#define SAMD21_DMAC_CHCTRLB_EVIE 3
#define SAMD21_DMAC_CHCTRLB_EVOE 4
#define SAMD21_DMAC_CHCTRLB_LVL 5
+#define SAMD21_DMAC_CHCTRLB_LVL_LVL0 0UL
+#define SAMD21_DMAC_CHCTRLB_LVL_LVL1 1UL
+#define SAMD21_DMAC_CHCTRLB_LVL_LVL2 2UL
+#define SAMD21_DMAC_CHCTRLB_LVL_LVL3 3UL
#define SAMD21_DMAC_CHCTRLB_TRIGSRC 8
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_DISABLE 0x00
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_SERCOM_RX(n) (0x01 + (n) * 2)
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_SERCOM_TX(n) (0x02 + (n) * 2)
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC0_OVF 0x0d
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC0_MC0 0x0e
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC0_MC1 0x0f
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC0_MC2 0x10
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC0_MC3 0x11
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC1_OVF 0x12
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC1_MC0 0x13
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC1_MC1 0x14
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC2_OVF 0x15
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC2_MC0 0x16
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC2_MC1 0x17
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC3_OVF 0x18
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC3_MC0 0x19
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC3_MC1 0x1a
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC4_OVF 0x1b
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC4_MC0 0x1c
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC4_MC1 0x1d
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC5_OVF 0x1e
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC5_MC0 0x1f
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC5_MC1 0x20
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC6_OVF 0x21
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC6_MC0 0x22
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC6_MC1 0x23
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC7_OVF 0x24
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC7_MC0 0x25
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC7_MC1 0x26
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_ADC_RESRDY 0x27
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_DAC_EMPTY 0x28
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_I2S_RX_0 0x29
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_I2S_RX_1 0x2a
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_I2S_TX_0 0x2b
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_I2S_TX_1 0x2c
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC3_OVF 0x2d
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC3_MC0 0x2e
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC3_MC1 0x2f
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC3_MC2 0x30
-#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC3_MC3 0x31
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_DISABLE 0x00UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_SERCOM_RX(n) (0x01UL + (n) * 2UL)
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_SERCOM_TX(n) (0x02UL + (n) * 2UL)
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC0_OVF 0x0dUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC0_MC0 0x0eUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC0_MC1 0x0fUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC0_MC2 0x10UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC0_MC3 0x11UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC1_OVF 0x12UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC1_MC0 0x13UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC1_MC1 0x14UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC2_OVF 0x15UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC2_MC0 0x16UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC2_MC1 0x17UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC3_OVF 0x18UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC3_MC0 0x19UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC3_MC1 0x1aUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC4_OVF 0x1bUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC4_MC0 0x1cUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC4_MC1 0x1dUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC5_OVF 0x1eUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC5_MC0 0x1fUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC5_MC1 0x20UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC6_OVF 0x21UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC6_MC0 0x22UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC6_MC1 0x23UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC7_OVF 0x24UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC7_MC0 0x25UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TC7_MC1 0x26UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_ADC_RESRDY 0x27UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_DAC_EMPTY 0x28UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_I2S_RX_0 0x29UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_I2S_RX_1 0x2aUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_I2S_TX_0 0x2bUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_I2S_TX_1 0x2cUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC3_OVF 0x2dUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC3_MC0 0x2eUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC3_MC1 0x2fUL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC3_MC2 0x30UL
+#define SAMD21_DMAC_CHCTRLB_TRIGSRC_TCC3_MC3 0x31UL
#define SAMD21_DMAC_CHCTRLB_TRIGACT 22
-#define SAMD21_DMAC_CHCTRLB_TRIGACT_BLOCK 0
-#define SAMD21_DMAC_CHCTRLB_TRIGACT_BEAT 2
-#define SAMD21_DMAC_CHCTRLB_TRIGACT_TRANSACTION 3
+#define SAMD21_DMAC_CHCTRLB_TRIGACT_BLOCK 0UL
+#define SAMD21_DMAC_CHCTRLB_TRIGACT_BEAT 2UL
+#define SAMD21_DMAC_CHCTRLB_TRIGACT_TRANSACTION 3UL
#define SAMD21_DMAC_CHCTRLB_CMD 24
-#define SAMD21_DMAC_CHCTRLB_CMD_NOACT 0
-#define SAMD21_DMAC_CHCTRLB_CMD_SUSPEND 1
-#define SAMD21_DMAC_CHCTRLB_CMD_RESUME 2
+#define SAMD21_DMAC_CHCTRLB_CMD_NOACT 0UL
+#define SAMD21_DMAC_CHCTRLB_CMD_SUSPEND 1UL
+#define SAMD21_DMAC_CHCTRLB_CMD_RESUME 2UL
#define SAMD21_DMAC_CHINTFLAG_TERR 0
#define SAMD21_DMAC_CHINTFLAG_TCMPL 1
#define SAMD21_DMAC_DESC_BTCTRL_VALID 0
#define SAMD21_DMAC_DESC_BTCTRL_EVOSEL 1
+#define SAMD21_DMAC_DESC_BTCTRL_EVOSEL_DISABLE 0UL
+#define SAMD21_DMAC_DESC_BTCTRL_EVOSEL_BLOCK 1UL
+#define SAMD21_DMAC_DESC_BTCTRL_EVOSEL_BEAT 3UL
#define SAMD21_DMAC_DESC_BTCTRL_BLOCKACT 3
+#define SAMD21_DMAC_DESC_BTCTRL_BLOCKACT_NOACT 0UL
+#define SAMD21_DMAC_DESC_BTCTRL_BLOCKACT_INT 1UL
+#define SAMD21_DMAC_DESC_BTCTRL_BLOCKACT_SUSPEND 2UL
+#define SAMD21_DMAC_DESC_BTCTRL_BLOCKACT_BOTH 3UL
#define SAMD21_DMAC_DESC_BTCTRL_BEATSIZE 8
-#define SAMD21_DMAC_DESC_BTCTRL_BEATSIZE_BYTE 0
-#define SAMD21_DMAC_DESC_BTCTRL_BEATSIZE_HWORD 1
-#define SAMD21_DMAC_DESC_BTCTRL_BEATSIZE_WORD 2
+#define SAMD21_DMAC_DESC_BTCTRL_BEATSIZE_BYTE 0UL
+#define SAMD21_DMAC_DESC_BTCTRL_BEATSIZE_HWORD 1UL
+#define SAMD21_DMAC_DESC_BTCTRL_BEATSIZE_WORD 2UL
#define SAMD21_DMAC_DESC_BTCTRL_SRCINC 10
#define SAMD21_DMAC_DESC_BTCTRL_DSTINC 11
#define SAMD21_DMAC_DESC_BTCTRL_STEPSEL 12
+#define SAMD21_DMAC_DESC_BTCTRL_STEPSEL_DST 0UL
+#define SAMD21_DMAC_DESC_BTCTRL_STEPSEL_SRC 1UL
#define SAMD21_DMAC_DESC_BTCTRL_STEPSIZE 13
+#define SAMD21_DMAC_DESC_BTCTRL_STEPSIZE_X1 0UL
+#define SAMD21_DMAC_DESC_BTCTRL_STEPSIZE_X2 1UL
+#define SAMD21_DMAC_DESC_BTCTRL_STEPSIZE_X4 2UL
+#define SAMD21_DMAC_DESC_BTCTRL_STEPSIZE_X8 3UL
+#define SAMD21_DMAC_DESC_BTCTRL_STEPSIZE_X16 4UL
+#define SAMD21_DMAC_DESC_BTCTRL_STEPSIZE_X32 5UL
+#define SAMD21_DMAC_DESC_BTCTRL_STEPSIZE_X64 6UL
+#define SAMD21_DMAC_DESC_BTCTRL_STEPSIZE_X128 7UL
+
+struct samd21_eic {
+ vuint8_t ctrl;
+ vuint8_t status;
+ vuint8_t nmictrl;
+ vuint8_t nmiflag;
+ vuint32_t evctrl;
+ vuint32_t intenclr;
+ vuint32_t intenset;
+
+ vuint32_t intflag;
+ vuint32_t wakeup;
+ vuint32_t config[2];
+};
+
+extern struct samd21_eic samd21_eic;
+
+#define samd21_eic (*(struct samd21_eic *) 0x40001800)
+
+#define SAMD21_NUM_EIC 16
+
+#define SAMD21_EIC_CTRL_ENABLE 1
+#define SAMD21_EIC_CTRL_SWRST 0
+
+#define SAMD21_EIC_STATUS_SYNCBUSY 7
+
+#define SAMD21_EIC_NMICTRL_NMIFILTEN 3
+#define SAMD21_EIC_NMICTRL_NMISENSE 0
+
+#define SAMD21_EIC_NMIFLAG_NMI 0
+
+#define SAMD21_EIC_EVCTRL_EXTINTEO(n) (n)
+
+#define SAMD21_EIC_INTENCLR_EXTINT(n) (n)
+
+#define SAMD21_EIC_INTENSET_EXTINT(n) (n)
+
+#define SAMD21_EIC_INTFLAG_EXTINT(n) (n)
+#define SAMD21_EIC_WAKEUP_WAKEUPEN(n) (n)
+#define SAMD21_EIC_CONFIG_N(n) ((n) >> 3)
+#define SAMD21_EIC_CONFIG_SENSE(n) (((n) & 7) << 2)
+#define SAMD21_EIC_CONFIG_FILTEN(n) (SAMD21_EIC_CONFIG_SENSE(n) + 3)
+#define SAMD21_EIC_CONFIG_SENSE_NONE 0
+#define SAMD21_EIC_CONFIG_SENSE_RISE 1
+#define SAMD21_EIC_CONFIG_SENSE_FALL 2
+#define SAMD21_EIC_CONFIG_SENSE_BOTH 3
+#define SAMD21_EIC_CONFIG_SENSE_HIGH 4
+#define SAMD21_EIC_CONFIG_SENSE_LOW 5
+#define SAMD21_EIC_CONFIG_SENSE_MASK 7UL
struct samd21_nvmctrl {
vuint32_t ctrla;
#define SAMD21_NVMCTRL_PARAM_RWWEEP 20
#define SAMD21_NVMCTRL_PARAM_RWWEEP_MASK 0xfff
+static inline uint32_t
+samd21_nvmctrl_page_shift(void)
+{
+ return(3 + ((samd21_nvmctrl.param >> SAMD21_NVMCTRL_PARAM_PSZ) &
+ SAMD21_NVMCTRL_PARAM_PSZ_MASK));
+}
+
static inline uint32_t
samd21_nvmctrl_page_size(void)
{
- return 1 << (3 + ((samd21_nvmctrl.param >> SAMD21_NVMCTRL_PARAM_PSZ) &
- SAMD21_NVMCTRL_PARAM_PSZ_MASK));
+ return 1 << samd21_nvmctrl_page_shift();
}
uint32_t
(1 << SAMD21_PORT_PINCFG_PMUXEN));
}
+static inline void
+samd21_port_pmux_clr(struct samd21_port *port, uint8_t pin)
+{
+ samd21_port_pincfg_set(port, pin,
+ (0 << SAMD21_PORT_PINCFG_PMUXEN),
+ (1 << SAMD21_PORT_PINCFG_PMUXEN));
+}
+
struct samd21_adc {
vuint8_t ctrla;
vuint8_t refctrl;
#define SAMD21_ADC_SWTRIG_START 1
#define SAMD21_ADC_INPUTCTRL_MUXPOS 0
+# define SAMD21_ADC_INPUTCTRL_MUXPOS_TEMP 0x18
# define SAMD21_ADC_INPUTCTRL_MUXPOS_BANDGAP 0x19
# define SAMD21_ADC_INPUTCTRL_MUXPOS_SCALEDCOREVCC 0x1a
# define SAMD21_ADC_INPUTCTRL_MUXPOS_SCALEDIOVCC 0x1b
return (samd21_usb.ep[ep].epstatus >> SAMD21_USB_EP_EPSTATUS_CURBK) & 1;
}
+/* evsys */
+
+struct samd21_evsys {
+ vuint8_t ctrl;
+ vuint8_t reserved_01;
+ vuint16_t reserved_02;
+ vuint32_t channel;
+ vuint16_t user;
+ vuint16_t reserved_0a;
+ vuint32_t chstatus;
+
+ vuint32_t intenclr;
+ vuint32_t intenset;
+ vuint32_t intflag;
+};
+
+extern struct samd21_evsys samd21_evsys;
+
+#define SAMD21_NUM_EVSYS 16
+
+#define samd21_evsys (*(struct samd21_evsys *) 0x42000400)
+
+#define SAMD21_EVSYS_CONTROL_SWRST 0
+#define SAMD21_EVSYS_CONTROL_GCLKREQ 4
+
+#define SAMD21_EVSYS_CHANNEL_CHANNEL 0
+
+#define SAMD21_EVSYS_CHANNEL_SWEVT 8
+
+#define SAMD21_EVSYS_CHANNEL_EVGEN 16
+#define SAMD21_EVSYS_CHANNEL_EVGEN_NONE 0x00
+#define SAMD21_EVSYS_CHANNEL_EVGEN_RTC_CMP(i) (0x01 + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_OVF 0x03
+#define SAMD21_EVSYS_CHANNEL_EVGEN_PER(i) (0x04 + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_EXTINT(i) (0x0c + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_DMAC_CH(i) (0x1e + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC0_OVF 0x22
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC0_TRG 0x23
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC0_CNT 0x29
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC0_MCX(i) (0x25 + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC1_OVF 0x29
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC1_TRG 0x2a
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC1_CNT 0x2b
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC1_MCX(i) (0x2c + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC2_OVF 0x2e
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC2_TRG 0x2f
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC2_CNT 0x30
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC2_MCX(i) (0x31 + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TC3_OVF 0x33
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TC3_MC(i) (0x34 + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TC4_OVF 0x36
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TC4_MC(i) (0x37 + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TC5_OVF 0x39
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TC5_MC(i) (0x3a + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TC6_OVF 0x3c
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TC6_MC(i) (0x3d + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TC7_OVF 0x3f
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TC7_MC(i) (0x40 + (i))
+#define SAMD21_EVSYS_CHANNEL_EVGEN_ADC_RESRDY 0x42
+#define SAMD21_EVSYS_CHANNEL_EVGEN_ADC_WINMON 0x43
+#define SAMD21_EVSYS_CHANNEL_EVGEN_AC_COMP0 0x44
+#define SAMD21_EVSYS_CHANNEL_EVGEN_AC_COMP1 0x45
+#define SAMD21_EVSYS_CHANNEL_EVGEN_AC_WIN0 0x46
+#define SAMD21_EVSYS_CHANNEL_EVGEN_DAC_EMPTY 0x47
+#define SAMD21_EVSYS_CHANNEL_EVGEN_PTC_EOC 0x48
+#define SAMD21_EVSYS_CHANNEL_EVGEN_PTC_WCOMP 0x49
+#define SAMD21_EVSYS_CHANNEL_EVGEN_AC_COMP2 0x4a
+#define SAMD21_EVSYS_CHANNEL_EVGEN_AC_COMP3 0x4b
+#define SAMD21_EVSYS_CHANNEL_EVGEN_AC_WIN1 0x4c
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC3_OVF 0x4d
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC3_TRG 0x4e
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC3_CNT 0x4f
+#define SAMD21_EVSYS_CHANNEL_EVGEN_TCC3_MCX(i) (0x50 + (i))
+
+#define SAMD21_EVSYS_CHANNEL_PATH 24
+#define SAMD21_EVSYS_CHANNEL_PATH_SYNCHRONOUS 0
+#define SAMD21_EVSYS_CHANNEL_PATH_RESYNCHRONIZED 1
+#define SAMD21_EVSYS_CHANNEL_PATH_ASYNCHRONOUS 2
+
+#define SAMD21_EVSYS_CHANNEL_EDGESEL 26
+#define SAMD21_EVSYS_CHANNEL_EDGESEL_NO_EVT_OUTPUT 0
+#define SAMD21_EVSYS_CHANNEL_EDGESEL_RISING_EDGE 1
+#define SAMD21_EVSYS_CHANNEL_EDGESEL_FALLING_EDGE 2
+#define SAMD21_EVSYS_CHANNEL_EDGESEL_BOTH_EDGES 3
+
+#define SAMD21_EVSYS_USER_USER 0
+#define SAMD21_EVSYS_USER_USER_DMAC_CH(n) (0x00 + (n))
+#define SAMD21_EVSYS_USER_USER_TCC0_EV(n) (0x04 + (n))
+#define SAMD21_EVSYS_USER_USER_TCC0_MC(n) (0x06 + (n))
+#define SAMD21_EVSYS_USER_USER_TCC1_EV(n) (0x0a + (n))
+#define SAMD21_EVSYS_USER_USER_TCC1_MC(n) (0x0c + (n))
+#define SAMD21_EVSYS_USER_USER_TCC2_EV(n) (0x0e + (n))
+#define SAMD21_EVSYS_USER_USER_TCC2_MC(n) (0x10 + (n))
+#define SAMD21_EVSYS_USER_USER_TC(n) (0x12 + (n))
+#define SAMD21_EVSYS_USER_USER_ADC_START (0x17)
+#define SAMD21_EVSYS_USER_USER_ADC_SYNC 0x18
+#define SAMD21_EVSYS_USER_USER_AC_COMP0 0x19
+#define SAMD21_EVSYS_USER_USER_AC_COMP1 0x1a
+#define SAMD21_EVSYS_USER_USER_DAC_START 0x1b
+#define SAMD21_EVSYS_USER_USER_PTC_STCONV 0x1c
+#define SAMD21_EVSYS_USER_USER_AC_COMP2 0x1d
+#define SAMD21_EVSYS_USER_USER_AC_COMP3 0x1e
+#define SAMD21_EVSYS_USER_USER_TCC3_EV(n) (0x1f + (n))
+#define SAMD21_EVSYS_USER_USER_TCC3_MC(n) (0x21 + (n))
+
+#define SAMD21_EVSYS_USER_CHANNEL 8
+#define SAMD21_EVSYS_USER_CHANNEL_NONE 0
+#define SAMD21_EVSYS_USER_CHANNEL_NUM(n) ((n) + 1)
+
+
+#define SAMD21_EVSYS_CHSTATUS_USRRDY(n) (((n) & 7) | (((n) & 8) << 1))
+#define SAMD21_EVSYS_CHSTATUS_CHBUSY(n) (((n) & 7) | (((n) & 8) << 1) | 8)
+
/* sercom */
struct samd21_sercom {
extern struct samd21_sercom samd21_sercom4;
extern struct samd21_sercom samd21_sercom5;
+#define SAMD21_NUM_SERCOM 6
+
#define samd21_sercom0 (*(struct samd21_sercom *) 0x42000800)
#define samd21_sercom1 (*(struct samd21_sercom *) 0x42000c00)
#define samd21_sercom2 (*(struct samd21_sercom *) 0x42001000)
#define SAMD21_SERCOM_CTRLA_ENABLE 1
#define SAMD21_SERCOM_CTRLA_MODE 2
# define SAMD21_SERCOM_CTRLA_MODE_USART 1
-# define SAMD21_SERCOM_CTRLA_MODE_I2C_LEADER 5
+# define SAMD21_SERCOM_CTRLA_MODE_SPI_CLIENT 2
+# define SAMD21_SERCOM_CTRLA_MODE_SPI_HOST 3
+# define SAMD21_SERCOM_CTRLA_MODE_I2C_CLIENT 4
+# define SAMD21_SERCOM_CTRLA_MODE_I2C_HOST 5
#define SAMD21_SERCOM_CTRLA_RUNSTDBY 7
#define SAMD21_SERCOM_CTRLA_INACTOUT_205US 3
#define SAMD21_SERCOM_CTRLA_LOWTOUT 30
+/* SPI controller mode */
+#define SAMD21_SERCOM_CTRLA_DOPO 16
+#define SAMD21_SERCOM_CTRLA_DOPO_MOSI_0_SCLK_1 0UL
+#define SAMD21_SERCOM_CTRLA_DOPO_MOSI_2_SCLK_3 1UL
+#define SAMD21_SERCOM_CTRLA_DOPO_MOSI_3_SCLK_1 2UL
+#define SAMD21_SERCOM_CTRLA_DOPO_MOSI_0_SCLK_3 3UL
+#define SAMD21_SERCOM_CTRLA_DOPO_MASK 3UL
+
+#define SAMD21_SERCOM_CTRLA_DIPO 20
+#define SAMD21_SERCOM_CTRLA_DIPO_MISO_0 0UL
+#define SAMD21_SERCOM_CTRLA_DIPO_MISO_1 1UL
+#define SAMD21_SERCOM_CTRLA_DIPO_MISO_2 2UL
+#define SAMD21_SERCOM_CTRLA_DIPO_MISO_3 3UL
+#define SAMD21_SERCOM_CTRLA_DIPO_MASK 3UL
+
+#define SAMD21_SERCOM_CTRLA_FORM 24
+#define SAMD21_SERCOM_CTRLA_CPHA 28
+#define SAMD21_SERCOM_CTRLA_CPOL 29
+#define SAMD21_SERCOM_CTRLA_DORD 30
+#define SAMD21_SERCOM_CTRLA_DORD_LSB 1
+#define SAMD21_SERCOM_CTRLA_DORD_MSB 0
+
/* USART mode */
#define SAMD21_SERCOM_CTRLB_CHSIZE 0
#define SAMD21_SERCOM_CTRLB_SBMODE 6
#define SAMD21_SERCOM_CTRLB_ACKACT_NACK 1
#define SAMD21_SERCOM_CTRLB_FIFOCLR 22
+/* SPI mode */
+#define SAMD21_SERCOM_CTRLB_CHSIZE 0
+# define SAMD21_SERCOM_CTRLB_CHSIZE_8 0
+#define SAMD21_SERCOM_CTRLB_PLOADEN 6
+#define SAMD21_SERCOM_CTRLB_SSDE 9
+#define SAMD21_SERCOM_CTRLB_MSSEN 13
+#define SAMD21_SERCOM_CTRLB_AMODE 14
+#define SAMD21_SERCOM_CTRLB_RXEN 17
+
/* USART mode */
#define SAMD21_SERCOM_INTFLAG_DRE 0
#define SAMD21_SERCOM_INTFLAG_TXC 1
#define SAMD21_SERCOM_INTFLAG_SB 1
#define SAMD21_SERCOM_INTFLAG_MB 0
+/* SPI mode */
+#define SAMD21_SERCOM_INTFLAG_SSL 3
+
#define SAMD21_SERCOM_INTENCLR_DRE 0
#define SAMD21_SERCOM_INTENCLR_TXC 1
#define SAMD21_SERCOM_INTENCLR_RXC 2
#define SAMD21_SERCOM_STATUS_PERR 0
#define SAMD21_SERCOM_STATUS_FERR 1
#define SAMD21_SERCOM_STATUS_BUFOVF 2
-#define SAMD21_SERCOM_STATUS_CTS 3
-#define SAMD21_SERCOM_STATUS_ISF 4
+#define SAMD21_SERCOM_STATUS_CTS 3
+#define SAMD21_SERCOM_STATUS_ISF 4
#define SAMD21_SERCOM_STATUS_COLL 5
-#define SAMD21_SERCOM_STATUS_TXE 6
+#define SAMD21_SERCOM_STATUS_TXE 6
#define SAMD21_SERCOM_SYNCBUSY_SWRST 0
#define SAMD21_SERCOM_SYNCBUSY_ENABLE 1
projects / fw / altos / blobdiff