From 202e89de911a8acddcec400b0c2956f5590d8bc8 Mon Sep 17 00:00:00 2001 From: Lorenz Meier Date: Tue, 14 Jan 2014 08:58:58 +0100 Subject: Introducing mtd status command, fixing compile errors for I2C setup --- src/systemcmds/mtd/mtd.c | 117 +++++++++++++++++++++++++++++++++++------------ 1 file changed, 88 insertions(+), 29 deletions(-) (limited to 'src/systemcmds') diff --git a/src/systemcmds/mtd/mtd.c b/src/systemcmds/mtd/mtd.c index e89b6e5aa..41da63750 100644 --- a/src/systemcmds/mtd/mtd.c +++ b/src/systemcmds/mtd/mtd.c @@ -62,6 +62,8 @@ #include "systemlib/param/param.h" #include "systemlib/err.h" +#include + __EXPORT int mtd_main(int argc, char *argv[]); #ifndef CONFIG_MTD @@ -76,15 +78,25 @@ int mtd_main(int argc, char *argv[]) #ifdef CONFIG_MTD_RAMTRON static void ramtron_attach(void); +#else + +#ifndef PX4_I2C_BUS_ONBOARD +# error PX4_I2C_BUS_ONBOARD not defined, cannot locate onboard EEPROM #endif + static void at24xxx_attach(void); +#endif static void mtd_start(char *partition_names[], unsigned n_partitions); static void mtd_test(void); static void mtd_erase(char *partition_names[], unsigned n_partitions); +static void mtd_print_info(); +static int mtd_get_geometry(unsigned long *blocksize, unsigned long *erasesize, unsigned long *neraseblocks, + unsigned *blkpererase, unsigned *nblocks, unsigned *partsize, unsigned n_partitions); static bool attached = false; static bool started = false; static struct mtd_dev_s *mtd_dev; +static unsigned n_partitions_current = 0; /* note, these will be equally sized */ static char *partition_names_default[] = {"/fs/mtd_params", "/fs/mtd_waypoints"}; @@ -107,6 +119,9 @@ int mtd_main(int argc, char *argv[]) if (!strcmp(argv[1], "test")) mtd_test(); + if (!strcmp(argv[1], "status")) + mtd_status(); + if (!strcmp(argv[1], "erase")) { if (argc < 3) { errx(1, "usage: mtd erase "); @@ -157,7 +172,7 @@ ramtron_attach(void) attached = true; } -#endif +#else static void at24xxx_attach(void) @@ -188,6 +203,7 @@ at24xxx_attach(void) attached = true; } +#endif static void mtd_start(char *partition_names[], unsigned n_partitions) @@ -210,34 +226,12 @@ mtd_start(char *partition_names[], unsigned n_partitions) exit(1); } + unsigned long blocksize, erasesize, neraseblocks; + unsigned blkpererase, nblocks, partsize; - /* Get the geometry of the FLASH device */ - - FAR struct mtd_geometry_s geo; - - ret = mtd_dev->ioctl(mtd_dev, MTDIOC_GEOMETRY, (unsigned long)((uintptr_t)&geo)); - - if (ret < 0) { - warnx("ERROR: mtd->ioctl failed: %d", ret); + ret = mtd_get_geometry(&blocksize, &erasesize, &neraseblocks, &blkpererase, &nblocks, &partsize, n_partitions); + if (ret) exit(3); - } - - warnx("Flash Geometry:"); - warnx(" blocksize: %lu", (unsigned long)geo.blocksize); - warnx(" erasesize: %lu", (unsigned long)geo.erasesize); - warnx(" neraseblocks: %lu", (unsigned long)geo.neraseblocks); - - /* Determine the size of each partition. Make each partition an even - * multiple of the erase block size (perhaps not using some space at the - * end of the FLASH). - */ - - unsigned blkpererase = geo.erasesize / geo.blocksize; - unsigned nblocks = (geo.neraseblocks / n_partitions) * blkpererase; - unsigned partsize = nblocks * geo.blocksize; - - warnx(" No. partitions: %u", n_partitions); - warnx(" Partition size: %lu Blocks (%lu bytes)", (unsigned long)nblocks, (unsigned long)partsize); /* Now create MTD FLASH partitions */ @@ -284,18 +278,83 @@ mtd_start(char *partition_names[], unsigned n_partitions) } } + n_partitions_current = n_partitions; + started = true; exit(0); } -static void +int mtd_get_geometry(unsigned long *blocksize, unsigned long *erasesize, unsigned long *neraseblocks, + unsigned *blkpererase, unsigned *nblocks, unsigned *partsize, unsigned n_partitions) +{ + /* Get the geometry of the FLASH device */ + + FAR struct mtd_geometry_s geo; + + int ret = mtd_dev->ioctl(mtd_dev, MTDIOC_GEOMETRY, (unsigned long)((uintptr_t)&geo)); + + if (ret < 0) { + warnx("ERROR: mtd->ioctl failed: %d", ret); + return ret; + } + + *blocksize = geo.blocksize; + *erasesize = geo.blocksize; + *neraseblocks = geo.neraseblocks; + + /* Determine the size of each partition. Make each partition an even + * multiple of the erase block size (perhaps not using some space at the + * end of the FLASH). + */ + + *blkpererase = geo.erasesize / geo.blocksize; + *nblocks = (geo.neraseblocks / n_partitions) * *blkpererase; + *partsize = *nblocks * geo.blocksize; + + return ret; +} + +void mtd_print_info() +{ + if (!attached) + exit(1); + + unsigned long blocksize, erasesize, neraseblocks; + unsigned blkpererase, nblocks, partsize; + + int ret = mtd_get_geometry(&blocksize, &erasesize, &neraseblocks, &blkpererase, &nblocks, &partsize, n_partitions_current); + if (ret) + exit(3); + + warnx("Flash Geometry:"); + + printf(" blocksize: %lu\n", blocksize); + printf(" erasesize: %lu\n", erasesize); + printf(" neraseblocks: %lu\n", neraseblocks); + printf(" No. partitions: %u\n", n_partitions_current); + printf(" Partition size: %u Blocks (%u bytes)\n", nblocks, partsize); + printf(" TOTAL SIZE: %u KiB\n", neraseblocks * erasesize / 1024); + +} + +void mtd_test(void) { warnx("This test routine does not test anything yet!"); exit(1); } -static void +void +mtd_status(void) +{ + if (!attached) + errx(1, "MTD driver not started"); + + mtd_print_info(); + exit(0); +} + +void mtd_erase(char *partition_names[], unsigned n_partitions) { uint8_t v[64]; -- cgit v1.2.3