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Diffstat (limited to 'drivers/audio/gadc/gaudin_lld.c')
-rw-r--r--drivers/audio/gadc/gaudin_lld.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/audio/gadc/gaudin_lld.c b/drivers/audio/gadc/gaudin_lld.c
new file mode 100644
index 00000000..002d9e9b
--- /dev/null
+++ b/drivers/audio/gadc/gaudin_lld.c
@@ -0,0 +1,62 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ * http://ugfx.org/license.html
+ */
+
+/**
+ * @file drivers/gaudin/gadc/gaudin_lld.c
+ * @brief GAUDIN - Driver file for using the cpu ADC (via GADC).
+ *
+ * @addtogroup GAUDIN
+ *
+ * @{
+ */
+
+/**
+ * We are now implementing the driver - pull in our channel table
+ * from the board definitions.
+ */
+#define GAUDIN_LLD_IMPLEMENTATION
+
+
+#include "gfx.h"
+
+#if GFX_USE_GAUDIN
+
+/* Double check the GADC system is turned on */
+#if !GFX_USE_GADC
+ #error "GAUDIN - The GADC driver for GAUDIN requires GFX_USE_GADC to be TRUE"
+#endif
+
+/* Include the driver defines */
+#include "src/gaudin/driver.h"
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+void gaudin_lld_init(const gaudin_params *paud) {
+ /* Setup the high speed GADC */
+ gadcHighSpeedInit(gaudin_lld_physdevs[paud->channel], paud->frequency, paud->buffer, paud->bufcount, paud->samplesPerEvent);
+
+ /* Register ourselves for ISR callbacks */
+ gadcHighSpeedSetISRCallback(GAUDIN_ISR_CompleteI);
+
+ /**
+ * The gadc driver handles any errors for us by restarting the transaction so there is
+ * no need for us to setup anything for GAUDIN_ISR_ErrorI()
+ */
+}
+
+void gaudin_lld_start(void) {
+ gadcHighSpeedStart();
+}
+
+void gaudin_lld_stop(void) {
+ gadcHighSpeedStop();
+}
+
+#endif /* GFX_USE_GAUDIN */
+/** @} */