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
|
/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* This file is part of the TinyUSB stack.
*/
/* metadata:
manufacturer: NXP
*/
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
#include "chip.h"
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
#include "bsp/board_api.h"
#include "board.h"
extern void USB_IRQHandler(void);
extern void SysTick_Handler(void);
void SystemInit(void);
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
void USB_IRQHandler(void) {
tud_int_handler(0);
}
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM
//--------------------------------------------------------------------+
// Invoked by startup code
void SystemInit(void) {
/* Enable IOCON clock */
Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_IOCON);
for (uint32_t i = 0; i < (sizeof(pinmuxing) / sizeof(PINMUX_GRP_T)); i++) {
Chip_IOCON_PinMuxSet(LPC_IOCON, pinmuxing[i].port, pinmuxing[i].pin, pinmuxing[i].modefunc);
}
Chip_SetupXtalClocking();
}
void board_init(void) {
SystemCoreClockUpdate();
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock / 1000);
#elif CFG_TUSB_OS == OPT_OS_FREERTOS
// Explicitly disable systick to prevent its ISR from running before scheduler start
SysTick->CTRL &= ~1U;
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
#endif
Chip_GPIO_Init(LPC_GPIO);
// LED
Chip_GPIO_SetPinDIROutput(LPC_GPIO, LED_PORT, LED_PIN);
// Button
Chip_GPIO_SetPinDIRInput(LPC_GPIO, BUTTON_PORT, BUTTON_PIN);
// USB: Setup PLL clock, and power
Chip_USB_Init();
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
void board_led_write(bool state) {
Chip_GPIO_SetPinState(LPC_GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1 - LED_STATE_ON));
}
size_t board_get_unique_id(uint8_t id[], size_t max_len) {
if ( max_len < 16 ) return 0;
uint32_t* id32 = (uint32_t*) (uintptr_t) id;
id32[0] = Chip_IAP_ReadUID();
return 4;
}
uint32_t board_button_read(void) {
return BUTTON_STATE_ACTIVE == Chip_GPIO_GetPinState(LPC_GPIO, BUTTON_PORT, BUTTON_PIN);
}
int board_uart_read(uint8_t* buf, int len) {
(void) buf;
(void) len;
return -1;
}
int board_uart_write(void const* buf, int len) {
(void) buf;
(void) len;
return -1;
}
#if CFG_TUSB_OS == OPT_OS_NONE
volatile uint32_t system_ticks = 0;
void SysTick_Handler(void) {
system_ticks++;
}
uint32_t tusb_time_millis_api(void) {
return system_ticks;
}
#endif
|
