Initial import.

Most sources are split off from suzumebachi project revision 2fc77d2 as is with some path changes. New build rules introduced.

1 files changed, 31 insertions, 0 deletions

diff --git a/spi/spi.h b/spi/spi.h
new file mode 100644
index 0000000..9f9cf63
--- /dev/null
+++ b/spi/spi.h
@@ -0,0 +1,31 @@
+#ifndef SPI_H
+#define SPI_H
+
+struct SPI_reg_t {
+	volatile uint32_t CR1;
+	volatile uint32_t CR2;
+	volatile uint32_t SR;
+	volatile uint32_t DR;
+	volatile uint32_t CRCPR;
+	volatile uint32_t RXCRCR;
+	volatile uint32_t TXCRCR;
+	volatile uint32_t I2SCFGR;
+	volatile uint32_t I2SPR;
+};
+
+class SPI_t {
+	public:
+		SPI_reg_t& reg;
+		
+		SPI_t(uint32_t reg_addr) : reg(*(SPI_reg_t*)reg_addr) {}
+};
+
+#if defined(STM32F1)
+
+#elif defined(STM32F4)
+static SPI_t SPI1(0x40013000);
+static SPI_t SPI2(0x40003800);
+static SPI_t SPI3(0x40003c00);
+#endif
+
+#endif