From 16f10822864c01278a4f8d450136f8d88f29f87e Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 15 Jun 2013 16:38:10 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5856
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 testhal/STM8S/SPI/demo/main.c | 87 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 testhal/STM8S/SPI/demo/main.c

(limited to 'testhal/STM8S/SPI/demo/main.c')

diff --git a/testhal/STM8S/SPI/demo/main.c b/testhal/STM8S/SPI/demo/main.c
new file mode 100644
index 000000000..b1e8b6ed1
--- /dev/null
+++ b/testhal/STM8S/SPI/demo/main.c
@@ -0,0 +1,87 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#include "ch.h"
+#include "hal.h"
+
+/*
+ * SPI configuration (8MHz, CPHA=0, CPOL=0, MSb first).
+ */
+static ROMCONST SPIConfig spicfg = {
+  NULL,
+  GPIOD,
+  PD_LD10,
+  0
+};
+
+/*
+ * Transmit data.
+ */
+static ROMCONST uint8_t digits[32] = {
+  0x24, 0xAF, 0xE0, 0xA2, 0x2B, 0x32, 0x30, 0xA7,
+  0x20, 0x22, 0x21, 0x38, 0x74, 0xA8, 0x70, 0x71,
+  0x04, 0x8F, 0xC0, 0x82, 0x0B, 0x12, 0x10, 0x87,
+  0x00, 0x02, 0x01, 0x18, 0x54, 0x88, 0x50, 0x51
+};
+
+/*
+ * Receive buffer.
+ */
+static uint8_t buffer[32];
+
+/*
+ * Application entry point.
+ */
+void main(void) {
+
+  /*
+   * System initializations.
+   * - HAL initialization, this also initializes the configured device drivers
+   *   and performs the board-specific initializations.
+   * - Kernel initialization, the main() function becomes a thread and the
+   *   RTOS is active.
+   */
+  halInit();
+  chSysInit();
+
+  /*
+   * OS initialization.
+   */
+  chSysInit();
+
+  /*
+   * Activates the SPI driver 1 using the driver default configuration.
+   */
+  spiStart(&SPID1, &spicfg);
+
+  /*
+   * Normal main() thread activity.
+   */
+  while (TRUE) {
+    volatile uint8_t b;
+
+    chThdSleepMilliseconds(1000);
+    /* Exchanging data, if the pins MISO and MOSI are connected then the
+       transmitted data is received back into the buffer. On the
+       STM8S-Discovery board the pins are CN2-9 and CN2-10.*/
+    spiSelect(&SPID1);
+    spiExchange(&SPID1, sizeof(digits), digits, buffer);
+    /* Polled transfers test.*/
+    b = spiPolledExchange(&SPID1, 0x55);    
+    b = spiPolledExchange(&SPID1, 0xAA);    
+    spiUnselect(&SPID1);
+  }
+}
-- 
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