periph_conf.h
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1 /*
2  * Copyright (C) 2021 Gerson Fernando Budke
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 
9 #pragma once
10 
20 #include "mutex.h"
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 #include <stdint.h>
27 #include <avr/io.h>
28 
29 #include "periph_cpu.h"
30 
35 static const timer_conf_t timer_config[] = {
36  {
37  .dev = (void *)&TCC1,
38  .pwr = PWR_RED_REG(PWR_PORT_C, PR_TC1_bm),
39  .type = TC_TYPE_1,
40  .int_lvl = { CPU_INT_LVL_LOW,
44  },
45  {
46  .dev = (void *)&TCC0,
47  .pwr = PWR_RED_REG(PWR_PORT_C, PR_TC0_bm),
48  .type = TC_TYPE_0,
49  .int_lvl = { CPU_INT_LVL_LOW,
53  }
54 };
55 
56 #define TIMER_0_ISRA TCC1_CCA_vect
57 
58 #define TIMER_1_ISRA TCC0_CCA_vect
59 #define TIMER_1_ISRB TCC0_CCB_vect
60 #define TIMER_1_ISRC TCC0_CCC_vect
61 #define TIMER_1_ISRD TCC0_CCD_vect
62 
63 #define TIMER_NUMOF ARRAY_SIZE(timer_config)
70 static const uart_conf_t uart_config[] = {
71  { /* CDC-ACM */
72  .dev = &USARTE0,
73  .pwr = PWR_RED_REG(PWR_PORT_E, PR_USART0_bm),
74  .rx_pin = GPIO_PIN(PORT_E, 2),
75  .tx_pin = GPIO_PIN(PORT_E, 3),
76 #ifdef MODULE_PERIPH_UART_HW_FC
77  .rts_pin = GPIO_UNDEF,
78  .cts_pin = GPIO_UNDEF,
79 #endif
80  .rx_int_lvl = CPU_INT_LVL_LOW,
81  .tx_int_lvl = CPU_INT_LVL_LOW,
82  .dre_int_lvl = CPU_INT_LVL_OFF,
83  },
84 };
85 
86 /* interrupt function name mapping */
87 #define UART_0_RXC_ISR USARTE0_RXC_vect /* Reception Complete Interrupt */
88 #define UART_0_DRE_ISR USARTE0_DRE_vect /* Data Register Empty Interrupt */
89 #define UART_0_TXC_ISR USARTE0_TXC_vect /* Transmission Complete Interrupt */
90 
91 #define UART_NUMOF ARRAY_SIZE(uart_config)
98 static const i2c_conf_t i2c_config[] = {
99  {
100  .dev = &TWIC,
101  .pwr = PWR_RED_REG(PWR_PORT_C, PR_TWI_bm),
102  .sda_pin = GPIO_PIN(PORT_C, 0),
103  .scl_pin = GPIO_PIN(PORT_C, 1),
104  .speed = I2C_SPEED_NORMAL,
105  .int_lvl = CPU_INT_LVL_LOW,
106  },
107 };
108 
109 #define I2C_0_ISR TWIC_TWIM_vect
110 
111 #define I2C_NUMOF ARRAY_SIZE(i2c_config)
118 static const spi_conf_t spi_config[] = {
119  {
120  .dev = &SPIC,
121  .pwr = PWR_RED_REG(PWR_PORT_C, PR_SPI_bm),
122  .sck_pin = GPIO_PIN(PORT_C, 7),
123  .miso_pin = GPIO_PIN(PORT_C, 6),
124  .mosi_pin = GPIO_PIN(PORT_C, 5),
125  .ss_pin = GPIO_PIN(PORT_C, 4),
126  },
127 };
128 
129 #define SPI_NUMOF ARRAY_SIZE(spi_config)
139 static const ebi_conf_t ebi_config = {
140  .addr_bits = 18, /* A0-A17 */
141  .flags = (EBI_PORT_LPC | EBI_PORT_CS2),
142  .sram_ale = 0,
143  .lpc_ale = 2,
144  .sdram = { 0 },
145  .cs = { /* Reserved A16 */
146  { EBI_CS_MODE_DISABLED_gc,
147  0,
148  EBI_CS_SRWS_0CLK_gc,
149  0x0UL,
150  }, /* Reserved A17 */
151  { EBI_CS_MODE_DISABLED_gc,
152  0,
153  EBI_CS_SRWS_0CLK_gc,
154  0x0UL,
155  }, /* CS2 - 256K SRAM */
156  { EBI_CS_MODE_LPC_gc,
157  EBI_CS_ASIZE_256KB_gc,
158  EBI_CS_SRWS_1CLK_gc,
159  0x0UL,
160  }, /* Reserved LCD */
161  { EBI_CS_MODE_DISABLED_gc,
162  0,
163  EBI_CS_SRWS_0CLK_gc,
164  0x0UL,
165  },
166  },
167 };
170 #ifdef __cplusplus
171 }
172 #endif
173 
174 #include "periph_conf_common.h"
175 
@ 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:38
static const spi_conf_t spi_config[]
SPI configuration.
Definition: periph_conf.h:96
static const i2c_conf_t i2c_config[]
I2C configuration.
Definition: periph_conf.h:68
static const timer_conf_t timer_config[]
All timers on board.
Definition: periph_conf.h:39
@ 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