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https://github.com/Telecominfraproject/OpenCellular.git
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3afd683d68
This patch adds tests for i2c_read8/16/32 and i2c_write8/16/32. BUG=chromium:653183 BRANCH=none TEST=make buildall. Run cts.py -m i2c for 100kHz with 10k ohms pull-up registers on SCL and SDA. TH=stm32l476g-eval DUT=nucleo-f072rb. Change-Id: I8121b1c5dc7542da45141543e35036ef41364c38 Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/393331 Reviewed-by: Randall Spangler <rspangler@chromium.org>
105 lines
1.8 KiB
C
105 lines
1.8 KiB
C
/* Copyright 2016 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "common.h"
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#include "cts_common.h"
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#include "cts_i2c.h"
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#include "dut_common.h"
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#include "i2c.h"
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#include "registers.h"
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#include "timer.h"
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#include "uart.h"
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#include "watchdog.h"
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#define TH_ADDR 0x3c
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enum cts_rc write8_test(void)
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{
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int port = i2c_ports[0].port;
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i2c_write8(port, TH_ADDR, WRITE_8_OFFSET, WRITE_8_DATA);
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return CTS_RC_SUCCESS;
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}
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enum cts_rc write16_test(void)
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{
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int port = i2c_ports[0].port;
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i2c_write16(port, TH_ADDR, WRITE_16_OFFSET, WRITE_16_DATA);
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return CTS_RC_SUCCESS;
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}
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enum cts_rc write32_test(void)
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{
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int port = i2c_ports[0].port;
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i2c_write32(port, TH_ADDR, WRITE_32_OFFSET, WRITE_32_DATA);
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return CTS_RC_SUCCESS;
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}
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enum cts_rc read8_test(void)
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{
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int result;
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int port = i2c_ports[0].port;
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i2c_read8(port, TH_ADDR, READ_8_OFFSET, &result);
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if (result != READ_8_DATA)
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return CTS_RC_FAILURE;
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return CTS_RC_SUCCESS;
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}
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enum cts_rc read16_test(void)
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{
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int result;
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int port = i2c_ports[0].port;
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i2c_read16(port, TH_ADDR, READ_16_OFFSET, &result);
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if (result != READ_16_DATA)
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return CTS_RC_FAILURE;
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return CTS_RC_SUCCESS;
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}
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enum cts_rc read32_test(void)
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{
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int result;
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int port = i2c_ports[0].port;
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i2c_read32(port, TH_ADDR, READ_32_OFFSET, &result);
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if (result != READ_32_DATA)
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return CTS_RC_FAILURE;
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return CTS_RC_SUCCESS;
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}
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#include "cts_testlist.h"
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void cts_task(void)
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{
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int i;
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cflush();
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for (i = 0; i < CTS_TEST_ID_COUNT; i++) {
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sync();
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CPRINTF("\n%s %d\n", tests[i].name, tests[i].run());
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uart_flush_output();
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}
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CPRINTS("I2C test suite finished");
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uart_flush_output();
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while (1) {
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watchdog_reload();
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sleep(1);
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}
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}
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