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Merge pull request #954 from opentx/bsongis/Bootloader_FIRMWARE_exported_in_masstorage

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Bsongis/bootloader firmware exported in masstorage
This commit is contained in:
Andre Bernet 2014-04-08 16:50:11 +02:00
commit 578a94f744
6 changed files with 276 additions and 200 deletions
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40
radio/src/bootloader/boot.cpp
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@ -79,14 +79,6 @@
#define BOOTLOADER_TITLE "Boot Loader - Sky9x"
#endif
#define BOOTLOADER_SIZE 0x8000
#if defined(PCBTARANIS)
#define FIRMWARE_ADDRESS 0x08000000
#elif defined(PCBSKY9X)
#define FIRMWARE_ADDRESS 0x00400000
#endif
// states
enum BootLoaderStates {
ST_START,
@ -212,15 +204,12 @@ uint32_t isFirmwareStart( uint32_t *block )
uint32_t (*IAP_Function)(uint32_t, uint32_t);
uint32_t program( uint32_t *address, uint32_t *buffer ) // size is 256 bytes
void writeFlash(uint32_t *address, uint32_t *buffer) // size is 256 bytes
{
uint32_t FlashSectorNum;
uint32_t flash_cmd = 0;
uint32_t i;
// uint32_t flash_status = 0;
// uint32_t EFCIndex = 0; // 0:EEFC0, 1: EEFC1
/* Initialize the function pointer (retrieve function address from NMI vector) */
/* Initialize the function pointer (retrieve function address from NMI vector) */
if ((uint32_t) address == FIRMWARE_START+BOOTLOADER_SIZE) {
if (isFirmwareStart(buffer))
FlashBlocked = 0;
@ -229,7 +218,7 @@ uint32_t program( uint32_t *address, uint32_t *buffer ) // size is 256 bytes
}
if (FlashBlocked) {
return 1;
return;
}
// Always initialise this here, setting a default doesn't seem to work
@ -239,8 +228,7 @@ uint32_t program( uint32_t *address, uint32_t *buffer ) // size is 256 bytes
FlashSectorNum &= 2047;// max page number
/* Send data to the sector here */
for ( i = 0; i < 64; i += 1 )
{
for (int i=0; i<FLASH_PAGESIZE/4; i++) {
*address++ = *buffer++;
}
@ -249,9 +237,8 @@ uint32_t program( uint32_t *address, uint32_t *buffer ) // size is 256 bytes
__disable_irq();
/* Call the IAP function with appropriate command */
i = IAP_Function( 0, flash_cmd );
i = IAP_Function(0, flash_cmd);
__enable_irq();
return i;
}
uint32_t readLockBits()
@ -420,7 +407,7 @@ void eraseSector(uint32_t sector)
FLASH->CR &= SECTOR_MASK;
}
uint32_t program(uint32_t *address, uint32_t *buffer) // size is 256 bytes
void writeFlash(uint32_t *address, uint32_t *buffer) // size is 256 bytes
{
uint32_t i;
@ -434,7 +421,7 @@ uint32_t program(uint32_t *address, uint32_t *buffer) // size is 256 bytes
}
if (FlashBlocked) {
return 1;
return;
}
if ((uint32_t) address == 0x08008000) {
@ -478,13 +465,12 @@ uint32_t program(uint32_t *address, uint32_t *buffer) // size is 256 bytes
/* Check the written value */
if (*address != *buffer) {
/* Flash content doesn't match SRAM content */
return 2;
return;
}
/* Increment FLASH destination address */
address += 1;
buffer += 1;
}
return 0;
}
#endif
@ -877,11 +863,11 @@ int main()
uint32_t blockOffset = 0;
lcd_putsLeft(4*FH, "\032Loading...");
while (BlockCount) {
program((uint32_t *) firmwareAddress, &Block_buffer[blockOffset]); // size is 256 bytes
blockOffset += 64; // 32-bit words (256 bytes)
firmwareAddress += 256;
if (BlockCount > 256) {
BlockCount -= 256;
writeFlash((uint32_t *)firmwareAddress, &Block_buffer[blockOffset]);
blockOffset += FLASH_PAGESIZE/4; // 32-bit words
firmwareAddress += FLASH_PAGESIZE;
if (BlockCount > FLASH_PAGESIZE) {
BlockCount -= FLASH_PAGESIZE;
}
else {
BlockCount = 0;