amiro-os / unittests / periphery-lld / src / ut_alld_tlc5947.c @ 3940ba8a
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| 1 | e545e620 | Thomas Schöpping | /*
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| 2 | AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
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| 3 | 84f0ce9e | Thomas Schöpping | Copyright (C) 2016..2019 Thomas Schöpping et al.
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| 4 | e545e620 | Thomas Schöpping | |
| 5 | This program is free software: you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation, either version 3 of the License, or
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| 8 | (at your option) any later version.
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| 9 | |||
| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 | |||
| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 17 | */
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| 18 | |||
| 19 | #include <ut_alld_tlc5947.h> |
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| 20 | |||
| 21 | #if ((AMIROOS_CFG_TESTS_ENABLE == true) && defined(AMIROLLD_CFG_USE_TLC5947)) || defined(__DOXYGEN__) |
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| 22 | |||
| 23 | #include <string.h> |
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| 24 | 3940ba8a | Thomas Schöpping | |
| 25 | f3ac1c96 | Thomas Schöpping | /******************************************************************************/
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| 26 | /* LOCAL DEFINITIONS */
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| 27 | /******************************************************************************/
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| 28 | |||
| 29 | /******************************************************************************/
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| 30 | /* EXPORTED VARIABLES */
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| 31 | /******************************************************************************/
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| 32 | |||
| 33 | /******************************************************************************/
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| 34 | /* LOCAL TYPES */
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| 35 | /******************************************************************************/
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| 36 | |||
| 37 | /******************************************************************************/
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| 38 | /* LOCAL VARIABLES */
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| 39 | /******************************************************************************/
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| 40 | |||
| 41 | /******************************************************************************/
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| 42 | /* LOCAL FUNCTIONS */
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| 43 | /******************************************************************************/
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| 44 | |||
| 45 | /******************************************************************************/
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| 46 | /* EXPORTED FUNCTIONS */
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| 47 | /******************************************************************************/
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| 48 | e545e620 | Thomas Schöpping | |
| 49 | /**
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| 50 | * @brief TLC9547 unit test function
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| 51 | *
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| 52 | * @param[in] stream Stream for input/output.
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| 53 | * @param[in] ut Unit test object.
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| 54 | *
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| 55 | * @return Unit test result value.
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| 56 | */
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| 57 | aos_utresult_t utAlldTlc5947Func(BaseSequentialStream *stream, aos_unittest_t *ut) |
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| 58 | {
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| 59 | aosDbgCheck(ut->data != NULL);
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| 60 | |||
| 61 | // local variables
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| 62 | aos_utresult_t result = {0, 0};
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| 63 | uint32_t status = 0;
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| 64 | tlc5947_lld_blank_t blank; |
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| 65 | tlc5947_lld_buffer_t buffer; |
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| 66 | |||
| 67 | chprintf(stream, "reading blank pin...\n");
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| 68 | status = tlc5947_lld_getBlank((TLC5947Driver*)ut->data, &blank); |
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| 69 | if (status == APAL_STATUS_OK) {
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| 70 | aosUtPassedMsg(stream, &result, "blank is %s\n", (blank == TLC5947_LLD_BLANK_ENABLE) ? "enabled" : "disabled"); |
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| 71 | } else {
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| 72 | aosUtFailedMsg(stream, &result, "0x%08X\n", status);
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| 73 | } |
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| 74 | |||
| 75 | // enabling/disabling blank pin
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| 76 | for (uint8_t i = 0; i < 2; ++i) { |
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| 77 | blank = (blank == TLC5947_LLD_BLANK_ENABLE) ? TLC5947_LLD_BLANK_DISABLE : TLC5947_LLD_BLANK_ENABLE; |
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| 78 | tlc5947_lld_blank_t blank_after = (blank == TLC5947_LLD_BLANK_ENABLE) ? TLC5947_LLD_BLANK_DISABLE : TLC5947_LLD_BLANK_ENABLE; |
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| 79 | chprintf(stream, "%s blank pin...\n", (blank == TLC5947_LLD_BLANK_ENABLE) ? "enabling" : "disabling"); |
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| 80 | status = tlc5947_lld_setBlank((TLC5947Driver*)ut->data, blank); |
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| 81 | status |= tlc5947_lld_getBlank((TLC5947Driver*)ut->data, &blank_after); |
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| 82 | if (status == APAL_STATUS_OK && blank_after == blank) {
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| 83 | aosUtPassed(stream, &result); |
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| 84 | } else {
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| 85 | aosUtFailedMsg(stream, &result, "0x%08X\n", status);
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| 86 | } |
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| 87 | } |
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| 88 | |||
| 89 | chprintf(stream, "setting all black and dimming white...\n");
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| 90 | status = tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_ENABLE); |
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| 91 | memset(buffer.data, 0, TLC5947_LLD_BUFFER_SIZE);
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| 92 | status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer); |
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| 93 | status |= tlc5947_lld_update((TLC5947Driver*)ut->data); |
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| 94 | status |= tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_DISABLE); |
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| 95 | for (uint8_t bit = 0; bit < TLC5947_LLD_PWM_RESOLUTION_BITS; ++bit) { |
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| 96 | for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) { |
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| 97 | tlc5947_lld_setBuffer(&buffer, channel, (1 << (bit+1)) - 1); |
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| 98 | } |
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| 99 | status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer); |
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| 100 | status |= tlc5947_lld_update((TLC5947Driver*)ut->data); |
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| 101 | aosThdMSleep(100);
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| 102 | } |
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| 103 | if (status == APAL_STATUS_OK) {
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| 104 | aosUtPassed(stream, &result); |
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| 105 | } else {
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| 106 | aosUtFailedMsg(stream, &result, "0x%08X\n", status);
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| 107 | } |
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| 108 | |||
| 109 | chprintf(stream, "NOT dimming black again...\n");
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| 110 | status = APAL_STATUS_OK; |
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| 111 | for (uint8_t bit = TLC5947_LLD_PWM_RESOLUTION_BITS; bit > 0; --bit) { |
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| 112 | for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) { |
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| 113 | tlc5947_lld_setBuffer(&buffer, channel, (1 << bit) - 1); |
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| 114 | } |
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| 115 | status |= tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_ENABLE); |
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| 116 | status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer); |
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| 117 | status |= tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_ENABLE); |
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| 118 | // Grayscale data is not updated this time (tlc5947_lld_update() not called).
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| 119 | // TODO: For some reason the PWMs are updated nevertheless.
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| 120 | aosThdMSleep(100);
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| 121 | } |
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| 122 | status |= tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_ENABLE); |
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| 123 | if (status == APAL_STATUS_OK) {
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| 124 | aosUtPassed(stream, &result); |
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| 125 | } else {
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| 126 | aosUtFailedMsg(stream, &result, "0x%08X\n", status);
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| 127 | } |
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| 128 | |||
| 129 | chprintf(stream, "setting each channel incrementally...\n");
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| 130 | status = APAL_STATUS_OK; |
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| 131 | memset(buffer.data, 0, TLC5947_LLD_BUFFER_SIZE);
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| 132 | status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer); |
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| 133 | status |= tlc5947_lld_update((TLC5947Driver*)ut->data); |
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| 134 | status |= tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_DISABLE); |
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| 135 | for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) { |
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| 136 | uint16_t value = 0x0000u;
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| 137 | for (uint8_t byte = 0; byte < 3; ++byte) { |
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| 138 | switch (byte) {
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| 139 | case 0: |
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| 140 | value |= 0x00Fu;
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| 141 | break;
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| 142 | case 1: |
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| 143 | value |= 0x0F0u;
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| 144 | break;
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| 145 | case 2: |
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| 146 | value |= 0xF00u;
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| 147 | break;
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| 148 | } |
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| 149 | tlc5947_lld_setBuffer(&buffer, channel, value); |
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| 150 | status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer); |
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| 151 | status |= tlc5947_lld_update((TLC5947Driver*)ut->data); |
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| 152 | aosThdSleep(1.0f / 3.0f); |
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| 153 | tlc5947_lld_setBuffer(&buffer, channel, 0);
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| 154 | } |
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| 155 | } |
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| 156 | if (status == APAL_STATUS_OK) {
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| 157 | aosUtPassed(stream, &result); |
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| 158 | } else {
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| 159 | aosUtFailedMsg(stream, &result, "0x%08X\n", status);
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| 160 | } |
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| 161 | |||
| 162 | chprintf(stream, "setting one color after another...\n");
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| 163 | status = APAL_STATUS_OK; |
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| 164 | for (int8_t color = 0; color < 3; ++color) { |
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| 165 | for (uint8_t channel = color; channel < TLC5947_LLD_NUM_CHANNELS; channel += 3) { |
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| 166 | const uint16_t val = 0xAF5u; // some deterministic value with high entropy |
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| 167 | tlc5947_lld_setBuffer(&buffer, channel, val); |
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| 168 | status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer); |
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| 169 | status |= tlc5947_lld_update((TLC5947Driver*)ut->data); |
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| 170 | status |= (tlc5947_lld_getBuffer(&buffer, channel) != val) ? (1 << 31) : 0; |
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| 171 | if (status != APAL_STATUS_OK) {
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| 172 | break;
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| 173 | } else {
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| 174 | aosThdSleep(1.0f / 8.0f); |
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| 175 | } |
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| 176 | } |
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| 177 | for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) { |
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| 178 | tlc5947_lld_setBuffer(&buffer, channel, 0);
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| 179 | } |
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| 180 | } |
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| 181 | if (status == APAL_STATUS_OK) {
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| 182 | aosUtPassed(stream, &result); |
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| 183 | } else {
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| 184 | aosUtFailedMsg(stream, &result, "0x%08X\n", status);
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| 185 | } |
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| 186 | |||
| 187 | // turn LEDs off
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| 188 | tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_ENABLE); |
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| 189 | memset(buffer.data, 0, TLC5947_LLD_BUFFER_SIZE);
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| 190 | tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer); |
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| 191 | tlc5947_lld_update((TLC5947Driver*)ut->data); |
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| 192 | |||
| 193 | aosUtInfoMsg(stream, "driver object memory footprint: %u bytes\n", sizeof(TLC5947Driver)); |
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| 194 | |||
| 195 | return result;
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| 196 | } |
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| 197 | |||
| 198 | #endif /* (AMIROOS_CFG_TESTS_ENABLE == true) && defined(AMIROLLD_CFG_USE_TLC5947) */ |