periph_cpu.h
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1 /*
2  * Copyright (C) 2018 Mesotic SAS
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 "periph_cpu_common.h"
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
33 #define PM_NUM_MODES (2)
40 enum {
43 };
49 static const gpio_t sam0_adc_pins[1][10] = {
50  {
51  GPIO_PIN(PA, 2), GPIO_PIN(PA, 3), GPIO_PIN(PA, 4), GPIO_PIN(PA, 5),
52  GPIO_PIN(PA, 6), GPIO_PIN(PA, 7), GPIO_PIN(PA, 8), GPIO_PIN(PA, 9),
53  GPIO_PIN(PA, 10), GPIO_PIN(PA, 11)
54  }
55 };
56 
61 #define ADC_INPUTCTRL_MUXPOS_PA02 ADC_INPUTCTRL_MUXPOS_AIN0
62 #define ADC_INPUTCTRL_MUXPOS_PA03 ADC_INPUTCTRL_MUXPOS_AIN1
63 #define ADC_INPUTCTRL_MUXPOS_PA04 ADC_INPUTCTRL_MUXPOS_AIN2
64 #define ADC_INPUTCTRL_MUXPOS_PA05 ADC_INPUTCTRL_MUXPOS_AIN3
65 #define ADC_INPUTCTRL_MUXPOS_PA06 ADC_INPUTCTRL_MUXPOS_AIN4
66 #define ADC_INPUTCTRL_MUXPOS_PA07 ADC_INPUTCTRL_MUXPOS_AIN5
67 #define ADC_INPUTCTRL_MUXPOS_PA08 ADC_INPUTCTRL_MUXPOS_AIN6
68 #define ADC_INPUTCTRL_MUXPOS_PA09 ADC_INPUTCTRL_MUXPOS_AIN7
69 #define ADC_INPUTCTRL_MUXPOS_PA10 ADC_INPUTCTRL_MUXPOS_AIN8
70 #define ADC_INPUTCTRL_MUXPOS_PA11 ADC_INPUTCTRL_MUXPOS_AIN9
72 #define ADC_INPUTCTRL_MUXNEG_PA02 ADC_INPUTCTRL_MUXPOS_AIN0
73 #define ADC_INPUTCTRL_MUXNEG_PA03 ADC_INPUTCTRL_MUXPOS_AIN1
74 #define ADC_INPUTCTRL_MUXNEG_PA04 ADC_INPUTCTRL_MUXPOS_AIN2
75 #define ADC_INPUTCTRL_MUXNEG_PA05 ADC_INPUTCTRL_MUXPOS_AIN3
76 #define ADC_INPUTCTRL_MUXNEG_PA06 ADC_INPUTCTRL_MUXPOS_AIN4
77 #define ADC_INPUTCTRL_MUXNEG_PA07 ADC_INPUTCTRL_MUXPOS_AIN5
78 #define ADC_INPUTCTRL_MUXNEG_PA08 ADC_INPUTCTRL_MUXPOS_AIN6
79 #define ADC_INPUTCTRL_MUXNEG_PA09 ADC_INPUTCTRL_MUXPOS_AIN7
85 #define DAC_RES_BITS (10)
86 
90 #define DAC_NUMOF (1)
91 
96 #define RTT_MAX_VALUE (0xffffffff)
97 #define RTT_CLOCK_FREQUENCY (32768U) /* in Hz */
98 #define RTT_MIN_FREQUENCY (RTT_CLOCK_FREQUENCY / 1024U) /* in Hz */
99 #define RTT_MAX_FREQUENCY (RTT_CLOCK_FREQUENCY) /* in Hz */
106 static const gpio_t rtc_tamper_pins[RTC_NUM_OF_TAMPERS] = {
107  GPIO_PIN(PA, 8), GPIO_PIN(PA, 9), GPIO_PIN(PA, 16),
108  GPIO_PIN(PA, 17)
109 };
110 
115 struct sam0_aux_cfg_mapping {
116  /* config word 0 */
117  uint32_t secure_region_unlock : 3;
119  uint32_t reserved_0 : 1;
120  uint32_t bod33_level : 6;
121  uint32_t bod33_disable : 1;
122  uint32_t bod33_action : 2;
123  const uint32_t bod12_calibration : 9;
124  uint32_t wdt_run_standby : 1;
125  uint32_t wdt_enable : 1;
126  uint32_t wdt_always_on : 1;
127  uint32_t wdt_period : 4;
128  /* config word 1 */
129  uint32_t wdt_window : 4;
130  uint32_t wdt_ewoffset : 4;
131  uint32_t wdt_window_enable : 1;
132  uint32_t bod33_hysteresis : 1;
133  uint32_t reserved_1 : 1;
134  uint32_t ram_execute_never : 1;
135  uint32_t data_execute_never : 1;
136  uint32_t reserved_2 : 19;
137  /* config word 2 */
138  uint32_t secure_flash_as_size : 8;
139  uint32_t nsc_size : 6;
140  uint32_t reserved_3 : 2;
141  uint32_t secure_flash_data_size : 4;
142  uint32_t reserved_4 : 4;
143  uint32_t secure_ram_size : 7;
144  uint32_t reserved_5 : 1;
145  /* config word 3 */
146  uint32_t user_row_write_enable : 1;
147  uint32_t reserved_6 : 31;
148  /* config word 4 */
149  uint32_t nonsec_a;
150  /* config word 5 */
151  uint32_t nonsec_b;
152  /* config word 6 */
153  uint32_t nonsec_c;
154  /* config word 7 */
155  uint32_t user_crc;
156 };
157 
158 #ifdef __cplusplus
159 }
160 #endif
161 
162 #endif /* PERIPH_CPU_H */
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
Definition: periph_cpu.h:46
@ PA
port A
@ SAM0_GCLK_MAIN
48 MHz main clock
Definition: periph_cpu.h:75
@ SAM0_GCLK_32KHZ
32 kHz clock
Definition: periph_cpu.h:77
static const gpio_t rtc_tamper_pins[RTC_NUM_OF_TAMPERS]
RTC input pins that can be used for tamper detection and wake from Deep Sleep.
Definition: periph_cpu.h:106
static const gpio_t sam0_adc_pins[1][10]
Pins that can be used for ADC input.
Definition: periph_cpu.h:49
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
uint32_t secure_flash_as_size
Secure Flash (AS region) Size = AS*0x100.
Definition: periph_cpu.h:138
uint64_t wdt_window
WDT Window at power-on.
Definition: periph_cpu.h:189
uint32_t nonsec_b
Peripherals Non-Secure Status Fuses for Bridge B.
Definition: periph_cpu.h:151
uint32_t data_execute_never
Data Flash is eXecute Never
Definition: periph_cpu.h:135
uint64_t wdt_window_enable
WDT Window mode enabled on power-on
Definition: periph_cpu.h:191
uint64_t bod33_hysteresis
BOD33 Hysteresis configuration
Definition: periph_cpu.h:192
uint32_t reserved_6
Reserved
Definition: periph_cpu.h:147
uint64_t bod33_action
BOD33 Action at power-on.
Definition: periph_cpu.h:184
uint32_t reserved_4
Reserved
Definition: periph_cpu.h:142
uint64_t wdt_period
WDT Period at power-on.
Definition: periph_cpu.h:188
uint32_t non_secure_region_unlock
NVM Non-Secure Region UnLock Bits
Definition: periph_cpu.h:118
uint32_t wdt_run_standby
WDT Runstdby at power-on
Definition: periph_cpu.h:124
uint64_t reserved_2
Factory settings - do not change.
Definition: periph_cpu.h:185
uint32_t secure_flash_data_size
Secure Data Flash Size = DS*0x100
Definition: periph_cpu.h:141
uint64_t wdt_ewoffset
WDT Early Warning Interrupt Offset
Definition: periph_cpu.h:190
uint32_t user_crc
CRC of NVM User Row bits 223:64 (words 2…6)
Definition: periph_cpu.h:155
uint32_t user_row_write_enable
User Row Write Enable
Definition: periph_cpu.h:146
uint64_t reserved_0
Factory settings - do not change.
Definition: periph_cpu.h:179
uint32_t bod33_disable
BOD33 Disable at power-on.
Definition: periph_cpu.h:236
uint64_t reserved_1
Factory settings - do not change.
Definition: periph_cpu.h:181
uint32_t ram_execute_never
RAM is eXecute Never
Definition: periph_cpu.h:134
uint32_t secure_ram_size
Secure SRAM Size = RS*0x80
Definition: periph_cpu.h:143
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
uint32_t nsc_size
Non-Secure Callable Flash (APPLICATION region) Size = ANSC*0x20.
Definition: periph_cpu.h:139
uint64_t reserved_3
Factory settings - do not change.
Definition: periph_cpu.h:194
uint32_t nonsec_a
Peripherals Non-Secure Status Fuses for Bridge A.
Definition: periph_cpu.h:149
uint32_t nonsec_c
Peripherals Non-Secure Status Fuses for Bridge C.
Definition: periph_cpu.h:153
uint64_t wdt_enable
WDT Enable at power-on.
Definition: periph_cpu.h:186
uint32_t secure_region_unlock
NVM Secure Region UnLock Bits
Definition: periph_cpu.h:117
uint32_t reserved_5
Reserved
Definition: periph_cpu.h:144