Mercurial > public > ostc4

annotate Small_CPU/Src/externalInterface.c @ 675:3c4a3d78ff2b Betatest

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Bugfix: Missing flip screen support for charge view The new charge view was not displayed correct in case the option "Flip screen" was selected. Drawing parameter have not been adapted to show the view correctly.
author Ideenmodellierer
date Wed, 30 Mar 2022 18:07:21 +0200
parents 1b995079c045
children 52d68cf9994c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
554
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
1 /**
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
2 ******************************************************************************
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
3 * @file externalInterface.c
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
4 * @author heinrichs weikamp gmbh
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
5 * @version V0.0.1
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
6 * @date 07-Nov-2020
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
7 * @brief Interface functionality to proceed external analog signal via i2c connection
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
8 *
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
9 @verbatim
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
10 ==============================================================================
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
11 ##### stm32f4xx_hal_i2c.c modification #####
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
12 ==============================================================================
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
13 The LTC2942 requires an repeated start condition without stop condition
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
14 for data reception.
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
15
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
16 @endverbatim
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
17 ******************************************************************************
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
18 * @attention
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
19 *
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
20 * <h2><center>&copy; COPYRIGHT(c) 2014 heinrichs weikamp</center></h2>
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
21 *
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
22 ******************************************************************************
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
23 */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
24 /* Includes ------------------------------------------------------------------*/
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
25
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
26 #include <math.h>
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
27 #include "i2c.h"
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
28 #include "externalInterface.h"
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
29 #include "scheduler.h"
662
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
30 #include "uart.h"
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
31 #include "data_exchange.h"
554
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
32
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
33 extern SGlobal global;
662
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
34 extern UART_HandleTypeDef huart1;
554
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
35
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
36 #define ADC_ANSWER_LENGTH (5u) /* 3424 will provide addr + 4 data bytes */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
37 #define ADC_TIMEOUT (10u) /* conversion stuck for unknown reason => restart */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
38 #define ADC_REF_VOLTAGE_MV (2048.0f) /* reference voltage of MPC3424*/
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
39
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
40 #define ADC_START_CONVERSION (0x80)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
41 #define ADC_GAIN_4 (0x02)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
42 #define ADC_GAIN_4_VALUE (4.0f)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
43 #define ADC_GAIN_8 (0x03)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
44 #define ADC_GAIN_8_VALUE (8.0f)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
45 #define ADC_RESOLUTION_16BIT (0x08)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
46 #define ADC_RESOLUTION_16BIT_VALUE (16u)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
47 #define ADC_RESOLUTION_18BIT (0x0C)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
48 #define ADC_RESOLUTION_18BIT_VALUE (18u)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
49
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
50 #define ANSWER_CONFBYTE_INDEX (4u)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
51
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
52 static uint8_t activeChannel = 0; /* channel which is in request */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
53 static uint8_t recBuf[ADC_ANSWER_LENGTH];
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
54 static uint8_t timeoutCnt = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
55 static uint8_t externalInterfacePresent = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
56
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
57 float externalChannel_mV[MAX_ADC_CHANNEL];
662
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
58 static uint8_t externalV33_On = 0;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
59 static uint16_t externalCO2Value;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
60 static uint16_t externalCO2SignalStrength;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
61 static uint16_t externalCO2Status = 0;
554
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
62
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
63
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
64 void externalInterface_Init(void)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
65 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
66 activeChannel = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
67 timeoutCnt = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
68 externalInterfacePresent = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
69 if(externalInterface_StartConversion(activeChannel) == HAL_OK)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
70 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
71 externalInterfacePresent = 1;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
72 global.deviceDataSendToMaster.hw_Info.extADC = 1;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
73 }
559
84a4e1200726 Check if HW evaluation was performed:
Ideenmodellierer
parents: 554
diff changeset
74 global.deviceDataSendToMaster.hw_Info.checkADC = 1;
662
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
75
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
76 /* init data values */
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
77 externalV33_On = 0;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
78 externalCO2Value = 0;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
79 externalCO2SignalStrength = 0;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
80 externalCO2Status = 0;
554
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
81 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
82
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
83
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
84 uint8_t externalInterface_StartConversion(uint8_t channel)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
85 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
86 uint8_t retval = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
87 uint8_t confByte = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
88
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
89 if(channel < MAX_ADC_CHANNEL)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
90 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
91 confByte = ADC_START_CONVERSION | ADC_RESOLUTION_16BIT | ADC_GAIN_8;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
92 confByte |= channel << 5;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
93 retval = I2C_Master_Transmit(DEVICE_EXTERNAL_ADC, &confByte, 1);
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
94 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
95 return retval;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
96 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
97
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
98 /* Check if conversion is done and trigger measurement of next channel */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
99 uint8_t externalInterface_ReadAndSwitch()
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
100 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
101 uint8_t retval = EXTERNAL_ADC_NO_DATA;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
102
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
103 if(externalInterfacePresent)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
104 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
105 if(I2C_Master_Receive(DEVICE_EXTERNAL_ADC, recBuf, ADC_ANSWER_LENGTH) == HAL_OK)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
106 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
107 if((recBuf[ANSWER_CONFBYTE_INDEX] & ADC_START_CONVERSION) == 0) /* !ready set => received data contains new value */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
108 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
109 retval = activeChannel; /* return channel number providing new data */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
110 activeChannel++;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
111 if(activeChannel == MAX_ADC_CHANNEL)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
112 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
113 activeChannel = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
114 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
115 externalInterface_StartConversion(activeChannel);
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
116 timeoutCnt = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
117 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
118 else
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
119 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
120 if(timeoutCnt++ >= ADC_TIMEOUT)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
121 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
122 externalInterface_StartConversion(activeChannel);
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
123 timeoutCnt = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
124 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
125 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
126 }
581
011d8f9f5ddb Added ex Interface measurement restart in case of i2c disturbance:
Ideenmodellierer
parents: 559
diff changeset
127 else /* take also i2c bus disturb into account */
011d8f9f5ddb Added ex Interface measurement restart in case of i2c disturbance:
Ideenmodellierer
parents: 559
diff changeset
128 {
011d8f9f5ddb Added ex Interface measurement restart in case of i2c disturbance:
Ideenmodellierer
parents: 559
diff changeset
129 if(timeoutCnt++ >= ADC_TIMEOUT)
011d8f9f5ddb Added ex Interface measurement restart in case of i2c disturbance:
Ideenmodellierer
parents: 559
diff changeset
130 {
011d8f9f5ddb Added ex Interface measurement restart in case of i2c disturbance:
Ideenmodellierer
parents: 559
diff changeset
131 externalInterface_StartConversion(activeChannel);
011d8f9f5ddb Added ex Interface measurement restart in case of i2c disturbance:
Ideenmodellierer
parents: 559
diff changeset
132 timeoutCnt = 0;
011d8f9f5ddb Added ex Interface measurement restart in case of i2c disturbance:
Ideenmodellierer
parents: 559
diff changeset
133 }
011d8f9f5ddb Added ex Interface measurement restart in case of i2c disturbance:
Ideenmodellierer
parents: 559
diff changeset
134 }
554
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
135 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
136 return retval;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
137 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
138 float externalInterface_CalculateADCValue(uint8_t channel)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
139 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
140 int32_t rawvalue = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
141 float retValue = 0.0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
142 if(channel < MAX_ADC_CHANNEL)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
143 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
144
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
145 rawvalue = ((recBuf[0] << 16) | (recBuf[1] << 8) | (recBuf[2]));
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
146
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
147 switch(recBuf[3] & 0x0C) /* confbyte => Resolution bits*/
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
148 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
149 case ADC_RESOLUTION_16BIT: rawvalue = rawvalue >> 8; /* only 2 databytes received shift out confbyte*/
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
150 if(rawvalue & (0x1 << (ADC_RESOLUTION_16BIT_VALUE-1))) /* MSB set => negative number */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
151 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
152 rawvalue |= 0xFFFF0000; /* set MSB for int32 */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
153 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
154 else
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
155 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
156 rawvalue &= 0x0000FFFF;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
157 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
158 externalChannel_mV[channel] = ADC_REF_VOLTAGE_MV * 2.0 / (float) pow(2,ADC_RESOLUTION_16BIT_VALUE); /* calculate bit resolution */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
159 break;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
160 case ADC_RESOLUTION_18BIT: if(rawvalue & (0x1 << (ADC_RESOLUTION_18BIT_VALUE-1))) /* MSB set => negative number */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
161 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
162 rawvalue |= 0xFFFE0000; /* set MSB for int32 */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
163 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
164 externalChannel_mV[channel] = ADC_REF_VOLTAGE_MV * 2.0 / (float) pow(2,ADC_RESOLUTION_18BIT_VALUE); /* calculate bit resolution */
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
165 break;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
166 default: rawvalue = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
167 break;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
168 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
169 externalChannel_mV[channel] = externalChannel_mV[channel] * rawvalue / ADC_GAIN_8_VALUE;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
170 retValue = externalChannel_mV[channel];
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
171 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
172 return retValue;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
173 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
174 float getExternalInterfaceChannel(uint8_t channel)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
175 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
176 float retval = 0;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
177
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
178 if(channel < MAX_ADC_CHANNEL)
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
179 {
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
180 retval = externalChannel_mV[channel];
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
181 }
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
182 return retval;
3328189786e7 Added external ADC interface functionality (MCP3424):
Ideenmodellierer
parents:
diff changeset
183 }
662
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
184
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
185 void externalInterface_InitPower33(void)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
186 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
187 GPIO_InitTypeDef GPIO_InitStructure;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
188
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
189 GPIO_InitStructure.Pin = GPIO_PIN_7;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
190 GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
191 GPIO_InitStructure.Pull = GPIO_PULLUP;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
192 GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
193 HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
194 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_SET);
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
195 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
196
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
197
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
198 uint8_t externalInterface_isEnabledPower33()
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
199 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
200 return externalV33_On;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
201 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
202 void externalInterface_SwitchPower33(uint8_t state)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
203 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
204 if(state != externalV33_On)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
205 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
206 if(state)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
207 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
208 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_RESET);
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
209 externalV33_On = 1;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
210 MX_USART1_UART_Init();
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
211 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
212 else
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
213 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
214 HAL_GPIO_WritePin(GPIOC,GPIO_PIN_7,GPIO_PIN_SET);
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
215 externalV33_On = 0;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
216 externalInterface_SetCO2Value(0);
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
217 externalInterface_SetCO2SignalStrength(0);
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
218 MX_USART1_UART_DeInit();
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
219 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
220 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
221 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
222
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
223 void externalInterface_SetCO2Value(uint16_t CO2_ppm)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
224 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
225 externalCO2Value = CO2_ppm;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
226 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
227
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
228 void externalInterface_SetCO2SignalStrength(uint16_t LED_qa)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
229 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
230 externalCO2SignalStrength = LED_qa;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
231 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
232
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
233 uint16_t externalInterface_GetCO2Value(void)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
234 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
235 return externalCO2Value;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
236 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
237
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
238 uint16_t externalInterface_GetCO2SignalStrength(void)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
239 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
240 return externalCO2SignalStrength;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
241 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
242
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
243
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
244 void externalInterface_SetCO2State(uint16_t state)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
245 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
246 externalCO2Status = state;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
247 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
248
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
249 uint16_t externalInterface_GetCO2State(void)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
250 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
251 return externalCO2Status;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
252 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
253
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
254 void externalInterface_ExecuteCmd(uint16_t Cmd)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
255 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
256 char cmdString[10];
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
257 uint8_t cmdLength = 0;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
258
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
259 switch(Cmd & 0x00FF) /* lower byte is reserved for commands */
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
260 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
261 case EXT_INTERFACE_CO2_CALIB: cmdLength = snprintf(cmdString, 10, "G\r\n");
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
262 break;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
263 default:
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
264 break;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
265 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
266 if(cmdLength != 0)
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
267 {
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
268 HAL_UART_Transmit(&huart1,(uint8_t*)cmdString,cmdLength,10);
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
269 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
270 return;
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
271 }
1b995079c045 PSCR Mode
heinrichs weikamp
parents: 581
diff changeset
272