spi-master: initial busy sending test stub.

Basic framework.  now we can build on it.

1 files changed, 41 insertions, 0 deletions

diff --git a/tests/spi-master/hw.h b/tests/spi-master/hw.h
new file mode 100644
index 0000000..2cbbea8
--- /dev/null
+++ b/tests/spi-master/hw.h
@@ -0,0 +1,41 @@
+/*
+ * March 2017 Karl Palsson <karlp@tweak.net.au>
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#pragma once
+
+struct hw_detail
+{
+       uint32_t periph; /* eg: SPI2 */
+       uint32_t periph_rcc; /* eg: RCC_SPI2 */
+       uint32_t periph_rst; /* eg: RST_SPI2 */
+       uint32_t pins; /* to set to the AF for the periph */
+       uint32_t port; /* eg GPIOB */
+       uint32_t port_rcc; /* for the gpio pins */
+       uint32_t trigger_rcc;
+       uint32_t trigger_port;
+       uint32_t trigger_pin;
+};
+
+extern struct hw_detail hw_details;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+        * Expected to setup clocks, turn on all peripherals, and configure
+        * any gpios necessary.
+        * @param hw pointer to hw details necessary
+        */
+       void hw_setup(struct hw_detail* hw);
+
+       /* let devices have a status led */
+       void hw_set_led(bool val);
+
+#ifdef __cplusplus
+}
+#endif