µracoli Manual  Version foo
trxvtg.h
1 /* Copyright (c) 2013 - 2014 Axel Wachtler
2  All rights reserved.
3 
4  Redistribution and use in source and binary forms, with or without
5  modification, are permitted provided that the following conditions
6  are met:
7 
8  * Redistributions of source code must retain the above copyright
9  notice, this list of conditions and the following disclaimer.
10  * Redistributions in binary form must reproduce the above copyright
11  notice, this list of conditions and the following disclaimer in the
12  documentation and/or other materials provided with the distribution.
13  * Neither the name of the authors nor the names of its contributors
14  may be used to endorse or promote products derived from this software
15  without specific prior written permission.
16 
17  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  POSSIBILITY OF SUCH DAMAGE. */
28 
29 #ifndef TRXVTG_H
30 #define TRXVTG_H
31 
40 /* === includes ============================================================ */
41 #include "sensor_defs.h"
42 #include "transceiver.h"
43 
44 
45 /* === macros ============================================================== */
46 #define TRXVTG_DEBUG (0)
47 #if TRXVTG_DEBUG == 1
48 # include "hif.h"
49 # define DBG_TRXVTG(...) PRINTF(__VA_ARGS__)
50 #else
51 # define DBG_TRXVTG(...)
52 #endif
53 
54 /* === types =============================================================== */
55 typedef struct
56 {
58 } trxvtg_ctx_t;
59 
60 /* === prototypes ========================================================== */
61 #ifdef __cplusplus
62 extern "C" {
63 #endif
64 /* === low level functions ================================================== */
65 
66 /* === high level sensor functions ========================================= */
67 
68 static inline void trxvtg_trigger(void *pctx, bool one_shot)
69 {
70 }
71 
72 static inline uint8_t trxvtg_get_val(void *pctx, uint8_t *pdata)
73 {
75  if (p)
76  {
77  uint8_t bmok, bm;
78  /* this we could do more clever with a tree search */
79  for(bm = 0; bm < 32; bm++)
80  {
81  if (bm == 0)
82  {
83  trx_bit_write(SR_BATMON_HR, 0);
84  }
85  if (bm == 16)
86  {
87  trx_bit_write(SR_BATMON_HR, 1);
88  }
89  trx_bit_write(SR_BATMON_VTH, bm & 0xf);
90  bmok = trx_bit_read(SR_BATMON_OK);
91  DBG_TRXVTG("bm=%x bmok=%d\n\r", bm, bmok);
92  if (bmok == 0)
93  {
94  break;
95  }
96  }
97 
98  p->type = SENSOR_DATA_VOLTAGE;
99  p->sensor = SENSOR_TRXVTG;
100  if (bm > 15)
101  {
102  p->voltage = 2.555 + 0.075 * (bm & 0xf);
103  }
104  else
105  {
106  p->voltage = 1.7 + 0.05 * (bm & 0xf);
107  }
108  }
109  return sizeof(sensor_voltage_t);
110 }
111 
112 #if 0
113 static inline uint8_t trxvtg_get_raw(void *pctx, uint8_t *pdata)
114 {
115  return 0;
116 }
117 #endif
118 
119 static inline void trxvtg_sleep(void *pctx)
120 {
121 }
122 
129 static inline uint8_t sensor_create_trxvtg(void *pdata)
130 {
131  uint8_t rv = sizeof(trxvtg_ctx_t);
132  trxvtg_ctx_t *pcfg;
133 
134  if (pdata != NULL)
135  {
136  /* init generic sensor data */
137  pcfg = (trxvtg_ctx_t *)pdata;
138  pcfg->g.id = SENSOR_TRXVTG;
139  pcfg->g.f_trigger = trxvtg_trigger;
140  pcfg->g.f_get_val = trxvtg_get_val;
141  pcfg->g.f_sleep = NULL;
142 
143  /* init private sensor data */
144 
145  /* initialize sensor hardware */
146 
147  }
148  return rv;
149 }
150 
151 #ifdef __cplusplus
152 } /* extern "C" */
153 #endif
154 
155 #endif /* #ifndef TRXVTG_H */
void trx_bit_write(trx_regaddr_t addr, trx_regval_t mask, uint8_t pos, trx_regval_t value)
subregister write
static uint8_t sensor_create_trxvtg(void *pdata)
Definition: trxvtg.h:129
trx_regval_t trx_bit_read(trx_regaddr_t addr, trx_regval_t mask, uint8_t pos)
subregister read