DMAMUX_SOURCE_SPI0_TX 15
#define DMAMUX_SOURCE_SPI1_RX 16
#define DMAMUX_SOURCE_SPI1_TX 17
#define DMAMUX_SOURCE_I2C0 18

+ 1
- 1
teensy3/mk20dx128.c 查看文件

@@ -809,7 +809,7 @@ void ResetHandler(void)
#else
#if defined(KINETISK)
// enable capacitors for crystal
OSC0_CR = OSC_SC8P | OSC_SC2P;
OSC0_CR = OSC_SC8P | OSC_SC2P | OSC_ERCLKEN;
#elif defined(KINETISL)
// enable capacitors for crystal
OSC0_CR = OSC_SC8P | OSC_SC2P | OSC_ERCLKEN;

+ 62
- 45
teensy3/pins_arduino.h 查看文件

@@ -44,26 +44,26 @@
#define PIN_A7 (21)
#define PIN_A8 (22)
#define PIN_A9 (23)
const static uint8_t A0 = 14;
const static uint8_t A1 = 15;
const static uint8_t A2 = 16;
const static uint8_t A3 = 17;
const static uint8_t A4 = 18;
const static uint8_t A5 = 19;
const static uint8_t A6 = 20;
const static uint8_t A7 = 21;
const static uint8_t A8 = 22;
const static uint8_t A9 = 23;
const static uint8_t A0 = PIN_A0;
const static uint8_t A1 = PIN_A1;
const static uint8_t A2 = PIN_A2;
const static uint8_t A3 = PIN_A3;
const static uint8_t A4 = PIN_A4;
const static uint8_t A5 = PIN_A5;
const static uint8_t A6 = PIN_A6;
const static uint8_t A7 = PIN_A7;
const static uint8_t A8 = PIN_A8;
const static uint8_t A9 = PIN_A9;

#if defined(__MK20DX128__)
#define PIN_A10 (34)
#define PIN_A11 (35)
#define PIN_A12 (36)
#define PIN_A13 (37)
const static uint8_t A10 = 34;
const static uint8_t A11 = 35;
const static uint8_t A12 = 36;
const static uint8_t A13 = 37;
const static uint8_t A10 = PIN_A10;
const static uint8_t A11 = PIN_A11;
const static uint8_t A12 = PIN_A12;
const static uint8_t A13 = PIN_A13;

#elif defined(__MK20DX256__)
#define PIN_A10 (34)
@@ -77,29 +77,29 @@ const static uint8_t A13 = 37;
#define PIN_A18 (29)
#define PIN_A19 (30)
#define PIN_A20 (31)
const static uint8_t A10 = 34;
const static uint8_t A11 = 35;
const static uint8_t A12 = 36;
const static uint8_t A13 = 37;
const static uint8_t A14 = 40;
const static uint8_t A15 = 26;
const static uint8_t A16 = 27;
const static uint8_t A17 = 28;
const static uint8_t A18 = 29;
const static uint8_t A19 = 30;
const static uint8_t A20 = 31;
const static uint8_t A10 = PIN_A10;
const static uint8_t A11 = PIN_A11;
const static uint8_t A12 = PIN_A12;
const static uint8_t A13 = PIN_A13;
const static uint8_t A14 = PIN_A14;
const static uint8_t A15 = PIN_A15;
const static uint8_t A16 = PIN_A16;
const static uint8_t A17 = PIN_A17;
const static uint8_t A18 = PIN_A18;
const static uint8_t A19 = PIN_A19;
const static uint8_t A20 = PIN_A20;

#elif defined(__MKL26Z64__)
#define PIN_A10 (24)
#define PIN_A11 (25)
#define PIN_A12 (26)
const static uint8_t A10 = 24;
const static uint8_t A11 = 25;
const static uint8_t A12 = 26;
const static uint8_t A10 = PIN_A10;
const static uint8_t A11 = PIN_A11;
const static uint8_t A12 = PIN_A12;

#elif defined(__MK64FX512__) || defined(__MK66FX1M0__)
#define PIN_A10 (40)
#define PIN_A11 (41)
#define PIN_A10 (64)
#define PIN_A11 (65)
#define PIN_A12 (31)
#define PIN_A13 (32)
#define PIN_A14 (33)
@@ -109,21 +109,29 @@ const static uint8_t A12 = 26;
#define PIN_A18 (37)
#define PIN_A19 (38)
#define PIN_A20 (39)
#define PIN_A21 (42)
#define PIN_A22 (43)
const static uint8_t A10 = 40;
const static uint8_t A11 = 41;
const static uint8_t A12 = 31;
const static uint8_t A13 = 32;
const static uint8_t A14 = 33;
const static uint8_t A15 = 34;
const static uint8_t A16 = 35;
const static uint8_t A17 = 36;
const static uint8_t A18 = 37;
const static uint8_t A19 = 38;
const static uint8_t A20 = 39;
const static uint8_t A21 = 42;
const static uint8_t A22 = 43;
#define PIN_A21 (66)
#define PIN_A22 (67)
#define PIN_A23 (49)
#define PIN_A24 (50)
#define PIN_A25 (68)
#define PIN_A26 (69)
const static uint8_t A10 = PIN_A10;
const static uint8_t A11 = PIN_A11;
const static uint8_t A12 = PIN_A12;
const static uint8_t A13 = PIN_A13;
const static uint8_t A14 = PIN_A14;
const static uint8_t A15 = PIN_A15;
const static uint8_t A16 = PIN_A16;
const static uint8_t A17 = PIN_A17;
const static uint8_t A18 = PIN_A18;
const static uint8_t A19 = PIN_A19;
const static uint8_t A20 = PIN_A20;
const static uint8_t A21 = PIN_A21;
const static uint8_t A22 = PIN_A22;
const static uint8_t A23 = PIN_A23;
const static uint8_t A24 = PIN_A24;
const static uint8_t A25 = PIN_A25;
const static uint8_t A26 = PIN_A26;
#endif

#define LED_BUILTIN (13)
@@ -166,6 +174,7 @@ const static uint8_t SCL = 19;
#define digitalPinHasPWM(p) ((p) == 3 || (p) == 4 || (p) == 6 || (p) == 9 || (p) == 10 || (p) == 16 || (p) == 17 || (p) == 20 || (p) == 22 || (p) == 23)
#define digitalPinToInterrupt(p) ((((p) >= 2 && (p) <= 15) || ((p) >= 20 && (p) <= 23)) ? (p) : -1)
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__)
// TODO analogInputToDigitalPin needs update...
#define analogInputToDigitalPin(p) (((p) <= 9) ? (p) + 14 : (((p) >= 12 && (p) <= 20) ? (p) + 19 : -1))
#define digitalPinHasPWM(p) (((p) >= 2 && (p) <= 10) || (p) == 14 || ((p) >= 20 && (p) <= 23) || (p) == 29 || (p) == 30 || ((p) >= 35 && (p) <= 38))
#define digitalPinToInterrupt(p) ((p) < NUM_DIGITAL_PINS ? (p) : -1)
@@ -260,6 +269,14 @@ static inline uint8_t digitalPinToTimer(uint8_t pin)
#define SERIAL_PORT_HARDWARE_OPEN Serial1
#define SERIAL_PORT_HARDWARE_OPEN1 Serial2
#define SERIAL_PORT_HARDWARE_OPEN2 Serial3
#if defined(__MK64FX512__) || defined(__MK66FX1M0__)
#define SERIAL_PORT_HARDWARE3 Serial4
#define SERIAL_PORT_HARDWARE4 Serial5
#define SERIAL_PORT_HARDWARE5 Serial6
#define SERIAL_PORT_HARDWARE_OPEN3 Serial4
#define SERIAL_PORT_HARDWARE_OPEN4 Serial5
#define SERIAL_PORT_HARDWARE_OPEN5 Serial6
#endif

#define SerialUSB Serial


+ 92
- 10
teensy3/pins_teensy.c 查看文件

@@ -98,6 +98,12 @@ const struct digital_pin_bitband_and_config_table_struct digital_pin_to_info_PGM
{GPIO_BITBAND_PTR(CORE_PIN55_PORTREG, CORE_PIN55_BIT), &CORE_PIN55_CONFIG},
{GPIO_BITBAND_PTR(CORE_PIN56_PORTREG, CORE_PIN56_BIT), &CORE_PIN56_CONFIG},
{GPIO_BITBAND_PTR(CORE_PIN57_PORTREG, CORE_PIN57_BIT), &CORE_PIN57_CONFIG},
{GPIO_BITBAND_PTR(CORE_PIN58_PORTREG, CORE_PIN58_BIT), &CORE_PIN58_CONFIG},
{GPIO_BITBAND_PTR(CORE_PIN59_PORTREG, CORE_PIN59_BIT), &CORE_PIN59_CONFIG},
{GPIO_BITBAND_PTR(CORE_PIN60_PORTREG, CORE_PIN60_BIT), &CORE_PIN60_CONFIG},
{GPIO_BITBAND_PTR(CORE_PIN61_PORTREG, CORE_PIN61_BIT), &CORE_PIN61_CONFIG},
{GPIO_BITBAND_PTR(CORE_PIN62_PORTREG, CORE_PIN62_BIT), &CORE_PIN62_CONFIG},
{GPIO_BITBAND_PTR(CORE_PIN63_PORTREG, CORE_PIN63_BIT), &CORE_PIN63_CONFIG},
#endif
};

@@ -391,6 +397,12 @@ static void porte_interrupt(void)
if ((isfr & CORE_PIN34_BITMASK) && intFunc[34]) intFunc[34]();
if ((isfr & CORE_PIN56_BITMASK) && intFunc[56]) intFunc[56]();
if ((isfr & CORE_PIN57_BITMASK) && intFunc[57]) intFunc[57]();
if ((isfr & CORE_PIN58_BITMASK) && intFunc[58]) intFunc[58]();
if ((isfr & CORE_PIN59_BITMASK) && intFunc[59]) intFunc[59]();
if ((isfr & CORE_PIN60_BITMASK) && intFunc[60]) intFunc[60]();
if ((isfr & CORE_PIN61_BITMASK) && intFunc[61]) intFunc[61]();
if ((isfr & CORE_PIN62_BITMASK) && intFunc[62]) intFunc[62]();
if ((isfr & CORE_PIN63_BITMASK) && intFunc[63]) intFunc[63]();
}

#endif
@@ -629,9 +641,19 @@ void _init_Teensyduino_internal_(void)
FTM3_C0SC = 0x28;
FTM3_C1SC = 0x28;
FTM3_SC = FTM_SC_CLKS(1) | FTM_SC_PS(DEFAULT_FTM_PRESCALE);
#endif
#if defined(__MK66FX1M0__)
SIM_SCGC2 |= SIM_SCGC2_TPM1;
SIM_SOPT2 |= SIM_SOPT2_TPMSRC(2);
TPM1_CNT = 0;
TPM1_MOD = 32767;
TPM1_C0SC = 0x28;
TPM1_C1SC = 0x28;
TPM1_SC = FTM_SC_CLKS(1) | FTM_SC_PS(0);
#endif
analog_init();
// for background about this startup delay, please see this conversation
// for background about this startup delay, please see these conversations
// https://forum.pjrc.com/threads/36606-startup-time-(400ms)?p=113980&viewfull=1#post113980
// https://forum.pjrc.com/threads/31290-Teensey-3-2-Teensey-Loader-1-24-Issues?p=87273&viewfull=1#post87273
delay(400);
usb_init();
@@ -673,7 +695,28 @@ void _init_Teensyduino_internal_(void)
#define FTM1_CH1_PIN 17
#define FTM2_CH0_PIN 3
#define FTM2_CH1_PIN 4
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__)
#elif defined(__MK64FX512__)
#define FTM0_CH0_PIN 22
#define FTM0_CH1_PIN 23
#define FTM0_CH2_PIN 9
#define FTM0_CH3_PIN 10
#define FTM0_CH4_PIN 6
#define FTM0_CH5_PIN 20
#define FTM0_CH6_PIN 21
#define FTM0_CH7_PIN 5
#define FTM1_CH0_PIN 3
#define FTM1_CH1_PIN 4
#define FTM2_CH0_PIN 29
#define FTM2_CH1_PIN 30
#define FTM3_CH0_PIN 2
#define FTM3_CH1_PIN 14
#define FTM3_CH2_PIN 7
#define FTM3_CH3_PIN 8
#define FTM3_CH4_PIN 35
#define FTM3_CH5_PIN 36
#define FTM3_CH6_PIN 37
#define FTM3_CH7_PIN 38
#elif defined(__MK66FX1M0__)
#define FTM0_CH0_PIN 22
#define FTM0_CH1_PIN 23
#define FTM0_CH2_PIN 9
@@ -694,6 +737,8 @@ void _init_Teensyduino_internal_(void)
#define FTM3_CH5_PIN 36
#define FTM3_CH6_PIN 37
#define FTM3_CH7_PIN 38
#define TPM1_CH0_PIN 16
#define TPM1_CH1_PIN 17
#endif
#define FTM_PINCFG(pin) FTM_PINCFG2(pin)
#define FTM_PINCFG2(pin) CORE_PIN ## pin ## _CONFIG
@@ -768,6 +813,16 @@ void analogWrite(uint8_t pin, int val)
#if defined(FTM2_CH0_PIN)
} else if (pin == FTM2_CH0_PIN || pin == FTM2_CH1_PIN) {
cval = ((uint32_t)val * (uint32_t)(FTM2_MOD + 1)) >> analog_write_res;
#endif
#if defined(FTM3_CH0_PIN)
} else if (pin == FTM3_CH0_PIN || pin == FTM3_CH1_PIN || pin == FTM3_CH2_PIN
|| pin == FTM3_CH3_PIN || pin == FTM3_CH4_PIN || pin == FTM3_CH5_PIN
|| pin == FTM3_CH6_PIN || pin == FTM3_CH7_PIN) {
cval = ((uint32_t)val * (uint32_t)(FTM3_MOD + 1)) >> analog_write_res;
#endif
#if defined(TPM1_CH0_PIN)
} else if (pin == TPM1_CH0_PIN || pin == TPM1_CH1_PIN) {
cval = ((uint32_t)val * (uint32_t)(TPM1_MOD + 1)) >> analog_write_res;
#endif
} else {
cval = ((uint32_t)val * (uint32_t)(FTM0_MOD + 1)) >> analog_write_res;
@@ -895,6 +950,18 @@ void analogWrite(uint8_t pin, int val)
FTM3_C7V = cval;
FTM_PINCFG(FTM3_CH7_PIN) = PORT_PCR_MUX(3) | PORT_PCR_DSE | PORT_PCR_SRE;
break;
#endif
#ifdef TPM1_CH0_PIN
case TPM1_CH0_PIN:
TPM1_C0V = cval;
FTM_PINCFG(TPM1_CH0_PIN) = PORT_PCR_MUX(6) | PORT_PCR_DSE | PORT_PCR_SRE;
break;
#endif
#ifdef TPM1_CH1_PIN
case TPM1_CH1_PIN:
TPM1_C1V = cval;
FTM_PINCFG(TPM1_CH1_PIN) = PORT_PCR_MUX(6) | PORT_PCR_DSE | PORT_PCR_SRE;
break;
#endif
default:
digitalWrite(pin, (val > 127) ? HIGH : LOW);
@@ -924,14 +991,21 @@ void analogWriteFrequency(uint8_t pin, float frequency)
//serial_print(", freq = ");
//serial_phex32((uint32_t)frequency);
//serial_print("\n");
if (frequency < (float)(F_TIMER >> 7) / 65536.0f) { //If frequency is too low for working with F_TIMER:
ftmClockSource = 2; //Use alternative 31250Hz clock source
ftmClock = 31250; //Set variable for the actual timer clock frequency
} else { //Else do as before:
ftmClockSource = 1; //Use default F_Timer clock source
ftmClock = F_TIMER; //Set variable for the actual timer clock frequency
}

#ifdef TPM1_CH0_PIN
if (pin == TPM1_CH0_PIN || pin == TPM1_CH1_PIN) {
ftmClockSource = 1;
ftmClock = 16000000;
} else
#endif
if (frequency < (float)(F_TIMER >> 7) / 65536.0f) {
// frequency is too low for working with F_TIMER:
ftmClockSource = 2; // Use alternative 31250Hz clock source
ftmClock = 31250; // Set variable for the actual timer clock frequency
} else {
ftmClockSource = 1; // Use default F_TIMER clock source
ftmClock = F_TIMER; // Set variable for the actual timer clock frequency
}

for (prescale = 0; prescale < 7; prescale++) {
@@ -985,6 +1059,14 @@ void analogWriteFrequency(uint8_t pin, float frequency)
FTM3_SC = FTM_SC_CLKS(ftmClockSource) | FTM_SC_PS(prescale); //Use the new ftmClockSource instead of 1
}
#endif
#ifdef TPM1_CH0_PIN
else if (pin == TPM1_CH0_PIN || pin == TPM1_CH1_PIN) {
TPM1_SC = 0;
TPM1_CNT = 0;
TPM1_MOD = mod;
TPM1_SC = FTM_SC_CLKS(ftmClockSource) | FTM_SC_PS(prescale);
}
#endif
}



+ 28
- 6
teensy3/serial2.c 查看文件

@@ -117,10 +117,16 @@ void serial2_begin(uint32_t divisor)
switch (rx_pin_num) {
case 9: CORE_PIN9_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); break;
case 26: CORE_PIN26_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); break;
#if defined(__MK64FX512__) || defined(__MK66FX1M0__) // on T3.5 or T3.6
case 59: CORE_PIN59_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); break;
#endif
}
switch (tx_pin_num) {
case 10: CORE_PIN10_CONFIG = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); break;
case 31: CORE_PIN31_CONFIG = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); break;
#if defined(__MK64FX512__) || defined(__MK66FX1M0__) // on T3.5 or T3.6
case 58: CORE_PIN58_CONFIG = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); break;
#endif
}
#elif defined(KINETISL)
CORE_PIN9_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3);
@@ -189,14 +195,18 @@ void serial2_end(void)
#if defined(KINETISK)
switch (rx_pin_num) {
case 9: CORE_PIN9_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_MUX(1); break; // PTC3
#if !(defined(__MK64FX512__) || defined(__MK66FX1M0__)) // not on T3.5 or T3.6
#if defined(__MK20DX128__) || defined(__MK20DX256__) // T3.0, T3.1, T3.2
case 26: CORE_PIN26_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_MUX(1); break; // PTE1
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__) // T3.5, T3.6
case 59: CORE_PIN59_CONFIG = 0; break;
#endif
}
switch (tx_pin_num & 127) {
case 10: CORE_PIN10_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_MUX(1); break; // PTC4
#if !(defined(__MK64FX512__) || defined(__MK66FX1M0__)) // not on T3.5 or T3.6
#if defined(__MK20DX128__) || defined(__MK20DX256__) // T3.0, T3.1, T3.2
case 31: CORE_PIN31_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_MUX(1); break; // PTE0
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__) // T3.5, T3.6
case 58: CORE_PIN58_CONFIG = 0; break;
#endif
}
#elif defined(KINETISL)
@@ -229,8 +239,10 @@ void serial2_set_tx(uint8_t pin, uint8_t opendrain)
if ((SIM_SCGC4 & SIM_SCGC4_UART1)) {
switch (tx_pin_num & 127) {
case 10: CORE_PIN10_CONFIG = 0; break; // PTC4
#if !(defined(__MK64FX512__) || defined(__MK66FX1M0__)) // not on T3.5 or T3.6
#if defined(__MK20DX128__) || defined(__MK20DX256__) // T3.0, T3.1, T3.2
case 31: CORE_PIN31_CONFIG = 0; break; // PTE0
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__) // T3.5, T3.6
case 58: CORE_PIN58_CONFIG = 0; break;
#endif
}
if (opendrain) {
@@ -240,8 +252,10 @@ void serial2_set_tx(uint8_t pin, uint8_t opendrain)
}
switch (pin & 127) {
case 10: CORE_PIN10_CONFIG = cfg | PORT_PCR_MUX(3); break;
#if !(defined(__MK64FX512__) || defined(__MK66FX1M0__)) // not on T3.5 or T3.6
#if defined(__MK20DX128__) || defined(__MK20DX256__) // T3.0, T3.1, T3.2
case 31: CORE_PIN31_CONFIG = cfg | PORT_PCR_MUX(3); break;
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__) // T3.5, T3.6
case 58: CORE_PIN58_CONFIG = cfg | PORT_PCR_MUX(3); break;
#endif
}
}
@@ -256,14 +270,18 @@ void serial2_set_rx(uint8_t pin)
if ((SIM_SCGC4 & SIM_SCGC4_UART1)) {
switch (rx_pin_num) {
case 9: CORE_PIN9_CONFIG = 0; break; // PTC3
#if !(defined(__MK64FX512__) || defined(__MK66FX1M0__)) // not on T3.5 or T3.6
#if defined(__MK20DX128__) || defined(__MK20DX256__) // T3.0, T3.1, T3.2
case 26: CORE_PIN26_CONFIG = 0; break; // PTE1
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__) // T3.5, T3.6
case 59: CORE_PIN59_CONFIG = 0; break;
#endif
}
switch (pin) {
case 9: CORE_PIN9_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); break;
#if !(defined(__MK64FX512__) || defined(__MK66FX1M0__)) // not on T3.5 or T3.6
#if defined(__MK20DX128__) || defined(__MK20DX256__) // T3.0, T3.1, T3.2
case 26: CORE_PIN26_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); break;
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__) // T3.5, T3.6
case 59: CORE_PIN59_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); break;
#endif
}
}
@@ -304,6 +322,10 @@ int serial2_set_cts(uint8_t pin)
if (!(SIM_SCGC4 & SIM_SCGC4_UART1)) return 0;
if (pin == 23) {
CORE_PIN23_CONFIG = PORT_PCR_MUX(3) | PORT_PCR_PE; // weak pulldown
#if defined(__MK64FX512__) || defined(__MK66FX1M0__) // on T3.5 or T3.6
} else if (pin == 60) {
CORE_PIN60_CONFIG = PORT_PCR_MUX(3) | PORT_PCR_PE; // weak pulldown
#endif
} else {
UART1_MODEM &= ~UART_MODEM_TXCTSE;
return 0;

+ 31
- 2
teensy3/serial4.c 查看文件

@@ -81,6 +81,7 @@ static volatile uint8_t rx_buffer_head = 0;
static volatile uint8_t rx_buffer_tail = 0;
#endif

static uint8_t rx_pin_num = 31;
static uint8_t tx_pin_num = 32;

// UART0 and UART1 are clocked by F_CPU, UART2 is clocked by F_BUS
@@ -99,8 +100,14 @@ void serial4_begin(uint32_t divisor)
tx_buffer_head = 0;
tx_buffer_tail = 0;
transmitting = 0;
CORE_PIN31_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3);
CORE_PIN32_CONFIG = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3);
switch (rx_pin_num) {
case 31: CORE_PIN31_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); break;
case 63: CORE_PIN63_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); break;
}
switch (tx_pin_num) {
case 32: CORE_PIN32_CONFIG = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); break;
case 62: CORE_PIN62_CONFIG = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); break;
}
UART3_BDH = (divisor >> 13) & 0x1F;
UART3_BDL = (divisor >> 5) & 0xFF;
UART3_C4 = divisor & 0x1F;
@@ -150,6 +157,14 @@ void serial4_end(void)
UART3_C2 = 0;
CORE_PIN31_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_MUX(1);
CORE_PIN32_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_MUX(1);
switch (rx_pin_num) {
case 31: CORE_PIN31_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_MUX(1); break; // PTC3
case 63: CORE_PIN63_CONFIG = 0; break;
}
switch (tx_pin_num & 127) {
case 32: CORE_PIN32_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_MUX(1); break; // PTC4
case 62: CORE_PIN62_CONFIG = 0; break;
}
rx_buffer_head = 0;
rx_buffer_tail = 0;
if (rts_pin) rts_deassert();
@@ -172,6 +187,7 @@ void serial4_set_tx(uint8_t pin, uint8_t opendrain)
if ((SIM_SCGC4 & SIM_SCGC4_UART3)) {
switch (tx_pin_num & 127) {
case 32: CORE_PIN32_CONFIG = 0; break; // PTB11
case 62: CORE_PIN62_CONFIG = 0; break;
}
if (opendrain) {
cfg = PORT_PCR_DSE | PORT_PCR_ODE;
@@ -180,6 +196,7 @@ void serial4_set_tx(uint8_t pin, uint8_t opendrain)
}
switch (pin & 127) {
case 32: CORE_PIN32_CONFIG = cfg | PORT_PCR_MUX(3); break;
case 62: CORE_PIN62_CONFIG = cfg | PORT_PCR_MUX(3);; break;
}
}
tx_pin_num = pin;
@@ -188,6 +205,18 @@ void serial4_set_tx(uint8_t pin, uint8_t opendrain)

void serial4_set_rx(uint8_t pin)
{
if (pin == rx_pin_num) return;
if ((SIM_SCGC4 & SIM_SCGC4_UART3)) {
switch (rx_pin_num) {
case 31: CORE_PIN31_CONFIG = 0; break; // PTC3
case 63: CORE_PIN63_CONFIG = 0; break;
}
switch (pin) {
case 31: CORE_PIN31_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); break;
case 63: CORE_PIN63_CONFIG = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); break;
}
}
rx_pin_num = pin;
}

int serial4_set_rts(uint8_t pin)

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