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| author | YANG Qiao <yangqiao0505@me.com> | 2015-08-13 00:04:33 +0200 |
|---|---|---|
| committer | Pavel Pisa <ppisa@pikron.com> | 2016-05-19 13:21:40 +0200 |
| commit | 33e39d3102404d14a8fab8d7ebd34c027a7836b5 (patch) | |
| tree | e39acd66cb20f103853afaf0af45b433514e413e /c/src/lib/libbsp/arm/raspberrypi/include/mailbox.h | |
| parent | arm/raspberrypi: add locking around GPIO pin function selection. (diff) | |
| download | rtems-33e39d3102404d14a8fab8d7ebd34c027a7836b5.tar.bz2 | |
arm/raspberrypi: add VideoCore mailbox support read and write
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/arm/raspberrypi/include/mailbox.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/raspberrypi/include/mailbox.h b/c/src/lib/libbsp/arm/raspberrypi/include/mailbox.h new file mode 100644 index 0000000000..e6cb0f8c27 --- /dev/null +++ b/c/src/lib/libbsp/arm/raspberrypi/include/mailbox.h @@ -0,0 +1,32 @@ +/** + * @file + * + * @ingroup raspberrypi + * + * @brief mailbox support. + */ +/* + * Copyright (c) 2015 Yang Qiao + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * + * http://www.rtems.org/license/LICENSE + * + */ + +#ifndef LIBBSP_ARM_RASPBERRYPI_MAILBOX_H +#define LIBBSP_ARM_RASPBERRYPI_MAILBOX_H + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +extern unsigned int raspberrypi_mailbox_read(unsigned int channel); +extern void raspberrypi_mailbox_write(unsigned int channel, unsigned int data); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* LIBBSP_ARM_RASPBERRYPI_MAILBOX_H */ |