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Add a TODO to check for Supply Voltage before setting F4 paralleisme to 32 bits
[fw/stlink]
/
src
/
stlink-common.c
diff --git
a/src/stlink-common.c
b/src/stlink-common.c
index bec79c32772746e29923b708f8a01ba30fc0f2bf..5a51314240eceab6d68bf2d4144f4fd1c6b7aecf 100644
(file)
--- a/
src/stlink-common.c
+++ b/
src/stlink-common.c
@@
-368,9
+368,7
@@
uint32_t stlink_core_id(stlink_t *sl) {
}
uint32_t stlink_chip_id(stlink_t *sl) {
}
uint32_t stlink_chip_id(stlink_t *sl) {
- stlink_read_mem32(sl, 0xE0042000, 4);
- uint32_t chip_id = sl->q_buf[0] | (sl->q_buf[1] << 8) | (sl->q_buf[2] << 16) |
- (sl->q_buf[3] << 24);
+ uint32_t chip_id = stlink_read_debug32(sl, 0xE0042000);
return chip_id;
}
return chip_id;
}
@@
-380,8
+378,7
@@
uint32_t stlink_chip_id(stlink_t *sl) {
* @param cpuid pointer to the result object
*/
void stlink_cpu_id(stlink_t *sl, cortex_m3_cpuid_t *cpuid) {
* @param cpuid pointer to the result object
*/
void stlink_cpu_id(stlink_t *sl, cortex_m3_cpuid_t *cpuid) {
- stlink_read_mem32(sl, CM3_REG_CPUID, 4);
- uint32_t raw = read_uint32(sl->q_buf, 0);
+ uint32_t raw = stlink_read_debug32(sl, CM3_REG_CPUID);
cpuid->implementer_id = (raw >> 24) & 0x7f;
cpuid->variant = (raw >> 20) & 0xf;
cpuid->part = (raw >> 4) & 0xfff;
cpuid->implementer_id = (raw >> 24) & 0x7f;
cpuid->variant = (raw >> 20) & 0xf;
cpuid->part = (raw >> 4) & 0xfff;
@@
-428,8
+425,7
@@
int stlink_load_device_params(stlink_t *sl) {
} else if ((chip_id & 0xFFF) == STM32_CHIPID_F4) {
sl->flash_size = 0x100000; //todo: RM0090 error; size register same address as unique ID
} else {
} else if ((chip_id & 0xFFF) == STM32_CHIPID_F4) {
sl->flash_size = 0x100000; //todo: RM0090 error; size register same address as unique ID
} else {
- stlink_read_mem32(sl, params->flash_size_reg, 4);
- uint32_t flash_size = sl->q_buf[0] | (sl->q_buf[1] << 8);
+ uint32_t flash_size = stlink_read_debug32(sl, params->flash_size_reg) & 0xffff;
sl->flash_size = flash_size * 1024;
}
sl->flash_pgsz = params->flash_pagesize;
sl->flash_size = flash_size * 1024;
}
sl->flash_pgsz = params->flash_pagesize;
@@
-807,6
+803,8
@@
int stlink_fread(stlink_t* sl, const char* path, stm32_addr_t addr, size_t size)
int error = -1;
size_t off;
int error = -1;
size_t off;
+ int num_empty = 0;
+ unsigned char erased_pattern =(sl->chip_id == STM32_CHIPID_L1_MEDIUM)?0:0xff;
const int fd = open(path, O_RDWR | O_TRUNC | O_CREAT, 00700);
if (fd == -1) {
const int fd = open(path, O_RDWR | O_TRUNC | O_CREAT, 00700);
if (fd == -1) {
@@
-814,10
+812,17
@@
int stlink_fread(stlink_t* sl, const char* path, stm32_addr_t addr, size_t size)
return -1;
}
return -1;
}
+ if (size <1)
+ size = sl->flash_size;
+
+ if (size > sl->flash_size)
+ size = sl->flash_size;
+
/* do the copy by 1k blocks */
for (off = 0; off < size; off += 1024) {
size_t read_size = 1024;
size_t rounded_size;
/* do the copy by 1k blocks */
for (off = 0; off < size; off += 1024) {
size_t read_size = 1024;
size_t rounded_size;
+ size_t index;
if ((off + read_size) > size)
read_size = size - off;
if ((off + read_size) > size)
read_size = size - off;
@@
-828,12
+833,21
@@
int stlink_fread(stlink_t* sl, const char* path, stm32_addr_t addr, size_t size)
stlink_read_mem32(sl, addr + off, rounded_size);
stlink_read_mem32(sl, addr + off, rounded_size);
+ for(index = 0; index < read_size; index ++) {
+ if (sl->q_buf[index] == erased_pattern)
+ num_empty ++;
+ else
+ num_empty = 0;
+ }
if (write(fd, sl->q_buf, read_size) != (ssize_t) read_size) {
fprintf(stderr, "write() != read_size\n");
goto on_error;
}
}
if (write(fd, sl->q_buf, read_size) != (ssize_t) read_size) {
fprintf(stderr, "write() != read_size\n");
goto on_error;
}
}
+ /* Ignore NULL Bytes at end of file */
+ ftruncate(fd, size - num_empty);
+
/* success */
error = 0;
/* success */
error = 0;
@@
-970,7
+984,7
@@
int stlink_erase_flash_page(stlink_t *sl, stm32_addr_t flashaddr)
#endif /* fix_to_be_confirmed */
/* write 0 to the first word of the page to be erased */
#endif /* fix_to_be_confirmed */
/* write 0 to the first word of the page to be erased */
- stlink_write_
mem
32(sl, flashaddr, 0);
+ stlink_write_
debug
32(sl, flashaddr, 0);
/* MP: It is better to wait for clearing the busy bit after issuing
page erase command, even though PM0062 recommends to wait before it.
/* MP: It is better to wait for clearing the busy bit after issuing
page erase command, even though PM0062 recommends to wait before it.
@@
-1231,6
+1245,7
@@
int stlink_write_flash(stlink_t *sl, stm32_addr_t addr, uint8_t* base, unsigned
/* First unlock the cr */
unlock_flash_if(sl);
/* First unlock the cr */
unlock_flash_if(sl);
+ /* TODO: Check that Voltage range is 2.7 - 3.6 V */
/* set parallelisim to 32 bit*/
write_flash_cr_psiz(sl, 2);
/* set parallelisim to 32 bit*/
write_flash_cr_psiz(sl, 2);
@@
-1317,10
+1332,10
@@
int stlink_write_flash(stlink_t *sl, stm32_addr_t addr, uint8_t* base, unsigned
}
write_uint32((unsigned char*) &data, *(uint32_t*) (base + off));
}
write_uint32((unsigned char*) &data, *(uint32_t*) (base + off));
- stlink_write_
mem
32(sl, addr + off, data);
+ stlink_write_
debug
32(sl, addr + off, data);
/* wait for sr.busy to be cleared */
/* wait for sr.busy to be cleared */
- while (
stlink_read_debug32(sl, STM32L_FLASH_SR
& (1 << 0)) != 0) {
+ while (
(stlink_read_debug32(sl, STM32L_FLASH_SR)
& (1 << 0)) != 0) {
}
#if 0 /* todo: check redo write operation */
}
#if 0 /* todo: check redo write operation */
@@
-1413,11
+1428,23
@@
int stlink_write_flash(stlink_t *sl, stm32_addr_t addr, uint8_t* base, unsigned
int stlink_fwrite_flash(stlink_t *sl, const char* path, stm32_addr_t addr) {
/* write the file in flash at addr */
int err;
int stlink_fwrite_flash(stlink_t *sl, const char* path, stm32_addr_t addr) {
/* write the file in flash at addr */
int err;
+ unsigned int num_empty = 0, index;
+ unsigned char erased_pattern =(sl->chip_id == STM32_CHIPID_L1_MEDIUM)?0:0xff;
mapped_file_t mf = MAPPED_FILE_INITIALIZER;
if (map_file(&mf, path) == -1) {
WLOG("map_file() == -1\n");
return -1;
}
mapped_file_t mf = MAPPED_FILE_INITIALIZER;
if (map_file(&mf, path) == -1) {
WLOG("map_file() == -1\n");
return -1;
}
+ for(index = 0; index < mf.len; index ++) {
+ if (mf.base[index] == erased_pattern)
+ num_empty ++;
+ else
+ num_empty = 0;
+ }
+ if(num_empty != 0) {
+ ILOG("Ignoring %d bytes of Zeros at end of file\n",num_empty);
+ mf.len -= num_empty;
+ }
err = stlink_write_flash(sl, addr, mf.base, mf.len);
unmap_file(&mf);
return err;
err = stlink_write_flash(sl, addr, mf.base, mf.len);
unmap_file(&mf);
return err;