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open-story-teller/firmware/cpu/atmel-samd21/arduino_platform.h

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#ifndef ARDUINO_PLATFORM_H
#define ARDUINO_PLATFORM_H
#define SERCOM_FREQ_REF 48000000
#define SERCOM_NVIC_PRIORITY ((1<<__NVIC_PRIO_BITS) - 1)
typedef enum
{
UART_EXT_CLOCK = 0,
UART_INT_CLOCK = 0x1u
} SercomUartMode;
typedef enum
{
SPI_SLAVE_OPERATION = 0x2u,
SPI_MASTER_OPERATION = 0x3u
} SercomSpiMode;
typedef enum
{
I2C_SLAVE_OPERATION = 0x4u,
I2C_MASTER_OPERATION = 0x5u
} SercomI2CMode;
typedef enum
{
SERCOM_EVEN_PARITY = 0,
SERCOM_ODD_PARITY,
SERCOM_NO_PARITY
} SercomParityMode;
typedef enum
{
SERCOM_STOP_BIT_1 = 0,
SERCOM_STOP_BITS_2
} SercomNumberStopBit;
typedef enum
{
MSB_FIRST = 0,
LSB_FIRST
} SercomDataOrder;
typedef enum
{
UART_CHAR_SIZE_8_BITS = 0,
UART_CHAR_SIZE_9_BITS,
UART_CHAR_SIZE_5_BITS = 0x5u,
UART_CHAR_SIZE_6_BITS,
UART_CHAR_SIZE_7_BITS
} SercomUartCharSize;
typedef enum
{
SERCOM_RX_PAD_0 = 0,
SERCOM_RX_PAD_1,
SERCOM_RX_PAD_2,
SERCOM_RX_PAD_3
} SercomRXPad;
typedef enum
{
UART_TX_PAD_0 = 0x0ul, // Only for UART
UART_TX_PAD_2 = 0x1ul, // Only for UART
UART_TX_RTS_CTS_PAD_0_2_3 = 0x2ul, // Only for UART with TX on PAD0, RTS on PAD2 and CTS on PAD3
} SercomUartTXPad;
typedef enum
{
SAMPLE_RATE_x16 = 0x1, //Fractional
SAMPLE_RATE_x8 = 0x3, //Fractional
} SercomUartSampleRate;
typedef enum
{
SERCOM_SPI_MODE_0 = 0, // CPOL : 0 | CPHA : 0
SERCOM_SPI_MODE_1, // CPOL : 0 | CPHA : 1
SERCOM_SPI_MODE_2, // CPOL : 1 | CPHA : 0
SERCOM_SPI_MODE_3 // CPOL : 1 | CPHA : 1
} SercomSpiClockMode;
typedef enum
{
SPI_PAD_0_SCK_1 = 0,
SPI_PAD_2_SCK_3,
SPI_PAD_3_SCK_1,
SPI_PAD_0_SCK_3
} SercomSpiTXPad;
typedef enum
{
SPI_CHAR_SIZE_8_BITS = 0x0ul,
SPI_CHAR_SIZE_9_BITS
} SercomSpiCharSize;
typedef enum
{
WIRE_UNKNOWN_STATE = 0x0ul,
WIRE_IDLE_STATE,
WIRE_OWNER_STATE,
WIRE_BUSY_STATE
} SercomWireBusState;
typedef enum
{
WIRE_WRITE_FLAG = 0x0ul,
WIRE_READ_FLAG
} SercomWireReadWriteFlag;
typedef enum
{
WIRE_MASTER_ACT_NO_ACTION = 0,
WIRE_MASTER_ACT_REPEAT_START,
WIRE_MASTER_ACT_READ,
WIRE_MASTER_ACT_STOP
} SercomMasterCommandWire;
typedef enum
{
WIRE_MASTER_ACK_ACTION = 0,
WIRE_MASTER_NACK_ACTION
} SercomMasterAckActionWire;
/* Definitions and types for pins */
typedef enum _EAnalogChannel
{
No_ADC_Channel=-1,
ADC_Channel0=0,
ADC_Channel1=1,
ADC_Channel2=2,
ADC_Channel3=3,
ADC_Channel4=4,
ADC_Channel5=5,
ADC_Channel6=6,
ADC_Channel7=7,
#if defined __SAMD21J18A__
ADC_Channel8=8,
ADC_Channel9=9,
#endif // __SAMD21J18A__
ADC_Channel10=10,
ADC_Channel11=11,
#if defined __SAMD21J18A__
ADC_Channel12=12,
ADC_Channel13=13,
ADC_Channel14=14,
ADC_Channel15=15,
#endif // __SAMD21J18A__
ADC_Channel16=16,
ADC_Channel17=17,
ADC_Channel18=18,
ADC_Channel19=19,
DAC_Channel0,
} EAnalogChannel ;
// Definitions for TC channels
typedef enum _ETCChannel
{
NOT_ON_TIMER=-1,
TCC0_CH0 = (0<<8)|(0),
TCC0_CH1 = (0<<8)|(1),
TCC0_CH2 = (0<<8)|(2),
TCC0_CH3 = (0<<8)|(3),
TCC0_CH4 = (0<<8)|(0), // Channel 4 is 0!
TCC0_CH5 = (0<<8)|(1), // Channel 5 is 1!
TCC0_CH6 = (0<<8)|(2), // Channel 6 is 2!
TCC0_CH7 = (0<<8)|(3), // Channel 7 is 3!
TCC1_CH0 = (1<<8)|(0),
TCC1_CH1 = (1<<8)|(1),
TCC1_CH2 = (1<<8)|(0), // Channel 2 is 0!
TCC1_CH3 = (1<<8)|(1), // Channel 3 is 1!
TCC2_CH0 = (2<<8)|(0),
TCC2_CH1 = (2<<8)|(1),
TCC2_CH2 = (2<<8)|(0), // Channel 2 is 0!
TCC2_CH3 = (2<<8)|(1), // Channel 3 is 1!
TC3_CH0 = (3<<8)|(0),
TC3_CH1 = (3<<8)|(1),
TC4_CH0 = (4<<8)|(0),
TC4_CH1 = (4<<8)|(1),
TC5_CH0 = (5<<8)|(0),
TC5_CH1 = (5<<8)|(1),
#if defined __SAMD21J18A__
TC6_CH0 = (6<<8)|(0),
TC6_CH1 = (6<<8)|(1),
TC7_CH0 = (7<<8)|(0),
TC7_CH1 = (7<<8)|(1),
#endif // __SAMD21J18A__
} ETCChannel ;
extern const void* g_apTCInstances[TCC_INST_NUM+TC_INST_NUM] ;
#define GetTCNumber( x ) ( (x) >> 8 )
#define GetTCChannelNumber( x ) ( (x) & 0xff )
#define GetTC( x ) ( g_apTCInstances[(x) >> 8] )
// Definitions for PWM channels
typedef enum _EPWMChannel
{
NOT_ON_PWM=-1,
PWM0_CH0=TCC0_CH0,
PWM0_CH1=TCC0_CH1,
PWM0_CH2=TCC0_CH2,
PWM0_CH3=TCC0_CH3,
PWM0_CH4=TCC0_CH4,
PWM0_CH5=TCC0_CH5,
PWM0_CH6=TCC0_CH6,
PWM0_CH7=TCC0_CH7,
PWM1_CH0=TCC1_CH0,
PWM1_CH1=TCC1_CH1,
PWM1_CH2=TCC1_CH2,
PWM1_CH3=TCC1_CH3,
PWM2_CH0=TCC2_CH0,
PWM2_CH1=TCC2_CH1,
PWM2_CH2=TCC2_CH2,
PWM2_CH3=TCC2_CH3,
PWM3_CH0=TC3_CH0,
PWM3_CH1=TC3_CH1,
PWM4_CH0=TC4_CH0,
PWM4_CH1=TC4_CH1,
PWM5_CH0=TC5_CH0,
PWM5_CH1=TC5_CH1,
#if defined __SAMD21J18A__
PWM6_CH0=TC6_CH0,
PWM6_CH1=TC6_CH1,
PWM7_CH0=TC7_CH0,
PWM7_CH1=TC7_CH1,
#endif // __SAMD21J18A__
} EPWMChannel ;
typedef enum _EPortType
{
NOT_A_PORT=-1,
PORTA=0,
PORTB=1,
PORTC=2,
} EPortType ;
typedef enum
{
EXTERNAL_INT_0 = 0,
EXTERNAL_INT_1,
EXTERNAL_INT_2,
EXTERNAL_INT_3,
EXTERNAL_INT_4,
EXTERNAL_INT_5,
EXTERNAL_INT_6,
EXTERNAL_INT_7,
EXTERNAL_INT_8,
EXTERNAL_INT_9,
EXTERNAL_INT_10,
EXTERNAL_INT_11,
EXTERNAL_INT_12,
EXTERNAL_INT_13,
EXTERNAL_INT_14,
EXTERNAL_INT_15,
EXTERNAL_INT_NMI,
EXTERNAL_NUM_INTERRUPTS,
NOT_AN_INTERRUPT = -1,
EXTERNAL_INT_NONE = NOT_AN_INTERRUPT,
} EExt_Interrupts ;
//A B C D E F G H
//EIC REF ADC AC PTC DAC SERCOM SERCOM_ALT TC/TCC TCC COM AC/GCLK
typedef enum _EPioType
{
PIO_NOT_A_PIN=-1, /* Not under control of a peripheral. */
PIO_EXTINT=0, /* The pin is controlled by the associated signal of peripheral A. */
PIO_ANALOG, /* The pin is controlled by the associated signal of peripheral B. */
PIO_SERCOM, /* The pin is controlled by the associated signal of peripheral C. */
PIO_SERCOM_ALT, /* The pin is controlled by the associated signal of peripheral D. */
PIO_TIMER, /* The pin is controlled by the associated signal of peripheral E. */
PIO_TIMER_ALT, /* The pin is controlled by the associated signal of peripheral F. */
PIO_COM, /* The pin is controlled by the associated signal of peripheral G. */
PIO_AC_CLK, /* The pin is controlled by the associated signal of peripheral H. */
PIO_DIGITAL, /* The pin is controlled by PORT. */
PIO_INPUT, /* The pin is controlled by PORT and is an input. */
PIO_INPUT_PULLUP, /* The pin is controlled by PORT and is an input with internal pull-up resistor enabled. */
PIO_OUTPUT, /* The pin is controlled by PORT and is an output. */
PIO_PWM=PIO_TIMER,
PIO_PWM_ALT=PIO_TIMER_ALT,
} EPioType ;
typedef enum {
INPUT = 0x0,
OUTPUT = 0x1,
INPUT_PULLUP = 0x2,
INPUT_PULLDOWN = 0x3,
OUTPUT_OPENDRAIN = 0x4,
} PinMode;
/**
* Pin Attributes to be OR-ed
*/
#define PIN_ATTR_NONE (0UL<<0)
#define PIN_ATTR_COMBO (1UL<<0)
#define PIN_ATTR_ANALOG (1UL<<1)
#define PIN_ATTR_DIGITAL (1UL<<2)
#define PIN_ATTR_PWM (1UL<<3)
#define PIN_ATTR_TIMER (1UL<<4)
#define PIN_ATTR_TIMER_ALT (1UL<<5)
#define PIN_ATTR_EXTINT (1UL<<6)
/* Types used for the table below */
typedef struct _PinDescription
{
EPortType ulPort ;
uint32_t ulPin ;
EPioType ulPinType ;
uint32_t ulPinAttribute ;
EAnalogChannel ulADCChannelNumber ; /* ADC Channel number in the SAM device */
EPWMChannel ulPWMChannel ;
ETCChannel ulTCChannel ;
EExt_Interrupts ulExtInt ;
} PinDescription ;
/* Pins table to be instantiated into variant.cpp */
extern const PinDescription g_APinDescription[] ;
/* Generic Clock Multiplexer IDs */
#define GCM_DFLL48M_REF (0x00U)
#define GCM_FDPLL96M_INPUT (0x01U)
#define GCM_FDPLL96M_32K (0x02U)
#define GCM_WDT (0x03U)
#define GCM_RTC (0x04U)
#define GCM_EIC (0x05U)
#define GCM_USB (0x06U)
#define GCM_EVSYS_CHANNEL_0 (0x07U)
#define GCM_EVSYS_CHANNEL_1 (0x08U)
#define GCM_EVSYS_CHANNEL_2 (0x09U)
#define GCM_EVSYS_CHANNEL_3 (0x0AU)
#define GCM_EVSYS_CHANNEL_4 (0x0BU)
#define GCM_EVSYS_CHANNEL_5 (0x0CU)
#define GCM_EVSYS_CHANNEL_6 (0x0DU)
#define GCM_EVSYS_CHANNEL_7 (0x0EU)
#define GCM_EVSYS_CHANNEL_8 (0x0FU)
#define GCM_EVSYS_CHANNEL_9 (0x10U)
#define GCM_EVSYS_CHANNEL_10 (0x11U)
#define GCM_EVSYS_CHANNEL_11 (0x12U)
#define GCM_SERCOMx_SLOW (0x13U)
#define GCM_SERCOM0_CORE (0x14U)
#define GCM_SERCOM1_CORE (0x15U)
#define GCM_SERCOM2_CORE (0x16U)
#define GCM_SERCOM3_CORE (0x17U)
#define GCM_SERCOM4_CORE (0x18U)
#define GCM_SERCOM5_CORE (0x19U)
#define GCM_TCC0_TCC1 (0x1AU)
#define GCM_TCC2_TC3 (0x1BU)
#define GCM_TC4_TC5 (0x1CU)
#define GCM_TC6_TC7 (0x1DU)
#define GCM_ADC (0x1EU)
#define GCM_AC_DIG (0x1FU)
#define GCM_AC_ANA (0x20U)
#define GCM_DAC (0x21U)
#define GCM_PTC (0x22U)
#define GCM_I2S_0 (0x23U)
#define GCM_I2S_1 (0x24U)
#endif // ARDUINO_PLATFORM_H
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