Get SD card working in SPI

2023-07-23 14:55:14 -07:00
parent 6a1a76db35
commit 5ca5fca29b
23 changed files with 1257 additions and 1931 deletions
--- a/sw/bootloader/devices/spi.h
+++ b/sw/bootloader/devices/spi.h
@@ -0,0 +1,12 @@
+#ifndef _SPI_H
+#define _SPI_H
+
+#include <stdint.h>
+
+void spi_select(uint8_t id);
+void spi_deselect(uint8_t id);
+uint8_t spi_read();
+void spi_write(uint8_t data);
+uint8_t spi_exchange(uint8_t data);
+
+#endif