LELEC2811 - I&S / Mbed 2 deprecated LELEC_2811_Accelerometer_2

LELEC_2811 Accelerometer application Based on the FRDM-KL25Z board Use the MMA8451Q sensor

Dependencies:   FreescaleIAP MMA8451Q mbed

main.cpp@1:19cb7d77efe1, 2018-09-23 (annotated)

Committer:
martlefebvre94
Date:
Sun Sep 23 09:57:41 2018 +0000
Revision:
1:19cb7d77efe1
Parent:
0:17f544fcad6f
Child:
2:af202a1edd28
Addition of FSR in object declaration

Who changed what in which revision?

UserRevisionLine numberNew contents of line
martlefebvre94 0:17f544fcad6f 1 /* LELEC_2811 Accelerometer Project
martlefebvre94 0:17f544fcad6f 2 UCL 2014 - P. Gérard
martlefebvre94 0:17f544fcad6f 3 */
martlefebvre94 0:17f544fcad6f 4 #include "mbed.h"
martlefebvre94 0:17f544fcad6f 5 #include "FreescaleIAP.h" // Library for Flash Access
martlefebvre94 0:17f544fcad6f 6 #include "MMA8451Q.h" // Accelerometer
martlefebvre94 0:17f544fcad6f 7
martlefebvre94 0:17f544fcad6f 8 #define MMA8451_I2C_ADDRESS (0x1d<<1)
martlefebvre94 0:17f544fcad6f 9
martlefebvre94 0:17f544fcad6f 10 #define NO_JUMPER 0
martlefebvre94 0:17f544fcad6f 11 #define JUMPER_PRESENT 1
martlefebvre94 0:17f544fcad6f 12
martlefebvre94 0:17f544fcad6f 13 #define LEVEL_0 0
martlefebvre94 0:17f544fcad6f 14 #define LEVEL_1 1
martlefebvre94 0:17f544fcad6f 15
martlefebvre94 0:17f544fcad6f 16 #define LED_ON 0
martlefebvre94 0:17f544fcad6f 17 #define LED_OFF 1
martlefebvre94 0:17f544fcad6f 18
martlefebvre94 0:17f544fcad6f 19 #define DISABLE_STATE 0
martlefebvre94 0:17f544fcad6f 20 #define ENABLE_STATE 1
martlefebvre94 0:17f544fcad6f 21
martlefebvre94 0:17f544fcad6f 22 #define REG_OUT_X_MSB 0x01
martlefebvre94 0:17f544fcad6f 23 #define REG_OUT_Y_MSB 0x03
martlefebvre94 0:17f544fcad6f 24 #define REG_OUT_Z_MSB 0x05
martlefebvre94 0:17f544fcad6f 25
martlefebvre94 0:17f544fcad6f 26 #define FLASH_NO_ACQ_DONE 0
martlefebvre94 0:17f544fcad6f 27 #define FLASH_ACQ_DONE 1
martlefebvre94 0:17f544fcad6f 28 #define ERASE_FLASH_ERROR -1
martlefebvre94 0:17f544fcad6f 29 #define WRITE_FLASH_ERROR -2
martlefebvre94 0:17f544fcad6f 30
martlefebvre94 0:17f544fcad6f 31 #define SECTOR_SIZE 1024
martlefebvre94 0:17f544fcad6f 32 #define RESERVED_SECTOR 32
martlefebvre94 0:17f544fcad6f 33
martlefebvre94 0:17f544fcad6f 34 #define ACQ_TIMER_PERIOD 0.01 // Time between 2 acquisitions (here 10 mSec)
martlefebvre94 0:17f544fcad6f 35
martlefebvre94 0:17f544fcad6f 36 typedef struct{
martlefebvre94 0:17f544fcad6f 37 int16_t X;
martlefebvre94 0:17f544fcad6f 38 int16_t Y;
martlefebvre94 0:17f544fcad6f 39 int16_t Z;
martlefebvre94 0:17f544fcad6f 40 } Accel_Data;
martlefebvre94 0:17f544fcad6f 41
martlefebvre94 0:17f544fcad6f 42 // --- Setup I2C for MMA8451
martlefebvre94 1:19cb7d77efe1 43 // --- The last argument is the full scale range (FSR). 0x00 for 2G, 0x01 for 4G, 0x02 for 8G
martlefebvre94 1:19cb7d77efe1 44 MMA8451Q my8451(PTE25, PTE24, MMA8451_I2C_ADDRESS, 0x02);
martlefebvre94 0:17f544fcad6f 45
martlefebvre94 0:17f544fcad6f 46 // --- Set Serial Port
martlefebvre94 0:17f544fcad6f 47 Serial Host_Comm(USBTX, USBRX); // tx, rxSerial pc(USBTX, USBRX); // tx, rx
martlefebvre94 0:17f544fcad6f 48
martlefebvre94 0:17f544fcad6f 49 Ticker myTick_Acq; // Periodical timer for Acquisition
martlefebvre94 0:17f544fcad6f 50
martlefebvre94 0:17f544fcad6f 51 DigitalOut Led_Red(LED1); // Define I/O for Leds
martlefebvre94 0:17f544fcad6f 52 DigitalOut Led_Green(LED2);
martlefebvre94 0:17f544fcad6f 53 DigitalOut Led_Blue(LED3);
martlefebvre94 0:17f544fcad6f 54
martlefebvre94 0:17f544fcad6f 55 DigitalOut Accel_Enable(PTA13);
martlefebvre94 0:17f544fcad6f 56
martlefebvre94 0:17f544fcad6f 57 DigitalOut Start_Pulse_Out(PTC9); // Used to enter/exit Acquisition mode
martlefebvre94 0:17f544fcad6f 58 DigitalIn Start_Pulse_In(PTC11); // ShortPin J1_15 and J1_16 to enter in Acq_Mode
martlefebvre94 0:17f544fcad6f 59
martlefebvre94 0:17f544fcad6f 60
martlefebvre94 0:17f544fcad6f 61 // Globale variable
martlefebvre94 0:17f544fcad6f 62 volatile bool bTimer; // 1 means a Timer tick is done
martlefebvre94 0:17f544fcad6f 63
martlefebvre94 0:17f544fcad6f 64 int Flash_Base_Address = RESERVED_SECTOR * SECTOR_SIZE ; // Store Flash Base Adresse with 32K reserved for Application Code
martlefebvre94 0:17f544fcad6f 65 int Nb_Sector;
martlefebvre94 0:17f544fcad6f 66 uint32_t KL25_Flash_Size;
martlefebvre94 0:17f544fcad6f 67
martlefebvre94 0:17f544fcad6f 68 // Function Declaration
martlefebvre94 0:17f544fcad6f 69
martlefebvre94 0:17f544fcad6f 70 void Clear_Led(void);
martlefebvre94 0:17f544fcad6f 71 int Acquisition_Flash(void);
martlefebvre94 0:17f544fcad6f 72 int Read_Data_Logging(void);
martlefebvre94 0:17f544fcad6f 73 bool Check_Jumper(void);
martlefebvre94 0:17f544fcad6f 74 void myTimer_Acq_Task(void);
martlefebvre94 0:17f544fcad6f 75 void Acquisition_Task(void);
martlefebvre94 0:17f544fcad6f 76 void Read_Task(void);
martlefebvre94 0:17f544fcad6f 77
martlefebvre94 0:17f544fcad6f 78 extern IAPCode verify_erased(int address, unsigned int length);
martlefebvre94 0:17f544fcad6f 79
martlefebvre94 0:17f544fcad6f 80 int main() {
martlefebvre94 0:17f544fcad6f 81
martlefebvre94 0:17f544fcad6f 82 uint8_t Count;
martlefebvre94 0:17f544fcad6f 83
martlefebvre94 0:17f544fcad6f 84 Start_Pulse_In.mode(PullNone); // Input Pin is programmed as floating
martlefebvre94 0:17f544fcad6f 85 Accel_Enable = DISABLE_STATE; // Turn Accel Enable to disabled state
martlefebvre94 0:17f544fcad6f 86
martlefebvre94 0:17f544fcad6f 87 // --- Baud rate setting
martlefebvre94 0:17f544fcad6f 88 Host_Comm.baud(115200);
martlefebvre94 0:17f544fcad6f 89
martlefebvre94 0:17f544fcad6f 90 Clear_Led();
martlefebvre94 0:17f544fcad6f 91
martlefebvre94 0:17f544fcad6f 92 KL25_Flash_Size = flash_size(); // Get Size of KL25 Embedded Flash
martlefebvre94 0:17f544fcad6f 93 Nb_Sector = (KL25_Flash_Size / SECTOR_SIZE) - RESERVED_SECTOR; // Reserve Max 32K for App Code
martlefebvre94 0:17f544fcad6f 94
martlefebvre94 0:17f544fcad6f 95 myTick_Acq.attach(&myTimer_Acq_Task, ACQ_TIMER_PERIOD);
martlefebvre94 0:17f544fcad6f 96
martlefebvre94 0:17f544fcad6f 97 Host_Comm.printf("\n\rLELEC2811 Accelerometer Logger V1.0 UCL 2014\n\r");
martlefebvre94 0:17f544fcad6f 98
martlefebvre94 0:17f544fcad6f 99 for (;;)
martlefebvre94 0:17f544fcad6f 100 {
martlefebvre94 0:17f544fcad6f 101 if (Check_Jumper() == JUMPER_PRESENT)
martlefebvre94 0:17f544fcad6f 102 {
martlefebvre94 0:17f544fcad6f 103 Clear_Led();
martlefebvre94 0:17f544fcad6f 104
martlefebvre94 0:17f544fcad6f 105 Count = 5;
martlefebvre94 0:17f544fcad6f 106 while (Count !=0)
martlefebvre94 0:17f544fcad6f 107 {
martlefebvre94 0:17f544fcad6f 108 if (Check_Jumper() == JUMPER_PRESENT)
martlefebvre94 0:17f544fcad6f 109 {
martlefebvre94 0:17f544fcad6f 110 Led_Blue = LED_ON; // Blink to alert user "Enter in Acquisition"
martlefebvre94 0:17f544fcad6f 111 wait_ms(900);
martlefebvre94 0:17f544fcad6f 112 Led_Blue = LED_OFF;
martlefebvre94 0:17f544fcad6f 113 wait_ms(100);
martlefebvre94 0:17f544fcad6f 114 Count --;
martlefebvre94 0:17f544fcad6f 115 if (Count == 0)
martlefebvre94 0:17f544fcad6f 116 {
martlefebvre94 0:17f544fcad6f 117 Acquisition_Task();
martlefebvre94 0:17f544fcad6f 118 }
martlefebvre94 0:17f544fcad6f 119 }
martlefebvre94 0:17f544fcad6f 120 else
martlefebvre94 0:17f544fcad6f 121 {
martlefebvre94 0:17f544fcad6f 122 Count = 0;
martlefebvre94 0:17f544fcad6f 123 }
martlefebvre94 0:17f544fcad6f 124 }
martlefebvre94 0:17f544fcad6f 125 }
martlefebvre94 0:17f544fcad6f 126 else
martlefebvre94 0:17f544fcad6f 127 {
martlefebvre94 0:17f544fcad6f 128 Read_Task();
martlefebvre94 0:17f544fcad6f 129 }
martlefebvre94 0:17f544fcad6f 130 }
martlefebvre94 0:17f544fcad6f 131 }
martlefebvre94 0:17f544fcad6f 132
martlefebvre94 0:17f544fcad6f 133 void Read_Task()
martlefebvre94 0:17f544fcad6f 134 {
martlefebvre94 0:17f544fcad6f 135 char host_cmd;
martlefebvre94 0:17f544fcad6f 136 IAPCode Flash_State;
martlefebvre94 0:17f544fcad6f 137 bool bAcq_Done;
martlefebvre94 0:17f544fcad6f 138
martlefebvre94 0:17f544fcad6f 139 Flash_State = verify_erased(Flash_Base_Address, KL25_Flash_Size - (RESERVED_SECTOR * SECTOR_SIZE));
martlefebvre94 0:17f544fcad6f 140 if (Flash_State == 0) // Virgin Flash ?
martlefebvre94 0:17f544fcad6f 141 {
martlefebvre94 0:17f544fcad6f 142 bAcq_Done = 0;
martlefebvre94 0:17f544fcad6f 143 }
martlefebvre94 0:17f544fcad6f 144 else
martlefebvre94 0:17f544fcad6f 145 {
martlefebvre94 0:17f544fcad6f 146 bAcq_Done = 1;
martlefebvre94 0:17f544fcad6f 147 }
martlefebvre94 0:17f544fcad6f 148
martlefebvre94 0:17f544fcad6f 149 Clear_Led();
martlefebvre94 0:17f544fcad6f 150 wait_ms(500);
martlefebvre94 0:17f544fcad6f 151
martlefebvre94 0:17f544fcad6f 152 if (bAcq_Done == 1)
martlefebvre94 0:17f544fcad6f 153 {
martlefebvre94 0:17f544fcad6f 154 Led_Green = LED_ON;
martlefebvre94 0:17f544fcad6f 155 Host_Comm.putc('1');
martlefebvre94 0:17f544fcad6f 156 }
martlefebvre94 0:17f544fcad6f 157 else
martlefebvre94 0:17f544fcad6f 158 {
martlefebvre94 0:17f544fcad6f 159 Led_Red = LED_ON;
martlefebvre94 0:17f544fcad6f 160 Host_Comm.putc('0');
martlefebvre94 0:17f544fcad6f 161 }
martlefebvre94 0:17f544fcad6f 162
martlefebvre94 0:17f544fcad6f 163 if(Host_Comm.readable()) // Did we receive a char from Host ?
martlefebvre94 0:17f544fcad6f 164 {
martlefebvre94 0:17f544fcad6f 165 host_cmd = Host_Comm.getc(); // Get it
martlefebvre94 0:17f544fcad6f 166
martlefebvre94 0:17f544fcad6f 167 if ((host_cmd == 'R') || (host_cmd == 'r')) // Read Flash Command ?
martlefebvre94 0:17f544fcad6f 168 {
martlefebvre94 0:17f544fcad6f 169 Read_Data_Logging(); // Read and send acquisition data
martlefebvre94 0:17f544fcad6f 170 }
martlefebvre94 0:17f544fcad6f 171 }
martlefebvre94 0:17f544fcad6f 172 wait_ms(50);
martlefebvre94 0:17f544fcad6f 173 }
martlefebvre94 0:17f544fcad6f 174
martlefebvre94 0:17f544fcad6f 175 void Acquisition_Task()
martlefebvre94 0:17f544fcad6f 176 {
martlefebvre94 0:17f544fcad6f 177 int Acq_Status;
martlefebvre94 0:17f544fcad6f 178
martlefebvre94 0:17f544fcad6f 179 Clear_Led();
martlefebvre94 0:17f544fcad6f 180
martlefebvre94 0:17f544fcad6f 181 Acq_Status = Acquisition_Flash();
martlefebvre94 0:17f544fcad6f 182
martlefebvre94 0:17f544fcad6f 183 Clear_Led();
martlefebvre94 0:17f544fcad6f 184
martlefebvre94 0:17f544fcad6f 185 while (Check_Jumper() == JUMPER_PRESENT)
martlefebvre94 0:17f544fcad6f 186 {
martlefebvre94 0:17f544fcad6f 187 if (Acq_Status != FLASH_ACQ_DONE)
martlefebvre94 0:17f544fcad6f 188 {
martlefebvre94 0:17f544fcad6f 189 Led_Red = !Led_Red;
martlefebvre94 0:17f544fcad6f 190 }
martlefebvre94 0:17f544fcad6f 191 else
martlefebvre94 0:17f544fcad6f 192 {
martlefebvre94 0:17f544fcad6f 193 Led_Green = !Led_Green;
martlefebvre94 0:17f544fcad6f 194 }
martlefebvre94 0:17f544fcad6f 195 wait_ms(100);
martlefebvre94 0:17f544fcad6f 196 }
martlefebvre94 0:17f544fcad6f 197 }
martlefebvre94 0:17f544fcad6f 198
martlefebvre94 0:17f544fcad6f 199 void Clear_Led(void)
martlefebvre94 0:17f544fcad6f 200 {
martlefebvre94 0:17f544fcad6f 201 Led_Red = LED_OFF;
martlefebvre94 0:17f544fcad6f 202 Led_Green = LED_OFF;
martlefebvre94 0:17f544fcad6f 203 Led_Blue = LED_OFF ; // Bug on board : Turning On Blue Led decrease consumption...
martlefebvre94 0:17f544fcad6f 204 }
martlefebvre94 0:17f544fcad6f 205
martlefebvre94 0:17f544fcad6f 206 bool Check_Jumper() // If J1_15 and J1_16 connected together -> return JUMPER_PRESENT
martlefebvre94 0:17f544fcad6f 207 {
martlefebvre94 0:17f544fcad6f 208 uint8_t i;
martlefebvre94 0:17f544fcad6f 209
martlefebvre94 0:17f544fcad6f 210 for (i = 0 ; i < 2 ; i ++)
martlefebvre94 0:17f544fcad6f 211 {
martlefebvre94 0:17f544fcad6f 212 Start_Pulse_Out = LEVEL_1;
martlefebvre94 0:17f544fcad6f 213 wait_ms(1);
martlefebvre94 0:17f544fcad6f 214 if (Start_Pulse_In != LEVEL_1)
martlefebvre94 0:17f544fcad6f 215 {
martlefebvre94 0:17f544fcad6f 216 return NO_JUMPER;
martlefebvre94 0:17f544fcad6f 217 }
martlefebvre94 0:17f544fcad6f 218
martlefebvre94 0:17f544fcad6f 219 Start_Pulse_Out = LEVEL_0;
martlefebvre94 0:17f544fcad6f 220 wait_ms(1);
martlefebvre94 0:17f544fcad6f 221 if (Start_Pulse_In != LEVEL_0)
martlefebvre94 0:17f544fcad6f 222 {
martlefebvre94 0:17f544fcad6f 223 return NO_JUMPER;
martlefebvre94 0:17f544fcad6f 224 }
martlefebvre94 0:17f544fcad6f 225 }
martlefebvre94 0:17f544fcad6f 226 return JUMPER_PRESENT;
martlefebvre94 0:17f544fcad6f 227 }
martlefebvre94 0:17f544fcad6f 228
martlefebvre94 0:17f544fcad6f 229 int Acquisition_Flash(void)
martlefebvre94 0:17f544fcad6f 230 {
martlefebvre94 0:17f544fcad6f 231 int Status;
martlefebvre94 0:17f544fcad6f 232 int Flash_Ptr ;
martlefebvre94 0:17f544fcad6f 233 uint8_t Data_Ptr;
martlefebvre94 0:17f544fcad6f 234 Accel_Data myData[2];
martlefebvre94 1:19cb7d77efe1 235 uint8_t Ready;
martlefebvre94 0:17f544fcad6f 236 int Led_Counter;
martlefebvre94 0:17f544fcad6f 237
martlefebvre94 0:17f544fcad6f 238
martlefebvre94 0:17f544fcad6f 239 for (Flash_Ptr = Flash_Base_Address ; Flash_Ptr < KL25_Flash_Size ; Flash_Ptr += 0x400)
martlefebvre94 0:17f544fcad6f 240 {
martlefebvre94 0:17f544fcad6f 241 Status = erase_sector(Flash_Ptr); // Erase sector
martlefebvre94 0:17f544fcad6f 242
martlefebvre94 0:17f544fcad6f 243 if (Status !=0)
martlefebvre94 0:17f544fcad6f 244 {
martlefebvre94 0:17f544fcad6f 245 return ERASE_FLASH_ERROR;
martlefebvre94 0:17f544fcad6f 246 }
martlefebvre94 0:17f544fcad6f 247 }
martlefebvre94 0:17f544fcad6f 248
martlefebvre94 0:17f544fcad6f 249 Flash_Ptr = Flash_Base_Address;
martlefebvre94 0:17f544fcad6f 250
martlefebvre94 0:17f544fcad6f 251 Led_Blue = LED_ON;
martlefebvre94 0:17f544fcad6f 252
martlefebvre94 0:17f544fcad6f 253 Led_Counter = 0;
martlefebvre94 0:17f544fcad6f 254 Data_Ptr = 0;
martlefebvre94 0:17f544fcad6f 255 while (Flash_Ptr < KL25_Flash_Size ) // Acq Loop
martlefebvre94 0:17f544fcad6f 256 {
martlefebvre94 0:17f544fcad6f 257 while (bTimer == 0) // Wait Acq Tick Timer
martlefebvre94 0:17f544fcad6f 258 {
martlefebvre94 0:17f544fcad6f 259
martlefebvre94 0:17f544fcad6f 260 }
martlefebvre94 0:17f544fcad6f 261 bTimer = 0;
martlefebvre94 0:17f544fcad6f 262
martlefebvre94 0:17f544fcad6f 263 Accel_Enable = ENABLE_STATE; // Rising Edge -> Start Accel Measure
martlefebvre94 0:17f544fcad6f 264
martlefebvre94 0:17f544fcad6f 265 if ((float) Led_Counter * ACQ_TIMER_PERIOD == 1.0) // Blink at 1 Hz
martlefebvre94 0:17f544fcad6f 266 {
martlefebvre94 0:17f544fcad6f 267 Led_Counter = 0;
martlefebvre94 0:17f544fcad6f 268 Led_Blue = !Led_Blue;
martlefebvre94 0:17f544fcad6f 269 }
martlefebvre94 1:19cb7d77efe1 270
martlefebvre94 1:19cb7d77efe1 271 Ready = 0;
martlefebvre94 1:19cb7d77efe1 272 while((Ready && 0x01) == 0) // Wait Accelerometer have new data's
martlefebvre94 1:19cb7d77efe1 273 {
martlefebvre94 1:19cb7d77efe1 274 Ready = my8451.Read_Status();
martlefebvre94 1:19cb7d77efe1 275 }
martlefebvre94 0:17f544fcad6f 276
martlefebvre94 0:17f544fcad6f 277 myData[Data_Ptr].X = my8451.getAccAxis(REG_OUT_X_MSB);
martlefebvre94 0:17f544fcad6f 278 myData[Data_Ptr].Y = my8451.getAccAxis(REG_OUT_Y_MSB);
martlefebvre94 0:17f544fcad6f 279 myData[Data_Ptr].Z = my8451.getAccAxis(REG_OUT_Z_MSB);
martlefebvre94 0:17f544fcad6f 280
martlefebvre94 0:17f544fcad6f 281 Led_Counter++;
martlefebvre94 0:17f544fcad6f 282
martlefebvre94 0:17f544fcad6f 283 Accel_Enable = DISABLE_STATE;
martlefebvre94 0:17f544fcad6f 284
martlefebvre94 0:17f544fcad6f 285 //Host_Comm.printf("\n\r%x\tX = %f", Flash_Ptr, float(myData[Data_Ptr].X)*4.0/4096.0 );
martlefebvre94 0:17f544fcad6f 286 //Host_Comm.printf("\tY = %f", float(myData[Data_Ptr].Y)*4.0/4096.0 );
martlefebvre94 0:17f544fcad6f 287 //Host_Comm.printf("\tZ = %f", float(myData[Data_Ptr].Z)*4.0/4096.0 );
martlefebvre94 0:17f544fcad6f 288
martlefebvre94 0:17f544fcad6f 289 Data_Ptr ++;
martlefebvre94 0:17f544fcad6f 290
martlefebvre94 0:17f544fcad6f 291 if (Data_Ptr == 2)// Save 2 acquistions -> 2 * 3 * 2 bytes = 12 bytes
martlefebvre94 0:17f544fcad6f 292 {
martlefebvre94 0:17f544fcad6f 293 Data_Ptr = 0;
martlefebvre94 0:17f544fcad6f 294 Status = program_flash(Flash_Ptr, (char *) &myData[0].X, 4); // Write 4 bytes in the Flash
martlefebvre94 0:17f544fcad6f 295 if (Status !=0)
martlefebvre94 0:17f544fcad6f 296 {
martlefebvre94 0:17f544fcad6f 297 return WRITE_FLASH_ERROR;
martlefebvre94 0:17f544fcad6f 298 }
martlefebvre94 0:17f544fcad6f 299
martlefebvre94 0:17f544fcad6f 300 Flash_Ptr += 4;
martlefebvre94 0:17f544fcad6f 301 Status = program_flash(Flash_Ptr, (char *) &myData[0].Z, 4); // Write 4 bytes in the Flash
martlefebvre94 0:17f544fcad6f 302 if (Status !=0)
martlefebvre94 0:17f544fcad6f 303 {
martlefebvre94 0:17f544fcad6f 304 return WRITE_FLASH_ERROR;
martlefebvre94 0:17f544fcad6f 305 }
martlefebvre94 0:17f544fcad6f 306
martlefebvre94 0:17f544fcad6f 307 Flash_Ptr += 4;
martlefebvre94 0:17f544fcad6f 308 Status = program_flash(Flash_Ptr, (char *) &myData[0].Y, 4); // Bug corrected 23/11/2016
martlefebvre94 0:17f544fcad6f 309 if (Status !=0)
martlefebvre94 0:17f544fcad6f 310 {
martlefebvre94 0:17f544fcad6f 311 return WRITE_FLASH_ERROR;
martlefebvre94 0:17f544fcad6f 312 }
martlefebvre94 0:17f544fcad6f 313
martlefebvre94 0:17f544fcad6f 314 Flash_Ptr += 4;
martlefebvre94 0:17f544fcad6f 315
martlefebvre94 0:17f544fcad6f 316 if ((Flash_Ptr & 0x3FC) == 0x3FC)
martlefebvre94 0:17f544fcad6f 317 {
martlefebvre94 0:17f544fcad6f 318 Flash_Ptr += 4; //170 * 6 = 1020 ---> skip 4 last bytes of each sector of 1024 bytes
martlefebvre94 0:17f544fcad6f 319 }
martlefebvre94 0:17f544fcad6f 320 }
martlefebvre94 0:17f544fcad6f 321 if (Check_Jumper() != JUMPER_PRESENT) // If Jumper remoded -> Stop Acquisition
martlefebvre94 0:17f544fcad6f 322 {
martlefebvre94 0:17f544fcad6f 323 return FLASH_ACQ_DONE ;
martlefebvre94 0:17f544fcad6f 324 }
martlefebvre94 0:17f544fcad6f 325 }
martlefebvre94 0:17f544fcad6f 326 return FLASH_ACQ_DONE ;
martlefebvre94 0:17f544fcad6f 327 }
martlefebvre94 0:17f544fcad6f 328
martlefebvre94 0:17f544fcad6f 329 int Read_Data_Logging()
martlefebvre94 0:17f544fcad6f 330 {
martlefebvre94 0:17f544fcad6f 331 int16_t *data = (int16_t *) Flash_Base_Address; // uint16 pointer of data stored in Flash
martlefebvre94 0:17f544fcad6f 332 int Flash_Ptr;
martlefebvre94 0:17f544fcad6f 333 char cmd;
martlefebvre94 0:17f544fcad6f 334 int Record_Counter;
martlefebvre94 0:17f544fcad6f 335 float X_Val, Y_Val, Z_Val;
martlefebvre94 0:17f544fcad6f 336 int16_t Raw_X, Raw_Y, Raw_Z;
martlefebvre94 0:17f544fcad6f 337 int Max_Record;
martlefebvre94 0:17f544fcad6f 338
martlefebvre94 0:17f544fcad6f 339 Clear_Led();
martlefebvre94 0:17f544fcad6f 340
martlefebvre94 0:17f544fcad6f 341 Max_Record = Nb_Sector * (SECTOR_SIZE / sizeof(Accel_Data));
martlefebvre94 0:17f544fcad6f 342 Record_Counter = 0;
martlefebvre94 0:17f544fcad6f 343 Flash_Ptr = 0;
martlefebvre94 0:17f544fcad6f 344
martlefebvre94 0:17f544fcad6f 345 //Host_Comm.printf("\n\rBegin of Data");
martlefebvre94 0:17f544fcad6f 346
martlefebvre94 0:17f544fcad6f 347 while (Record_Counter < Max_Record)
martlefebvre94 0:17f544fcad6f 348 {
martlefebvre94 0:17f544fcad6f 349 Led_Green = !Led_Green;
martlefebvre94 0:17f544fcad6f 350 Led_Blue = !Led_Green;
martlefebvre94 0:17f544fcad6f 351
martlefebvre94 0:17f544fcad6f 352 if(Host_Comm.readable())
martlefebvre94 0:17f544fcad6f 353 {
martlefebvre94 0:17f544fcad6f 354 cmd = Host_Comm.getc();
martlefebvre94 0:17f544fcad6f 355 if ((cmd == 'S') || (cmd == 's')) // Receiving 'S' or 's' means stop Read Flash
martlefebvre94 0:17f544fcad6f 356 {
martlefebvre94 0:17f544fcad6f 357 Clear_Led();
martlefebvre94 0:17f544fcad6f 358 return 0;
martlefebvre94 0:17f544fcad6f 359 }
martlefebvre94 0:17f544fcad6f 360 }
martlefebvre94 0:17f544fcad6f 361
martlefebvre94 0:17f544fcad6f 362 Record_Counter ++;
martlefebvre94 0:17f544fcad6f 363
martlefebvre94 0:17f544fcad6f 364 Raw_X = data[Flash_Ptr++];
martlefebvre94 0:17f544fcad6f 365 Raw_Y = data[Flash_Ptr++];
martlefebvre94 0:17f544fcad6f 366 Raw_Z = data[Flash_Ptr++];
martlefebvre94 0:17f544fcad6f 367
martlefebvre94 0:17f544fcad6f 368 if ((Raw_X == -1) && (Raw_Y == -1) && (Raw_Z == -1)) // Valid data ? (!= 0xFFFFFFFF from empty Flash sector)
martlefebvre94 0:17f544fcad6f 369 {
martlefebvre94 0:17f544fcad6f 370 }
martlefebvre94 0:17f544fcad6f 371 else
martlefebvre94 0:17f544fcad6f 372 {
martlefebvre94 0:17f544fcad6f 373 X_Val = float(Raw_X) * 4.0/4096.0;
martlefebvre94 0:17f544fcad6f 374 Y_Val = float(Raw_Y) * 4.0/4096.0;
martlefebvre94 0:17f544fcad6f 375 Z_Val = float(Raw_Z) * 4.0/4096.0;
martlefebvre94 0:17f544fcad6f 376
martlefebvre94 0:17f544fcad6f 377 Host_Comm.printf("\n\r%d\tX=%.4f\tY=%.4f\tZ=%.4f", Record_Counter, X_Val, Y_Val, Z_Val);
martlefebvre94 0:17f544fcad6f 378 }
martlefebvre94 0:17f544fcad6f 379
martlefebvre94 0:17f544fcad6f 380 if ((Flash_Ptr & 0x1FE) == 0x1FE)
martlefebvre94 0:17f544fcad6f 381 {
martlefebvre94 0:17f544fcad6f 382 Flash_Ptr +=2; // skip the last bytes at the end of a sector
martlefebvre94 0:17f544fcad6f 383 }
martlefebvre94 0:17f544fcad6f 384 }
martlefebvre94 0:17f544fcad6f 385 //Host_Comm.printf("\n\rEnd of Data");
martlefebvre94 0:17f544fcad6f 386 Clear_Led();
martlefebvre94 0:17f544fcad6f 387 return 0;
martlefebvre94 0:17f544fcad6f 388 }
martlefebvre94 0:17f544fcad6f 389
martlefebvre94 0:17f544fcad6f 390 /* Interrupt Task */
martlefebvre94 0:17f544fcad6f 391 void myTimer_Acq_Task()
martlefebvre94 0:17f544fcad6f 392 {
martlefebvre94 0:17f544fcad6f 393 bTimer = 1;
martlefebvre94 0:17f544fcad6f 394 }