Start experiment with STM32L432.

board/board-st-nucleo-l432.h

@@ -0,0 +1,61 @@
+#define BOARD_NAME "ST Nucleo L432"
+#define BOARD_ID    0x3a8d5116
+
+/*
+ * Please add USB cable to ST Nucleo L432.
+ *
+ * At CN4, connect USB cable, only when ST Link is not connected
+ *  Vbus RED   -->  4
+ *
+ * At CN3, connect USB cable
+ *  D-   GREEN --> 13 PA11
+ *  D+   WHITE -->  5 PA12
+ *  GND  BLACK -->  4 GND
+ */
+
+#define MCU_STM32L4 1
+
+#define RCC_HSICLK                    48000000
+
+#define GPIO_LED_BASE   GPIOB_BASE
+#define GPIO_LED_SET_TO_EMIT            3
+#undef  GPIO_USB_BASE		/* No external DISCONNECT/RENUM circuit.  */
+#define GPIO_OTHER_BASE GPIOB_BASE
+
+/*
+ * Port A setup.
+ * PA0  - Input with pull-up                       USART2-CTS
+ * PA1  - Alternate function push pull output 2MHz USART2-RTS
+ * PA2  - Alternate function push pull output 2MHz USART2-TX
+ * PA3  - Input with pull-up                       USART2-RX
+ * PA4  - Alternate function push pull output 2MHz USART2-CK
+ * PA5  - Push pull output 2MHz (LED 1:ON 0:OFF)
+ * PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM) 
+ * PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
+ * ------------------------ Default
+ * PAx  - input with pull-up
+ */
+#define VAL_GPIO_LED_ODR            0xFFFFE7FF
+
+/*
+ * Port B setup.
+ * PB0  - input with pull-up: AN8 for NeuG
+ * PB1  - input with pull-up: AN9 for NeuG
+ * ---
+ * ---
+ * PB4  - Input with pull-up: Card insertion detect: 0 when detected
+ * ---
+ * PB6  - Output push pull 2MHz: Vcc for card: default 0
+ * ---
+ * PB8  - Output push pull 2MHz: Vpp for card: default 0
+ * PB9  - Output push pull 2MHz: RST for card: default 0
+ * PB10 - Alternate function open-drain output 50MHz USART3-TX
+ * PB11 - Input with pull-up                         USART3-RX
+ * PB12 - Alternate function push pull output  50MHz USART3-CK
+ * PB13 - Input with pull-up                         USART3-CTS
+ * PB14 - Alternate function push pull output  50MHz USART3-RTS
+ * ---
+ * ------------------------ Default
+ * PBx  - input with pull-up.
+ */
+#define VAL_GPIO_OTHER_ODR          0xFFFFFCBF