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flashconf

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This commit is contained in:
Rene Hopf
2017-09-26 00:01:38 +02:00
parent 234b7b59b1
commit 379321033d
3 changed files with 71 additions and 3 deletions
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67
shared/flashconf.c Normal file
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@@ -0,0 +1,67 @@
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "commands.h"
#include "stm32f3xx_hal.h"
#include "hal.h"
char config[1 * 1024];
const char *config_ro = (char *)0x0801fc00;
void flashloadconf(char *ptr) {
strncpy(config, config_ro, sizeof(config));
}
COMMAND("flashloadconf", flashloadconf, "load config from flash");
void flashsaveconf(char *ptr) {
printf("erasing flash page...\n");
HAL_FLASH_Unlock();
uint32_t PageError = 0;
HAL_StatusTypeDef status;
FLASH_EraseInitTypeDef eraseinitstruct;
eraseinitstruct.TypeErase = FLASH_TYPEERASE_PAGES;
eraseinitstruct.PageAddress = (uint32_t)config_ro;
eraseinitstruct.NbPages = 1;
status = HAL_FLASHEx_Erase(&eraseinitstruct, &PageError);
if(status != HAL_OK) {
printf("error!\n");
HAL_FLASH_Lock();
return;
}
printf("saving conf\n");
int ret = 0;
for(int i = 0;i<sizeof(config);i+=4){
uint32_t word = (config[i+0]) + (config[i+1] << 8) + (config[i+2] << 16) + (config[i+3] << 24);
ret = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, (uint32_t)config_ro + i, word) != HAL_OK;
if(ret) {
printf("error writing %i\n", ret);
break;
}
}
printf("OK %i bytes written\n", sizeof(config));
HAL_FLASH_Lock();
}
COMMAND("flashsaveconf", flashsaveconf, "save config to flash");
void loadconf(char *ptr) {
hal_parse(config);
}
COMMAND("loadconf", loadconf, "parse config");
void showconf(char *ptr) {
printf("%s", config_ro);
}
COMMAND("showconf", showconf, "show config");
void appendconf(char *ptr) {
printf("adding %s\n", ptr);
strncat(config, ptr, sizeof(config) - 1);
strncat(config, "\n", sizeof(config) - 1);
}
COMMAND("appendconf", appendconf, "append string to config");
void deleteconf(char *ptr) {
config[0] = '\0';
}
COMMAND("deleteconf", deleteconf, "delete config");

5
stm32f303/Makefile
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@@ -60,6 +60,7 @@ SOURCES += shared/crc16.c
SOURCES += shared/angle.c
SOURCES += shared/hal.c
SOURCES += shared/commands.c
SOURCES += shared/flashconf.c
#SOURCES += shared/hal_term.c
#USB Driver
@@ -94,8 +95,8 @@ SOURCES += $(HAL_DRV_DIR)/Src/stm32f3xx_hal_crc.c
# SOURCES += $(HAL_DRV_DIR)/Src/stm32f3xx_hal_dac.c
# SOURCES += $(HAL_DRV_DIR)/Src/stm32f3xx_hal_dac_ex.c
# SOURCES += $(HAL_DRV_DIR)/Src/stm32f3xx_hal_dma.c
# SOURCES += $(HAL_DRV_DIR)/Src/stm32f3xx_hal_flash.c
# SOURCES += $(HAL_DRV_DIR)/Src/stm32f3xx_hal_flash_ex.c
SOURCES += $(HAL_DRV_DIR)/Src/stm32f3xx_hal_flash.c
SOURCES += $(HAL_DRV_DIR)/Src/stm32f3xx_hal_flash_ex.c
SOURCES += $(HAL_DRV_DIR)/Src/stm32f3xx_hal_gpio.c
SOURCES += $(HAL_DRV_DIR)/Src/stm32f3xx_hal_spi.c
SOURCES += $(HAL_DRV_DIR)/Src/stm32f3xx_hal_spi_ex.c

2
stm32f303/STM32F303CBTx_FLASH.ld
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@@ -62,7 +62,7 @@ MEMORY
{
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 32K
CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 8K
FLASH (rx) : ORIGIN = 0x8004000, LENGTH = 112K
FLASH (rx) : ORIGIN = 0x8004000, LENGTH = 111K
}
/* Define output sections */