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
|
/**
* Marlin 3D Printer Firmware
*
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
* Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
* Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#pragma once
/**
* HAL_LPC1768/HAL.h
* Hardware Abstraction Layer for NXP LPC1768
*/
#define CPU_32_BIT
void HAL_init();
#include <stdint.h>
#include <stdarg.h>
#include <algorithm>
extern "C" volatile uint32_t _millis;
#include "../shared/Marduino.h"
#include "../shared/math_32bit.h"
#include "../shared/HAL_SPI.h"
#include "fastio.h"
#include "watchdog.h"
#include "MarlinSerial.h"
#include <adc.h>
#include <pinmapping.h>
#include <CDCSerial.h>
//
// Default graphical display delays
//
#ifndef ST7920_DELAY_1
#define ST7920_DELAY_1 DELAY_NS(600)
#endif
#ifndef ST7920_DELAY_2
#define ST7920_DELAY_2 DELAY_NS(750)
#endif
#ifndef ST7920_DELAY_3
#define ST7920_DELAY_3 DELAY_NS(750)
#endif
typedef ForwardSerial0Type< decltype(UsbSerial) > DefaultSerial;
extern DefaultSerial USBSerial;
#define _MSERIAL(X) MSerial##X
#define MSERIAL(X) _MSERIAL(X)
#define MSerial0 MSerial
#if SERIAL_PORT == -1
#define MYSERIAL0 USBSerial
#elif WITHIN(SERIAL_PORT, 0, 3)
#define MYSERIAL0 MSERIAL(SERIAL_PORT)
#else
#error "SERIAL_PORT must be from -1 to 3. Please update your configuration."
#endif
#ifdef SERIAL_PORT_2
#if SERIAL_PORT_2 == -1
#define MYSERIAL1 USBSerial
#elif WITHIN(SERIAL_PORT_2, 0, 3)
#define MYSERIAL1 MSERIAL(SERIAL_PORT_2)
#else
#error "SERIAL_PORT_2 must be from -1 to 3. Please update your configuration."
#endif
#endif
#ifdef MMU2_SERIAL_PORT
#if MMU2_SERIAL_PORT == -1
#define MMU2_SERIAL USBSerial
#elif WITHIN(MMU2_SERIAL_PORT, 0, 3)
#define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
#else
#error "MMU2_SERIAL_PORT must be from -1 to 3. Please update your configuration."
#endif
#endif
#ifdef LCD_SERIAL_PORT
#if LCD_SERIAL_PORT == -1
#define LCD_SERIAL USBSerial
#elif WITHIN(LCD_SERIAL_PORT, 0, 3)
#define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
#else
#error "LCD_SERIAL_PORT must be from -1 to 3. Please update your configuration."
#endif
#endif
//
// Interrupts
//
#define CRITICAL_SECTION_START() uint32_t primask = __get_PRIMASK(); __disable_irq()
#define CRITICAL_SECTION_END() if (!primask) __enable_irq()
#define ISRS_ENABLED() (!__get_PRIMASK())
#define ENABLE_ISRS() __enable_irq()
#define DISABLE_ISRS() __disable_irq()
//
// Utility functions
//
#if GCC_VERSION <= 50000
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-function"
#endif
int freeMemory();
#if GCC_VERSION <= 50000
#pragma GCC diagnostic pop
#endif
//
// ADC API
//
#define ADC_MEDIAN_FILTER_SIZE (23) // Higher values increase step delay (phase shift),
// (ADC_MEDIAN_FILTER_SIZE + 1) / 2 sample step delay (12 samples @ 500Hz: 24ms phase shift)
// Memory usage per ADC channel (bytes): (6 * ADC_MEDIAN_FILTER_SIZE) + 16
// 8 * ((6 * 23) + 16 ) = 1232 Bytes for 8 channels
#define ADC_LOWPASS_K_VALUE (2) // Higher values increase rise time
// Rise time sample delays for 100% signal convergence on full range step
// (1 : 13, 2 : 32, 3 : 67, 4 : 139, 5 : 281, 6 : 565, 7 : 1135, 8 : 2273)
// K = 6, 565 samples, 500Hz sample rate, 1.13s convergence on full range step
// Memory usage per ADC channel (bytes): 4 (32 Bytes for 8 channels)
#define HAL_ADC_VREF 3.3 // ADC voltage reference
#define HAL_ADC_RESOLUTION 12 // 15 bit maximum, raw temperature is stored as int16_t
#define HAL_ADC_FILTERED // Disable oversampling done in Marlin as ADC values already filtered in HAL
using FilteredADC = LPC176x::ADC<ADC_LOWPASS_K_VALUE, ADC_MEDIAN_FILTER_SIZE>;
extern uint32_t HAL_adc_reading;
[[gnu::always_inline]] inline void HAL_start_adc(const pin_t pin) {
HAL_adc_reading = FilteredADC::read(pin) >> (16 - HAL_ADC_RESOLUTION); // returns 16bit value, reduce to required bits
}
[[gnu::always_inline]] inline uint16_t HAL_read_adc() {
return HAL_adc_reading;
}
#define HAL_adc_init()
#define HAL_ANALOG_SELECT(pin) FilteredADC::enable_channel(pin)
#define HAL_START_ADC(pin) HAL_start_adc(pin)
#define HAL_READ_ADC() HAL_read_adc()
#define HAL_ADC_READY() (true)
// Test whether the pin is valid
constexpr bool VALID_PIN(const pin_t pin) {
return LPC176x::pin_is_valid(pin);
}
// Get the analog index for a digital pin
constexpr int8_t DIGITAL_PIN_TO_ANALOG_PIN(const pin_t pin) {
return (LPC176x::pin_is_valid(pin) && LPC176x::pin_has_adc(pin)) ? pin : -1;
}
// Return the index of a pin number
constexpr int16_t GET_PIN_MAP_INDEX(const pin_t pin) {
return LPC176x::pin_index(pin);
}
// Get the pin number at the given index
constexpr pin_t GET_PIN_MAP_PIN(const int16_t index) {
return LPC176x::pin_index(index);
}
// Parse a G-code word into a pin index
int16_t PARSED_PIN_INDEX(const char code, const int16_t dval);
// P0.6 thru P0.9 are for the onboard SD card
#define HAL_SENSITIVE_PINS P0_06, P0_07, P0_08, P0_09
#define HAL_IDLETASK 1
void HAL_idletask();
#define PLATFORM_M997_SUPPORT
void flashFirmware(const int16_t);
#define HAL_CAN_SET_PWM_FREQ // This HAL supports PWM Frequency adjustment
/**
* set_pwm_frequency
* Set the frequency of the timer corresponding to the provided pin
* All Hardware PWM pins run at the same frequency and all
* Software PWM pins run at the same frequency
*/
void set_pwm_frequency(const pin_t pin, int f_desired);
/**
* set_pwm_duty
* Set the PWM duty cycle of the provided pin to the provided value
* Optionally allows inverting the duty cycle [default = false]
* Optionally allows changing the maximum size of the provided value to enable finer PWM duty control [default = 255]
*/
void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size=255, const bool invert=false);
// Reset source
void HAL_clear_reset_source(void);
uint8_t HAL_get_reset_source(void);
inline void HAL_reboot() {} // reboot the board or restart the bootloader
|
