From 9028916e8b89dcf9f8b41cefbd075efdf80cbac6 Mon Sep 17 00:00:00 2001
From: Fabien Poussin <fabien.poussin@gmail.com>
Date: Tue, 16 Feb 2016 00:22:40 +0100
Subject: EEPROM: Initial commit

---
 testhal/STM32/STM32F3xx/EEProm/main.c | 99 +++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 testhal/STM32/STM32F3xx/EEProm/main.c

(limited to 'testhal/STM32/STM32F3xx/EEProm/main.c')

diff --git a/testhal/STM32/STM32F3xx/EEProm/main.c b/testhal/STM32/STM32F3xx/EEProm/main.c
new file mode 100644
index 0000000..130a600
--- /dev/null
+++ b/testhal/STM32/STM32F3xx/EEProm/main.c
@@ -0,0 +1,99 @@
+/*
+    ChibiOS - Copyright (C) 2006..2015 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"
+
+#define EEPROM_SIZE 8192 // 64Kb, 8KB
+#define EEPROM_PAGE_SIZE 32
+#define EEPROM_WRITE_TIME_MS 10 // byte/page write time
+#define EEPROM_SPID SPID1
+#define EEPROM_SPIDCONFIG spi1cfg
+
+static const SPIConfig EEPROM_SPIDCONFIG = {
+  NULL,
+  GPIOA,
+  12,
+  0, // Up to 20Mhz
+  SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0
+};
+
+static SPIEepromFileConfig eeCfg = {
+  0,
+  EEPROM_SIZE,
+  EEPROM_SIZE,
+  EEPROM_PAGE_SIZE,
+  MS2ST(EEPROM_WRITE_TIME_MS),
+  &EEPROM_SPID,
+  &EEPROM_SPIDCONFIG,
+};
+
+static SPIEepromFileStream eeFile;
+static EepromFileStream *eeFS;
+
+static uint8_t buffer[64];
+
+THD_WORKING_AREA(waThreadEE, 256);
+static THD_FUNCTION(ThreadEE, arg)
+{
+  (void)arg;
+  uint8_t len = 64;
+
+  while (TRUE)
+  {
+
+    eeFS = SPIEepromFileOpen(&eeFile, &eeCfg, EepromFindDevice(EEPROM_DEV_25XX));
+    fileStreamSeek(eeFS, 0);
+
+    fileStreamWrite(eeFS, buffer, len);
+    fileStreamRead(eeFS, buffer, len);
+
+    fileStreamClose(eeFS);
+
+    chThdSleepMilliseconds(500);
+  }
+
+  return;
+}
+
+/*
+ * Application entry point.
+ */
+int 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();
+
+  spiStart(&EEPROM_SPID, &EEPROM_SPIDCONFIG);
+
+  chThdCreateStatic(waThreadEE, sizeof(waThreadEE), NORMALPRIO, ThreadEE, NULL);
+
+  /*
+   * Normal main() thread activity, it resets the watchdog.
+   */
+  while (true) {
+    palToggleLine(LINE_LED4_BLUE);
+    chThdSleepMilliseconds(500);
+  }
+  return 0;
+}
-- 
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