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Diffstat (limited to 'peripheral/libmraa/examples/spi_max7219.c')
-rw-r--r--peripheral/libmraa/examples/spi_max7219.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/peripheral/libmraa/examples/spi_max7219.c b/peripheral/libmraa/examples/spi_max7219.c
deleted file mode 100644
index 4c1ad06..0000000
--- a/peripheral/libmraa/examples/spi_max7219.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Author: Michael Ring <mail@michael-ring.org>
- * Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
- * Copyright (c) 2014 Intel Corporation.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "mraa.h"
-#include <unistd.h>
-#include <stdint.h>
-
-int
-main(int argc, char** argv)
-{
- //! [Interesting]
- mraa_spi_context spi;
- spi = mraa_spi_init(1);
- if (spi == NULL) {
- printf("Initialization of spi failed, check syslog for details, exit...\n");
- exit(1);
- }
-
- printf("SPI initialised successfully\n");
-
- mraa_spi_frequency(spi, 400000);
- mraa_spi_lsbmode(spi, 0);
-
- // The MAX7219/21 Chip needs the data in word size
- if (mraa_spi_bit_per_word(spi, 16) != MRAA_SUCCESS) {
- printf("Could not set SPI Device to 16Bit mode, exit...\n");
- exit(1);
- };
-
- mraa_spi_write_word(spi, 0x0900); // Do not decode bits
- mraa_spi_write_word(spi, 0x0a05); // Brightness of LEDs
- mraa_spi_write_word(spi, 0x0b07); // Show all Scan Lines
- mraa_spi_write_word(spi, 0x0c01); // Display on
- mraa_spi_write_word(spi, 0x0f00); // Testmode off
-
- // Display Pattern on the display
- uint16_t dataAA55[] = { 0x01aa, 0x0255, 0x03aa, 0x0455, 0x05aa, 0x0655, 0x07aa, 0x0855 };
- mraa_spi_write_buf_word(spi, dataAA55, 16);
-
- sleep(2);
-
- // Display inverted Pattern
- uint16_t data55AA[] = { 0x0155, 0x02aa, 0x0355, 0x04aa, 0x0555, 0x06aa, 0x0755, 0x08aa };
- mraa_spi_write_buf_word(spi, data55AA, 16);
-
- sleep(2);
-
- // Clear the display
- uint16_t data[] = { 0x0100, 0x0200, 0x0300, 0x0400, 0x0500, 0x0600, 0x0700, 0x0800 };
- mraa_spi_write_buf_word(spi, data, 16);
-
- int i;
- int j;
- // cycle through all LED's
- for (i = 1; i <= 8; i++) {
- for (j = 0; j < 8; j++) {
- mraa_spi_write_word(spi, (i << 8) + (1 << j));
- sleep(1);
- }
- mraa_spi_write_word(spi, i << 8);
- }
-
- mraa_spi_stop(spi);
-
- //! [Interesting]
-}