forked from stm32duino/Arduino_Core_STM32
-
Notifications
You must be signed in to change notification settings - Fork 3
/
Copy pathpins_arduino.h
294 lines (264 loc) · 9.59 KB
/
pins_arduino.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
/*
Copyright (c) 2011 Arduino. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _PINS_ARDUINO_H_
#define _PINS_ARDUINO_H_
// Include board variant
#include "variant.h"
// Avoid PortName issue
_Static_assert(LastPort <= 0x0F, "PortName must be less than 16");
// Arduino digital pins alias
// GPIO port (A to K) * 16 pins: 176
enum {
D0, D1, D2, D3, D4, D5, D6, D7, D8, D9,
D10, D11, D12, D13, D14, D15, D16, D17, D18, D19,
D20, D21, D22, D23, D24, D25, D26, D27, D28, D29,
D30, D31, D32, D33, D34, D35, D36, D37, D38, D39,
D40, D41, D42, D43, D44, D45, D46, D47, D48, D49,
D50, D51, D52, D53, D54, D55, D56, D57, D58, D59,
D60, D61, D62, D63, D64, D65, D66, D67, D68, D69,
D70, D71, D72, D73, D74, D75, D76, D77, D78, D79,
D80, D81, D82, D83, D84, D85, D86, D87, D88, D89,
D90, D91, D92, D93, D94, D95, D96, D97, D98, D99,
D100, D101, D102, D103, D104, D105, D106, D107, D108, D109,
D110, D111, D112, D113, D114, D115, D116, D117, D118, D119,
D120, D121, D122, D123, D124, D125, D126, D127, D128, D129,
D130, D131, D132, D133, D134, D135, D136, D137, D138, D139,
D140, D141, D142, D143, D144, D145, D146, D147, D148, D149,
D150, D151, D152, D153, D154, D155, D156, D157, D158, D159,
D160, D161, D162, D163, D164, D165, D166, D167, D168, D169,
D170, D171, D172, D173, D174, D175,
DMAX
};
// Arduino analog pins
// Analog pins must be contiguous to be able to loop on each value
#define MAX_ANALOG_INPUTS 24
_Static_assert(NUM_ANALOG_INPUTS <= MAX_ANALOG_INPUTS,
"Core NUM_ANALOG_INPUTS limited to MAX_ANALOG_INPUTS" );
_Static_assert(NUM_ANALOG_FIRST >= NUM_ANALOG_INPUTS,
"First analog pin value (A0) must be greater than or equal to NUM_ANALOG_INPUTS" );
// Defined for backward compatibility with Firmata which unfortunately use it
#define AEND (NUM_ANALOG_FIRST+NUM_ANALOG_INPUTS)
#if NUM_ANALOG_INPUTS > 0
#define PIN_A0 NUM_ANALOG_FIRST
static const uint8_t A0 = PIN_A0;
#endif
#if NUM_ANALOG_INPUTS > 1
#define PIN_A1 (PIN_A0 + 1)
static const uint8_t A1 = PIN_A1;
#endif
#if NUM_ANALOG_INPUTS > 2
#define PIN_A2 (PIN_A1 + 1)
static const uint8_t A2 = PIN_A2;
#endif
#if NUM_ANALOG_INPUTS > 3
#define PIN_A3 (PIN_A2 + 1)
static const uint8_t A3 = PIN_A3;
#endif
#if NUM_ANALOG_INPUTS > 4
#define PIN_A4 (PIN_A3 + 1)
static const uint8_t A4 = PIN_A4;
#endif
#if NUM_ANALOG_INPUTS > 5
#define PIN_A5 (PIN_A4 + 1)
static const uint8_t A5 = PIN_A5;
#endif
#if NUM_ANALOG_INPUTS > 6
#define PIN_A6 (PIN_A5 + 1)
static const uint8_t A6 = PIN_A6;
#endif
#if NUM_ANALOG_INPUTS > 7
#define PIN_A7 (PIN_A6 + 1)
static const uint8_t A7 = PIN_A7;
#endif
#if NUM_ANALOG_INPUTS > 8
#define PIN_A8 (PIN_A7 + 1)
static const uint8_t A8 = PIN_A8;
#endif
#if NUM_ANALOG_INPUTS > 9
#define PIN_A9 (PIN_A8 + 1)
static const uint8_t A9 = PIN_A9;
#endif
#if NUM_ANALOG_INPUTS > 10
#define PIN_A10 (PIN_A9 + 1)
static const uint8_t A10 = PIN_A10;
#endif
#if NUM_ANALOG_INPUTS > 11
#define PIN_A11 (PIN_A10 + 1)
static const uint8_t A11 = PIN_A11;
#endif
#if NUM_ANALOG_INPUTS > 12
#define PIN_A12 (PIN_A11 + 1)
static const uint8_t A12 = PIN_A12;
#endif
#if NUM_ANALOG_INPUTS > 13
#define PIN_A13 (PIN_A12 + 1)
static const uint8_t A13 = PIN_A13;
#endif
#if NUM_ANALOG_INPUTS > 14
#define PIN_A14 (PIN_A13 + 1)
static const uint8_t A14 = PIN_A14;
#endif
#if NUM_ANALOG_INPUTS > 15
#define PIN_A15 (PIN_A14 + 1)
static const uint8_t A15 = PIN_A15;
#endif
#if NUM_ANALOG_INPUTS > 16
#define PIN_A16 (PIN_A15 + 1)
static const uint8_t A16 = PIN_A16;
#endif
#if NUM_ANALOG_INPUTS > 17
#define PIN_A17 (PIN_A16 + 1)
static const uint8_t A17 = PIN_A17;
#endif
#if NUM_ANALOG_INPUTS > 18
#define PIN_A18 (PIN_A17 + 1)
static const uint8_t A18 = PIN_A18;
#endif
#if NUM_ANALOG_INPUTS > 19
#define PIN_A19 (PIN_A18 + 1)
static const uint8_t A19 = PIN_A19;
#endif
#if NUM_ANALOG_INPUTS > 20
#define PIN_A20 (PIN_A19 + 1)
static const uint8_t A20 = PIN_A20;
#endif
#if NUM_ANALOG_INPUTS > 21
#define PIN_A21 (PIN_A20 + 1)
static const uint8_t A21 = PIN_A21;
#endif
#if NUM_ANALOG_INPUTS > 22
#define PIN_A22 (PIN_A21 + 1)
static const uint8_t A22 = PIN_A22;
#endif
#if NUM_ANALOG_INPUTS > 23
#define PIN_A23 (PIN_A22 + 1)
static const uint8_t A23 = PIN_A23;
#endif
// Default for Arduino connector compatibility
// SPI Definitions
#ifndef PIN_SPI_SS
#define PIN_SPI_SS 10
#endif
#ifndef PIN_SPI_SS1
#define PIN_SPI_SS1 4
#endif
#ifndef PIN_SPI_SS2
#define PIN_SPI_SS2 7
#endif
#ifndef PIN_SPI_SS3
#define PIN_SPI_SS3 8
#endif
#ifndef PIN_SPI_MOSI
#define PIN_SPI_MOSI 11
#endif
#ifndef PIN_SPI_MISO
#define PIN_SPI_MISO 12
#endif
#ifndef PIN_SPI_SCK
#define PIN_SPI_SCK 13
#endif
static const uint8_t SS = PIN_SPI_SS;
static const uint8_t SS1 = PIN_SPI_SS1;
static const uint8_t SS2 = PIN_SPI_SS2;
static const uint8_t SS3 = PIN_SPI_SS3;
static const uint8_t MOSI = PIN_SPI_MOSI;
static const uint8_t MISO = PIN_SPI_MISO;
static const uint8_t SCK = PIN_SPI_SCK;
// I2C Definitions
#ifndef PIN_WIRE_SDA
#define PIN_WIRE_SDA 14
#endif
#ifndef PIN_WIRE_SCL
#define PIN_WIRE_SCL 15
#endif
static const uint8_t SDA = PIN_WIRE_SDA;
static const uint8_t SCL = PIN_WIRE_SCL;
#ifdef __cplusplus
extern "C" {
#endif
#define NOT_AN_INTERRUPT NC // -1
// Convert a digital pin number Dxx to a PinName PX_n
// Note: Analog pin is also a digital pin.
#define digitalPinToPinName(p) (((uint32_t)p < NUM_DIGITAL_PINS) ? digitalPin[p] : NC)
// Convert a PinName PX_n to a digital pin number
uint32_t pinNametoDigitalPin(PinName p);
// Convert an analog pin number to a digital pin number
// Used by analogRead api to have A0 == 0
#define analogInputToDigitalPin(p) (((uint32_t)p < NUM_ANALOG_INPUTS) ? (p+A0) : p)
// Convert an analog pin number Axx to a PinName PX_n
#define analogInputToPinName(p) (digitalPinToPinName(analogInputToDigitalPin(p)))
// All pins could manage EXTI
#define digitalPinToInterrupt(p) (digitalPinIsValid(p) ? p : NOT_AN_INTERRUPT)
#define digitalPinHasI2C(p) (pin_in_pinmap(digitalPinToPinName(p), PinMap_I2C_SDA) ||\
pin_in_pinmap(digitalPinToPinName(p), PinMap_I2C_SCL))
#define digitalPinHasPWM(p) (pin_in_pinmap(digitalPinToPinName(p), PinMap_PWM))
#define digitalPinHasSerial(p) (pin_in_pinmap(digitalPinToPinName(p), PinMap_UART_RX) ||\
pin_in_pinmap(digitalPinToPinName(p), PinMap_UART_TX))
#define digitalPinHasSPI(p) (pin_in_pinmap(digitalPinToPinName(p), PinMap_SPI_MOSI) ||\
pin_in_pinmap(digitalPinToPinName(p), PinMap_SPI_MISO) ||\
pin_in_pinmap(digitalPinToPinName(p), PinMap_SPI_SCLK) ||\
pin_in_pinmap(digitalPinToPinName(p), PinMap_SPI_SSEL))
#define digitalPinToPort(p) (get_GPIO_Port(STM_PORT(digitalPinToPinName(p))))
#define digitalPinToBitMask(p) (STM_GPIO_PIN(digitalPinToPinName(p)))
#define analogInPinToBit(p) (STM_GPIO_PIN(digitalPinToPinName(p)))
#define portOutputRegister(P) (&(P->ODR))
#define portInputRegister(P) (&(P->IDR))
#define portSetRegister(P) (&(P->BSRR))
#if defined(STM32F2xx) || defined(STM32F4xx) || defined(STM32F7xx)
// For those series reset are in the high part so << 16U needed
#define portClearRegister(P) (&(P->BSRR))
#else
#define portClearRegister(P) (&(P->BRR))
#endif
#if defined(STM32F1xx)
// Config registers split in 2 registers:
// CRL: pin 0..7
// CRH: pin 8..15
// Return only CRL
#define portModeRegister(P) (&(P->CRL))
#else
#define portModeRegister(P) (&(P->MODER))
#endif
#define portConfigRegister(P) (portModeRegister(P))
#define digitalPinIsValid(p) (digitalPinToPinName(p) != NC)
// As some pin could be duplicated in digitalPin[]
// return first occurence of linked PinName (PYx)
#define digitalPinFirstOccurence(p) (pinNametoDigitalPin(digitalPinToPinName(p)))
// Specific for Firmata. As some pins could be duplicated,
// ensure 'p' is not one of the serial pins
#if defined(PIN_SERIAL_RX) && defined(PIN_SERIAL_TX)
#define pinIsSerial(p) ((digitalPinFirstOccurence(p) == PIN_SERIAL_RX) ||\
(digitalPinFirstOccurence(p) == PIN_SERIAL_TX))
#endif
#ifdef __cplusplus
}
#endif
// Default Definitions, could be redefined in variant.h
#ifndef ADC_RESOLUTION
#define ADC_RESOLUTION 12
#endif
#ifndef DACC_RESOLUTION
#define DACC_RESOLUTION 12
#endif
#ifndef PWM_RESOLUTION
#define PWM_RESOLUTION 8
#endif
#ifndef PWM_FREQUENCY
#define PWM_FREQUENCY 1000
#endif
#ifndef PWM_MAX_DUTY_CYCLE
#define PWM_MAX_DUTY_CYCLE 255
#endif
#endif /*_PINS_ARDUINO_H_*/