Statistics
| Branch: | Tag: | Revision:

amiro-os / unittests / periphery-lld / src / ut_alld_TLC5947_v1.c @ 2a9f9ad7

History | View | Annotate | Download (8.195 KB)

1 e545e620 Thomas Schöpping
/*
2
AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
3 84f0ce9e Thomas Schöpping
Copyright (C) 2016..2019  Thomas Schöpping et al.
4 e545e620 Thomas Schöpping

5
This program is free software: you can redistribute it and/or modify
6
it under the terms of the GNU General Public License as published by
7
the Free Software Foundation, either version 3 of the License, or
8
(at your option) any later version.
9

10
This program is distributed in the hope that it will be useful,
11
but WITHOUT ANY WARRANTY; without even the implied warranty of
12
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
GNU General Public License for more details.
14

15
You should have received a copy of the GNU General Public License
16
along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
*/
18
19 ddf34c3d Thomas Schöpping
#include <amiroos.h>
20 2a4dbf93 Thomas Schöpping
#include <ut_alld_TLC5947_v1.h>
21 e545e620 Thomas Schöpping
22 ddf34c3d Thomas Schöpping
#if ((AMIROOS_CFG_TESTS_ENABLE == true) && defined(AMIROLLD_CFG_TLC5947) && (AMIROLLD_CFG_TLC5947 == 1)) || defined(__DOXYGEN__)
23 e545e620 Thomas Schöpping
24
#include <string.h>
25 3940ba8a Thomas Schöpping
26 f3ac1c96 Thomas Schöpping
/******************************************************************************/
27
/* LOCAL DEFINITIONS                                                          */
28
/******************************************************************************/
29
30
/******************************************************************************/
31
/* EXPORTED VARIABLES                                                         */
32
/******************************************************************************/
33
34
/******************************************************************************/
35
/* LOCAL TYPES                                                                */
36
/******************************************************************************/
37
38
/******************************************************************************/
39
/* LOCAL VARIABLES                                                            */
40
/******************************************************************************/
41
42
/******************************************************************************/
43
/* LOCAL FUNCTIONS                                                            */
44
/******************************************************************************/
45
46
/******************************************************************************/
47
/* EXPORTED FUNCTIONS                                                         */
48
/******************************************************************************/
49 e545e620 Thomas Schöpping
50
/**
51
 * @brief   TLC9547 unit test function
52
 *
53
 * @param[in] stream  Stream for input/output.
54
 * @param[in] ut      Unit test object.
55
 *
56
 * @return            Unit test result value.
57
 */
58
aos_utresult_t utAlldTlc5947Func(BaseSequentialStream *stream, aos_unittest_t *ut)
59
{
60
  aosDbgCheck(ut->data != NULL);
61
62
  // local variables
63
  aos_utresult_t result = {0, 0};
64
  uint32_t status = 0;
65
  tlc5947_lld_blank_t blank;
66
  tlc5947_lld_buffer_t buffer;
67
68
  chprintf(stream, "reading blank pin...\n");
69
  status = tlc5947_lld_getBlank((TLC5947Driver*)ut->data, &blank);
70
  if (status == APAL_STATUS_OK) {
71
    aosUtPassedMsg(stream, &result, "blank is %s\n", (blank == TLC5947_LLD_BLANK_ENABLE) ? "enabled" : "disabled");
72
  } else {
73
    aosUtFailedMsg(stream, &result, "0x%08X\n", status);
74
  }
75
76
  // enabling/disabling blank pin
77
  for (uint8_t i = 0; i < 2; ++i) {
78
    blank = (blank == TLC5947_LLD_BLANK_ENABLE) ? TLC5947_LLD_BLANK_DISABLE : TLC5947_LLD_BLANK_ENABLE;
79
    tlc5947_lld_blank_t blank_after = (blank == TLC5947_LLD_BLANK_ENABLE) ? TLC5947_LLD_BLANK_DISABLE : TLC5947_LLD_BLANK_ENABLE;
80
    chprintf(stream, "%s blank pin...\n", (blank == TLC5947_LLD_BLANK_ENABLE) ? "enabling" : "disabling");
81
    status = tlc5947_lld_setBlank((TLC5947Driver*)ut->data, blank);
82
    status |= tlc5947_lld_getBlank((TLC5947Driver*)ut->data, &blank_after);
83
    if (status == APAL_STATUS_OK && blank_after == blank) {
84
      aosUtPassed(stream, &result);
85
    } else {
86
      aosUtFailedMsg(stream, &result, "0x%08X\n", status);
87
    }
88
  }
89
90
  chprintf(stream, "setting all black and dimming white...\n");
91
  status = tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_ENABLE);
92
  memset(buffer.data, 0, TLC5947_LLD_BUFFER_SIZE);
93
  status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer);
94
  status |= tlc5947_lld_update((TLC5947Driver*)ut->data);
95
  status |= tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_DISABLE);
96
  for (uint8_t bit = 0; bit < TLC5947_LLD_PWM_RESOLUTION_BITS; ++bit) {
97
    for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) {
98
      tlc5947_lld_setBuffer(&buffer, channel, (1 << (bit+1)) - 1);
99
    }
100
    status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer);
101
    status |= tlc5947_lld_update((TLC5947Driver*)ut->data);
102
    aosThdMSleep(100);
103
  }
104
  if (status == APAL_STATUS_OK) {
105
    aosUtPassed(stream, &result);
106
  } else {
107
    aosUtFailedMsg(stream, &result, "0x%08X\n", status);
108
  }
109
110
  chprintf(stream, "NOT dimming black again...\n");
111
  status = APAL_STATUS_OK;
112
  for (uint8_t bit = TLC5947_LLD_PWM_RESOLUTION_BITS; bit > 0; --bit) {
113
    for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) {
114
      tlc5947_lld_setBuffer(&buffer, channel, (1 << bit) - 1);
115
    }
116
    status |= tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_ENABLE);
117
    status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer);
118
    status |= tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_ENABLE);
119
    // Grayscale data is not updated this time (tlc5947_lld_update() not called).
120
    // TODO: For some reason the PWMs are updated nevertheless.
121
    aosThdMSleep(100);
122
  }
123
  status |= tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_ENABLE);
124
  if (status == APAL_STATUS_OK) {
125
    aosUtPassed(stream, &result);
126
  } else {
127
    aosUtFailedMsg(stream, &result, "0x%08X\n", status);
128
  }
129
130
  chprintf(stream, "setting each channel incrementally...\n");
131
  status = APAL_STATUS_OK;
132
  memset(buffer.data, 0, TLC5947_LLD_BUFFER_SIZE);
133
  status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer);
134
  status |= tlc5947_lld_update((TLC5947Driver*)ut->data);
135
  status |= tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_DISABLE);
136
  for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) {
137
    uint16_t value = 0x0000u;
138
    for (uint8_t byte = 0; byte < 3; ++byte) {
139
      switch (byte) {
140
        case 0:
141
          value |= 0x00Fu;
142
          break;
143
        case 1:
144
          value |= 0x0F0u;
145
          break;
146
        case 2:
147
          value |= 0xF00u;
148
          break;
149
      }
150
      tlc5947_lld_setBuffer(&buffer, channel, value);
151
      status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer);
152
      status |= tlc5947_lld_update((TLC5947Driver*)ut->data);
153
      aosThdSleep(1.0f / 3.0f);
154
      tlc5947_lld_setBuffer(&buffer, channel, 0);
155
    }
156
  }
157
  if (status == APAL_STATUS_OK) {
158
    aosUtPassed(stream, &result);
159
  } else {
160
    aosUtFailedMsg(stream, &result, "0x%08X\n", status);
161
  }
162
163
  chprintf(stream, "setting one color after another...\n");
164
  status = APAL_STATUS_OK;
165
  for (int8_t color = 0; color < 3; ++color) {
166
    for (uint8_t channel = color; channel < TLC5947_LLD_NUM_CHANNELS; channel += 3) {
167
      const uint16_t val = 0xAF5u; // some deterministic value with high entropy
168
      tlc5947_lld_setBuffer(&buffer, channel, val);
169
      status |= tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer);
170
      status |= tlc5947_lld_update((TLC5947Driver*)ut->data);
171
      status |= (tlc5947_lld_getBuffer(&buffer, channel) != val) ? (1 << 31) : 0;
172
      if (status != APAL_STATUS_OK) {
173
        break;
174
      } else {
175
        aosThdSleep(1.0f / 8.0f);
176
      }
177
    }
178
    for (uint8_t channel = 0; channel < TLC5947_LLD_NUM_CHANNELS; ++channel) {
179
      tlc5947_lld_setBuffer(&buffer, channel, 0);
180
    }
181
  }
182
  if (status == APAL_STATUS_OK) {
183
    aosUtPassed(stream, &result);
184
  } else {
185
    aosUtFailedMsg(stream, &result, "0x%08X\n", status);
186
  }
187
188
  // turn LEDs off
189
  tlc5947_lld_setBlank((TLC5947Driver*)ut->data, TLC5947_LLD_BLANK_ENABLE);
190
  memset(buffer.data, 0, TLC5947_LLD_BUFFER_SIZE);
191
  tlc5947_lld_write((TLC5947Driver*)ut->data, &buffer);
192
  tlc5947_lld_update((TLC5947Driver*)ut->data);
193
194
  aosUtInfoMsg(stream, "driver object memory footprint: %u bytes\n", sizeof(TLC5947Driver));
195
196
  return result;
197
}
198
199 ddf34c3d Thomas Schöpping
#endif /* (AMIROOS_CFG_TESTS_ENABLE == true) && defined(AMIROLLD_CFG_TLC5947) && (AMIROLLD_CFG_TLC5947 == 1) */