diff options
Diffstat (limited to 'wirish/HardwareSPI.cpp')
| -rw-r--r-- | wirish/HardwareSPI.cpp | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/wirish/HardwareSPI.cpp b/wirish/HardwareSPI.cpp index 94985eb..1acba76 100644 --- a/wirish/HardwareSPI.cpp +++ b/wirish/HardwareSPI.cpp @@ -2,6 +2,7 @@ * The MIT License * * Copyright (c) 2010 Perry Hung. + * Copyright 2014 Google, Inc. * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation @@ -59,23 +60,32 @@ static void enable_device(spi_dev *dev, spi_mode mode); static const spi_pins board_spi_pins[] __FLASH__ = { +#if BOARD_HAVE_SPI1 {BOARD_SPI1_NSS_PIN, BOARD_SPI1_SCK_PIN, BOARD_SPI1_MISO_PIN, BOARD_SPI1_MOSI_PIN}, +#else + {0, 0, 0, 0}, +#endif +#if BOARD_HAVE_SPI2 {BOARD_SPI2_NSS_PIN, BOARD_SPI2_SCK_PIN, BOARD_SPI2_MISO_PIN, BOARD_SPI2_MOSI_PIN}, -#ifdef STM32_HIGH_DENSITY +#else + {0, 0, 0, 0}, +#endif +#if BOARD_HAVE_SPI3 {BOARD_SPI3_NSS_PIN, BOARD_SPI3_SCK_PIN, BOARD_SPI3_MISO_PIN, BOARD_SPI3_MOSI_PIN}, +#else + {0, 0, 0, 0}, #endif }; - /* * Constructor */ @@ -235,12 +245,26 @@ static spi_baud_rate determine_baud_rate(spi_dev *dev, SPIFrequency freq); static const spi_pins* dev_to_spi_pins(spi_dev *dev) { switch (dev->clk_id) { - case RCC_SPI1: return board_spi_pins; - case RCC_SPI2: return board_spi_pins + 1; -#ifdef STM32_HIGH_DENSITY - case RCC_SPI3: return board_spi_pins + 2; + case RCC_SPI1: +#if BOARD_HAVE_SPI1 + return board_spi_pins; +#else + return NULL; +#endif + case RCC_SPI2: +#if BOARD_HAVE_SPI2 + return board_spi_pins + 1; +#else + return NULL; #endif - default: return NULL; + case RCC_SPI3: +#if BOARD_HAVE_SPI3 + return board_spi_pins + 2; +#else + return NULL; +#endif + default: + return NULL; } } |