LibDriver DS18B20
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driver_ds18b20_read_test.c
Go to the documentation of this file.
1
37
38#include "driver_ds18b20_read_test.h"
39
40static ds18b20_handle_t gs_handle;
41
50uint8_t ds18b20_read_test(uint32_t times)
51{
52 uint8_t res;
53 uint32_t i;
54 int16_t raw;
55 float temperature;
56 uint8_t rom[8];
57 ds18b20_info_t info;
58
59 /* link interface function */
60 DRIVER_DS18B20_LINK_INIT(&gs_handle, ds18b20_handle_t);
61 DRIVER_DS18B20_LINK_BUS_INIT(&gs_handle, ds18b20_interface_init);
62 DRIVER_DS18B20_LINK_BUS_DEINIT(&gs_handle, ds18b20_interface_deinit);
63 DRIVER_DS18B20_LINK_BUS_READ(&gs_handle, ds18b20_interface_read);
64 DRIVER_DS18B20_LINK_BUS_WRITE(&gs_handle, ds18b20_interface_write);
65 DRIVER_DS18B20_LINK_DELAY_MS(&gs_handle, ds18b20_interface_delay_ms);
66 DRIVER_DS18B20_LINK_DELAY_US(&gs_handle, ds18b20_interface_delay_us);
67 DRIVER_DS18B20_LINK_ENABLE_IRQ(&gs_handle, ds18b20_interface_enable_irq);
68 DRIVER_DS18B20_LINK_DISABLE_IRQ(&gs_handle, ds18b20_interface_disable_irq);
69 DRIVER_DS18B20_LINK_DEBUG_PRINT(&gs_handle, ds18b20_interface_debug_print);
70
71 /* get ds18b20 info */
72 res = ds18b20_info(&info);
73 if (res != 0)
74 {
75 ds18b20_interface_debug_print("ds18b20: get info failed.\n");
76
77 return 1;
78 }
79 else
80 {
81 /* print ds18b20 info */
82 ds18b20_interface_debug_print("ds18b20: chip is %s.\n", info.chip_name);
83 ds18b20_interface_debug_print("ds18b20: manufacturer is %s.\n", info.manufacturer_name);
84 ds18b20_interface_debug_print("ds18b20: interface is %s.\n", info.interface);
85 ds18b20_interface_debug_print("ds18b20: driver version is %d.%d.\n", info.driver_version / 1000, (info.driver_version % 1000) / 100);
86 ds18b20_interface_debug_print("ds18b20: min supply voltage is %0.1fV.\n", info.supply_voltage_min_v);
87 ds18b20_interface_debug_print("ds18b20: max supply voltage is %0.1fV.\n", info.supply_voltage_max_v);
88 ds18b20_interface_debug_print("ds18b20: max current is %0.2fmA.\n", info.max_current_ma);
89 ds18b20_interface_debug_print("ds18b20: max temperature is %0.1fC.\n", info.temperature_max);
90 ds18b20_interface_debug_print("ds18b20: min temperature is %0.1fC.\n", info.temperature_min);
91 }
92
93 /* ds18b20 init */
94 res = ds18b20_init(&gs_handle);
95 if (res != 0)
96 {
97 ds18b20_interface_debug_print("ds18b20: init failed.\n");
98
99 return 1;
100 }
101
102 /* start basic read test */
103 ds18b20_interface_debug_print("ds18b20: start basic read test.\n");
104
105 /* skip rom mode */
106 res = ds18b20_set_mode(&gs_handle, DS18B20_MODE_SKIP_ROM);
107 if (res != 0)
108 {
109 ds18b20_interface_debug_print("ds18b20: set mode failed.\n");
110 (void)ds18b20_deinit(&gs_handle);
111
112 return 1;
113 }
114 ds18b20_interface_debug_print("ds18b20: set skip rom.\n");
115
116 /* RESOLUTION_9BIT */
117 res = ds18b20_scratchpad_set_resolution(&gs_handle, DS18B20_RESOLUTION_9BIT);
118 if (res != 0)
119 {
120 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution failed.\n");
121 (void)ds18b20_deinit(&gs_handle);
122
123 return 1;
124 }
125 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution 9bit.\n");
126 for (i = 0; i < times; i++)
127 {
128 res = ds18b20_read(&gs_handle, (int16_t *)&raw, (float *)&temperature);
129 if (res != 0)
130 {
131 ds18b20_interface_debug_print("ds18b20: read failed.\n");
132 (void)ds18b20_deinit(&gs_handle);
133
134 return 1;
135 }
136 ds18b20_interface_debug_print("ds18b20: temperature: %.01fC.\n", temperature);
137 ds18b20_interface_delay_ms(2000);
138 }
139
140 /* RESOLUTION_10BIT */
141 res = ds18b20_scratchpad_set_resolution(&gs_handle, DS18B20_RESOLUTION_10BIT);
142 if (res != 0)
143 {
144 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution failed.\n");
145 (void)ds18b20_deinit(&gs_handle);
146
147 return 1;
148 }
149 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution 10bit.\n");
150 for (i = 0; i < times; i++)
151 {
152 res = ds18b20_read(&gs_handle, (int16_t *)&raw, (float *)&temperature);
153 if (res != 0)
154 {
155 ds18b20_interface_debug_print("ds18b20: read failed.\n");
156 (void)ds18b20_deinit(&gs_handle);
157
158 return 1;
159 }
160 ds18b20_interface_debug_print("ds18b20: temperature: %.01fC.\n", temperature);
161 ds18b20_interface_delay_ms(2000);
162 }
163
164 /* RESOLUTION_11BIT */
165 res = ds18b20_scratchpad_set_resolution(&gs_handle, DS18B20_RESOLUTION_11BIT);
166 if (res != 0)
167 {
168 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution failed.\n");
169 (void)ds18b20_deinit(&gs_handle);
170
171 return 1;
172 }
173 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution 11bit.\n");
174 for (i = 0; i < times; i++)
175 {
176 res = ds18b20_read(&gs_handle, (int16_t *)&raw, (float *)&temperature);
177 if (res != 0)
178 {
179 ds18b20_interface_debug_print("ds18b20: read failed.\n");
180 (void)ds18b20_deinit(&gs_handle);
181
182 return 1;
183 }
184 ds18b20_interface_debug_print("ds18b20: temperature: %.01fC.\n", temperature);
185 ds18b20_interface_delay_ms(2000);
186 }
187
188 /* RESOLUTION_12BIT */
189 res = ds18b20_scratchpad_set_resolution(&gs_handle, DS18B20_RESOLUTION_12BIT);
190 if (res != 0)
191 {
192 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution failed.\n");
193 (void)ds18b20_deinit(&gs_handle);
194
195 return 1;
196 }
197 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution 12bit.\n");
198 for (i = 0; i < times; i++)
199 {
200 res = ds18b20_read(&gs_handle, (int16_t *)&raw, (float *)&temperature);
201 if (res != 0)
202 {
203 ds18b20_interface_debug_print("ds18b20: read failed.\n");
204 (void)ds18b20_deinit(&gs_handle);
205
206 return 1;
207 }
208 ds18b20_interface_debug_print("ds18b20: temperature: %.01fC.\n", temperature);
209 ds18b20_interface_delay_ms(2000);
210 }
211
212 /* get rom */
213 res = ds18b20_get_rom(&gs_handle, (uint8_t *)rom);
214 if (res != 0)
215 {
216 ds18b20_interface_debug_print("ds18b20: get rom failed.\n");
217 (void)ds18b20_deinit(&gs_handle);
218
219 return 1;
220 }
221 res = ds18b20_set_rom(&gs_handle, (uint8_t *)rom);
222 if (res != 0)
223 {
224 ds18b20_interface_debug_print("ds18b20: set mode failed.\n");
225 (void)ds18b20_deinit(&gs_handle);
226
227 return 1;
228 }
229
230 /* set match rom mode */
231 res = ds18b20_set_mode(&gs_handle, DS18B20_MODE_MATCH_ROM);
232 if (res != 0)
233 {
234 ds18b20_interface_debug_print("ds18b20: set mode failed.\n");
235 (void)ds18b20_deinit(&gs_handle);
236
237 return 1;
238 }
239 ds18b20_interface_debug_print("ds18b20: set match rom.\n");
240
241 /* RESOLUTION_9BIT */
242 res = ds18b20_scratchpad_set_resolution(&gs_handle, DS18B20_RESOLUTION_9BIT);
243 if (res != 0)
244 {
245 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution failed.\n");
246 (void)ds18b20_deinit(&gs_handle);
247
248 return 1;
249 }
250 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution 9bit.\n");
251 for (i = 0; i < times; i++)
252 {
253 res = ds18b20_read(&gs_handle, (int16_t *)&raw, (float *)&temperature);
254 if (res != 0)
255 {
256 ds18b20_interface_debug_print("ds18b20: read failed.\n");
257 (void)ds18b20_deinit(&gs_handle);
258
259 return 1;
260 }
261 ds18b20_interface_debug_print("ds18b20: temperature: %.01fC.\n", temperature);
262 ds18b20_interface_delay_ms(2000);
263 }
264
265 /* RESOLUTION_10BIT */
266 res = ds18b20_scratchpad_set_resolution(&gs_handle, DS18B20_RESOLUTION_10BIT);
267 if (res != 0)
268 {
269 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution failed.\n");
270 (void)ds18b20_deinit(&gs_handle);
271
272 return 1;
273 }
274 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution 10bit.\n");
275 for (i = 0; i < times; i++)
276 {
277 res = ds18b20_read(&gs_handle, (int16_t *)&raw, (float *)&temperature);
278 if (res != 0)
279 {
280 ds18b20_interface_debug_print("ds18b20: read failed.\n");
281 (void)ds18b20_deinit(&gs_handle);
282
283 return 1;
284 }
285 ds18b20_interface_debug_print("ds18b20: temperature: %.01fC.\n", temperature);
286 ds18b20_interface_delay_ms(2000);
287 }
288
289 /* RESOLUTION_11BIT */
290 res = ds18b20_scratchpad_set_resolution(&gs_handle, DS18B20_RESOLUTION_11BIT);
291 if (res != 0)
292 {
293 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution failed.\n");
294 (void)ds18b20_deinit(&gs_handle);
295
296 return 1;
297 }
298 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution 11bit.\n");
299 for (i = 0; i < times; i++)
300 {
301 res = ds18b20_read(&gs_handle, (int16_t *)&raw, (float *)&temperature);
302 if (res != 0)
303 {
304 ds18b20_interface_debug_print("ds18b20: read failed.\n");
305 (void)ds18b20_deinit(&gs_handle);
306
307 return 1;
308 }
309 ds18b20_interface_debug_print("ds18b20: temperature: %.01fC.\n", temperature);
310 ds18b20_interface_delay_ms(2000);
311 }
312
313 /* RESOLUTION_12BIT */
314 res = ds18b20_scratchpad_set_resolution(&gs_handle, DS18B20_RESOLUTION_12BIT);
315 if (res != 0)
316 {
317 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution failed.\n");
318 (void)ds18b20_deinit(&gs_handle);
319
320 return 1;
321 }
322 ds18b20_interface_debug_print("ds18b20: scratchpad set resolution 12bit.\n");
323 for (i = 0; i < times; i++)
324 {
325 res = ds18b20_read(&gs_handle, (int16_t *)&raw, (float *)&temperature);
326 if (res != 0)
327 {
328 ds18b20_interface_debug_print("ds18b20: read failed.\n");
329 (void)ds18b20_deinit(&gs_handle);
330
331 return 1;
332 }
333 ds18b20_interface_debug_print("ds18b20: temperature: %.01fC.\n", temperature);
334 ds18b20_interface_delay_ms(2000);
335 }
336
337 /* finish read test */
338 ds18b20_interface_debug_print("ds18b20: finish read test.\n");
339 (void)ds18b20_deinit(&gs_handle);
340
341 return 0;
342}
driver_ds18b20_read_test.h
driver ds18b20 read test header file
ds18b20_init
uint8_t ds18b20_init(ds18b20_handle_t *handle)
initialize the chip
Definition driver_ds18b20.c:1305
ds18b20_set_rom
uint8_t ds18b20_set_rom(ds18b20_handle_t *handle, uint8_t rom[8])
set the handle rom
Definition driver_ds18b20.c:394
ds18b20_info
uint8_t ds18b20_info(ds18b20_info_t *info)
get chip's information
Definition driver_ds18b20.c:2084
ds18b20_read
uint8_t ds18b20_read(ds18b20_handle_t *handle, int16_t *raw, float *temp)
read data from the chip
Definition driver_ds18b20.c:1426
ds18b20_scratchpad_set_resolution
uint8_t ds18b20_scratchpad_set_resolution(ds18b20_handle_t *handle, ds18b20_resolution_t resolution)
set the resolution in the scratchpad
Definition driver_ds18b20.c:469
ds18b20_handle_t
struct ds18b20_handle_s ds18b20_handle_t
ds18b20 handle structure definition
ds18b20_deinit
uint8_t ds18b20_deinit(ds18b20_handle_t *handle)
close the chip
Definition driver_ds18b20.c:1392
ds18b20_set_mode
uint8_t ds18b20_set_mode(ds18b20_handle_t *handle, ds18b20_mode_t mode)
set the chip mode
Definition driver_ds18b20.c:342
ds18b20_info_t
struct ds18b20_info_s ds18b20_info_t
ds18b20 info structure definition
ds18b20_get_rom
uint8_t ds18b20_get_rom(ds18b20_handle_t *handle, uint8_t rom[8])
get the chip rom
Definition driver_ds18b20.c:420
DS18B20_RESOLUTION_11BIT
@ DS18B20_RESOLUTION_11BIT
Definition driver_ds18b20.h:101
DS18B20_RESOLUTION_9BIT
@ DS18B20_RESOLUTION_9BIT
Definition driver_ds18b20.h:99
DS18B20_RESOLUTION_10BIT
@ DS18B20_RESOLUTION_10BIT
Definition driver_ds18b20.h:100
DS18B20_RESOLUTION_12BIT
@ DS18B20_RESOLUTION_12BIT
Definition driver_ds18b20.h:102
DS18B20_MODE_SKIP_ROM
@ DS18B20_MODE_SKIP_ROM
Definition driver_ds18b20.h:81
DS18B20_MODE_MATCH_ROM
@ DS18B20_MODE_MATCH_ROM
Definition driver_ds18b20.h:82
ds18b20_interface_deinit
uint8_t ds18b20_interface_deinit(void)
interface bus deinit
Definition driver_ds18b20_interface_template.c:59
ds18b20_interface_delay_ms
void ds18b20_interface_delay_ms(uint32_t ms)
interface delay ms
Definition driver_ds18b20_interface_template.c:95
ds18b20_interface_write
uint8_t ds18b20_interface_write(uint8_t value)
interface bus write
Definition driver_ds18b20_interface_template.c:85
ds18b20_interface_init
uint8_t ds18b20_interface_init(void)
interface bus init
Definition driver_ds18b20_interface_template.c:47
ds18b20_interface_read
uint8_t ds18b20_interface_read(uint8_t *value)
interface bus read
Definition driver_ds18b20_interface_template.c:72
ds18b20_interface_debug_print
void ds18b20_interface_debug_print(const char *const fmt,...)
interface print format data
Definition driver_ds18b20_interface_template.c:133
ds18b20_interface_disable_irq
void ds18b20_interface_disable_irq(void)
interface disable the interrupt
Definition driver_ds18b20_interface_template.c:123
ds18b20_interface_enable_irq
void ds18b20_interface_enable_irq(void)
interface enable the interrupt
Definition driver_ds18b20_interface_template.c:114
ds18b20_interface_delay_us
void ds18b20_interface_delay_us(uint32_t us)
interface delay us
Definition driver_ds18b20_interface_template.c:105
DRIVER_DS18B20_LINK_DISABLE_IRQ
#define DRIVER_DS18B20_LINK_DISABLE_IRQ(HANDLE, FUC)
link disable_irq function
Definition driver_ds18b20.h:221
DRIVER_DS18B20_LINK_ENABLE_IRQ
#define DRIVER_DS18B20_LINK_ENABLE_IRQ(HANDLE, FUC)
link enable_irq function
Definition driver_ds18b20.h:213
DRIVER_DS18B20_LINK_BUS_WRITE
#define DRIVER_DS18B20_LINK_BUS_WRITE(HANDLE, FUC)
link bus_write function
Definition driver_ds18b20.h:189
DRIVER_DS18B20_LINK_DEBUG_PRINT
#define DRIVER_DS18B20_LINK_DEBUG_PRINT(HANDLE, FUC)
link debug_print function
Definition driver_ds18b20.h:229
DRIVER_DS18B20_LINK_BUS_INIT
#define DRIVER_DS18B20_LINK_BUS_INIT(HANDLE, FUC)
link bus_init function
Definition driver_ds18b20.h:165
DRIVER_DS18B20_LINK_BUS_READ
#define DRIVER_DS18B20_LINK_BUS_READ(HANDLE, FUC)
link bus_read function
Definition driver_ds18b20.h:181
DRIVER_DS18B20_LINK_DELAY_US
#define DRIVER_DS18B20_LINK_DELAY_US(HANDLE, FUC)
link delay_us function
Definition driver_ds18b20.h:205
DRIVER_DS18B20_LINK_BUS_DEINIT
#define DRIVER_DS18B20_LINK_BUS_DEINIT(HANDLE, FUC)
link bus_deinit function
Definition driver_ds18b20.h:173
DRIVER_DS18B20_LINK_DELAY_MS
#define DRIVER_DS18B20_LINK_DELAY_MS(HANDLE, FUC)
link delay_ms function
Definition driver_ds18b20.h:197
DRIVER_DS18B20_LINK_INIT
#define DRIVER_DS18B20_LINK_INIT(HANDLE, STRUCTURE)
initialize ds18b20_handle_t structure
Definition driver_ds18b20.h:157
ds18b20_read_test
uint8_t ds18b20_read_test(uint32_t times)
read test
Definition driver_ds18b20_read_test.c:50
ds18b20_info_s::temperature_max
float temperature_max
Definition driver_ds18b20.h:136
ds18b20_info_s::supply_voltage_max_v
float supply_voltage_max_v
Definition driver_ds18b20.h:133
ds18b20_info_s::driver_version
uint32_t driver_version
Definition driver_ds18b20.h:137
ds18b20_info_s::temperature_min
float temperature_min
Definition driver_ds18b20.h:135
ds18b20_info_s::max_current_ma
float max_current_ma
Definition driver_ds18b20.h:134
ds18b20_info_s::manufacturer_name
char manufacturer_name[32]
Definition driver_ds18b20.h:130
ds18b20_info_s::supply_voltage_min_v
float supply_voltage_min_v
Definition driver_ds18b20.h:132
ds18b20_info_s::interface
char interface[8]
Definition driver_ds18b20.h:131
ds18b20_info_s::chip_name
char chip_name[32]
Definition driver_ds18b20.h:129