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| author | Gregory Nutt <gnutt@nuttx.org> | 2013-05-01 11:42:36 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2013-05-01 11:42:36 -0600 |
| commit | b8e4cdf0efd5d0f637874bf1de51fdf1555108a6 (patch) | |
| tree | cc57a6575edab4a6f33f7604ebe2ba830794cd21 | |
| parent | 5b280602d79bbb1a0625016be023aa429d6fe898 (diff) | |
| download | nuttx-b8e4cdf0efd5d0f637874bf1de51fdf1555108a6.tar.gz nuttx-b8e4cdf0efd5d0f637874bf1de51fdf1555108a6.tar.bz2 nuttx-b8e4cdf0efd5d0f637874bf1de51fdf1555108a6.zip | |
Cosmetic update to comments
| -rw-r--r-- | nuttx/drivers/mtd/m25px.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/nuttx/drivers/mtd/m25px.c b/nuttx/drivers/mtd/m25px.c index 8cd4ea134..77fed0960 100644 --- a/nuttx/drivers/mtd/m25px.c +++ b/nuttx/drivers/mtd/m25px.c @@ -146,22 +146,26 @@ #define M25P_M25P128_NPAGES 65536 /* Instructions */ -/* Command Value N Description Addr Dummy Data */ -#define M25P_WREN 0x06 /* 1 Write Enable 0 0 0 */ -#define M25P_WRDI 0x04 /* 1 Write Disable 0 0 0 */ -#define M25P_RDID 0x9f /* 1 Read Identification 0 0 1-3 */ -#define M25P_RDSR 0x05 /* 1 Read Status Register 0 0 >=1 */ -#define M25P_WRSR 0x01 /* 1 Write Status Register 0 0 1 */ -#define M25P_READ 0x03 /* 1 Read Data Bytes 3 0 >=1 */ -#define M25P_FAST_READ 0x0b /* 1 Higher speed read 3 1 >=1 */ +/* Command Value N Description Addr Dummy Data */ +#define M25P_WREN 0x06 /* 1 Write Enable 0 0 0 */ +#define M25P_WRDI 0x04 /* 1 Write Disable 0 0 0 */ +#define M25P_RDID 0x9f /* 1 Read Identification 0 0 1-3 */ +#define M25P_RDSR 0x05 /* 1 Read Status Register 0 0 >=1 */ +#define M25P_WRSR 0x01 /* 1 Write Status Register 0 0 1 */ +#define M25P_READ 0x03 /* 1 Read Data Bytes 3 0 >=1 */ +#define M25P_FAST_READ 0x0b /* 1 Higher speed read 3 1 >=1 */ #define M25P_PP 0x02 /* 1 Page Program 3 0 1-256 */ -#define M25P_SE 0xd8 /* 1 Sector Erase 3 0 0 */ -#define M25P_BE 0xc7 /* 1 Bulk Erase 0 0 0 */ -#define M25P_DP 0xb9 /* 2 Deep power down 0 0 0 */ -#define M25P_RES 0xab /* 2 Read Electronic Signature 0 3 >=1 */ -#define M25P_SSE 0x20 /* 1 Sub-Sector Erase 0 0 0 */ - -/* NOTE 1: All parts, NOTE 2: M25P632/M25P64 */ +#define M25P_SE 0xd8 /* 1 Sector Erase 3 0 0 */ +#define M25P_BE 0xc7 /* 1 Bulk Erase 0 0 0 */ +#define M25P_DP 0xb9 /* 2 Deep power down 0 0 0 */ +#define M25P_RES 0xab /* 2 Read Electronic Signature 0 3 >=1 */ +#define M25P_SSE 0x20 /* 3 Sub-Sector Erase 0 0 0 */ + +/* NOTE 1: All parts. + * NOTE 2: M25P632/M25P64 + * NOTE 3: EN25F80. In EN25F80 terminology, 0xd8 is a block erase and 0x20 + * is a sector erase. + */ /* Status register bit definitions */ |