blob: f0ecf068e3b882081f5b96bfe2459bd977e66bd6 (
plain)
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
|
//go:build sam && atsamd21 && xiao
package machine
// used to reset into bootloader
const resetMagicValue = 0xf01669ef
// GPIO Pins
const (
D0 = PA02 // can be used for PWM or DAC
D1 = PA04 // PWM available
D2 = PA10 // PWM available
D3 = PA11 // PWM available
D4 = PA08 // can be used for PWM or I2C SDA
D5 = PA09 // can be used for PWM or I2C SCL
D6 = PB08 // can be used for PWM or UART1 TX
D7 = PB09 // can be used for PWM or UART1 RX
D8 = PA07 // can be used for PWM or SPI SCK
D9 = PA05 // can be used for PWM or SPI SDI
D10 = PA06 // can be used for PWM or SPI SDO
)
// Analog pins
const (
A0 = PA02 // ADC/AIN[0]
A1 = PA04 // ADC/AIN[4]
A2 = PA10 // ADC/AIN[18]
A3 = PA11 // ADC/AIN[19]
A4 = PA08 // ADC/AIN[16]
A5 = PA09 // ADC/AIN[17]
A6 = PB08 // ADC/AIN[2]
A7 = PB09 // ADC/AIN[3]
A8 = PA07 // ADC/AIN[7]
A9 = PA05 // ADC/AIN[6]
A10 = PA06 // ADC/AIN[5]
)
const (
LED = PA17
LED_RXL = PA18
LED_TXL = PA19
LED2 = LED_RXL
LED3 = LED_TXL
)
// USBCDC pins
const (
USBCDC_DM_PIN = PA24
USBCDC_DP_PIN = PA25
)
// UART1 pins
const (
UART_TX_PIN = D6
UART_RX_PIN = D7
)
// UART1 on the Xiao
var UART1 = &sercomUSART4
// I2C pins
const (
SDA_PIN = PA08 // SDA: SERCOM2/PAD[0]
SCL_PIN = PA09 // SCL: SERCOM2/PAD[1]
)
// I2C on the Xiao
var (
I2C0 = sercomI2CM2
)
// SPI pins
const (
SPI0_SCK_PIN = PA07 // SCK: SERCOM0/PAD[3]
SPI0_SDO_PIN = PA06 // SDO: SERCOM0/PAD[2]
SPI0_SDI_PIN = PA05 // SDI: SERCOM0/PAD[1]
)
// SPI on the Xiao
var SPI0 = sercomSPIM0
// I2S pins
const (
I2S_SCK_PIN = PA10
I2S_SD_PIN = PA08
I2S_WS_PIN = NoPin // TODO: figure out what this is on Xiao
)
// USB CDC identifiers
const (
usb_STRING_PRODUCT = "Seeed XIAO M0"
usb_STRING_MANUFACTURER = "Seeed"
)
var (
usb_VID uint16 = 0x2886
usb_PID uint16 = 0x802F
)
var (
DefaultUART = UART1
)
|
