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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-05-17 17:23:36 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-05-17 17:23:36 +0000 |
| commit | 3b594010647c02ae336d77e168ab9b23a6aa5c09 (patch) | |
| tree | f99c968213eed532e606d5296c6769c0602fc6d9 /os/ex/Micron/m25q.h | |
| parent | 1bfe4857677be78771c63a113f5c0b3fdfa92a2f (diff) | |
| download | ChibiOS-3b594010647c02ae336d77e168ab9b23a6aa5c09.tar.gz ChibiOS-3b594010647c02ae336d77e168ab9b23a6aa5c09.tar.bz2 ChibiOS-3b594010647c02ae336d77e168ab9b23a6aa5c09.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9494 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/ex/Micron/m25q.h')
| -rw-r--r-- | os/ex/Micron/m25q.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/os/ex/Micron/m25q.h b/os/ex/Micron/m25q.h index 049ee7ff6..4a1677d0d 100644 --- a/os/ex/Micron/m25q.h +++ b/os/ex/Micron/m25q.h @@ -1,5 +1,5 @@ /* - N25Q128 Flash Driver - Copyright (C) 2016 Giovanni Di Sirio + ChibiOS - Copyright (C) 2016 Giovanni Di Sirio This file is part of ChibiOS. @@ -108,14 +108,27 @@ * @brief Physical transport interface. */ #if !defined(M25Q_USE_SPI) || defined(__DOXYGEN__) -#define M25Q_BUS_MODE M25Q_BUS_MODE_QSPI4L +#define M25Q_BUS_MODE M25Q_BUS_MODE_QSPI4L #endif /** - * @brief N25Q128 shared SPI switch. + * @brief Switch QSPI bus width on initialization. + * @details A bus width initialization is performed by writing the + * Enhanced Volatile Configuration Register. If the flash + * device is configured using the Non Volatile Configuration + * Register then this option is not required. + * @note This option is only valid in QSPI bus modes. + */ +#if !defined(M25Q_SWITCH_WIDTH) || defined(__DOXYGEN__) +#define M25Q_SWITCH_WIDTH TRUE +#endif + +/** + * @brief Shared SPI switch. * @details If set to @p TRUE the device acquires SPI bus ownership * on each transaction. - * @note The default is @p FALSE. Requires SPI_USE_MUTUAL_EXCLUSION + * @note This option is only valid in QSPI bus modes. + * @note Requires @p SPI_USE_MUTUAL_EXCLUSION. */ #if !defined(M25Q_SHARED_SPI) || defined(__DOXYGEN__) #define M25Q_SHARED_SPI TRUE |