amiro-os / test / periphery-lld / TLC5947_v1 / aos_test_TLC5947.c @ b23ca7cc
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/*
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AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
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Copyright (C) 2016..2019 Thomas Schöpping et al.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <amiroos.h> |
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#include <aos_test_TLC5947.h> |
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#if (AMIROOS_CFG_TESTS_ENABLE == true) || defined(__DOXYGEN__) |
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#include <string.h> |
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/******************************************************************************/
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/* LOCAL DEFINITIONS */
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/******************************************************************************/
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/******************************************************************************/
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/* EXPORTED VARIABLES */
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/******************************************************************************/
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/******************************************************************************/
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/* LOCAL TYPES */
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/******************************************************************************/
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/******************************************************************************/
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/* LOCAL VARIABLES */
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/******************************************************************************/
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/******************************************************************************/
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/* LOCAL FUNCTIONS */
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/******************************************************************************/
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/******************************************************************************/
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/* EXPORTED FUNCTIONS */
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/******************************************************************************/
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/**
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* @brief TLC9547 test function
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*
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* @param[in] stream Stream for input/output.
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* @param[in] test Test object.
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*
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* @return Test result value.
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*/
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aos_testresult_t aosTestTlc5947Func(BaseSequentialStream *stream, const aos_test_t *test)
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{
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aosDbgCheck(test->data != NULL && ((aos_test_tlc5947data_t*)test->data)->driver != NULL); |
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// local variables
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aos_testresult_t result = {0, 0};
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int32_t status; |
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tlc5947_lld_blank_t blank; |
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tlc5947_lld_buffer_t buffer; |
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chprintf(stream, "reading blank pin...\n");
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status = tlc5947_lld_getBlank(((aos_test_tlc5947data_t*)test->data)->driver, &blank); |
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if (status == APAL_STATUS_OK) {
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aosTestPassedMsg(stream, &result, "blank is %s\n", (blank == TLC5947_LLD_BLANK_ENABLE) ? "enabled" : "disabled"); |
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} else {
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aosTestFailedMsg(stream, &result, "0x%08X\n", status);
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} |
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// enabling/disabling blank pin
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for (uint8_t i = 0; i < 2; ++i) { |
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blank = (blank == TLC5947_LLD_BLANK_ENABLE) ? TLC5947_LLD_BLANK_DISABLE : TLC5947_LLD_BLANK_ENABLE; |
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tlc5947_lld_blank_t blank_after = (blank == TLC5947_LLD_BLANK_ENABLE) ? TLC5947_LLD_BLANK_DISABLE : TLC5947_LLD_BLANK_ENABLE; |
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chprintf(stream, "%s blank pin...\n", (blank == TLC5947_LLD_BLANK_ENABLE) ? "enabling" : "disabling"); |
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status = tlc5947_lld_setBlank(((aos_test_tlc5947data_t*)test->data)->driver, blank); |
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status |= tlc5947_lld_getBlank(((aos_test_tlc5947data_t*)test->data)->driver, &blank_after); |
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if (status == APAL_STATUS_OK && blank_after == blank) {
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aosTestPassed(stream, &result); |
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} else {
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aosTestFailedMsg(stream, &result, "0x%08X\n", status);
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} |
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} |
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chprintf(stream, "setting all black and dimming white...\n");
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status = tlc5947_lld_setBlank(((aos_test_tlc5947data_t*)test->data)->driver, TLC5947_LLD_BLANK_ENABLE); |
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memset(buffer.data, 0, TLC5947_LLD_BUFFER_SIZE);
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status |= tlc5947_lld_write(((aos_test_tlc5947data_t*)test->data)->driver, &buffer); |
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status |= tlc5947_lld_update(((aos_test_tlc5947data_t*)test->data)->driver); |
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status |= tlc5947_lld_setBlank(((aos_test_tlc5947data_t*)test->data)->driver, TLC5947_LLD_BLANK_DISABLE); |
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for (uint8_t bit = 0; bit < TLC5947_LLD_PWM_RESOLUTION_BITS; ++bit) { |
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for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) { |
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tlc5947_lld_setBuffer(&buffer, channel, (1 << (bit+1)) - 1); |
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} |
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status |= tlc5947_lld_write(((aos_test_tlc5947data_t*)test->data)->driver, &buffer); |
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status |= tlc5947_lld_update(((aos_test_tlc5947data_t*)test->data)->driver); |
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aosThdMSleep(100);
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} |
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if (status == APAL_STATUS_OK || status == APAL_STATUS_WARNING) {
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aosTestPassed(stream, &result); |
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} else {
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aosTestFailedMsg(stream, &result, "0x%08X\n", status);
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} |
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chprintf(stream, "NOT dimming black again...\n");
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status = APAL_STATUS_OK; |
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for (uint8_t bit = TLC5947_LLD_PWM_RESOLUTION_BITS; bit > 0; --bit) { |
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for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) { |
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tlc5947_lld_setBuffer(&buffer, channel, (1 << bit) - 1); |
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} |
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status |= tlc5947_lld_setBlank(((aos_test_tlc5947data_t*)test->data)->driver, TLC5947_LLD_BLANK_ENABLE); |
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status |= tlc5947_lld_write(((aos_test_tlc5947data_t*)test->data)->driver, &buffer); |
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status |= tlc5947_lld_setBlank(((aos_test_tlc5947data_t*)test->data)->driver, TLC5947_LLD_BLANK_ENABLE); |
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// Grayscale data is not updated this time (tlc5947_lld_update() not called).
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// TODO: For some reason the PWMs are updated nevertheless.
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aosThdMSleep(100);
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} |
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status |= tlc5947_lld_setBlank(((aos_test_tlc5947data_t*)test->data)->driver, TLC5947_LLD_BLANK_ENABLE); |
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if (status == APAL_STATUS_OK || status == APAL_STATUS_WARNING) {
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aosTestPassed(stream, &result); |
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} else {
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aosTestFailedMsg(stream, &result, "0x%08X\n", status);
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} |
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chprintf(stream, "setting each channel incrementally...\n");
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status = APAL_STATUS_OK; |
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memset(buffer.data, 0, TLC5947_LLD_BUFFER_SIZE);
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status |= tlc5947_lld_write(((aos_test_tlc5947data_t*)test->data)->driver, &buffer); |
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status |= tlc5947_lld_update(((aos_test_tlc5947data_t*)test->data)->driver); |
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status |= tlc5947_lld_setBlank(((aos_test_tlc5947data_t*)test->data)->driver, TLC5947_LLD_BLANK_DISABLE); |
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for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) { |
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uint16_t value = 0x0000u;
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for (uint8_t byte = 0; byte < 3; ++byte) { |
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switch (byte) {
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case 0: |
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value |= 0x00Fu;
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break;
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case 1: |
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value |= 0x0F0u;
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break;
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case 2: |
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value |= 0xF00u;
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break;
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} |
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tlc5947_lld_setBuffer(&buffer, channel, value); |
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status |= tlc5947_lld_write(((aos_test_tlc5947data_t*)test->data)->driver, &buffer); |
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status |= tlc5947_lld_update(((aos_test_tlc5947data_t*)test->data)->driver); |
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aosThdSleep(10.0f / TLC5947_LLD_NUM_CHANNELS / 3.0f); |
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tlc5947_lld_setBuffer(&buffer, channel, 0);
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} |
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} |
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if (status == APAL_STATUS_OK || status == APAL_STATUS_WARNING) {
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aosTestPassed(stream, &result); |
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} else {
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aosTestFailedMsg(stream, &result, "0x%08X\n", status);
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} |
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chprintf(stream, "setting one color after another...\n");
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status = APAL_STATUS_OK; |
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for (uint8_t color = 0; color < 3; ++color) { |
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for (uint8_t channel = color; channel < TLC5947_LLD_NUM_CHANNELS; channel += 3) { |
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const uint16_t val = 0xAF5u; // some deterministic value with high entropy |
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tlc5947_lld_setBuffer(&buffer, channel, val); |
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status |= tlc5947_lld_write(((aos_test_tlc5947data_t*)test->data)->driver, &buffer); |
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status |= tlc5947_lld_update(((aos_test_tlc5947data_t*)test->data)->driver); |
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status |= (tlc5947_lld_getBuffer(&buffer, channel) != val) ? ((int32_t)1 << 30) : 0; |
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if (status != APAL_STATUS_OK) {
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break;
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} else {
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aosThdSleep(10.0f / TLC5947_LLD_NUM_CHANNELS / 3.0f); |
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} |
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} |
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for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) { |
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tlc5947_lld_setBuffer(&buffer, channel, 0);
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} |
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} |
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if (status == APAL_STATUS_OK || status == APAL_STATUS_WARNING) {
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aosTestPassed(stream, &result); |
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} else {
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aosTestFailedMsg(stream, &result, "0x%08X\n", status);
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} |
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// turn LEDs off
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tlc5947_lld_setBlank(((aos_test_tlc5947data_t*)test->data)->driver, TLC5947_LLD_BLANK_ENABLE); |
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memset(buffer.data, 0, TLC5947_LLD_BUFFER_SIZE);
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tlc5947_lld_write(((aos_test_tlc5947data_t*)test->data)->driver, &buffer); |
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tlc5947_lld_update(((aos_test_tlc5947data_t*)test->data)->driver); |
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aosTestInfoMsg(stream, "driver object memory footprint: %u bytes\n", sizeof(TLC5947Driver)); |
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return result;
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} |
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#endif /* (AMIROOS_CFG_TESTS_ENABLE == true) */ |