jens/HendiControlFirmware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

-bootloader is flashing

Browse Source 
git-svn-id: http://moon:8086/svn/projects/HendiControl@52 fda53097-d464-4ada-af97-ba876c37ca34
This commit is contained in:
jens
2019-03-03 15:24:44 +00:00
parent 2c6927ff43
commit fda682f386
4 changed files with 162 additions and 109 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Control/firmware/Bootloader/Bootloader/Bootloader.cproj
+3 -3
View File
@@ -4,7 +4,7 @@
<SchemaVersion>2.0</SchemaVersion>
<ProjectVersion>7.0</ProjectVersion>
<ToolchainName>com.Atmel.AVRGCC8.C</ToolchainName>
<ProjectGuid>dce6c7e3-ee26-4d79-826b-08594b9ad897</ProjectGuid>
<ProjectGuid>{c77f8c5d-b585-42ee-bf03-003a6350cd7a}</ProjectGuid>
<avrdevice>ATmega328P</avrdevice>
<avrdeviceseries>none</avrdeviceseries>
<OutputType>Executable</OutputType>
@@ -88,7 +88,7 @@
</avrgcc.linker.libraries.Libraries>
<avrgcc.linker.memorysettings.Flash>
<ListValues>
<Value>.text=0x3C00</Value>
<Value>.text=0x3800</Value>
</ListValues>
</avrgcc.linker.memorysettings.Flash>
<avrgcc.assembler.general.IncludePaths>
@@ -133,7 +133,7 @@
</avrgcc.linker.libraries.Libraries>
<avrgcc.linker.memorysettings.Flash>
<ListValues>
<Value>.text=0x3C00</Value>
<Value>.text=0x3800</Value>
</ListValues>
</avrgcc.linker.memorysettings.Flash>
<avrgcc.assembler.general.IncludePaths>
Control/firmware/Bootloader/Bootloader/main.c
+75 -24
View File
@@ -15,8 +15,11 @@
#include "uart.h"
#include "srec.h"
void (*startApplication)( void ) = 0x0000; /* Funktionspointer auf 0x0000 */
void (*startBootloader)( void ) = 0x7800; /* Funktionspointer auf 0x0000 */
typedef void(fp_t)(void);
fp_t *startApplication = (fp_t*)0x0000; /* Funktionspointer auf 0x0000 */
fp_t *startBootloader = (fp_t*)0x7000; /* Funktionspointer auf 0x7000 */
#define SPM_PAGESIZE_MASK 0x7F
inline void bootloader_enter()
{
@@ -35,9 +38,6 @@ inline void bootloader_exit()
char temp = MCUCR;
MCUCR = temp | (1<<IVCE);
MCUCR = temp & ~(1<<IVSEL);
/* Return to address 0x0000 */
startApplication();
}
typedef enum _eState
@@ -46,8 +46,9 @@ typedef enum _eState
StateHex,
} State;
const char *stateStr[2] = {"Idle", "Hex"};
const char *srecStr[] = {"srec_err", "srec_sob", "srec_data", "srec_rec", "srec_eob"};
void write_page(uint16_t page_addr, uint8_t *buf);
void program_page (uint32_t page, uint8_t *buf);
int main(void)
{
uint8_t page_buffer[SPM_PAGESIZE];
@@ -58,15 +59,16 @@ int main(void)
cli();
bootloader_enter();
uart_init(115200);
uart_init(9600);
uart_puts("Hallo, Welt!\n");
uart_puts("Hendi-Control Bootloader\n");
size_t image_size = 0;
uint16_t page_addr = 0;
uint16_t page_addr = 0xFFFF;
int page_isEmpty = 1;
size_t hex_buffer_size = 0;
int leave_loop = 0;
while (1)
do
{
char c;
if ((c = uart_getc()))
@@ -90,7 +92,7 @@ int main(void)
}
if (C == 'Q')
{
startApplication();
leave_loop = 1;
}
break;
@@ -102,7 +104,6 @@ int main(void)
else
{
int srec_state = srec_decode(&srec, hex_buffer, hex_buffer_size);
uart_puts(" : "); uart_puts(srecStr[srec_state]); uart_puts("\n");
hex_buffer_size = 0;
switch(srec_state)
{
@@ -112,20 +113,53 @@ int main(void)
break;
case srec_data:
{
if ((srec.addr + srec.size) > image_size)
image_size = srec.addr + srec.size;
uint16_t next_page_addr = srec.addr & ~SPM_PAGESIZE_MASK;
int withinPage = (page_addr == next_page_addr);
if (!withinPage)
{
if (!page_isEmpty)
{
write_page(page_addr, page_buffer);
page_isEmpty = 1;
}
}
if (page_isEmpty)
{
// Begin new page
page_isEmpty = 0;
page_addr = srec.addr;
page_addr = srec.addr & ~SPM_PAGESIZE_MASK;
for (int i=0; i < SPM_PAGESIZE; i++)
{
page_buffer[i] = 0xFF;
}
uart_puts("SREC.ADDR: "); print_word(srec.addr); uart_puts("\n");
eeprom_busy_wait ();
boot_spm_busy_wait ();
boot_page_erase (page_addr);
uart_putc('.');
}
int start = srec.addr & SPM_PAGESIZE_MASK;
for (int i=0; i < srec.size; i++)
{
page_buffer[start + i] = srec.data[i];
}
image_size += srec.size;
}
break;
case srec_rec:
break;
case srec_eob:
state_next = StateIdle;
if (!page_isEmpty)
{
write_page(page_addr, page_buffer);
page_isEmpty = 1;
uart_puts("\nImage size: 0x"); print_word(image_size); uart_puts("\n");
}
/* Reenable RWW-section again. We need this if we want to jump back */
/* to the application after bootloading. */
boot_rww_enable ();
break;
case srec_err:
startBootloader();
@@ -138,16 +172,33 @@ int main(void)
break;
}
if (state_next != state)
{
uart_puts("State: "); uart_puts(stateStr[state]); uart_puts(" => "); uart_puts(stateStr[state_next]); uart_puts("\n");
}
state = state_next;
uart_putc(c);
}
}
uart_puts("Exit bootloader!\n");
} while (!leave_loop);
uart_puts("Exit bootloader!\n\n");
bootloader_exit();
/* Return to address 0x0000 */
startApplication();
}
void write_page(uint16_t page_addr, uint8_t *pPageBuffer)
{
uint16_t i;
// uart_puts("Write page 0x"); print_word(page_addr); uart_puts("\n");
boot_spm_busy_wait (); /* Wait until the memory is erased. */
for (i=0; i<SPM_PAGESIZE; i+=2)
{
/* Set up little-endian word. */
uint16_t w = *(pPageBuffer++);
w += *(pPageBuffer++) << 8;
boot_page_fill (page_addr + i, w);
}
boot_page_write (page_addr); /* Store buffer in flash page. */
}
Control/firmware/Bootloader/Bootloader/uart.h
+2
View File
@@ -11,6 +11,8 @@
#include "machine.h"
#define XON 17 /* XON Zeichen */
#define XOFF 19 /* XOFF Zeichen */
#define UART_PRESCALE(baudrate, smpPerBit) ((5+ 10*F_CPU / (baudrate*smpPerBit) - 1)/10)
void uart_init(uint32_t baudrate);