periph_cpu.h
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1 /*
2  * Copyright (C) 2015-2016 Freie Universität Berlin
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
20 #ifndef PERIPH_CPU_H
21 #define PERIPH_CPU_H
22 
23 #include <limits.h>
24 
25 #include "periph_cpu_common.h"
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
35 #define PM_NUM_MODES (4)
42 #ifndef PM_BLOCKER_INITIAL
43 #define PM_BLOCKER_INITIAL { 1, 0, 0, 0 }
44 #endif
45 
50 #define SAMD21_PM_STANDBY (0U)
51 #define SAMD21_PM_IDLE_2 (1U)
52 #define SAMD21_PM_IDLE_1 (2U)
53 #define SAMD21_PM_IDLE_0 (3U)
60 #define SAM0_SPI_PM_BLOCK SAMD21_PM_IDLE_1
67 #define SAM0_USB_ACTIVE_PM_BLOCK SAMD21_PM_IDLE_1
74 enum {
80 };
88 #define SPI_HWCS(x) (UINT_MAX - 1)
89 
97 static inline int _sercom_id(SercomUsart *sercom)
98 {
99  return ((((uint32_t)sercom) >> 10) & 0x7) - 2;
100 }
101 
105 static const gpio_t sam0_adc_pins[1][20] = {
106  {
107  GPIO_PIN(PA, 2), GPIO_PIN(PA, 3), GPIO_PIN(PB, 8), GPIO_PIN(PB, 9),
108  GPIO_PIN(PA, 4), GPIO_PIN(PA, 5), GPIO_PIN(PA, 6), GPIO_PIN(PA, 7),
109  GPIO_PIN(PB, 0), GPIO_PIN(PB, 1), GPIO_PIN(PB, 2), GPIO_PIN(PB, 3),
110  GPIO_PIN(PB, 4), GPIO_PIN(PB, 5), GPIO_PIN(PB, 6), GPIO_PIN(PB, 7),
111  GPIO_PIN(PA, 8), GPIO_PIN(PA, 9), GPIO_PIN(PA, 10), GPIO_PIN(PA, 11),
112  }
113 };
114 
119 #define ADC_INPUTCTRL_MUXPOS_PA02 ADC_INPUTCTRL_MUXPOS_PIN0
120 #define ADC_INPUTCTRL_MUXPOS_PA03 ADC_INPUTCTRL_MUXPOS_PIN1
121 #define ADC_INPUTCTRL_MUXPOS_PB08 ADC_INPUTCTRL_MUXPOS_PIN2
122 #define ADC_INPUTCTRL_MUXPOS_PB09 ADC_INPUTCTRL_MUXPOS_PIN3
123 #define ADC_INPUTCTRL_MUXPOS_PA04 ADC_INPUTCTRL_MUXPOS_PIN4
124 #define ADC_INPUTCTRL_MUXPOS_PA05 ADC_INPUTCTRL_MUXPOS_PIN5
125 #define ADC_INPUTCTRL_MUXPOS_PA06 ADC_INPUTCTRL_MUXPOS_PIN6
126 #define ADC_INPUTCTRL_MUXPOS_PA07 ADC_INPUTCTRL_MUXPOS_PIN7
127 #define ADC_INPUTCTRL_MUXPOS_PB00 ADC_INPUTCTRL_MUXPOS_PIN8
128 #define ADC_INPUTCTRL_MUXPOS_PB01 ADC_INPUTCTRL_MUXPOS_PIN9
129 #define ADC_INPUTCTRL_MUXPOS_PB02 ADC_INPUTCTRL_MUXPOS_PIN10
130 #define ADC_INPUTCTRL_MUXPOS_PB03 ADC_INPUTCTRL_MUXPOS_PIN11
131 #define ADC_INPUTCTRL_MUXPOS_PB04 ADC_INPUTCTRL_MUXPOS_PIN12
132 #define ADC_INPUTCTRL_MUXPOS_PB05 ADC_INPUTCTRL_MUXPOS_PIN13
133 #define ADC_INPUTCTRL_MUXPOS_PB06 ADC_INPUTCTRL_MUXPOS_PIN14
134 #define ADC_INPUTCTRL_MUXPOS_PB07 ADC_INPUTCTRL_MUXPOS_PIN15
135 #define ADC_INPUTCTRL_MUXPOS_PA08 ADC_INPUTCTRL_MUXPOS_PIN16
136 #define ADC_INPUTCTRL_MUXPOS_PA09 ADC_INPUTCTRL_MUXPOS_PIN17
137 #define ADC_INPUTCTRL_MUXPOS_PA10 ADC_INPUTCTRL_MUXPOS_PIN18
138 #define ADC_INPUTCTRL_MUXPOS_PA11 ADC_INPUTCTRL_MUXPOS_PIN19
140 #define ADC_INPUTCTRL_MUXNEG_PA02 ADC_INPUTCTRL_MUXPOS_PIN0
141 #define ADC_INPUTCTRL_MUXNEG_PA03 ADC_INPUTCTRL_MUXPOS_PIN1
142 #define ADC_INPUTCTRL_MUXNEG_PB08 ADC_INPUTCTRL_MUXPOS_PIN2
143 #define ADC_INPUTCTRL_MUXNEG_PB09 ADC_INPUTCTRL_MUXPOS_PIN3
144 #define ADC_INPUTCTRL_MUXNEG_PA04 ADC_INPUTCTRL_MUXPOS_PIN4
145 #define ADC_INPUTCTRL_MUXNEG_PA05 ADC_INPUTCTRL_MUXPOS_PIN5
146 #define ADC_INPUTCTRL_MUXNEG_PA06 ADC_INPUTCTRL_MUXPOS_PIN6
147 #define ADC_INPUTCTRL_MUXNEG_PA07 ADC_INPUTCTRL_MUXPOS_PIN7
153 #define DAC_RES_BITS (10)
154 
158 #define DAC_NUMOF (1)
159 
164 #define RTT_RUNSTDBY (1) /* Keep RTT running in sleep states */
165 
166 #define RTT_MAX_VALUE (0xffffffff)
167 #define RTT_CLOCK_FREQUENCY (32768U) /* in Hz */
168 #define RTT_MIN_FREQUENCY (RTT_CLOCK_FREQUENCY / 1024U) /* in Hz */
169 #define RTT_MAX_FREQUENCY (RTT_CLOCK_FREQUENCY) /* in Hz */
178  uint64_t bootloader_size : 3;
179  uint64_t reserved_0 : 1;
180  uint64_t eeprom_size : 3;
181  uint64_t reserved_1 : 1;
182  uint64_t bod33_level : 6;
183  uint64_t bod33_enable : 1;
184  uint64_t bod33_action : 2;
185  uint64_t reserved_2 : 8;
186  uint64_t wdt_enable : 1;
187  uint64_t wdt_always_on : 1;
188  uint64_t wdt_period : 4;
189  uint64_t wdt_window : 4;
190  uint64_t wdt_ewoffset : 4;
191  uint64_t wdt_window_enable : 1;
192  uint64_t bod33_hysteresis : 1;
193  const uint64_t bod12_calibration : 1;
194  uint64_t reserved_3 : 6;
195  uint64_t nvm_locks : 16;
196 };
199 #ifdef __cplusplus
200 }
201 #endif
202 
203 #endif /* PERIPH_CPU_H */
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
Definition: periph_cpu.h:46
@ PB
port B
@ PA
port A
@ SAM0_GCLK_MAIN
48 MHz main clock
Definition: periph_cpu.h:75
@ SAM0_GCLK_DISABLED
disabled GCLK
Definition: periph_cpu.h:79
@ SAM0_GCLK_1KHZ
1 kHz clock
Definition: periph_cpu.h:78
@ SAM0_GCLK_32KHZ
32 kHz clock
Definition: periph_cpu.h:77
@ SAM0_GCLK_1MHZ
1 MHz clock for xTimer
Definition: periph_cpu.h:76
static const gpio_t sam0_adc_pins[1][20]
Pins that can be used for ADC input.
Definition: periph_cpu.h:105
static int _sercom_id(SercomUsart *sercom)
Return the numeric id of a SERCOM device derived from its address.
Definition: periph_cpu.h:97
NVM User Row Mapping - Dedicated Entries Config values will be applied at power-on.
Definition: periph_cpu.h:177
uint64_t bod33_level
BOD33 threshold level at power-on.
Definition: periph_cpu.h:182
uint64_t wdt_window
WDT Window at power-on.
Definition: periph_cpu.h:189
uint64_t wdt_window_enable
WDT Window mode enabled on power-on
Definition: periph_cpu.h:191
uint64_t nvm_locks
NVM Region Lock Bits.
Definition: periph_cpu.h:195
uint64_t bod33_hysteresis
BOD33 Hysteresis configuration
Definition: periph_cpu.h:192
uint64_t bod33_action
BOD33 Action at power-on.
Definition: periph_cpu.h:184
uint64_t bod33_enable
BOD33 Enable at power-on.
Definition: periph_cpu.h:183
uint64_t wdt_period
WDT Period at power-on.
Definition: periph_cpu.h:188
uint64_t reserved_2
Factory settings - do not change.
Definition: periph_cpu.h:185
uint64_t bootloader_size
BOOTPROT: Bootloader Size
Definition: periph_cpu.h:178
uint64_t wdt_ewoffset
WDT Early Warning Interrupt Offset
Definition: periph_cpu.h:190
uint64_t eeprom_size
one of eight different EEPROM sizes
Definition: periph_cpu.h:180
uint64_t reserved_0
Factory settings - do not change.
Definition: periph_cpu.h:179
uint64_t reserved_1
Factory settings - do not change.
Definition: periph_cpu.h:181
uint64_t wdt_always_on
WDT Always-On at power-on.
Definition: periph_cpu.h:187
const uint64_t bod12_calibration
Factory settings - do not change.
Definition: periph_cpu.h:193
uint64_t reserved_3
Factory settings - do not change.
Definition: periph_cpu.h:194
uint64_t wdt_enable
WDT Enable at power-on.
Definition: periph_cpu.h:186