initial WIP

lots of code copied over, things filled in to hopefully get the LED matrix lighting up. untested.

firmware/app/comms/spi_master.h

@@ -0,0 +1,20 @@
+/*
+ *
+ */
+
+#ifndef __APP_COMMS_SPI_MASTER_H
+#define __APP_COMMS_SPI_MASTER_H
+
+
+#include "ch32x035_conf.h"
+
+
+
+void spim_init();
+
+void spim_write_reg8(uint8_t reg, const uint8_t *data, uint16_t len);
+void spim_read_reg8(uint8_t reg, uint8_t *data, uint16_t len);
+
+
+
+#endif /* __APP_COMMS_SPI_MASTER_H */