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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-06-25 08:55:40 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-06-25 08:55:40 +0000 |
| commit | 88bea4b8c200fad936c063718289250ce49cda61 (patch) | |
| tree | 0c7cd93c45b07d4f9964f5c519afbf31b6c1fb34 /boards/ST_STM8S_DISCOVERY | |
| parent | 62f4b7f471a4b1037468d382f927c5061e5fa9ed (diff) | |
| download | ChibiOS-88bea4b8c200fad936c063718289250ce49cda61.tar.gz ChibiOS-88bea4b8c200fad936c063718289250ce49cda61.tar.bz2 ChibiOS-88bea4b8c200fad936c063718289250ce49cda61.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2038 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'boards/ST_STM8S_DISCOVERY')
| -rw-r--r-- | boards/ST_STM8S_DISCOVERY/board.c | 67 | ||||
| -rw-r--r-- | boards/ST_STM8S_DISCOVERY/board.h | 122 |
2 files changed, 189 insertions, 0 deletions
diff --git a/boards/ST_STM8S_DISCOVERY/board.c b/boards/ST_STM8S_DISCOVERY/board.c new file mode 100644 index 000000000..201a2b239 --- /dev/null +++ b/boards/ST_STM8S_DISCOVERY/board.c @@ -0,0 +1,67 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "ch.h"
+#include "hal.h"
+
+/*
+ * 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 initialization code.
+ */
+void hwinit(void) {
+
+ /*
+ * HAL initialization.
+ */
+ halInit();
+
+ /*
+ * TIM2 initialization as system tick.
+ */
+ CLK->PCKENR1 |= 32; /* PCKEN15, TIM2 clock source.*/
+ 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 = 1; /* UIE */
+ TIM2->CR1 = 1; /* CEN */
+}
diff --git a/boards/ST_STM8S_DISCOVERY/board.h b/boards/ST_STM8S_DISCOVERY/board.h new file mode 100644 index 000000000..943cd03bd --- /dev/null +++ b/boards/ST_STM8S_DISCOVERY/board.h @@ -0,0 +1,122 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+/*
+ * Setup for Raisonance REva V3 + STM8S208RB daughter board.
+ */
+
+/*
+ * Board identifiers.
+ */
+#define BOARD_ST_STM8S_DISCOVERY
+#define BOARD_NAME "ST STM8S-Discovery"
+
+/*
+ * Board frequencies.
+ */
+#define HSECLK 16000000
+
+/*
+ * MCU model used on the board.
+ */
+#define STM8S105
+
+/*
+ * Pin definitions.
+ */
+#define PA_OSCIN 1
+#define PA_OSCOUT 2
+
+#define PC_TS_KEY 1
+#define PC_TS_LOADREF 2
+#define PC_TS_SHIELD 3
+
+#define PD_LD10 0
+#define PD_SWIM 1
+#define PD_TX 5
+#define PD_RX 6
+
+/*
+ * Port A initial setup.
+ */
+#define VAL_GPIOAODR 0
+#define VAL_GPIOADDR 0 /* All inputs. */
+#define VAL_GPIOACR1 0xFF /* All pull-up or push-pull. */
+#define VAL_GPIOACR2 0
+
+/*
+ * Port B initial setup.
+ */
+#define VAL_GPIOBODR 0
+#define VAL_GPIOBDDR 0 /* All inputs. */
+#define VAL_GPIOBCR1 0xFF /* All push-pull. */
+#define VAL_GPIOBCR2 0
+
+/*
+ * Port C initial setup.
+ */
+#define VAL_GPIOCODR 0
+#define VAL_GPIOCDDR 0 /* All inputs. */
+#define VAL_GPIOCCR1 0xFF /* All pull-up. */
+#define VAL_GPIOCCR2 0
+
+/*
+ * Port D initial setup.
+ */
+#define VAL_GPIODODR (1 << PD_LD10) | (1 << PD_TX)
+#define VAL_GPIODDDR (1 << PD_LD10) | (1 << PD_TX)
+#define VAL_GPIODCR1 0xFF /* All pull-up. */
+#define VAL_GPIODCR2 0
+
+/*
+ * Port E initial setup.
+ */
+#define VAL_GPIOEODR 0
+#define VAL_GPIOEDDR 0 /* All inputs. */
+#define VAL_GPIOECR1 0xFF /* All pull-up. */
+#define VAL_GPIOECR2 0
+
+/*
+ * Port F initial setup.
+ */
+#define VAL_GPIOFODR 0
+#define VAL_GPIOFDDR 0 /* All inputs. */
+#define VAL_GPIOFCR1 0xFF /* All pull-up. */
+#define VAL_GPIOFCR2 0
+
+/*
+ * Port G initial setup.
+ */
+#define VAL_GPIOGODR 0
+#define VAL_GPIOGDDR 0 /* All inputs. */
+#define VAL_GPIOGCR1 0xFF /* All pull-up or push-pull. */
+#define VAL_GPIOGCR2 0
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void hwinit(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BOARD_H_ */
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