1 files changed, 78 insertions, 0 deletions
diff --git a/os/hal/boards/ST_STM8S_DISCOVERY/board.c b/os/hal/boards/ST_STM8S_DISCOVERY/board.c
new file mode 100644
index 000000000..33e1fa1e9
--- /dev/null
+++ b/os/hal/boards/ST_STM8S_DISCOVERY/board.c
@@ -0,0 +1,78 @@
+/*
+    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"
+
+/**
+ * @brief   PAL setup.
+ * @details Digital I/O ports static configuration as defined in @p board.h.
+ */
+#if HAL_USE_PAL || defined(__DOXYGEN__)
+ROMCONST PALConfig pal_default_config =
+{
+  {
+    {VAL_GPIOAODR, 0, VAL_GPIOADDR, VAL_GPIOACR1, VAL_GPIOACR2},
+    {VAL_GPIOBODR, 0, VAL_GPIOBDDR, VAL_GPIOBCR1, VAL_GPIOBCR2},
+    {VAL_GPIOCODR, 0, VAL_GPIOCDDR, VAL_GPIOCCR1, VAL_GPIOCCR2},
+    {VAL_GPIODODR, 0, VAL_GPIODDDR, VAL_GPIODCR1, VAL_GPIODCR2},
+    {VAL_GPIOEODR, 0, VAL_GPIOEDDR, VAL_GPIOECR1, VAL_GPIOECR2},
+    {VAL_GPIOFODR, 0, VAL_GPIOFDDR, VAL_GPIOFCR1, VAL_GPIOFCR2},
+    {VAL_GPIOGODR, 0, VAL_GPIOGDDR, VAL_GPIOGCR1, VAL_GPIOGCR2},
+  }
+};
+#endif
+
+/*
+ * TIM 2 clock after the prescaler.
+ */
+#define TIM2_CLOCK  (SYSCLK / 16)
+#define TIM2_ARR    ((TIM2_CLOCK / CH_FREQUENCY) - 1)
+
+/*
+ * TIM2 interrupt handler.
+ */
+CH_IRQ_HANDLER(13) {
+
+  CH_IRQ_PROLOGUE();
+
+  chSysLockFromIsr();
+  chSysTimerHandlerI();
+  chSysUnlockFromIsr();
+
+  TIM2->SR1 = 0;
+
+  CH_IRQ_EPILOGUE();
+}
+
+/*
+ * Board-specific initialization code.
+ */
+void boardInit(void) {
+
+  /*
+   * TIM2 initialization as system tick.
+   */
+  CLK->PCKENR1 |= CLK_PCKENR1_TIM2;
+  TIM2->PSCR    = 4;            /* Prescaler divide by 2^4=16.*/
+  TIM2->ARRH    = (uint8_t)(TIM2_ARR >> 8);
+  TIM2->ARRL    = (uint8_t)(TIM2_ARR);
+  TIM2->CNTRH   = 0;
+  TIM2->CNTRL   = 0;
+  TIM2->SR1     = 0;
+  TIM2->IER     = TIM2_IER_UIE;
+  TIM2->CR1     = TIM2_CR1_CEN;
+}