Code moved

radio/src/targets/sky9x/flash_driver.cpp

@@ -0,0 +1,83 @@
+#include "../../opentx.h"
+
+uint32_t (*IAP_Function)(uint32_t, uint32_t);
+
+void writeFlash(uint32_t *address, uint32_t *buffer)    // size is 256 bytes
+{
+  uint32_t FlashSectorNum;
+  uint32_t flash_cmd = 0;
+
+  /* Initialize the function pointer (retrieve function address from NMI vector) */
+  if ((uint32_t) address == FIRMWARE_START+BOOTLOADER_SIZE) {
+    if (isFirmwareStart(buffer))
+      FlashBlocked = 0;
+    else
+      FlashBlocked = 1;
+  }
+
+  if (FlashBlocked) {
+    return;
+  }
+
+  // Always initialise this here, setting a default doesn't seem to work
+  IAP_Function = (uint32_t (*)(uint32_t, uint32_t)) *(( uint32_t *)0x00800008);
+  FlashSectorNum = (uint32_t) address;
+  FlashSectorNum >>= 8;// page size is 256 bytes
+  FlashSectorNum &= 2047;// max page number
+
+  /* Send data to the sector here */
+  for (int i=0; i<FLASH_PAGESIZE/4; i++) {
+    *address++ = *buffer++;
+  }
+
+  /* build the command to send to EEFC */
+  flash_cmd = (0x5A << 24) | (FlashSectorNum << 8) | 0x03; //AT91C_MC_FCMD_EWP ;
+
+  __disable_irq();
+  /* Call the IAP function with appropriate command */
+  i = IAP_Function(0, flash_cmd);
+  __enable_irq();
+}
+
+uint32_t readLockBits()
+{
+  // Always initialise this here, setting a default doesn't seem to work
+  IAP_Function = (uint32_t (*)(uint32_t, uint32_t)) *(( uint32_t *)0x00800008);
+
+  uint32_t flash_cmd = (0x5A << 24) | 0x0A;//AT91C_MC_FCMD_GLB ;
+  __disable_irq();
+  (void) IAP_Function( 0, flash_cmd );
+  __enable_irq();
+  return EFC->EEFC_FRR;
+}
+
+void clearLockBits()
+{
+  uint32_t i;
+  uint32_t flash_cmd = 0;
+
+  // Always initialise this here, setting a default doesn't seem to work
+  IAP_Function = (uint32_t (*)(uint32_t, uint32_t)) *(( uint32_t *)0x00800008);
+  for ( i = 0; i < 16; i += 1 )
+  {
+    flash_cmd = (0x5A << 24) | ((128*i) << 8) | 0x09; //AT91C_MC_FCMD_CLB ;
+    __disable_irq();
+    /* Call the IAP function with appropriate command */
+    (void) IAP_Function( 0, flash_cmd );
+    __enable_irq();
+  }
+}
+
+uint32_t isFirmwareStart(uint32_t *block)
+{
+  if ((block[0] & 0xFFFE3000) != 0x20000000 ) {
+    return 0;
+  }
+  if ((block[1] & 0xFFF80000) != 0x00400000) {
+    return 0;
+  }
+  if ((block[2] & 0xFFF80000) != 0x00400000) {
+    return 0;
+  }
+  return 1;
+}