68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
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/*
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; Project: Open Vehicle Monitor System
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; Date: 14th March 2017
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;
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; Changes:
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; 1.0 Initial release
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;
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; (C) 2011 Michael Stegen / Stegen Electronics
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; (C) 2011-2017 Mark Webb-Johnson
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; (C) 2011 Sonny Chen @ EPRO/DX
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;
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; Permission is hereby granted, free of charge, to any person obtaining a copy
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; of this software and associated documentation files (the "Software"), to deal
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; in the Software without restriction, including without limitation the rights
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; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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; copies of the Software, and to permit persons to whom the Software is
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; furnished to do so, subject to the following conditions:
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;
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; The above copyright notice and this permission notice shall be included in
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; all copies or substantial portions of the Software.
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;
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; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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; THE SOFTWARE.
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*/
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#include <stdint.h>
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#include "pcp.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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#include "driver/gpio.h"
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//CSW #include "spi_master_nodma.h"
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#include "driver/spi_common.h" //CSW added
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#include "driver/spi_master.h"
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#ifndef __SPI_H__
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#define __SPI_H__
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class spi : public pcp, public InternalRamAllocated
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{
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public:
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spi(const char* name, int misopin, int mosipin, int clkpin);
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virtual ~spi();
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public:
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bool LockBus(TickType_t delay = portMAX_DELAY);
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void UnlockBus();
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//CSW uint8_t* spi_cmd(spi_nodma_device_handle_t spi, uint8_t* buf, int rxlen, int txlen, ...);
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uint8_t* spi_cmd(spi_device_handle_t spi, uint8_t* buf, int rxlen, int txlen, ...);
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//CSW esp_err_t spi_deselect(spi_nodma_device_handle_t spi);
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public:
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//CSWspi_nodma_bus_config_t m_buscfg;
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spi_bus_config_t m_buscfg;
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spi_host_device_t m_host;
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bool m_initialized;
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protected:
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SemaphoreHandle_t m_mtx;
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};
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#endif //#ifndef __SPI_H__
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