| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /* This file defines the HAL implementations within this MCU */ |
| |
| #ifndef MIPS_HAL_H |
| #define MIPS_HAL_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* I/O pins for UART */ |
| struct mips_uart_cfg { |
| uint8_t tx; |
| uint8_t rx; |
| }; |
| |
| /* I/O pins for SPI, SS pin is not handled by the driver */ |
| struct mips_spi_cfg { |
| uint8_t mosi; |
| uint8_t miso; |
| uint8_t sck; |
| }; |
| |
| /* I/O pins for I2C, also set frequency */ |
| struct mips_i2c_cfg { |
| uint8_t scl; |
| uint8_t sda; |
| uint32_t frequency; |
| }; |
| |
| /* Helper functions to enable/disable interrupts. */ |
| #define __HAL_DISABLE_INTERRUPTS(__os_sr) do {__os_sr = __builtin_get_isr_state(); \ |
| __builtin_disable_interrupts();} while(0) |
| |
| #define __HAL_ENABLE_INTERRUPTS(__os_sr) __builtin_set_isr_state(__os_sr) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* MCU_HAL_H */ |
