periph_conf.h
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1 /*
2  * SPDX-FileCopyrightText: 2021 Gerson Fernando Budke
3  * SPDX-License-Identifier: LGPL-2.1-only
4  */
5 
6 #pragma once
7 
17 #include "mutex.h"
18 
19 #ifdef __cplusplus
20 extern "C" {
21 #endif
22 
23 #include <stdint.h>
24 #include <avr/io.h>
25 
26 #include "periph_cpu.h"
27 
32 static const timer_conf_t timer_config[] = {
33  {
34  .dev = (void *)&TCC1,
35  .pwr = PWR_RED_REG(PWR_PORT_C, PR_TC1_bm),
36  .type = TC_TYPE_1,
37  .int_lvl = { CPU_INT_LVL_LOW,
41  },
42  {
43  .dev = (void *)&TCC0,
44  .pwr = PWR_RED_REG(PWR_PORT_C, PR_TC0_bm),
45  .type = TC_TYPE_0,
46  .int_lvl = { CPU_INT_LVL_LOW,
50  }
51 };
52 
53 #define TIMER_0_ISRA TCC1_CCA_vect
54 
55 #define TIMER_1_ISRA TCC0_CCA_vect
56 #define TIMER_1_ISRB TCC0_CCB_vect
57 #define TIMER_1_ISRC TCC0_CCC_vect
58 #define TIMER_1_ISRD TCC0_CCD_vect
59 
60 #define TIMER_NUMOF ARRAY_SIZE(timer_config)
67 static const uart_conf_t uart_config[] = {
68  { /* CDC-ACM */
69  .dev = &USARTE0,
70  .pwr = PWR_RED_REG(PWR_PORT_E, PR_USART0_bm),
71  .rx_pin = GPIO_PIN(PORT_E, 2),
72  .tx_pin = GPIO_PIN(PORT_E, 3),
73 #ifdef MODULE_PERIPH_UART_HW_FC
74  .rts_pin = GPIO_UNDEF,
75  .cts_pin = GPIO_UNDEF,
76 #endif
77  .rx_int_lvl = CPU_INT_LVL_LOW,
78  .tx_int_lvl = CPU_INT_LVL_LOW,
79  .dre_int_lvl = CPU_INT_LVL_OFF,
80  },
81 };
82 
83 /* interrupt function name mapping */
84 #define UART_0_RXC_ISR USARTE0_RXC_vect /* Reception Complete Interrupt */
85 #define UART_0_DRE_ISR USARTE0_DRE_vect /* Data Register Empty Interrupt */
86 #define UART_0_TXC_ISR USARTE0_TXC_vect /* Transmission Complete Interrupt */
87 
88 #define UART_NUMOF ARRAY_SIZE(uart_config)
95 static const i2c_conf_t i2c_config[] = {
96  {
97  .dev = &TWIC,
98  .pwr = PWR_RED_REG(PWR_PORT_C, PR_TWI_bm),
99  .sda_pin = GPIO_PIN(PORT_C, 0),
100  .scl_pin = GPIO_PIN(PORT_C, 1),
101  .speed = I2C_SPEED_NORMAL,
102  .int_lvl = CPU_INT_LVL_LOW,
103  },
104 };
105 
106 #define I2C_0_ISR TWIC_TWIM_vect
107 
108 #define I2C_NUMOF ARRAY_SIZE(i2c_config)
115 static const spi_conf_t spi_config[] = {
116  {
117  .dev = &SPIC,
118  .pwr = PWR_RED_REG(PWR_PORT_C, PR_SPI_bm),
119  .sck_pin = GPIO_PIN(PORT_C, 7),
120  .miso_pin = GPIO_PIN(PORT_C, 6),
121  .mosi_pin = GPIO_PIN(PORT_C, 5),
122  .ss_pin = GPIO_PIN(PORT_C, 4),
123  },
124 };
125 
126 #define SPI_NUMOF ARRAY_SIZE(spi_config)
136 static const ebi_conf_t ebi_config = {
137  .addr_bits = 18, /* A0-A17 */
138  .flags = (EBI_PORT_LPC | EBI_PORT_CS2),
139  .sram_ale = 0,
140  .lpc_ale = 2,
141  .sdram = { 0 },
142  .cs = { /* Reserved A16 */
143  { EBI_CS_MODE_DISABLED_gc,
144  0,
145  EBI_CS_SRWS_0CLK_gc,
146  0x0UL,
147  }, /* Reserved A17 */
148  { EBI_CS_MODE_DISABLED_gc,
149  0,
150  EBI_CS_SRWS_0CLK_gc,
151  0x0UL,
152  }, /* CS2 - 256K SRAM */
153  { EBI_CS_MODE_LPC_gc,
154  EBI_CS_ASIZE_256KB_gc,
155  EBI_CS_SRWS_1CLK_gc,
156  0x0UL,
157  }, /* Reserved LCD */
158  { EBI_CS_MODE_DISABLED_gc,
159  0,
160  EBI_CS_SRWS_0CLK_gc,
161  0x0UL,
162  },
163  },
164 };
167 #ifdef __cplusplus
168 }
169 #endif
170 
171 #include "periph_conf_common.h"
172 
@ PORT_C
port C
Definition: periph_cpu.h:48
@ PORT_E
port E
Definition: periph_cpu.h:50
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
Definition: periph_cpu.h:45
#define GPIO_UNDEF
Definition of a fitting UNDEF value.
#define PWR_RED_REG(reg, dev)
Define a CPU specific Power Reduction index macro.
Definition: periph_cpu.h:78
@ CPU_INT_LVL_OFF
Interrupt Disabled
Definition: periph_cpu.h:39
@ CPU_INT_LVL_LOW
Interrupt Low Level
Definition: periph_cpu.h:40
static const uart_conf_t uart_config[]
UART configuration.
Definition: periph_conf.h:35
static const spi_conf_t spi_config[]
SPI configuration.
Definition: periph_conf.h:93
static const i2c_conf_t i2c_config[]
I2C configuration.
Definition: periph_conf.h:65
static const timer_conf_t timer_config[]
All timers on board.
Definition: periph_conf.h:36
@ I2C_SPEED_NORMAL
normal mode: ~100 kbit/s
Definition: periph_cpu.h:277
Mutex for thread synchronization.
I2C configuration structure.
Definition: periph_cpu.h:298
TWI_t * dev
Pointer to hardware module registers.
Definition: periph_cpu.h:299
SPI device configuration.
Definition: periph_cpu.h:336
SPI_t * dev
pointer to the used SPI device
Definition: periph_cpu.h:337
Timer device configuration.
Definition: periph_cpu.h:263
TC0_t * dev
Pointer to the used as Timer device.
Definition: periph_cpu.h:264
UART device configuration.
Definition: periph_cpu.h:217
USART_t * dev
pointer to the used UART device
Definition: periph_cpu.h:218