2020-2021 Sunseeker Telemetry and Lighting System
flashctl_ex3_longWordWrite.c
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32 //******************************************************************************
59 //******************************************************************************
60 
61 #include "driverlib.h"
62 
63 //*****************************************************************************
64 //
65 //Calibration data to be written into flash
66 //
67 //*****************************************************************************
68 uint32_t calibration_data[] = {0x12345678};
69 
70 //*****************************************************************************
71 //
72 //INFO address in flash to which data is written into
73 //
74 //*****************************************************************************
75 #define INFOD_START (0x1800)
76 
77 
78 void main (void)
79 {
80  uint8_t status;
81 
82  //Stop WDT
83  WDT_A_hold(WDT_A_BASE);
84 
85  //Set P1.0 to output direction
86  GPIO_setAsOutputPin(
87  GPIO_PORT_P1,
88  GPIO_PIN0
89  );
90 
91  //Erase INFOD
92  do {
93  FlashCtl_eraseSegment((uint8_t *)INFOD_START);
94  status = FlashCtl_performEraseCheck((uint8_t *)INFOD_START,
95  128
96  );
97  } while (status == STATUS_FAIL);
98 
99  //Flash write
100  FlashCtl_write32(calibration_data,
101  (uint32_t *)(INFOD_START),1);
102 
103  while (1)
104  {
105  //Toggle P1.0
106  GPIO_toggleOutputOnPin(
107  GPIO_PORT_P1,
108  GPIO_PIN0
109  );
110 
111  //Delay
112  __delay_cycles(1000000);
113  }
114 }
115 
#define INFOD_START
uint32_t calibration_data[]
void main(void)
#define STATUS_FAIL
Definition: hw_memmap.h:23
__delay_cycles(500000)
uint16_t status