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@@ -18,6 +18,60 @@
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#ifdef RT_USING_SPI
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+struct rpi_pin_index
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+{
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+ rt_uint8_t phy_id;
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+ rt_uint8_t bcm_id;
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+ rt_uint8_t signal_name;
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+ rt_uint8_t magic;
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+};
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+
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+//raspi phy id and bcm id
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+static struct rpi_pin_index phypin_index[] =
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+{
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+ {0, 0, 0, 0},
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+ {1, 0, 0, 0},
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+ {2, 0, 0, 0},
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+ {3, BCM_GPIO_PIN_2, RPI_SDA1, PIN_MAGIC},
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+ {4, 0, 0, 0},
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+ {5, BCM_GPIO_PIN_3, RPI_SCL1, PIN_MAGIC},
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+ {6, 0, 0, 0},
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+ {7, BCM_GPIO_PIN_4, RPI_GPIO_GCLK, PIN_MAGIC},
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+ {8, BCM_GPIO_PIN_14, RPI_TXD0, PIN_MAGIC},
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+ {9, 0, 0, 0},
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+ {10, BCM_GPIO_PIN_15, RPI_RXD0, PIN_MAGIC},
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+ {11, BCM_GPIO_PIN_17, RPI_GPIO_GEN0, PIN_MAGIC},
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+ {12, BCM_GPIO_PIN_18, RPI_GPIO_GEN1, PIN_MAGIC},
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+ {13, BCM_GPIO_PIN_27, RPI_GPIO_GEN2, PIN_MAGIC},
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+ {14, 0, 0, 0},
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+ {15, BCM_GPIO_PIN_22, RPI_GPIO_GEN3, PIN_MAGIC},
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+ {16, BCM_GPIO_PIN_23, RPI_GPIO_GEN4, PIN_MAGIC},
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+ {17, 0, 0, 0},
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+ {18, BCM_GPIO_PIN_24, RPI_GPIO_GEN5, PIN_MAGIC},
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+ {19, BCM_GPIO_PIN_10, RPI_SPI_MOSI, PIN_MAGIC},
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+ {20, 0, 0, 0},
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+ {21, BCM_GPIO_PIN_9, RPI_SPI_MISO, PIN_MAGIC},
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+ {22, BCM_GPIO_PIN_25, RPI_GPIO_GEN6, PIN_MAGIC},
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+ {23, BCM_GPIO_PIN_11, RPI_SPI_SCLK, PIN_MAGIC},
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+ {24, BCM_GPIO_PIN_8, RPI_SPI_CE0_N, PIN_MAGIC},
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+ {25, 0, 0, 0},
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+ {26, BCM_GPIO_PIN_7, RPI_SPI_CE1_N, PIN_MAGIC},
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+ {27, BCM_GPIO_PIN_0, RPI_SDA0, PIN_MAGIC},
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+ {28, BCM_GPIO_PIN_1, RPI_SCL0, PIN_MAGIC},
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+ {29, BCM_GPIO_PIN_5, RPI_CAM_CLK, PIN_MAGIC},
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+ {30, 0, 0, 0},
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+ {31, BCM_GPIO_PIN_6, RPI_LAN_RUN, PIN_MAGIC},
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+ {32, BCM_GPIO_PIN_12, 0, PIN_MAGIC},
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+ {33, BCM_GPIO_PIN_13, 0, PIN_MAGIC},
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+ {34, 0, 0, 0},
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+ {35, BCM_GPIO_PIN_19, 0, PIN_MAGIC},
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+ {36, BCM_GPIO_PIN_16, RPI_STATUS_LED_N, PIN_MAGIC},
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+ {37, BCM_GPIO_PIN_26, 0, PIN_MAGIC},
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+ {38, BCM_GPIO_PIN_20, 0, PIN_MAGIC},
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+ {39, 0, 0, 0},
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+ {40, BCM_GPIO_PIN_21, RPI_CAM_GPIO, PIN_MAGIC},
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+};
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+
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static rt_uint8_t bcm2835_spi_bit_order = BCM283X_SPI_BIT_ORDER_MSBFIRST;
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static rt_uint8_t bcm2835_byte_reverse_table[] =
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@@ -317,10 +371,11 @@ const static struct rt_spi_ops raspi_spi_ops =
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#if defined (BSP_USING_SPI0)
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#define SPI0BUS_NAME "spi0.0"
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+struct rt_spi spi0;
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struct rt_spi_bus raspi_spi0_bus =
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{
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.ops = &raspi_spi_ops,
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- .parent.user_data = spi0
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+ .parent.user_data = &spi0
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};
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struct rt_spi_hw_config raspi_spi0_hw =
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@@ -348,11 +403,12 @@ struct rt_spi spi0 =
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#if defined (BSP_USING_SPI1)
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#define SPI1BUS_NAME "spi0.1"
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-
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+
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+struct rt_spi spi1;
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struct rt_spi_bus raspi_spi1_bus =
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{
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.ops = &raspi_spi_ops,
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- .parent.user_data = spi1
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+ .parent.user_data = &spi1
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};
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struct rt_spi_hw_config raspi_spi1_hw =
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yangwu