Loading...
Searching...
No Matches
periph_cpu.h
Go to the documentation of this file.
1/*
2 * SPDX-FileCopyrightText: 2015 Kaspar Schleiser <kaspar@schleiser.de>
3 * SPDX-License-Identifier: LGPL-2.1-only
4 */
5
6#pragma once
7
17
18#ifdef __cplusplus
19extern "C" {
20#endif
21
22#include <stdint.h>
23#include "cpu.h"
24
29#define __IO volatile
31
36#define PM_NUM_MODES (4)
38
42typedef struct {
44 __IO uint32_t DIR;
46 uint32_t _reserved[3];
50 __IO uint32_t MASK;
54 __IO uint32_t PIN;
56 __IO uint32_t SET;
58 __IO uint32_t CLR;
60
64#define FIO_PORTS ((FIO_PORT_t*)FIO_BASE_ADDR)
65
69#define PINSEL ((__IO uint32_t *)(PINSEL_BASE_ADDR))
70
74#define PINMODE ((__IO uint32_t *)(PINSEL_BASE_ADDR + 0x40))
75
82int gpio_init_mux(unsigned pin, unsigned mux);
83
87#define GPIO_PIN(port, pin) (port<<5 | pin)
88
89#ifndef DOXYGEN
90#define HAVE_GPIO_FLANK_T
91typedef enum {
92 GPIO_FALLING = 1,
93 GPIO_RISING = 2,
94 GPIO_BOTH = 3
96#endif /* ifndef DOXYGEN */
97
101typedef struct {
102 lpc23xx_uart_t *dev;
103 uint8_t irq_prio_rx;
104 uint8_t pinsel_rx;
105 uint8_t pinsel_tx;
106 uint32_t pinsel_msk_rx;
107 uint32_t pinsel_msk_tx;
109
113typedef struct {
114 lpc23xx_spi_t *dev;
115 uint8_t pinsel_mosi;
116 uint8_t pinsel_miso;
117 uint8_t pinsel_clk;
120 uint32_t pinsel_msk_clk;
121} spi_conf_t;
122
126#define TIMER_CHANNEL_NUMOF (4U)
127
131#define PERIPH_TIMER_PROVIDES_SET
132
137#define PERIPH_SPI_NEEDS_INIT_CS
138#define PERIPH_SPI_NEEDS_TRANSFER_BYTE
139#define PERIPH_SPI_NEEDS_TRANSFER_REG
140#define PERIPH_SPI_NEEDS_TRANSFER_REGS
142
143#ifndef DOXYGEN
148#define HAVE_SPI_CLK_T
149typedef enum {
150 SPI_CLK_100KHZ = 100,
151 SPI_CLK_400KHZ = 400,
152 SPI_CLK_1MHZ = 1000,
153 SPI_CLK_5MHZ = 5000,
154 SPI_CLK_10MHZ = 10000
155} spi_clk_t;
157#endif /* ndef DOXYGEN */
158
169#define DAC_NUMOF (1U)
170
171#ifndef DOXYGEN
176#define HAVE_ADC_RES_T
177typedef enum {
178 ADC_RES_16BIT = 0xff,
179 ADC_RES_14BIT = 0xfe,
180 ADC_RES_12BIT = 0xfd,
181 ADC_RES_10BIT = 0b000,
182 ADC_RES_9BIT = 0b001,
183 ADC_RES_8BIT = 0b010,
184 ADC_RES_7BIT = 0b011,
185 ADC_RES_6BIT = 0b100,
186 ADC_RES_5BIT = 0b101,
187 ADC_RES_4BIT = 0b110,
188 ADC_RES_3BIT = 0b111,
189} adc_res_t;
191#endif /* ndef DOXYGEN */
192
196typedef struct {
197 uint8_t chan;
198 uint8_t pinsel;
199 uint32_t pinsel_msk;
200} adc_conf_t;
201
202#ifndef DOXYGEN
207#define HAVE_I2C_SPEED_T
208typedef enum {
209 I2C_SPEED_LOW = 10000,
210 I2C_SPEED_NORMAL = 100000,
211 I2C_SPEED_FAST = 400000,
214#endif /* ndef DOXYGEN */
215
219typedef struct {
220 lpc23xx_i2c_t *dev;
222 uint8_t irq_prio;
223 uint8_t pinsel_sda;
224 uint8_t pinsel_scl;
227} i2c_conf_t;
228
233#define PERIPH_I2C_NEED_READ_REG
234#define PERIPH_I2C_NEED_WRITE_REG
236
242#if defined(MODULE_PERIPH_RTC) && !defined(RTC_NORMALIZE_COMPAT)
243#define RTC_NORMALIZE_COMPAT (1)
244#endif
246
247#ifdef __cplusplus
248}
249#endif
250
gpio_flank_t
Definition periph_cpu.h:176
i2c_speed_t
Definition periph_cpu.h:272
@ I2C_SPEED_NORMAL
normal mode: ~100 kbit/s
Definition periph_cpu.h:274
@ I2C_SPEED_LOW
low speed mode: ~10 kbit/s
Definition periph_cpu.h:273
@ I2C_SPEED_FAST
fast mode: ~400 kbit/s
Definition periph_cpu.h:275
spi_clk_t
Definition periph_cpu.h:348
@ SPI_CLK_10MHZ
drive the SPI bus with 10MHz
Definition periph_cpu.h:353
@ SPI_CLK_5MHZ
drive the SPI bus with 5MHz
Definition periph_cpu.h:352
@ SPI_CLK_400KHZ
drive the SPI bus with 400KHz
Definition periph_cpu.h:350
@ SPI_CLK_1MHZ
drive the SPI bus with 1MHz
Definition periph_cpu.h:351
@ SPI_CLK_100KHZ
drive the SPI bus with 100KHz
Definition periph_cpu.h:349
void gpio_init_mux(gpio_t pin, uint8_t over, uint8_t sel, uint8_t func)
Configure an alternate function for the given pin.
adc_res_t
Possible ADC resolution settings.
Definition adc.h:92
@ ADC_RES_16BIT
ADC resolution: 16 bit.
Definition adc.h:98
@ ADC_RES_8BIT
ADC resolution: 8 bit.
Definition adc.h:94
@ ADC_RES_14BIT
ADC resolution: 14 bit.
Definition adc.h:97
@ ADC_RES_6BIT
ADC resolution: 6 bit.
Definition adc.h:93
@ ADC_RES_10BIT
ADC resolution: 10 bit.
Definition adc.h:95
@ ADC_RES_12BIT
ADC resolution: 12 bit.
Definition adc.h:96
#define __IO
LPC2387 MCU defines.
Definition periph_cpu.h:29
Fast GPIO register definition struct.
Definition periph_cpu.h:42
__IO uint32_t MASK
Set bits to ignore corresponding bits when accessing PIN, SET or CLR register of this port.
Definition periph_cpu.h:50
uint32_t _reserved[3]
12 bytes of reserved memory we don't need to access
Definition periph_cpu.h:46
__IO uint32_t SET
Output pins are set to high by setting the corresponding bit.
Definition periph_cpu.h:56
__IO uint32_t DIR
Direction: Output if corresponding bit is set, otherwise input.
Definition periph_cpu.h:44
__IO uint32_t PIN
The current state of each pin of this port is accessible here (regardless of direction): If bit is se...
Definition periph_cpu.h:54
__IO uint32_t CLR
Output pins are set to low by setting the corresponding bit.
Definition periph_cpu.h:58
ADC device configuration.
Definition periph_cpu.h:374
uint8_t pinsel
PINSEL# of the ADC pin.
Definition periph_cpu.h:198
uint32_t pinsel_msk
PINSEL Mask for ADC pin.
Definition periph_cpu.h:199
I2C configuration structure.
Definition periph_cpu.h:295
uint32_t pinsel_msk_scl
SCL PINSEL Mask.
Definition periph_cpu.h:226
i2c_speed_t speed
Configured bus speed, actual speed may be lower but never higher.
Definition periph_cpu.h:300
uint8_t pinsel_sda
PINSEL# of the SDA pin.
Definition periph_cpu.h:223
TWI_t * dev
Pointer to hardware module registers.
Definition periph_cpu.h:296
uint8_t pinsel_scl
PINSEL# of the SCL pin.
Definition periph_cpu.h:224
uint8_t irq_prio
priority of the I2C IRQ
Definition periph_cpu.h:222
uint32_t pinsel_msk_sda
SDA PINSEL Mask.
Definition periph_cpu.h:225
SPI device configuration.
Definition periph_cpu.h:333
SPI_t * dev
pointer to the used SPI device
Definition periph_cpu.h:334
uint8_t pinsel_miso
PINSEL# of the MISO pin.
Definition periph_cpu.h:116
uint32_t pinsel_msk_clk
CLK PINSEL Mask.
Definition periph_cpu.h:120
uint8_t pinsel_clk
PINSEL# of the CLK pin.
Definition periph_cpu.h:117
uint8_t pinsel_mosi
PINSEL# of the MOSI pin.
Definition periph_cpu.h:115
uint32_t pinsel_msk_mosi
MOSI PINSEL Mask.
Definition periph_cpu.h:118
uint32_t pinsel_msk_miso
MISO PINSEL Mask.
Definition periph_cpu.h:119
UART device configuration.
Definition periph_cpu.h:214
USART_t * dev
pointer to the used UART device
Definition periph_cpu.h:215
uint8_t pinsel_rx
PINSEL# of the RX pin.
Definition periph_cpu.h:104
uint32_t pinsel_msk_tx
TX PINSEL Mask.
Definition periph_cpu.h:107
uint8_t pinsel_tx
PINSEL# of the TX pin.
Definition periph_cpu.h:105
uint8_t irq_prio_rx
priority of the RX IRQ
Definition periph_cpu.h:103
uint32_t pinsel_msk_rx
RX PINSEL Mask.
Definition periph_cpu.h:106