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+31
-12
lines changed

2 files changed

+31
-12
lines changed

‎variants/trellis_m4/variant.cpp‎

Lines changed: 16 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -40,19 +40,19 @@ const PinDescription g_APinDescription[]=
4040
{ PORTA, 23, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM1_CH7, TCC1_CH7, EXTERNAL_INT_7 }, // D12
4141

4242
// NeoPixel #10
43-
{ PORTA, 27, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG), ADC_Channel7, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_7 }, // D2
43+
{ PORTA, 27, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_ANALOG), ADC_Channel7, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_7 }, // D10
4444

45-
// 11 & 12 - dotstart clock + data
45+
// 11 & 12 - dotstar clock + data
4646
{ PORTA, 0, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_0 }, // MOSI SERCOM 1.0
4747
{ PORTA, 1, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_1 }, // SCK SERCOM 1.1
4848

4949
// 13 (LED)
50-
{ PORTA, 27, PIO_DIGITAL, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // USB Host enable
50+
{ PORTB, 02, PIO_DIGITAL, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // unconnected
5151

5252
// 14..17 - rows
53-
{ PORTA, 18, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM1_CH2, TCC1_CH2, EXTERNAL_INT_2 }, // D7
54-
{ PORTA, 19, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM1_CH3, TCC1_CH3, EXTERNAL_INT_3 }, // D9
55-
{ PORTB, 22, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 }, // D3
53+
{ PORTA, 18, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM1_CH2, TCC1_CH2, EXTERNAL_INT_2 },
54+
{ PORTA, 19, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM1_CH3, TCC1_CH3, EXTERNAL_INT_3 },
55+
{ PORTB, 22, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 },
5656
{ PORTB, 23, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_7 }, // MISO SERCOM 1.3
5757

5858
// 18 - IRQ
@@ -65,8 +65,8 @@ const PinDescription g_APinDescription[]=
6565

6666
// 21..22 I2C pins (SDA/SCL)
6767
// ----------------------
68-
{ PORTB, 8, PIO_SERCOM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH6, TCC0_CH6, EXTERNAL_INT_12 }, // SERCOM 2.0
69-
{ PORTB, 9, PIO_SERCOM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH7, TCC0_CH7, EXTERNAL_INT_13 }, // SERCOM 2.1
68+
{ PORTB, 8, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH6, TCC0_CH6, EXTERNAL_INT_12 }, // SERCOM 4.0
69+
{ PORTB, 9, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER_ALT), No_ADC_Channel, PWM0_CH7, TCC0_CH7, EXTERNAL_INT_13 }, // SERCOM 4.1
7070

7171
// ----------------------
7272
// 23 - 28 QSPI (SCK, CS, IO0, IO1, IO2, IO3)
@@ -84,9 +84,15 @@ const PinDescription g_APinDescription[]=
8484
{ PORTA, 6, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel4, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_4 },
8585
{ PORTA, 7, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel6, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 },
8686

87+
// 32 - SWCLK
88+
{ PORTA, 30, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_14 },
89+
// 33 - SWDIO
90+
{ PORTA, 31, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_15 },
91+
8792
// Unused
88-
{ PORTB, 2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel14, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // Dotstar Clock (D6)
89-
{ PORTB, 3, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel15, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 }, // Dotstar Data (D8)
93+
94+
{ PORTB, 2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel14, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 },
95+
{ PORTB, 3, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel15, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_3 },
9096
{ PORTB, 8, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel2, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_8 },
9197
{ PORTB, 9, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel3, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_9 },
9298

‎variants/trellis_m4/variant.h‎

Lines changed: 15 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -123,7 +123,20 @@ static const uint8_t MIC = PIN_MIC;
123123
/*
124124
* SPI Interfaces
125125
*/
126-
#define SPI_INTERFACES_COUNT 0
126+
#define SPI_INTERFACES_COUNT 1
127+
128+
#define PIN_SPI_MISO (11u)
129+
#define PIN_SPI_SCK (12u)
130+
#define PIN_SPI_MOSI (33u)
131+
#define PERIPH_SPI sercom1
132+
#define PAD_SPI_TX SPI_PAD_0_SCK_1
133+
#define PAD_SPI_RX SERCOM_RX_PAD_3
134+
135+
static const uint8_t SS = PIN_A2 ;
136+
static const uint8_t MOSI = PIN_SPI_MOSI ;
137+
static const uint8_t MISO = PIN_SPI_MISO ;
138+
static const uint8_t SCK = PIN_SPI_SCK ;
139+
127140

128141
/*
129142
* Wire Interfaces
@@ -132,7 +145,7 @@ static const uint8_t MIC = PIN_MIC;
132145

133146
#define PIN_WIRE_SDA (21u)
134147
#define PIN_WIRE_SCL (22u)
135-
#define PERIPH_WIRE sercom2
148+
#define PERIPH_WIRE sercom4
136149
#define WIRE_IT_HANDLER SERCOM2_Handler
137150

138151
static const uint8_t SDA = PIN_WIRE_SDA;

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