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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | mjames | 1 | /** |
| 29 | mjames | 2 | ****************************************************************************** |
| 3 | * File Name : main.c |
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| 4 | * Description : Main program body |
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| 5 | ****************************************************************************** |
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| 6 | * |
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| 44 | mjames | 7 | * COPYRIGHT(c) 2018 STMicroelectronics |
| 29 | mjames | 8 | * |
| 9 | * Redistribution and use in source and binary forms, with or without modification, |
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| 10 | * are permitted provided that the following conditions are met: |
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| 11 | * 1. Redistributions of source code must retain the above copyright notice, |
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| 12 | * this list of conditions and the following disclaimer. |
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
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| 14 | * this list of conditions and the following disclaimer in the documentation |
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| 15 | * and/or other materials provided with the distribution. |
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| 16 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
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| 17 | * may be used to endorse or promote products derived from this software |
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| 18 | * without specific prior written permission. |
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| 19 | * |
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| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 21 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 23 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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| 26 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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| 27 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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| 28 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 30 | * |
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| 31 | ****************************************************************************** |
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| 32 | */ |
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| 2 | mjames | 33 | /* Includes ------------------------------------------------------------------*/ |
| 29 | mjames | 34 | #include "stm32l1xx_hal.h" |
| 2 | mjames | 35 | |
| 36 | /* USER CODE BEGIN Includes */ |
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| 37 | #include "ap_math.h" |
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| 38 | #include "serial.h" |
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| 39 | #include "SSD1306.h" |
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| 7 | mjames | 40 | #include "Font.h" |
| 2 | mjames | 41 | #include "dials.h" |
| 4 | mjames | 42 | #include "switches.h" |
| 2 | mjames | 43 | #include <math.h> |
| 4 | mjames | 44 | #include "plx.h" |
| 20 | mjames | 45 | #include "displayinfo.h" |
| 27 | mjames | 46 | #include "small_printf.h" |
| 30 | mjames | 47 | #include "nvram.h" |
| 2 | mjames | 48 | |
| 49 | /* USER CODE END Includes */ |
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| 50 | |||
| 51 | /* Private variables ---------------------------------------------------------*/ |
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| 52 | SPI_HandleTypeDef hspi1; |
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| 53 | |||
| 44 | mjames | 54 | TIM_HandleTypeDef htim3; |
| 55 | TIM_HandleTypeDef htim9; |
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| 56 | |||
| 3 | mjames | 57 | UART_HandleTypeDef huart1; |
| 2 | mjames | 58 | UART_HandleTypeDef huart2; |
| 23 | mjames | 59 | UART_HandleTypeDef huart3; |
| 2 | mjames | 60 | |
| 61 | /* USER CODE BEGIN PV */ |
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| 62 | /* Private variables ---------------------------------------------------------*/ |
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| 18 | mjames | 63 | #define MAXRDG 32 |
| 2 | mjames | 64 | |
| 24 | mjames | 65 | /* timeout when the ignition is switched off */ |
| 66 | #define IGNITION_OFF_TIMEOUT 30000UL |
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| 67 | |||
| 7 | mjames | 68 | int OldObservation[2] = |
| 30 | mjames | 69 | { -1, -1 }; // illegal initial value |
| 7 | mjames | 70 | int OldObservationIndex[2] = |
| 30 | mjames | 71 | { -1, -1 }; // if more than one sensor this will be printed |
| 7 | mjames | 72 | int16_t dial0[2] = |
| 30 | mjames | 73 | { 0, 0 }; |
| 7 | mjames | 74 | int16_t dial1[2] = |
| 30 | mjames | 75 | { -1, -1 }; |
| 14 | mjames | 76 | |
| 18 | mjames | 77 | uint16_t dial_timer[2] = |
| 30 | mjames | 78 | { 0, 0 }; |
| 18 | mjames | 79 | |
| 80 | static const int DialTimeout = 50; // about 20 seconds after twiddle, save the dial position. |
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| 81 | |||
| 30 | mjames | 82 | uint16_t dial_nvram[2] __attribute__((section(".NVRAM_Data"))); |
| 14 | mjames | 83 | |
| 7 | mjames | 84 | union |
| 85 | { |
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| 30 | mjames | 86 | PLX_SensorInfo Sensor[MAXRDG]; |
| 87 | char Bytes[MAXRDG * sizeof(PLX_SensorInfo)]; |
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| 7 | mjames | 88 | } Data; |
| 89 | int Max[MAXRDG]; |
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| 90 | int Min[MAXRDG]; |
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| 91 | int PLXItems; |
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| 24 | mjames | 92 | |
| 27 | mjames | 93 | uint32_t Latch_Timer = IGNITION_OFF_TIMEOUT; |
| 24 | mjames | 94 | |
| 2 | mjames | 95 | /* USER CODE END PV */ |
| 96 | |||
| 97 | /* Private function prototypes -----------------------------------------------*/ |
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| 29 | mjames | 98 | void SystemClock_Config(void); |
| 99 | void Error_Handler(void); |
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| 100 | static void MX_GPIO_Init(void); |
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| 101 | static void MX_SPI1_Init(void); |
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| 102 | static void MX_USART1_UART_Init(void); |
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| 103 | static void MX_USART2_UART_Init(void); |
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| 104 | static void MX_USART3_UART_Init(void); |
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| 44 | mjames | 105 | static void MX_TIM3_Init(void); |
| 106 | static void MX_TIM9_Init(void); |
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| 2 | mjames | 107 | |
| 108 | /* USER CODE BEGIN PFP */ |
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| 109 | /* Private function prototypes -----------------------------------------------*/ |
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| 110 | |||
| 111 | /* USER CODE END PFP */ |
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| 112 | |||
| 113 | /* USER CODE BEGIN 0 */ |
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| 114 | /* dummy function */ |
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| 30 | mjames | 115 | void _init(void) |
| 6 | mjames | 116 | { |
| 2 | mjames | 117 | |
| 118 | } |
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| 7 | mjames | 119 | // the dial is the switch number we are using. |
| 120 | // suppress is the ItemIndex we wish to suppress on this display |
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| 30 | mjames | 121 | int DisplayCurrent(int dial, int suppress) |
| 7 | mjames | 122 | { |
| 30 | mjames | 123 | char buff[10]; |
| 124 | int i; |
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| 125 | int rc; |
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| 126 | select_display(dial); // pick the display we are using |
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| 44 | mjames | 127 | int ItemIndex = dial_pos[dial] % PLXItems; |
| 14 | mjames | 128 | |
| 44 | mjames | 129 | #if 0 |
| 30 | mjames | 130 | // wrap around count if dial too far to the right |
| 131 | if (ItemIndex >= PLXItems) |
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| 7 | mjames | 132 | { |
| 30 | mjames | 133 | dial_pos[dial] = 0; |
| 134 | ItemIndex = 0; |
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| 27 | mjames | 135 | } |
| 30 | mjames | 136 | if (ItemIndex < 0) |
| 137 | { |
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| 138 | ItemIndex = PLXItems - 1; |
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| 139 | dial_pos[dial] = (PLXItems - 1) * 4; |
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| 140 | } |
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| 44 | mjames | 141 | #endif |
| 30 | mjames | 142 | // check for item suppression |
| 143 | if (ItemIndex == suppress) |
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| 7 | mjames | 144 | { |
| 30 | mjames | 145 | dial1[dial] = -1; |
| 146 | OldObservation[dial] = -1; |
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| 147 | OldObservationIndex[dial] = -1; |
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| 2 | mjames | 148 | |
| 30 | mjames | 149 | clearDisplay(); |
| 150 | display(); |
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| 151 | return -1; // we suppressed this display |
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| 152 | } |
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| 153 | // do not try to convert if no items in buffer |
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| 154 | if (PLXItems > 0) |
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| 155 | { |
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| 156 | int DataVal = ConvPLX(Data.Sensor[ItemIndex].ReadingH, |
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| 157 | Data.Sensor[ItemIndex].ReadingL); // data reading |
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| 158 | int Observation = ConvPLX(Data.Sensor[ItemIndex].AddrH, |
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| 159 | Data.Sensor[ItemIndex].AddrL); |
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| 160 | int ObservationIndex = ConvPLX(0, Data.Sensor[ItemIndex].Instance); |
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| 161 | // now to convert the readings and format strings |
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| 162 | // find out limits |
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| 163 | char * msg; |
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| 164 | int len; |
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| 27 | mjames | 165 | |
| 30 | mjames | 166 | // if the user presses the dial then reset min/max to current value |
| 167 | if (push_pos[dial] == 1) |
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| 9 | mjames | 168 | { |
| 30 | mjames | 169 | Max[ItemIndex] = DataVal; |
| 170 | Min[ItemIndex] = DataVal; // 12 bit max value |
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| 9 | mjames | 171 | } |
| 30 | mjames | 172 | |
| 173 | if (Observation < PLX_MAX_OBS) |
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| 27 | mjames | 174 | { |
| 30 | mjames | 175 | if (Observation != OldObservation[dial] |
| 176 | || ObservationIndex != OldObservationIndex[dial]) |
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| 177 | { |
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| 9 | mjames | 178 | |
| 30 | mjames | 179 | dial_timer[dial] = DialTimeout; |
| 9 | mjames | 180 | |
| 30 | mjames | 181 | dial1[dial] = -1; |
| 182 | clearDisplay(); |
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| 183 | dial_draw_scale(DisplayInfo[Observation].Low, |
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| 184 | DisplayInfo[Observation].High, 12, 1, |
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| 185 | DisplayInfo[Observation].TickScale); |
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| 14 | mjames | 186 | |
| 30 | mjames | 187 | msg = DisplayInfo[Observation].name; |
| 188 | len = 7; |
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| 189 | int len1 = ObservationIndex > 0 ? len - 1 : len; |
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| 190 | for (i = 0; i < len1 && msg[i]; i++) |
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| 191 | { |
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| 192 | buff[i] = msg[i]; |
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| 193 | } |
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| 194 | if (ObservationIndex > 0 && i < len) |
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| 195 | { |
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| 196 | buff[i++] = ObservationIndex + '1'; |
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| 197 | } |
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| 14 | mjames | 198 | |
| 30 | mjames | 199 | print_large_string(buff, 64 - i * 4, 48, i); // this prints spaces for \0 at end of string |
| 14 | mjames | 200 | |
| 30 | mjames | 201 | // print suffix if present. |
| 202 | font_gotoxy(15, 4); |
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| 203 | int i = 0; |
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| 204 | while (DisplayInfo[Observation].suffix[i]) |
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| 205 | { |
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| 206 | font_putchar(DisplayInfo[Observation].suffix[i++]); |
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| 207 | } |
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| 208 | |||
| 209 | OldObservation[dial] = Observation; |
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| 210 | OldObservationIndex[dial] = ObservationIndex; |
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| 211 | // |
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| 212 | display(); |
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| 213 | |||
| 214 | } |
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| 215 | else |
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| 27 | mjames | 216 | { |
| 30 | mjames | 217 | // check for timer timeout on consistent timer |
| 218 | if (dial_timer[dial]) |
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| 219 | { |
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| 220 | dial_timer[dial]--; |
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| 2 | mjames | 221 | |
| 30 | mjames | 222 | if (dial_timer[dial] == 0) |
| 223 | { |
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| 224 | uint16_t curr_val = dial_pos[dial]; |
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| 225 | |||
| 31 | mjames | 226 | uint32_t addr = (uint32_t) (&dial_nvram[dial]); |
| 227 | WriteUint16NVRAM(addr, curr_val ); |
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| 30 | mjames | 228 | |
| 229 | } |
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| 230 | } |
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| 7 | mjames | 231 | } |
| 30 | mjames | 232 | |
| 27 | mjames | 233 | } |
| 2 | mjames | 234 | |
| 30 | mjames | 235 | double max_rdg; |
| 236 | double min_rdg; |
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| 237 | double cur_rdg; |
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| 238 | int int_rdg; |
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| 239 | int int_max; |
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| 240 | int int_min; |
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| 21 | mjames | 241 | |
| 30 | mjames | 242 | max_rdg = ConveriMFDRaw2Data(Observation, |
| 243 | DisplayInfo[Observation].Units, Max[ItemIndex]); |
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| 244 | min_rdg = ConveriMFDRaw2Data(Observation, |
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| 245 | DisplayInfo[Observation].Units, Min[ItemIndex]); |
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| 246 | cur_rdg = ConveriMFDRaw2Data(Observation, |
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| 247 | DisplayInfo[Observation].Units, DataVal); |
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| 18 | mjames | 248 | |
| 30 | mjames | 249 | int dp_pos; // where to print the decimal place |
| 250 | float scale = 1.0; |
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| 251 | switch (DisplayInfo[Observation].DP) |
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| 252 | { |
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| 253 | case 0: |
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| 254 | scale = 1.0; |
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| 255 | dp_pos = 100; |
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| 256 | break; |
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| 257 | case 1: |
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| 258 | scale = 10.0; |
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| 259 | dp_pos = 1; |
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| 260 | break; |
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| 261 | case 2: |
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| 262 | scale = 100.0; |
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| 263 | dp_pos = 2; |
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| 264 | break; |
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| 265 | } |
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| 266 | int_rdg = (int) (cur_rdg * scale); |
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| 267 | int_max = (int) (max_rdg * scale); |
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| 268 | int_min = (int) (min_rdg * scale); |
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| 18 | mjames | 269 | |
| 30 | mjames | 270 | cur_rdg -= DisplayInfo[Observation].Low; |
| 47 | mjames | 271 | cur_rdg = SINE_STEPS * cur_rdg |
| 30 | mjames | 272 | / (DisplayInfo[Observation].High |
| 273 | - DisplayInfo[Observation].Low); |
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| 2 | mjames | 274 | |
| 30 | mjames | 275 | dial0[dial] = (int) cur_rdg; |
| 2 | mjames | 276 | |
| 30 | mjames | 277 | /* old needle un-draw */ |
| 278 | if (dial1[dial] >= 0) |
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| 279 | { |
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| 280 | dial_draw_needle(dial1[dial]); |
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| 281 | } |
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| 282 | dial_draw_needle(dial0[dial]); |
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| 283 | // print value overlaid by needle |
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| 284 | // this is actual reading |
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| 285 | print_digits(30, 30, 5, dp_pos, int_rdg); |
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| 286 | font_gotoxy(0, 0); |
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| 287 | font_digits(5, dp_pos, int_min); |
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| 2 | mjames | 288 | |
| 30 | mjames | 289 | font_gotoxy(0, 1); |
| 290 | font_puts("Min"); |
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| 2 | mjames | 291 | |
| 30 | mjames | 292 | font_gotoxy(15, 0); |
| 293 | font_digits(5, dp_pos, int_max); |
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| 294 | font_gotoxy(18, 1); |
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| 295 | font_puts("Max"); |
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| 2 | mjames | 296 | |
| 30 | mjames | 297 | dial1[dial] = dial0[dial]; |
| 15 | mjames | 298 | |
| 30 | mjames | 299 | display(); |
| 2 | mjames | 300 | |
| 7 | mjames | 301 | } |
| 30 | mjames | 302 | return ItemIndex; |
| 7 | mjames | 303 | } |
| 304 | /* USER CODE END 0 */ |
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| 2 | mjames | 305 | |
| 29 | mjames | 306 | int main(void) |
| 7 | mjames | 307 | { |
| 2 | mjames | 308 | |
| 16 | mjames | 309 | /* USER CODE BEGIN 1 */ |
| 2 | mjames | 310 | |
| 30 | mjames | 311 | GPIO_InitTypeDef GPIO_InitStruct; |
| 2 | mjames | 312 | |
| 30 | mjames | 313 | __HAL_RCC_SPI1_CLK_ENABLE() |
| 314 | ; |
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| 315 | __HAL_RCC_USART1_CLK_ENABLE() |
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| 316 | ; // PLX main port |
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| 317 | __HAL_RCC_USART2_CLK_ENABLE() |
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| 318 | ; // debug port |
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| 319 | __HAL_RCC_USART3_CLK_ENABLE () |
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| 320 | ; // Bluetooth port |
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| 23 | mjames | 321 | |
| 44 | mjames | 322 | __HAL_RCC_TIM3_CLK_ENABLE(); |
| 323 | |||
| 324 | __HAL_RCC_TIM9_CLK_ENABLE(); |
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| 16 | mjames | 325 | /* USER CODE END 1 */ |
| 2 | mjames | 326 | |
| 16 | mjames | 327 | /* MCU Configuration----------------------------------------------------------*/ |
| 6 | mjames | 328 | |
| 16 | mjames | 329 | /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ |
| 29 | mjames | 330 | HAL_Init(); |
| 2 | mjames | 331 | |
| 16 | mjames | 332 | /* Configure the system clock */ |
| 29 | mjames | 333 | SystemClock_Config(); |
| 2 | mjames | 334 | |
| 16 | mjames | 335 | /* Initialize all configured peripherals */ |
| 29 | mjames | 336 | MX_GPIO_Init(); |
| 337 | MX_SPI1_Init(); |
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| 338 | MX_USART1_UART_Init(); |
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| 339 | MX_USART2_UART_Init(); |
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| 340 | MX_USART3_UART_Init(); |
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| 44 | mjames | 341 | MX_TIM3_Init(); |
| 342 | MX_TIM9_Init(); |
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| 2 | mjames | 343 | |
| 16 | mjames | 344 | /* USER CODE BEGIN 2 */ |
| 2 | mjames | 345 | |
| 30 | mjames | 346 | /* Turn on USART1 IRQ */ |
| 347 | HAL_NVIC_SetPriority(USART1_IRQn, 2, 0); |
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| 348 | HAL_NVIC_EnableIRQ(USART1_IRQn); |
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| 4 | mjames | 349 | |
| 30 | mjames | 350 | /* Turn on USART2 IRQ */ |
| 351 | HAL_NVIC_SetPriority(USART2_IRQn, 4, 0); |
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| 352 | HAL_NVIC_EnableIRQ(USART2_IRQn); |
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| 2 | mjames | 353 | |
| 30 | mjames | 354 | /* turn on USART3 IRQ */ |
| 355 | HAL_NVIC_SetPriority(USART3_IRQn, 4, 0); |
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| 356 | HAL_NVIC_EnableIRQ(USART3_IRQn); |
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| 4 | mjames | 357 | |
| 30 | mjames | 358 | /* setup the USART control blocks */ |
| 359 | init_usart_ctl(&uc1, huart1.Instance); |
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| 360 | init_usart_ctl(&uc2, huart2.Instance); |
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| 361 | init_usart_ctl(&uc3, huart3.Instance); |
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| 23 | mjames | 362 | |
| 30 | mjames | 363 | EnableSerialRxInterrupt(&uc1); |
| 364 | EnableSerialRxInterrupt(&uc2); |
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| 365 | EnableSerialRxInterrupt(&uc3); |
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| 23 | mjames | 366 | |
| 44 | mjames | 367 | HAL_TIM_Encoder_Start(&htim3, TIM_CHANNEL_ALL); |
| 23 | mjames | 368 | |
| 44 | mjames | 369 | HAL_TIM_Encoder_Start(&htim9, TIM_CHANNEL_ALL); |
| 370 | |||
| 30 | mjames | 371 | InitSwitches(); |
| 23 | mjames | 372 | |
| 30 | mjames | 373 | int i; |
| 374 | uint16_t rc; |
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| 375 | for (i = 0; i < 2; i++) |
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| 376 | { |
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| 377 | dial_pos[i] = dial_nvram[i]; |
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| 378 | } |
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| 2 | mjames | 379 | |
| 30 | mjames | 380 | ap_init(); // set up the approximate math library |
| 23 | mjames | 381 | |
| 30 | mjames | 382 | int disp; |
| 7 | mjames | 383 | |
| 30 | mjames | 384 | ssd1306_begin(1, 0); |
| 385 | dial_origin(64, 60); |
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| 386 | dial_size(60); |
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| 16 | mjames | 387 | |
| 30 | mjames | 388 | /* reset the display timeout, latch on power from accessories */ |
| 389 | Latch_Timer = IGNITION_OFF_TIMEOUT; |
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| 390 | HAL_GPIO_WritePin(POWER_LATCH_GPIO_Port, POWER_LATCH_Pin, GPIO_PIN_RESET); |
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| 17 | mjames | 391 | |
| 30 | mjames | 392 | for (disp = 0; disp < 2; disp++) |
| 393 | { |
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| 394 | select_display(disp); |
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| 395 | clearDisplay(); |
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| 396 | dim(0); |
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| 397 | //font_puts( |
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| 398 | // "Hello world !!\rThis text is a test of the text rendering library in a 5*7 font"); |
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| 18 | mjames | 399 | |
| 30 | mjames | 400 | dial_draw_scale(0, 10, 12, 5, 1); |
| 401 | char buffer[] = "Display "; |
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| 402 | buffer[8] = disp + '1'; |
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| 403 | print_large_string(buffer, 20, 30, 9); |
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| 18 | mjames | 404 | |
| 30 | mjames | 405 | display(); |
| 7 | mjames | 406 | |
| 30 | mjames | 407 | } |
| 7 | mjames | 408 | |
| 16 | mjames | 409 | /* USER CODE END 2 */ |
| 7 | mjames | 410 | |
| 16 | mjames | 411 | /* Infinite loop */ |
| 412 | /* USER CODE BEGIN WHILE */ |
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| 30 | mjames | 413 | uint32_t Ticks = HAL_GetTick() + 100; |
| 7 | mjames | 414 | |
| 30 | mjames | 415 | /* while ignition is on, keep resetting power latch timer */ |
| 416 | if (HAL_GPIO_ReadPin(IGNITION_GPIO_Port, IGNITION_Pin) == GPIO_PIN_RESET) |
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| 417 | { |
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| 418 | Latch_Timer = HAL_GetTick() + IGNITION_OFF_TIMEOUT; |
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| 419 | } |
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| 420 | else |
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| 421 | { |
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| 422 | /* if the ignition has been off for a while, then turn off power */ |
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| 423 | if (HAL_GetTick() > Latch_Timer) |
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| 24 | mjames | 424 | { |
| 30 | mjames | 425 | HAL_GPIO_WritePin(POWER_LATCH_GPIO_Port, POWER_LATCH_Pin, |
| 426 | GPIO_PIN_RESET); |
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| 24 | mjames | 427 | } |
| 30 | mjames | 428 | } |
| 27 | mjames | 429 | |
| 30 | mjames | 430 | uint32_t timeout = 0; // |
| 431 | // PLX decoder protocols |
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| 432 | char PLXPacket = 0; |
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| 433 | for (i = 0; i < MAXRDG; i++) |
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| 434 | { |
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| 435 | Max[i] = 0; |
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| 436 | Min[i] = 0xFFF; // 12 bit max value |
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| 437 | } |
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| 27 | mjames | 438 | |
| 30 | mjames | 439 | int PLXPtr = 0; |
| 27 | mjames | 440 | |
| 30 | mjames | 441 | while (1) |
| 442 | { |
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| 27 | mjames | 443 | // poll switche |
| 30 | mjames | 444 | HandleSwitches(); |
| 27 | mjames | 445 | // Handle the bluetooth pairing function by pressing both buttons. |
| 30 | mjames | 446 | if ((push_pos[0] == 1) && (push_pos[1] == 1)) |
| 24 | mjames | 447 | { |
| 30 | mjames | 448 | HAL_GPIO_WritePin(BT_BUTTON_GPIO_Port, BT_BUTTON_Pin, GPIO_PIN_SET); |
| 24 | mjames | 449 | } |
| 30 | mjames | 450 | else |
| 27 | mjames | 451 | { |
| 30 | mjames | 452 | HAL_GPIO_WritePin(BT_BUTTON_GPIO_Port, BT_BUTTON_Pin, GPIO_PIN_RESET); |
| 24 | mjames | 453 | |
| 7 | mjames | 454 | } |
| 455 | |||
| 30 | mjames | 456 | uint16_t cc = SerialCharsReceived(&uc1); |
| 457 | int chr; |
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| 458 | if (cc == 0) |
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| 27 | mjames | 459 | { |
| 30 | mjames | 460 | timeout++; |
| 461 | if (timeout % 1000 == 0) |
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| 462 | { |
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| 38 | mjames | 463 | const char msg[] = "No data\r\n"; |
| 464 | char * p = msg; |
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| 465 | while(*p) |
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| 466 | { |
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| 467 | PutCharSerial(&uc2,*p++); |
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| 468 | } |
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| 469 | |||
| 30 | mjames | 470 | } |
| 38 | mjames | 471 | |
| 30 | mjames | 472 | if (timeout > 60000) |
| 473 | { |
||
| 474 | // do turn off screen |
||
| 475 | } |
||
| 7 | mjames | 476 | |
| 27 | mjames | 477 | } |
| 30 | mjames | 478 | for (chr = 0; chr < cc; chr++) |
| 7 | mjames | 479 | { |
| 30 | mjames | 480 | char c = GetCharSerial(&uc1); |
| 481 | timeout = 0; |
||
| 27 | mjames | 482 | |
| 30 | mjames | 483 | if (c == PLX_Start) // at any time if the start byte appears, reset the pointers |
| 23 | mjames | 484 | { |
| 30 | mjames | 485 | PLXPtr = 0; // reset the pointer |
| 486 | PLXPacket = 1; |
||
| 487 | } |
||
| 488 | else if (c == PLX_Stop) |
||
| 489 | { |
||
| 490 | if (PLXPacket) |
||
| 491 | { |
||
| 492 | // we can now decode the selected parameter |
||
| 493 | PLXItems = PLXPtr / sizeof(PLX_SensorInfo); // total |
||
| 494 | // saturate the rotary switch position |
||
| 7 | mjames | 495 | |
| 30 | mjames | 496 | int DataVal; |
| 497 | // process min/max |
||
| 498 | for (i = 0; i < PLXItems; i++) |
||
| 499 | { |
||
| 500 | // Send item to BT |
||
| 501 | uint16_t addr = ConvPLX(Data.Sensor[i].AddrH, |
||
| 502 | Data.Sensor[i].AddrL); |
||
| 503 | uint8_t inst = Data.Sensor[i].Instance; |
||
| 504 | uint16_t reading = ConvPLX(Data.Sensor[i].ReadingH, |
||
| 505 | Data.Sensor[i].ReadingL); |
||
| 9 | mjames | 506 | |
| 30 | mjames | 507 | char outbuff[100]; |
| 37 | mjames | 508 | int cnt = small_sprintf(outbuff, "%d,%d,%d\n\r", addr, inst, |
| 30 | mjames | 509 | reading); |
| 37 | mjames | 510 | int ck=0; |
| 511 | while(outbuff[ck] && ck < 100) |
||
| 23 | mjames | 512 | |
| 30 | mjames | 513 | { |
| 38 | mjames | 514 | PutCharSerial(&uc2, outbuff[ck++]); |
| 30 | mjames | 515 | } |
| 516 | DataVal = ConvPLX(Data.Sensor[i].ReadingH, |
||
| 517 | Data.Sensor[i].ReadingL); |
||
| 518 | if (DataVal > Max[i]) |
||
| 519 | { |
||
| 520 | Max[i] = DataVal; |
||
| 521 | } |
||
| 522 | if (DataVal < Min[i]) |
||
| 523 | { |
||
| 524 | Min[i] = DataVal; |
||
| 525 | } |
||
| 526 | } |
||
| 527 | |||
| 528 | // now to display the information |
||
| 529 | int suppress = DisplayCurrent(0, -1); |
||
| 530 | DisplayCurrent(1, suppress); |
||
| 23 | mjames | 531 | } |
| 30 | mjames | 532 | PLXPtr = 0; |
| 533 | PLXPacket = 0; |
||
| 6 | mjames | 534 | } |
| 30 | mjames | 535 | else if (c > PLX_Stop) // illegal char, restart reading |
| 536 | { |
||
| 537 | PLXPacket = 0; |
||
| 538 | PLXPtr = 0; |
||
| 539 | } |
||
| 540 | else if (PLXPtr < sizeof(Data.Bytes)) |
||
| 541 | { |
||
| 542 | Data.Bytes[PLXPtr++] = c; |
||
| 543 | } |
||
| 27 | mjames | 544 | } |
| 4 | mjames | 545 | |
| 30 | mjames | 546 | HAL_Delay(1); |
| 547 | } |
||
| 16 | mjames | 548 | /* USER CODE END WHILE */ |
| 2 | mjames | 549 | |
| 16 | mjames | 550 | /* USER CODE BEGIN 3 */ |
| 6 | mjames | 551 | |
| 16 | mjames | 552 | /* USER CODE END 3 */ |
| 553 | |||
| 2 | mjames | 554 | } |
| 555 | |||
| 556 | /** System Clock Configuration |
||
| 29 | mjames | 557 | */ |
| 558 | void SystemClock_Config(void) |
||
| 5 | mjames | 559 | { |
| 2 | mjames | 560 | |
| 16 | mjames | 561 | RCC_OscInitTypeDef RCC_OscInitStruct; |
| 562 | RCC_ClkInitTypeDef RCC_ClkInitStruct; |
||
| 2 | mjames | 563 | |
| 29 | mjames | 564 | __HAL_RCC_PWR_CLK_ENABLE(); |
| 565 | |||
| 566 | __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); |
||
| 567 | |||
| 44 | mjames | 568 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; |
| 569 | RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS; |
||
| 16 | mjames | 570 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; |
| 44 | mjames | 571 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; |
| 572 | RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL12; |
||
| 29 | mjames | 573 | RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3; |
| 574 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) |
||
| 575 | { |
||
| 576 | Error_Handler(); |
||
| 577 | } |
||
| 2 | mjames | 578 | |
| 29 | mjames | 579 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |
| 580 | |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; |
||
| 16 | mjames | 581 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; |
| 582 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; |
||
| 29 | mjames | 583 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; |
| 16 | mjames | 584 | RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; |
| 29 | mjames | 585 | if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) |
| 586 | { |
||
| 587 | Error_Handler(); |
||
| 588 | } |
||
| 2 | mjames | 589 | |
| 29 | mjames | 590 | HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000); |
| 2 | mjames | 591 | |
| 29 | mjames | 592 | HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK); |
| 2 | mjames | 593 | |
| 16 | mjames | 594 | /* SysTick_IRQn interrupt configuration */ |
| 29 | mjames | 595 | HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0); |
| 2 | mjames | 596 | } |
| 597 | |||
| 598 | /* SPI1 init function */ |
||
| 29 | mjames | 599 | static void MX_SPI1_Init(void) |
| 5 | mjames | 600 | { |
| 2 | mjames | 601 | |
| 16 | mjames | 602 | hspi1.Instance = SPI1; |
| 603 | hspi1.Init.Mode = SPI_MODE_MASTER; |
||
| 604 | hspi1.Init.Direction = SPI_DIRECTION_1LINE; |
||
| 605 | hspi1.Init.DataSize = SPI_DATASIZE_8BIT; |
||
| 606 | hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH; |
||
| 607 | hspi1.Init.CLKPhase = SPI_PHASE_1EDGE; |
||
| 608 | hspi1.Init.NSS = SPI_NSS_SOFT; |
||
| 29 | mjames | 609 | hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4; |
| 16 | mjames | 610 | hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; |
| 611 | hspi1.Init.TIMode = SPI_TIMODE_DISABLE; |
||
| 612 | hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; |
||
| 613 | hspi1.Init.CRCPolynomial = 10; |
||
| 29 | mjames | 614 | if (HAL_SPI_Init(&hspi1) != HAL_OK) |
| 615 | { |
||
| 616 | Error_Handler(); |
||
| 617 | } |
||
| 2 | mjames | 618 | |
| 619 | } |
||
| 620 | |||
| 44 | mjames | 621 | /* TIM3 init function */ |
| 622 | static void MX_TIM3_Init(void) |
||
| 623 | { |
||
| 624 | |||
| 625 | TIM_Encoder_InitTypeDef sConfig; |
||
| 626 | TIM_MasterConfigTypeDef sMasterConfig; |
||
| 627 | |||
| 628 | htim3.Instance = TIM3; |
||
| 629 | htim3.Init.Prescaler = 0; |
||
| 630 | htim3.Init.CounterMode = TIM_COUNTERMODE_UP; |
||
| 631 | htim3.Init.Period = 0xffff; |
||
| 632 | htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV4; |
||
| 633 | sConfig.EncoderMode = TIM_ENCODERMODE_TI1; |
||
| 634 | sConfig.IC1Polarity = TIM_ICPOLARITY_FALLING; |
||
| 635 | sConfig.IC1Selection = TIM_ICSELECTION_DIRECTTI; |
||
| 636 | sConfig.IC1Prescaler = TIM_ICPSC_DIV1; |
||
| 637 | sConfig.IC1Filter = 15; |
||
| 638 | sConfig.IC2Polarity = TIM_ICPOLARITY_FALLING; |
||
| 639 | sConfig.IC2Selection = TIM_ICSELECTION_DIRECTTI; |
||
| 640 | sConfig.IC2Prescaler = TIM_ICPSC_DIV1; |
||
| 641 | sConfig.IC2Filter = 15; |
||
| 642 | if (HAL_TIM_Encoder_Init(&htim3, &sConfig) != HAL_OK) |
||
| 643 | { |
||
| 644 | Error_Handler(); |
||
| 645 | } |
||
| 646 | |||
| 647 | sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; |
||
| 648 | sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; |
||
| 649 | if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK) |
||
| 650 | { |
||
| 651 | Error_Handler(); |
||
| 652 | } |
||
| 653 | |||
| 654 | } |
||
| 655 | |||
| 656 | /* TIM9 init function */ |
||
| 657 | static void MX_TIM9_Init(void) |
||
| 658 | { |
||
| 659 | |||
| 660 | TIM_Encoder_InitTypeDef sConfig; |
||
| 661 | TIM_MasterConfigTypeDef sMasterConfig; |
||
| 662 | |||
| 663 | htim9.Instance = TIM9; |
||
| 664 | htim9.Init.Prescaler = 0; |
||
| 665 | htim9.Init.CounterMode = TIM_COUNTERMODE_UP; |
||
| 666 | htim9.Init.Period = 0xffff; |
||
| 667 | htim9.Init.ClockDivision = TIM_CLOCKDIVISION_DIV4; |
||
| 668 | sConfig.EncoderMode = TIM_ENCODERMODE_TI1; |
||
| 669 | sConfig.IC1Polarity = TIM_ICPOLARITY_FALLING; |
||
| 670 | sConfig.IC1Selection = TIM_ICSELECTION_DIRECTTI; |
||
| 671 | sConfig.IC1Prescaler = TIM_ICPSC_DIV1; |
||
| 672 | sConfig.IC1Filter = 15; |
||
| 673 | sConfig.IC2Polarity = TIM_ICPOLARITY_FALLING; |
||
| 674 | sConfig.IC2Selection = TIM_ICSELECTION_DIRECTTI; |
||
| 675 | sConfig.IC2Prescaler = TIM_ICPSC_DIV1; |
||
| 676 | sConfig.IC2Filter = 15; |
||
| 677 | if (HAL_TIM_Encoder_Init(&htim9, &sConfig) != HAL_OK) |
||
| 678 | { |
||
| 679 | Error_Handler(); |
||
| 680 | } |
||
| 681 | |||
| 682 | sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; |
||
| 683 | sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; |
||
| 684 | if (HAL_TIMEx_MasterConfigSynchronization(&htim9, &sMasterConfig) != HAL_OK) |
||
| 685 | { |
||
| 686 | Error_Handler(); |
||
| 687 | } |
||
| 688 | |||
| 689 | } |
||
| 690 | |||
| 3 | mjames | 691 | /* USART1 init function */ |
| 29 | mjames | 692 | static void MX_USART1_UART_Init(void) |
| 5 | mjames | 693 | { |
| 3 | mjames | 694 | |
| 16 | mjames | 695 | huart1.Instance = USART1; |
| 696 | huart1.Init.BaudRate = 19200; |
||
| 697 | huart1.Init.WordLength = UART_WORDLENGTH_8B; |
||
| 44 | mjames | 698 | huart1.Init.StopBits = UART_STOPBITS_1; |
| 16 | mjames | 699 | huart1.Init.Parity = UART_PARITY_NONE; |
| 700 | huart1.Init.Mode = UART_MODE_TX_RX; |
||
| 701 | huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; |
||
| 702 | huart1.Init.OverSampling = UART_OVERSAMPLING_16; |
||
| 29 | mjames | 703 | if (HAL_UART_Init(&huart1) != HAL_OK) |
| 704 | { |
||
| 705 | Error_Handler(); |
||
| 706 | } |
||
| 3 | mjames | 707 | |
| 708 | } |
||
| 709 | |||
| 2 | mjames | 710 | /* USART2 init function */ |
| 29 | mjames | 711 | static void MX_USART2_UART_Init(void) |
| 5 | mjames | 712 | { |
| 2 | mjames | 713 | |
| 16 | mjames | 714 | huart2.Instance = USART2; |
| 715 | huart2.Init.BaudRate = 115200; |
||
| 716 | huart2.Init.WordLength = UART_WORDLENGTH_8B; |
||
| 717 | huart2.Init.StopBits = UART_STOPBITS_1; |
||
| 718 | huart2.Init.Parity = UART_PARITY_NONE; |
||
| 719 | huart2.Init.Mode = UART_MODE_TX_RX; |
||
| 720 | huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE; |
||
| 721 | huart2.Init.OverSampling = UART_OVERSAMPLING_16; |
||
| 29 | mjames | 722 | if (HAL_UART_Init(&huart2) != HAL_OK) |
| 723 | { |
||
| 724 | Error_Handler(); |
||
| 725 | } |
||
| 2 | mjames | 726 | |
| 727 | } |
||
| 728 | |||
| 23 | mjames | 729 | /* USART3 init function */ |
| 29 | mjames | 730 | static void MX_USART3_UART_Init(void) |
| 23 | mjames | 731 | { |
| 732 | |||
| 733 | huart3.Instance = USART3; |
||
| 734 | huart3.Init.BaudRate = 19200; |
||
| 735 | huart3.Init.WordLength = UART_WORDLENGTH_8B; |
||
| 44 | mjames | 736 | huart3.Init.StopBits = UART_STOPBITS_2; |
| 737 | huart3.Init.Parity = UART_PARITY_NONE; |
||
| 23 | mjames | 738 | huart3.Init.Mode = UART_MODE_TX_RX; |
| 739 | huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE; |
||
| 740 | huart3.Init.OverSampling = UART_OVERSAMPLING_16; |
||
| 29 | mjames | 741 | if (HAL_UART_Init(&huart3) != HAL_OK) |
| 742 | { |
||
| 743 | Error_Handler(); |
||
| 744 | } |
||
| 23 | mjames | 745 | |
| 746 | } |
||
| 747 | |||
| 7 | mjames | 748 | /** Configure pins as |
| 29 | mjames | 749 | * Analog |
| 750 | * Input |
||
| 751 | * Output |
||
| 752 | * EVENT_OUT |
||
| 753 | * EXTI |
||
| 754 | */ |
||
| 755 | static void MX_GPIO_Init(void) |
||
| 5 | mjames | 756 | { |
| 2 | mjames | 757 | |
| 16 | mjames | 758 | GPIO_InitTypeDef GPIO_InitStruct; |
| 2 | mjames | 759 | |
| 16 | mjames | 760 | /* GPIO Ports Clock Enable */ |
| 29 | mjames | 761 | __HAL_RCC_GPIOH_CLK_ENABLE(); |
| 762 | __HAL_RCC_GPIOA_CLK_ENABLE(); |
||
| 763 | __HAL_RCC_GPIOC_CLK_ENABLE(); |
||
| 764 | __HAL_RCC_GPIOB_CLK_ENABLE(); |
||
| 2 | mjames | 765 | |
| 16 | mjames | 766 | /*Configure GPIO pin Output Level */ |
| 30 | mjames | 767 | HAL_GPIO_WritePin(GPIOA, SPI_NSS1_Pin|SPI1CD_Pin|BT_BUTTON_Pin, GPIO_PIN_RESET); |
| 2 | mjames | 768 | |
| 16 | mjames | 769 | /*Configure GPIO pin Output Level */ |
| 29 | mjames | 770 | HAL_GPIO_WritePin(GPIOC, SPI_RESET_Pin|SPI_NSS2_Pin|POWER_LATCH_Pin|USB_PWR_Pin, GPIO_PIN_RESET); |
| 2 | mjames | 771 | |
| 37 | mjames | 772 | /*Configure GPIO pins : SPI_NSS1_Pin SPI1CD_Pin */ |
| 773 | GPIO_InitStruct.Pin = SPI_NSS1_Pin|SPI1CD_Pin; |
||
| 16 | mjames | 774 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
| 29 | mjames | 775 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
| 16 | mjames | 776 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
| 29 | mjames | 777 | HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); |
| 2 | mjames | 778 | |
| 24 | mjames | 779 | /*Configure GPIO pins : SPI_RESET_Pin SPI_NSS2_Pin POWER_LATCH_Pin USB_PWR_Pin */ |
| 29 | mjames | 780 | GPIO_InitStruct.Pin = SPI_RESET_Pin|SPI_NSS2_Pin|POWER_LATCH_Pin|USB_PWR_Pin; |
| 16 | mjames | 781 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
| 29 | mjames | 782 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
| 16 | mjames | 783 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
| 29 | mjames | 784 | HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); |
| 2 | mjames | 785 | |
| 44 | mjames | 786 | /*Configure GPIO pins : SW1_PUSH_Pin SW2_PUSH_Pin */ |
| 787 | GPIO_InitStruct.Pin = SW1_PUSH_Pin|SW2_PUSH_Pin; |
||
| 16 | mjames | 788 | GPIO_InitStruct.Mode = GPIO_MODE_INPUT; |
| 32 | mjames | 789 | GPIO_InitStruct.Pull = GPIO_PULLUP; |
| 29 | mjames | 790 | HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); |
| 5 | mjames | 791 | |
| 32 | mjames | 792 | /*Configure GPIO pin : IGNITION_Pin */ |
| 793 | GPIO_InitStruct.Pin = IGNITION_Pin; |
||
| 794 | GPIO_InitStruct.Mode = GPIO_MODE_INPUT; |
||
| 795 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
||
| 796 | HAL_GPIO_Init(IGNITION_GPIO_Port, &GPIO_InitStruct); |
||
| 797 | |||
| 37 | mjames | 798 | /*Configure GPIO pin : BT_BUTTON_Pin */ |
| 799 | GPIO_InitStruct.Pin = BT_BUTTON_Pin; |
||
| 800 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD; |
||
| 801 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
||
| 802 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
||
| 803 | HAL_GPIO_Init(BT_BUTTON_GPIO_Port, &GPIO_InitStruct); |
||
| 804 | |||
| 2 | mjames | 805 | } |
| 806 | |||
| 807 | /* USER CODE BEGIN 4 */ |
||
| 808 | |||
| 809 | /* USER CODE END 4 */ |
||
| 810 | |||
| 5 | mjames | 811 | /** |
| 29 | mjames | 812 | * @brief This function is executed in case of error occurrence. |
| 813 | * @param None |
||
| 814 | * @retval None |
||
| 815 | */ |
||
| 816 | void Error_Handler(void) |
||
| 5 | mjames | 817 | { |
| 16 | mjames | 818 | /* USER CODE BEGIN Error_Handler */ |
| 30 | mjames | 819 | /* User can add his own implementation to report the HAL error return state */ |
| 820 | while (1) |
||
| 821 | { |
||
| 822 | } |
||
| 29 | mjames | 823 | /* USER CODE END Error_Handler */ |
| 5 | mjames | 824 | } |
| 825 | |||
| 2 | mjames | 826 | #ifdef USE_FULL_ASSERT |
| 827 | |||
| 828 | /** |
||
| 29 | mjames | 829 | * @brief Reports the name of the source file and the source line number |
| 830 | * where the assert_param error has occurred. |
||
| 831 | * @param file: pointer to the source file name |
||
| 832 | * @param line: assert_param error line source number |
||
| 833 | * @retval None |
||
| 834 | */ |
||
| 2 | mjames | 835 | void assert_failed(uint8_t* file, uint32_t line) |
| 29 | mjames | 836 | { |
| 837 | /* USER CODE BEGIN 6 */ |
||
| 30 | mjames | 838 | /* User can add his own implementation to report the file name and line number, |
| 839 | ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
||
| 29 | mjames | 840 | /* USER CODE END 6 */ |
| 2 | mjames | 841 | |
| 29 | mjames | 842 | } |
| 2 | mjames | 843 | |
| 844 | #endif |
||
| 845 | |||
| 846 | /** |
||
| 29 | mjames | 847 | * @} |
| 848 | */ |
||
| 2 | mjames | 849 | |
| 850 | /** |
||
| 29 | mjames | 851 | * @} |
| 852 | */ |
||
| 2 | mjames | 853 | |
| 854 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |