118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
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/*
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* Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
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*
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* Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
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* the the people's Republic of China and other countries.
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* All Allwinner Technology Co.,Ltd. trademarks are used with permission.
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*
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* DISCLAIMER
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* THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
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* IF YOU NEED TO INTEGRATE THIRD PARTY'S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
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* IN ALLWINNERS'SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
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* ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
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* ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
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* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
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* YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY'S TECHNOLOGY.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
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* PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
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* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
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* THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
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* OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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* IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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#include <hal_log.h>
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#include <hal_cmd.h>
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#include <sunxi_hal_twi.h>
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#define TEST_READ 0
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#define TEST_WRITE 1
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static int cmd_test_twi(int argc, const char **argv)
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{
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twi_msg_t msg;
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twi_port_t port;
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uint16_t addr;
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char reg_addr, reg_val = 0, rw = TEST_READ;
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int c;
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if (argc < 5)
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{
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hal_log_info("Usage:");
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hal_log_info("\ttwi [port] [slave_addr] [reg] -r");
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hal_log_info("\t -w [val]");
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return -1;
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}
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hal_log_info("Run twi test");
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port = strtol(argv[1], NULL, 0);
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addr = strtol(argv[2], NULL, 0);
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reg_addr = strtol(argv[3], NULL, 0);
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while ((c = getopt(argc, (char *const *)argv, "r:w")) != -1)
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{
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switch (c)
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{
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case 'r':
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hal_log_info("twi read test");
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rw = TEST_READ;
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break;
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case 'w':
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hal_log_info("twi write test");
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rw = TEST_WRITE;
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reg_val = strtol(argv[5], NULL, 0);
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break;
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default:
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hal_log_err("invalid param!");
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}
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}
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hal_twi_init(port);
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hal_twi_control(port, I2C_SLAVE, &addr);
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if (rw == TEST_READ)
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{
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hal_twi_read(port, reg_addr, ®_val, 1);
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hal_log_info("reg_val: 0x%x", reg_val);
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}
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else if (rw == TEST_WRITE)
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{
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/*
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* hal_twi_write bug workaround
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*/
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uint8_t buf[2];
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buf[0] = reg_addr;
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buf[1] = reg_val;
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msg.flags = 0;
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msg.addr = addr;
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msg.len = 2;
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msg.buf = buf;
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hal_twi_control(port, I2C_RDWR, &msg);
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}
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hal_log_info("Twi test finish");
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hal_twi_uninit(port);
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return 0;
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}
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FINSH_FUNCTION_EXPORT_CMD(cmd_test_twi, hal_twi, twi hal APIs tests)
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