
This is the latest working repository used in our demo video for the Maxim to display temperature readings on Bluetooth
Diff: HSP/RpcServer/RpcFifo.cpp
- Revision:
- 3:36de8b9e4b1a
- Parent:
- 2:86d928355813
- Child:
- 4:1fcd660d72fe
--- a/HSP/RpcServer/RpcFifo.cpp Sat Apr 10 02:05:01 2021 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,253 +0,0 @@ -/******************************************************************************* - * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES - * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name of Maxim Integrated - * Products, Inc. shall not be used except as stated in the Maxim Integrated - * Products, Inc. Branding Policy. - * - * The mere transfer of this software does not imply any licenses - * of trade secrets, proprietary technology, copyrights, patents, - * trademarks, maskwork rights, or any other form of intellectual - * property whatsoever. Maxim Integrated Products, Inc. retains all - * ownership rights. - ******************************************************************************* - */ -#include "mbed.h" -#include "RpcFifo.h" - -/****************************************************************************/ -void fifo_init(fifo_t *fifo, void *mem, unsigned int length) { - // atomic FIFO access - __disable_irq(); - - fifo->rindex = 0; - fifo->windex = 0; - fifo->data = mem; - fifo->length = length; - - __enable_irq(); -} - -/****************************************************************************/ -int fifo_put8(fifo_t *fifo, uint8_t element) { - // Check if FIFO is full - if ((fifo->windex == (fifo->rindex - 1)) || - ((fifo->rindex == 0) && (fifo->windex == (fifo->length - 1)))) { - return -1; - } - - // atomic FIFO access - __disable_irq(); - - // Put data into FIFO - ((uint8_t *)(fifo->data))[fifo->windex] = element; - - // Increment pointer - fifo->windex++; - if (fifo->windex == fifo->length) { - fifo->windex = 0; - } - - __enable_irq(); - - return 0; -} - -/****************************************************************************/ -int fifo_get8(fifo_t *fifo, uint8_t *element) { - // Check if FIFO is empty - if (fifo->rindex == fifo->windex) - return -1; - - // atomic FIFO access - __disable_irq(); - - // Get data from FIFO - *element = ((uint8_t *)(fifo->data))[fifo->rindex]; - - // Increment pointer - fifo->rindex++; - if (fifo->rindex == fifo->length) { - fifo->rindex = 0; - } - - __enable_irq(); - - return 0; -} - -/****************************************************************************/ -int fifo_put16(fifo_t *fifo, uint16_t element) { - // Check if FIFO is full - if ((fifo->windex == (fifo->rindex - 1)) || - ((fifo->rindex == 0) && (fifo->windex == (fifo->length - 1)))) { - return -1; - } - - // atomic FIFO access - __disable_irq(); - - // Put data into FIFO - ((uint16_t *)(fifo->data))[fifo->windex] = element; - - // Increment pointer - fifo->windex++; - if (fifo->windex == fifo->length) { - fifo->windex = 0; - } - - __enable_irq(); - - return 0; -} - -/****************************************************************************/ -int fifo_get16(fifo_t *fifo, uint16_t *element) { - // Check if FIFO is empty - if (fifo->rindex == fifo->windex) - return -1; - - // atomic FIFO access - __disable_irq(); - - // Get data from FIFO - *element = ((uint16_t *)(fifo->data))[fifo->rindex]; - - // Increment pointer - fifo->rindex++; - if (fifo->rindex == fifo->length) { - fifo->rindex = 0; - } - - __enable_irq(); - - return 0; -} - -/****************************************************************************/ -int fifo_put32(fifo_t *fifo, uint32_t element) { - // Check if FIFO is full - if ((fifo->windex == (fifo->rindex - 1)) || - ((fifo->rindex == 0) && (fifo->windex == (fifo->length - 1)))) { - return -1; - } - - // atomic FIFO access - __disable_irq(); - - // Put data into FIFO - ((uint32_t *)(fifo->data))[fifo->windex] = element; - - // Increment pointer - fifo->windex++; - if (fifo->windex == fifo->length) { - fifo->windex = 0; - } - - __enable_irq(); - - return 0; -} - -/****************************************************************************/ -int fifo_get32(fifo_t *fifo, uint32_t *element) { - // Check if FIFO is empty - if (fifo->rindex == fifo->windex) - return -1; - - // atomic FIFO access - __disable_irq(); - - // Get data from FIFO - *element = ((uint32_t *)(fifo->data))[fifo->rindex]; - - // Increment pointer - fifo->rindex++; - if (fifo->rindex == fifo->length) { - fifo->rindex = 0; - } - - __enable_irq(); - - return 0; -} -/****************************************************************************/ -void fifo_clear(fifo_t *fifo) { - // atomic FIFO access - __disable_irq(); - - fifo->rindex = 0; - fifo->windex = 0; - - __enable_irq(); -} - -/****************************************************************************/ -int fifo_empty(fifo_t *fifo) { return (fifo->rindex == fifo->windex); } - -/****************************************************************************/ -int fifo_full(fifo_t *fifo) { - int retval; - - // atomic FIFO access - __disable_irq(); - retval = ((fifo->windex == (fifo->rindex - 1)) || - ((fifo->rindex == 0) && (fifo->windex == (fifo->length - 1)))); - __enable_irq(); - - return retval; -} - -/****************************************************************************/ -unsigned int fifo_level(fifo_t *fifo) { - uint16_t value; - - // atomic FIFO access - __disable_irq(); - - if (fifo->windex >= fifo->rindex) { - value = fifo->windex - fifo->rindex; - } else { - value = fifo->length - fifo->rindex + fifo->windex; - } - - __enable_irq(); - - return value; -} - -/****************************************************************************/ -unsigned int fifo_remaining(fifo_t *fifo) { - uint16_t value; - - // atomic FIFO access - __disable_irq(); - - if (fifo->rindex > fifo->windex) { - value = fifo->rindex - fifo->windex - 1; - } else { - value = fifo->length - fifo->windex + fifo->rindex - 1; - } - - __enable_irq(); - - return value; -}