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Added integration of LittleFS on top of our flash infrastructure. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@15415 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio 2022-01-28 08:43:32 +00:00
parent 6b6813ec90
commit 5293cb6eba
5 changed files with 60 additions and 13 deletions
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1
os/various/littlefs_bindings/lfs_hal.h
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@ -61,7 +61,6 @@
#ifdef __cplusplus
extern "C" {
#endif
void lfsInit(void);
int __lfs_read(const struct lfs_config *c, lfs_block_t block,
lfs_off_t off, void *buffer, lfs_size_t size);
int __lfs_prog(const struct lfs_config *c, lfs_block_t block,

1
readme.txt
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@ -74,6 +74,7 @@
*****************************************************************************
*** Next ***
- NEW: Added integration of LittleFS on top of our flash infrastructure.
- NEW: Added a new MEM_IS_VALID_FUNCTION() macro to RT and NIL.
- NEW: Improved HAL flash interface with mutual exclusion methods, improved
EFL and SNOR drivers to use it.

5
testhal/STM32/multi/WSPI-LITTLEFS/.project
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@ -76,6 +76,11 @@
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
</natures>
<linkedResources>
<link>
<name>littlefs</name>
<type>2</type>
<locationURI>CHIBIOS/ext/littlefs</locationURI>
</link>
<link>
<name>os</name>
<type>2</type>

64
testhal/STM32/multi/WSPI-LITTLEFS/main.c
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@ -18,17 +18,54 @@
#include "ch.h"
#include "hal.h"
#include "lfs.h"
#include "lfs_hal.h"
#include "hal_serial_nor.h"
#include "portab.h"
const SNORConfig snorcfg1 = {
static const SNORConfig snorcfg1 = {
.busp = &PORTAB_WSPI1,
.buscfg = &WSPIcfg1
};
SNORDriver snor1;
static SNORDriver snor1;
static uint8_t __lfs_read_buffer[16];
static uint8_t __lfs_prog_buffer[16];
static uint8_t __lfs_lookahead_buffer[16];
static const struct lfs_config lfscfg = {
/* Link to the flash device driver.*/
.context = &snor1,
/* Block device operations.*/
.read = __lfs_read,
.prog = __lfs_prog,
.erase = __lfs_erase,
.sync = __lfs_sync,
.lock = __lfs_lock,
.unlock = __lfs_unlock,
/* Block device configuration.*/
.read_size = 16,
.prog_size = 16,
.block_size = 4096,
.block_count = 128,
.block_cycles = 500,
.cache_size = 16,
.lookahead_size = 16,
.read_buffer = __lfs_read_buffer,
.prog_buffer = __lfs_prog_buffer,
.lookahead_buffer = __lfs_lookahead_buffer,
.name_max = 0,
.file_max = 0,
.attr_max = 0,
.metadata_max = 0
};
static lfs_t lfs;
/*
* LED blinker thread, times are in milliseconds.
@ -50,6 +87,7 @@ static THD_FUNCTION(Thread1, arg) {
* Application entry point.
*/
int main(void) {
int err;
/*
* System initializations.
@ -70,19 +108,23 @@ int main(void) {
/* Initializing and starting snor1 driver.*/
snorObjectInit(&snor1);
snorStart(&snor1, &snorcfg1);
#if 1
/* Testing memory mapped mode.*/
{
uint8_t *addr;
snorMemoryMap(&snor1, &addr);
chThdSleepMilliseconds(50);
snorMemoryUnmap(&snor1);
}
#endif
/* Creates the blinker thread.*/
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
/* Mounting the file system, if it fails then formatting.*/
err = lfs_mount(&lfs, &lfscfg);
if (err < 0) {
err = lfs_format(&lfs, &lfscfg);
if (err < 0) {
chSysHalt("LFS format failed");
}
err = lfs_mount(&lfs, &lfscfg);
if (err < 0) {
chSysHalt("LFS mount failed");
}
}
/* Normal main() thread activity, in this demo it does nothing.*/
while (true) {
if (palReadLine(PORTAB_LINE_BUTTON) == PORTAB_BUTTON_PRESSED) {

2
testhal/STM32/multi/WSPI-LITTLEFS/make/stm32l4r9ai_discovery.make
View File

@ -55,7 +55,7 @@ endif
# Stack size to be allocated to the Cortex-M process stack. This stack is
# the stack used by the main() thread.
ifeq ($(USE_PROCESS_STACKSIZE),)
USE_PROCESS_STACKSIZE = 0x400
USE_PROCESS_STACKSIZE = 0x800
endif
# Stack size to the allocated to the Cortex-M main/exceptions stack. This