boards/yunjia-nrf51822/include/periph_conf.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2014 Freie Universit├Ąt Berlin
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser General
5  * Public License v2.1. See the file LICENSE in the top level directory for more
6  * details.
7  */
8 
19 #ifndef PERIPH_CONF_H
20 #define PERIPH_CONF_H
21 
22 #include "periph_cpu.h"
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
35 #define CLOCK_CORECLOCK (16000000U) /* fixed for all nRF51822 */
36 #define CLOCK_HFCLK (16U) /* set to 0: internal RC oscillator
37  16: 16MHz crystal
38  32: 32MHz crystal */
39 #define CLOCK_LFCLK (0) /* set to 0: internal RC oscillator
40  * 1: 32.768 kHz crystal
41  * 2: derived from HFCLK */
42 
48 static const timer_conf_t timer_config[] = {
49  /* dev, channels, width */
50  { NRF_TIMER0, 3, TIMER_BITMODE_BITMODE_24Bit, TIMER0_IRQn }
51 };
52 
53 #define TIMER_0_ISR isr_timer0
54 
55 #define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0]))
56 
62 #define UART_NUMOF (1U)
63 /* UART pin configuration */
64 #define UART_PIN_RX 1
65 #define UART_PIN_TX 2
66 
72 #define RTT_NUMOF (1U)
73 #define RTT_DEV (1) /* NRF_RTC1 */
74 #define RTT_MAX_VALUE (0x00ffffff)
75 #define RTT_FREQUENCY (1024)
76 
82 static const spi_conf_t spi_config[] = {
83  {
84  .dev = NRF_SPI0,
85  .sclk = 19,
86  .mosi = 17,
87  .miso = 18
88  },
89  {
90  .dev = NRF_SPI1,
91  .sclk = 22,
92  .mosi = 20,
93  .miso = 21
94  }
95 };
96 
97 #define SPI_NUMOF (sizeof(spi_config) / sizeof(spi_config[0]))
98 
104 static const i2c_conf_t i2c_config[] = {
105  {
106  .dev = NRF_TWI0,
107  .pin_scl = 23,
108  .pin_sda = 24,
109  .ppi = 0
110  }
111 };
112 
113 #define I2C_NUMOF (sizeof(i2c_config) / sizeof(i2c_config[0]))
114 
122 #define ADC_CONFIG {4, 5, 6, 7}
123 #define ADC_NUMOF (4)
124 
133 #define RADIO_IRQ_PRIO 1
134 
136 #ifdef __cplusplus
137 }
138 #endif
139 
140 #endif /* PERIPH_CONF_H */
I2C configuration options.
NRF_TWI_Type * dev
hardware device
SPI configuration data structure.
Timer configuration data.
cc2538_ssi_t * dev
SSI device.