-
Notifications
You must be signed in to change notification settings - Fork 7k
/
test_adc_common.c
394 lines (360 loc) · 13.1 KB
/
test_adc_common.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
/*
* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*
Tests for the adc device driver
*/
#include "esp_system.h"
#include "driver/adc.h"
#include "driver/rtc_io.h"
#include "driver/gpio.h"
#include "unity.h"
#include "esp_system.h"
#include "esp_event.h"
#include "esp_wifi.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "test_utils.h"
#include "soc/adc_periph.h"
#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S3,ESP32C3)
#include "driver/dac.h"
static const char *TAG = "test_adc";
#ifdef CONFIG_IDF_TARGET_ESP32
#define ADC1_TEST_WIDTH ADC_WIDTH_BIT_12
#define ADC2_TEST_WIDTH ADC_WIDTH_BIT_12
#elif defined CONFIG_IDF_TARGET_ESP32S2
#define ADC1_TEST_WIDTH ADC_WIDTH_BIT_13 //ESP32S2 only support 13 bit width
#define ADC2_TEST_WIDTH ADC_WIDTH_BIT_13 //ESP32S2 only support 13 bit width
#endif
#define ADC1_TEST_ATTEN ADC_ATTEN_DB_12
#define ADC2_TEST_ATTEN ADC_ATTEN_DB_12
#if CONFIG_IDF_TARGET_ESP32
#define ADC1_TEST_CHANNEL_NUM 8
#elif CONFIG_IDF_TARGET_ESP32S2
#define ADC1_TEST_CHANNEL_NUM 10
#endif
#define ADC2_TEST_CHANNEL_NUM 6
static const int adc1_ch[ADC1_TEST_CHANNEL_NUM] = {
ADC1_CHANNEL_0,
ADC1_CHANNEL_1,
ADC1_CHANNEL_2,
ADC1_CHANNEL_3,
ADC1_CHANNEL_4,
ADC1_CHANNEL_5,
ADC1_CHANNEL_6,
ADC1_CHANNEL_7,
#if CONFIG_IDF_TARGET_ESP32S2
ADC1_CHANNEL_8,
ADC1_CHANNEL_9,
#endif
};
static const int adc2_ch[ADC2_TEST_CHANNEL_NUM] = {
ADC2_CHANNEL_0,
ADC2_CHANNEL_1,
ADC2_CHANNEL_2,
ADC2_CHANNEL_3,
ADC2_CHANNEL_4,
ADC2_CHANNEL_5,
};
#define ADC_GET_IO_NUM(periph, channel) (adc_channel_io_map[periph][channel])
void adc_fake_tie_middle(adc_unit_t adc_unit, adc_channel_t channel)
{
gpio_num_t gpio_num = 0;
if (adc_unit & ADC_UNIT_1) {
gpio_num = ADC_GET_IO_NUM(0, channel);
TEST_ESP_OK(rtc_gpio_init(gpio_num));
TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num));
TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num));
TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_PULLDOWN));
TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED));
}
if (adc_unit & ADC_UNIT_2) {
gpio_num = ADC_GET_IO_NUM(1, channel);
TEST_ESP_OK(rtc_gpio_init(gpio_num));
TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num));
TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num));
TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_PULLDOWN));
TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED));
}
vTaskDelay(10 / portTICK_RATE_MS);
}
void adc_fake_tie_high(adc_unit_t adc_unit, adc_channel_t channel)
{
gpio_num_t gpio_num = 0;
if (adc_unit & ADC_UNIT_1) {
gpio_num = ADC_GET_IO_NUM(0, channel);
TEST_ESP_OK(rtc_gpio_init(gpio_num));
TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num));
TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num));
TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_ONLY));
TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY));
TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 1));
}
if (adc_unit & ADC_UNIT_2) {
gpio_num = ADC_GET_IO_NUM(1, channel);
TEST_ESP_OK(rtc_gpio_init(gpio_num));
TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num));
TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num));
TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_ONLY));
TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY));
TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 1));
}
vTaskDelay(10 / portTICK_RATE_MS);
}
void adc_fake_tie_low(adc_unit_t adc_unit, adc_channel_t channel)
{
gpio_num_t gpio_num = 0;
if (adc_unit & ADC_UNIT_1) {
gpio_num = ADC_GET_IO_NUM(0, channel);
TEST_ESP_OK(rtc_gpio_init(gpio_num));
TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num));
TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num));
TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLDOWN_ONLY));
TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY));
TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 0));
}
if (adc_unit & ADC_UNIT_2) {
gpio_num = ADC_GET_IO_NUM(1, channel);
TEST_ESP_OK(rtc_gpio_init(gpio_num));
TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num));
TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num));
TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLDOWN_ONLY));
TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY));
TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 0));
}
vTaskDelay(10 / portTICK_RATE_MS);
}
void adc_io_normal(adc_unit_t adc_unit, adc_channel_t channel)
{
gpio_num_t gpio_num = 0;
if (adc_unit & ADC_UNIT_1) {
gpio_num = ADC_GET_IO_NUM(0, channel);
TEST_ESP_OK(rtc_gpio_init(gpio_num));
TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num));
TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num));
TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_FLOATING));
TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED));
}
if (adc_unit & ADC_UNIT_2) {
gpio_num = ADC_GET_IO_NUM(1, channel);
TEST_ESP_OK(rtc_gpio_init(gpio_num));
TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num));
TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num));
TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_FLOATING));
TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED));
}
vTaskDelay(10 / portTICK_RATE_MS);
}
TEST_CASE("ADC1 rtc read", "[adc1]")
{
int adc1_val[ADC1_TEST_CHANNEL_NUM] = {0};
/* adc1 Configure */
adc1_config_width(ADC1_TEST_WIDTH);
ESP_LOGI(TAG, "ADC1 [CH - GPIO]:");
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
TEST_ESP_OK( adc1_config_channel_atten(adc1_ch[i], ADC1_TEST_ATTEN) );
ESP_LOGI(TAG, "[CH%d - IO%d]:", adc1_ch[i], ADC_GET_IO_NUM(0, adc1_ch[i]));
}
printf("ADC tie normal read: ");
vTaskDelay(10 / portTICK_RATE_MS);
/* adc Read */
printf("ADC1: ");
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
adc1_val[i] = adc1_get_raw((adc1_channel_t)adc1_ch[i]);
printf("CH%d-%d ", adc1_ch[i], adc1_val[i]);
}
printf("\n");
/* tie high */
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
adc_fake_tie_high(ADC_UNIT_1, adc1_ch[i]);
}
printf("ADC tie high read: ");
vTaskDelay(50 / portTICK_RATE_MS);
/* adc Read */
printf("ADC1: ");
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
adc1_val[i] = adc1_get_raw((adc1_channel_t)adc1_ch[i]);
printf("CH%d-%d ", adc1_ch[i], adc1_val[i]);
#ifdef CONFIG_IDF_TARGET_ESP32S2
TEST_ASSERT_EQUAL( adc1_val[i], 0x1fff );
#endif
}
printf("\n");
/* tie low */
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
adc_fake_tie_low(ADC_UNIT_1, adc1_ch[i]);
}
printf("ADC tie low read: ");
vTaskDelay(50 / portTICK_RATE_MS);
/* adc Read */
printf("ADC1: ");
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
adc1_val[i] = adc1_get_raw((adc1_channel_t)adc1_ch[i]);
printf("CH%d-%d ", adc1_ch[i], adc1_val[i]);
#ifdef CONFIG_IDF_TARGET_ESP32S2
TEST_ASSERT_INT_WITHIN( 100, 0, adc1_val[i] );
#endif
}
printf("\n");
/* tie midedle */
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
adc_fake_tie_middle(ADC_UNIT_1, adc1_ch[i]);
}
printf("ADC tie mid read: ");
vTaskDelay(50 / portTICK_RATE_MS);
/* adc Read */
printf("ADC1: ");
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
adc1_val[i] = adc1_get_raw((adc1_channel_t)adc1_ch[i]);
printf("CH%d-%d ", adc1_ch[i], adc1_val[i]);
#ifdef CONFIG_IDF_TARGET_ESP32S2
TEST_ASSERT_NOT_EQUAL( adc1_val[i], 0x1fff );
TEST_ASSERT_NOT_EQUAL( adc1_val[i], 0 );
#endif
}
printf("\n");
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
adc_io_normal(ADC_UNIT_1, adc1_ch[i]);
}
}
TEST_CASE("ADC2 rtc read", "[adc2]")
{
int adc2_val[ADC2_TEST_CHANNEL_NUM] = {0};
/* adc2 Configure */
ESP_LOGI(TAG, "ADC2 [CH - GPIO]:");
for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
TEST_ESP_OK( adc2_config_channel_atten(adc2_ch[i], ADC2_TEST_ATTEN) );
ESP_LOGI(TAG, "[CH%d - IO%d]:", adc2_ch[i], ADC_GET_IO_NUM(1, adc2_ch[i]));
}
printf("ADC float read: ");
vTaskDelay(10 / portTICK_RATE_MS);
/* adc Read */
printf("ADC2: ");
for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
TEST_ESP_OK( adc2_get_raw((adc2_channel_t)adc2_ch[i], ADC2_TEST_WIDTH, &adc2_val[i]) );
printf("CH%d-%d ", adc2_ch[i], adc2_val[i]);
}
printf("\n");
/* tie high */
for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
adc_fake_tie_high(ADC_UNIT_2, adc2_ch[i]);
}
printf("ADC tie high read: ");
vTaskDelay(10 / portTICK_RATE_MS);
/* adc Read */
printf("ADC2: ");
for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
TEST_ESP_OK( adc2_get_raw((adc2_channel_t)adc2_ch[i], ADC2_TEST_WIDTH, &adc2_val[i]) );
printf("CH%d-%d ", adc2_ch[i], adc2_val[i]);
#ifdef CONFIG_IDF_TARGET_ESP32S2
TEST_ASSERT_EQUAL( adc2_val[i], 0x1fff );
#endif
}
printf("\n");
/* tie low */
for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
adc_fake_tie_low(ADC_UNIT_2, adc2_ch[i]);
}
printf("ADC tie low read: ");
vTaskDelay(10 / portTICK_RATE_MS);
/* adc Read */
printf("ADC2: ");
for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
TEST_ESP_OK( adc2_get_raw((adc2_channel_t)adc2_ch[i], ADC2_TEST_WIDTH, &adc2_val[i]) );
printf("CH%d-%d ", adc2_ch[i], adc2_val[i]);
#ifdef CONFIG_IDF_TARGET_ESP32S2
TEST_ASSERT_INT_WITHIN( 100, 0, adc2_val[i] );
#endif
}
printf("\n");
/* tie midedle */
for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
adc_fake_tie_middle(ADC_UNIT_2, adc2_ch[i]);
}
printf("ADC tie middle read: ");
vTaskDelay(10 / portTICK_RATE_MS);
/* adc Read */
printf("ADC2: ");
for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
TEST_ESP_OK( adc2_get_raw((adc2_channel_t)adc2_ch[i], ADC2_TEST_WIDTH, &adc2_val[i]) );
printf("CH%d-%d ", adc2_ch[i], adc2_val[i]);
#ifdef CONFIG_IDF_TARGET_ESP32S2
TEST_ASSERT_NOT_EQUAL( 0, adc2_val[i] );
TEST_ASSERT_NOT_EQUAL( 0x1fff, adc2_val[i] );
#endif
}
printf("\n");
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
adc_io_normal(ADC_UNIT_1, adc1_ch[i]);
}
}
#include "touch_scope.h"
/**
* 0: ADC1 channels raw data debug.
* 1: ADC2 channels raw data debug.
*/
#define SCOPE_DEBUG_TYPE 1
#define SCOPE_DEBUG_CHANNEL_MAX (10)
#define SCOPE_DEBUG_ENABLE (0)
#define SCOPE_UART_BUADRATE (256000)
#define SCOPE_DEBUG_FREQ_MS (50)
/**
* Manual test: Capture ADC-DMA data and display it on the serial oscilloscope. Used to observe the stability of the data.
* Use step:
* 1. Call this function in `esp-idf/tools/unit-test-app/main/app_main.c`.
* 2. Use `ESP-Tuning Tool`(download from `www.espressif.com`) to capture.
* 3. The readings of multiple channels will be displayed on the tool.
*/
void test_adc_slope_debug(void)
{
float scope_temp[SCOPE_DEBUG_CHANNEL_MAX] = {0}; // max scope channel is 10.
test_tp_scope_debug_init(0, -1, -1, SCOPE_UART_BUADRATE);
#if SCOPE_DEBUG_TYPE == 0
/* adc1 Configure */
adc1_config_width(ADC1_TEST_WIDTH);
ESP_LOGI(TAG, "ADC1 [CH - GPIO] atten %d:", ADC1_TEST_ATTEN);
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
TEST_ESP_OK( adc1_config_channel_atten(adc1_ch[i], ADC1_TEST_ATTEN) );
ESP_LOGI(TAG, "[CH%d - IO%d]", adc1_ch[i], ADC_GET_IO_NUM(0, adc1_ch[i]));
}
/* tie midedle */
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
adc_fake_tie_middle(ADC_UNIT_1, adc1_ch[i]);
}
vTaskDelay(10 / portTICK_RATE_MS);
while (1) {
/* adc Read */
for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
scope_temp[i] = adc1_get_raw((adc1_channel_t)adc1_ch[i]);
}
test_tp_print_to_scope(scope_temp, ADC1_TEST_CHANNEL_NUM);
vTaskDelay(SCOPE_DEBUG_FREQ_MS / portTICK_RATE_MS);
}
#elif SCOPE_DEBUG_TYPE == 1
int adc2_val[ADC2_TEST_CHANNEL_NUM] = {0};
/* adc2 Configure */
ESP_LOGI(TAG, "ADC2 [CH - GPIO] atten %d:", ADC2_TEST_ATTEN);
for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
TEST_ESP_OK( adc2_config_channel_atten(adc2_ch[i], ADC2_TEST_ATTEN) );
ESP_LOGI(TAG, "[CH%d - IO%d]:", adc2_ch[i], ADC_GET_IO_NUM(1, adc2_ch[i]));
}
/* tie midedle */
for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
adc_fake_tie_middle(ADC_UNIT_2, adc2_ch[i]);
}
vTaskDelay(10 / portTICK_RATE_MS);
while (1) {
/* adc Read */
printf("ADC2: ");
for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
adc2_get_raw((adc2_channel_t)adc2_ch[i], ADC2_TEST_WIDTH, &adc2_val[i]);
scope_temp[i] = adc2_val[i];
}
test_tp_print_to_scope(scope_temp, ADC2_TEST_CHANNEL_NUM);
vTaskDelay(SCOPE_DEBUG_FREQ_MS / portTICK_RATE_MS);
}
#endif
}
#endif