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2022-10-30 23:00:53 +01:00
commit 7f087ae854
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+/*
+    MIT License
+
+    Copyright (c) 2017-2018, Alexey Dynda
+
+    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 "ssd1306_interface.h"
+#include "spi/ssd1306_spi.h"
+#include <stddef.h>
+
+static void ssd1306_send_buffer_generic(const uint8_t* buffer, uint16_t size);
+
+ssd1306_interface_t ssd1306_intf =
+{
+    .send_buffer = ssd1306_send_buffer_generic
+};
+
+void ssd1306_commandStart(void)
+{
+    ssd1306_intf.start();
+    if (ssd1306_intf.spi)
+        ssd1306_spiDataMode(0);
+    else
+        ssd1306_intf.send(0x00);
+}
+
+void ssd1306_dataStart(void)
+{
+    ssd1306_intf.start();
+    if (ssd1306_intf.spi)
+        ssd1306_spiDataMode(1);
+    else
+        ssd1306_intf.send(0x40);
+}
+
+void ssd1306_sendCommand(uint8_t command)
+{
+    ssd1306_commandStart();
+    ssd1306_intf.send(command);
+    ssd1306_intf.stop();
+}
+
+void ssd1306_send_buffer_generic(const uint8_t* buffer, uint16_t size)
+{
+    while (size--)
+    {
+        ssd1306_intf.send(*buffer);
+        buffer++;
+    }
+}