mbed-os/components/testing/COMPONENT_FPGA_CI_TEST_SHIELD/SPITester.h

128 lines
4.3 KiB
C++

/*
* Copyright (c) 2019, Arm Limited and affiliates.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed 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.
*/
#ifndef SPI_TESTER_H
#define SPI_TESTER_H
#include "MbedTester.h"
class SPITester: public MbedTester {
public:
enum SpiMode {
Mode0 = 0,
Mode1 = 1,
Mode2 = 2,
Mode3 = 3
};
enum SpiBitOrder {
MSBFirst = 0,
LSBFirst = 1
};
enum SpiDuplex {
FullDuplex = 0,
HalfDuplex = 1
};
SPITester(const PinList *form_factor, const PinList *exclude_pins)
: MbedTester(form_factor, exclude_pins)
{
}
protected:
/*
* Read the number of transfers which have occurred
*
* return The number of SPI transfers that have completed since
* spi was reset.
*/
uint16_t get_transfer_count(uint32_t addr_transfers, uint32_t size_transfers);
/*
* Read a checksum of data send to the tester
*
* param addr_checksum Address of the FPGA checksum reg.
* param size_checksum Size of the FPGA checksum reg.
*
* return The sum of all bytes sent to the tester since reset.
*/
uint32_t get_receive_checksum(uint32_t addr_checksum, uint32_t size_checksum);
/*
* Set the clock mode of the spi_slave module.
*
* param mode Spi clock mode
* param addr_spi_ctrl Address of the FPGA spi control reg.
* param size_spi_ctrl Size of the FPGA FPGA spi control reg.
* param offset_clk_mode Clock mode offset.
* param size_clk_mode Clock mode size.
*/
void set_mode(SpiMode mode, uint32_t addr_spi_ctrl, uint32_t size_spi_ctrl, uint32_t offset_clk_mode, uint32_t size_clk_mode);
/*
* Set bit order durring transmission of the spi_slave module.
*
* param bit_order Spi clock mode
* param addr_spi_ctrl Address of the FPGA spi control reg.
* param size_spi_ctrl Size of the FPGA FPGA spi control reg.
* param offset_bit_order Bit order offset.
* param size_bit_order Bit order size.
*/
void set_bit_order(SpiBitOrder bit_order, uint32_t addr_spi_ctrl, uint32_t size_spi_ctrl, uint32_t offset_bit_order, uint32_t size_bit_order);
/*
* Set symbol size used durring transmission of the spi_slave module.
*
* param sym_size Spi symbol size
* param addr_spi_ctrl Address of the FPGA spi control reg.
* param size_spi_ctrl Size of the FPGA FPGA spi control reg.
* param offset_sym_size Symbol size offset.
* param size_sym_size Symbol size size.
*/
void set_sym_size(uint32_t sym_size, uint32_t addr_spi_ctrl, uint32_t size_spi_ctrl, uint32_t offset_sym_size, uint32_t size_sym_size);
/*
* Set full-duplex/half-duplex transmission mode of the spi_slave module.
*
* param duplex Duplex mode used for the transmission
* param addr_spi_ctrl Address of the FPGA spi control reg.
* param size_spi_ctrl Size of the FPGA FPGA spi control reg.
* param offset_duplex Duplex mode offset.
* param size_duplex Duplex mode size.
*/
void set_duplex_mode(SpiDuplex duplex, uint32_t addr_spi_ctrl, uint32_t size_spi_ctrl, uint32_t offset_duplex, uint32_t size_duplex);
/*
* Set tx/rx symbol count.
*
* tx_cnt TX symbol count
* rx_cnt RX symbol count
* param addr_hd_rx_cnt Address of the FPGA half duplex RX count reg.
* param size_hd_rx_cnt Size of the FPGA half duplex RX count reg.
* param addr_hd_tx_cnt Address of the FPGA half duplex TX count reg.
* param size_hd_tx_cnt Size of the FPGA half duplex TX count reg.
*
* note Required only in Half-Duplex mode.
*/
void set_hd_tx_rx_cnt(uint16_t tx_cnt, uint16_t rx_cnt, uint32_t addr_hd_rx_cnt, uint32_t size_hd_rx_cnt, uint32_t addr_hd_tx_cnt, uint32_t size_hd_tx_cnt);
};
#endif