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127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/*
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* Copyright(C) 2017, Imagination Technologies Limited and/or its
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* affiliated group companies.
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*
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*/
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/**
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* @ingroup cpu_mips_pic32_common
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* @brief Shared CPU specific definitions for the MIPS family.
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* @{
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*
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* @file
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* @brief Shared CPU specific definitions for the MIPS family.
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*
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* @author Francois Berder <francois.berder@imgtec.com>
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*/
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#ifndef PERIPH_CPU_COMMON_H
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#define PERIPH_CPU_COMMON_H
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#include "cpu.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief We run from flash on PIC32
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*/
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#define FLASH_XIP (1)
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/**
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* @name Power management configuration
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* @{
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*/
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#define PROVIDES_PM_SET_LOWEST
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/** @} */
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/**
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* @brief Length of the CPU_ID in bytes
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*/
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#define CPUID_LEN (4U)
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#ifndef DOXYGEN
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/**
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* @brief Overwrite the default gpio_t type definition
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* @{
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*/
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#define HAVE_GPIO_T
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typedef uint32_t gpio_t;
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/** @} */
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#endif
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/**
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* @brief Override GPIO pin selection macro
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*/
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#define GPIO_PIN(x, y) (((_PORTB_BASE_ADDRESS & 0xFFFFF000) + (x << 8)) | y)
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/**
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* @brief Available ports on the PIC32 family
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*/
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enum {
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PORT_A = 0, /**< port A */
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PORT_B = 1, /**< port B */
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PORT_C = 2, /**< port C */
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PORT_D = 3, /**< port D */
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PORT_E = 4, /**< port E */
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PORT_F = 5, /**< port F */
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PORT_G = 6, /**< port G */
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};
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/**
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* @brief Prevent shared timer functions from being used
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*/
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#define PERIPH_TIMER_PROVIDES_SET
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/**
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* @brief Available MUX values for configuring a pin's alternate function
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*/
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typedef enum {
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GPIO_AF0 = 0, /**< use alternate function 0 */
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GPIO_AF1, /**< use alternate function 1 */
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GPIO_AF2, /**< use alternate function 2 */
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GPIO_AF3, /**< use alternate function 3 */
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GPIO_AF4, /**< use alternate function 4 */
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GPIO_AF5, /**< use alternate function 5 */
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GPIO_AF6, /**< use alternate function 6 */
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GPIO_AF7, /**< use alternate function 7 */
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GPIO_AF8, /**< use alternate function 8 */
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GPIO_AF9, /**< use alternate function 9 */
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GPIO_AF10, /**< use alternate function 10 */
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GPIO_AF11, /**< use alternate function 11 */
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GPIO_AF12, /**< use alternate function 12 */
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GPIO_AF13, /**< use alternate function 13 */
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GPIO_AF14, /**< use alternate function 14 */
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GPIO_AF15 /**< use alternate function 15 */
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} gpio_af_t;
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/**
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* @brief Structure for UART configuration data
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*/
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typedef struct {
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volatile unsigned int * base; /**< UART device base register address */
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uint32_t clock; /**< Peripheral clock frequency */
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gpio_t rx_pin; /**< RX pin */
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gpio_t tx_pin; /**< TX pin */
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volatile unsigned int *rx_mux_reg; /**< Address of RX mux register*/
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volatile unsigned int *tx_mux_reg; /**< Address of TX mux register */
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gpio_af_t rx_af; /**< alternate function for RX pin */
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gpio_af_t tx_af; /**< alternate function for TX pin */
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uint32_t vector; /**< vector number */
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#ifdef CPU_FAM_PIC32MX
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uint32_t irq; /**< interrupt number */
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#endif
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} uart_conf_t;
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#ifdef __cplusplus
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}
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#endif
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#endif /* PERIPH_CPU_COMMON_H */
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/** @} */
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