initial skeleton of CortexELF support

3 files changed, 268 insertions, 0 deletions

diff --git a/src/cortexelf-v1/ao_cortexelf.c b/src/cortexelf-v1/ao_cortexelf.c
new file mode 100644
index 00000000..01c5165b
--- /dev/null
+++ b/src/cortexelf-v1/ao_cortexelf.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+#include <ao_exti.h>
+#include <ao_profile.h>
+#if HAS_STACK_GUARD
+#include <ao_mpu.h>
+#endif
+
+int
+main(void)
+{
+	ao_clock_init();
+
+#if HAS_STACK_GUARD
+	ao_mpu_init();
+#endif
+
+	ao_task_init();
+	ao_serial_init();
+	ao_timer_init();
+
+	ao_spi_init();
+	ao_dma_init();
+	ao_exti_init();
+
+	ao_cmd_init();
+
+	ao_usb_init();
+
+	ao_config_init();
+
+	ao_start_scheduler();
+	return 0;
+}
diff --git a/src/cortexelf-v1/ao_pins.h b/src/cortexelf-v1/ao_pins.h
new file mode 100644
index 00000000..2c960a6b
--- /dev/null
+++ b/src/cortexelf-v1/ao_pins.h
@@ -0,0 +1,182 @@
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_PINS_H_
+#define _AO_PINS_H_
+
+#define HAS_TASK_QUEUE		1
+
+/* 8MHz High speed external crystal */
+#define AO_HSE			8000000
+
+/* PLLVCO = 96MHz (so that USB will work) */
+#define AO_PLLMUL		12
+#define AO_RCC_CFGR_PLLMUL	(STM_RCC_CFGR_PLLMUL_12)
+
+/* SYSCLK = 32MHz (no need to go faster than CPU) */
+#define AO_PLLDIV		3
+#define AO_RCC_CFGR_PLLDIV	(STM_RCC_CFGR_PLLDIV_3)
+
+/* HCLK = 32MHz (CPU clock) */
+#define AO_AHB_PRESCALER	1
+#define AO_RCC_CFGR_HPRE_DIV	STM_RCC_CFGR_HPRE_DIV_1
+
+/* Run APB1 at 16MHz (HCLK/2) */
+#define AO_APB1_PRESCALER	2
+#define AO_RCC_CFGR_PPRE1_DIV	STM_RCC_CFGR_PPRE2_DIV_2
+
+/* Run APB2 at 16MHz (HCLK/2) */
+#define AO_APB2_PRESCALER	2
+#define AO_RCC_CFGR_PPRE2_DIV	STM_RCC_CFGR_PPRE2_DIV_2
+
+#define HAS_SERIAL_1		1
+#define USE_SERIAL_1_STDIN	0
+#define SERIAL_1_PB6_PB7	1
+#define SERIAL_1_PA9_PA10	0
+
+#define HAS_SERIAL_2		1
+#define USE_SERIAL_2_STDIN	0
+#define SERIAL_2_PA2_PA3	0
+#define SERIAL_2_PD5_PD6	1
+
+#define HAS_SERIAL_3		0
+#define USE_SERIAL_3_STDIN	0
+#define SERIAL_3_PB10_PB11	0
+#define SERIAL_3_PC10_PC11	0
+#define SERIAL_3_PD8_PD9	0
+
+#define HAS_EEPROM		0
+#define USE_INTERNAL_FLASH	0
+#define USE_EEPROM_CONFIG	0
+#define USE_STORAGE_CONFIG	0
+#define HAS_USB			1
+#define HAS_BEEP		0
+#define HAS_BATTERY_REPORT	0
+#define HAS_RADIO		0
+#define HAS_TELEMETRY		0
+#define HAS_APRS		0
+#define HAS_COMPANION		0
+
+#define HAS_SPI_1		0
+#define SPI_1_PA5_PA6_PA7	0
+#define SPI_1_PB3_PB4_PB5	0
+#define SPI_1_PE13_PE14_PE15	0
+#define SPI_1_OSPEEDR		STM_OSPEEDR_10MHz
+
+#define HAS_SPI_2		1
+#define SPI_2_PB13_PB14_PB15	0
+#define SPI_2_PD1_PD3_PD4	1	/* LED displays, microSD */
+#define SPI_2_OSPEEDR		STM_OSPEEDR_10MHz
+
+#define SPI_2_PORT		(&stm_gpiod)
+#define SPI_2_SCK_PIN		1
+#define SPI_2_MISO_PIN		3
+#define SPI_2_MOSI_PIN		4
+
+#define HAS_I2C_1		0
+#define I2C_1_PB8_PB9		0
+
+#define HAS_I2C_2		0
+#define I2C_2_PB10_PB11		0
+
+#define PACKET_HAS_SLAVE	0
+#define PACKET_HAS_MASTER	0
+
+#define LOW_LEVEL_DEBUG		0
+
+#define LED_PORT_ENABLE		STM_RCC_AHBENR_GPIOCEN
+#define LED_PORT		(&stm_gpioc)
+#define LED_PIN_RED		0
+#define LED_PIN_GREEN		0
+#define AO_LED_RED		(1 << LED_PIN_RED)
+#define AO_LED_GREEN		(1 << LED_PIN_GREEN)
+
+#define LEDS_AVAILABLE		0
+
+#define HAS_GPS			0
+#define HAS_FLIGHT		0
+#define HAS_ADC			0
+#define HAS_ADC_TEMP		0
+#define HAS_LOG			0
+
+/*
+ * Pressure sensor settings
+ */
+#define HAS_MS5607		0
+#define HAS_MS5611		0
+#define AO_MS5607_PRIVATE_PINS	0
+#define AO_MS5607_CS_PORT	(&stm_gpioc)
+#define AO_MS5607_CS_PIN	4
+#define AO_MS5607_CS_MASK	(1 << AO_MS5607_CS)
+#define AO_MS5607_MISO_PORT	(&stm_gpioa)
+#define AO_MS5607_MISO_PIN	6
+#define AO_MS5607_MISO_MASK	(1 << AO_MS5607_MISO)
+#define AO_MS5607_SPI_INDEX	AO_SPI_1_PA5_PA6_PA7
+
+/*
+ * SPI Flash memory
+ */
+
+#define M25_MAX_CHIPS		0
+#define AO_M25_SPI_CS_PORT	(&stm_gpiod)
+#define AO_M25_SPI_CS_MASK	(1 << 3)
+#define AO_M25_SPI_BUS		AO_SPI_2_PB13_PB14_PB15
+
+#define NUM_CMDS		16
+
+/*
+ * Monitor
+ */
+
+#define HAS_MONITOR		0
+#define LEGACY_MONITOR		0
+#define HAS_MONITOR_PUT		0
+#define AO_MONITOR_LED		0
+#define HAS_RSSI		0
+
+/*
+ * Profiling Viterbi decoding
+ */
+
+#ifndef AO_PROFILE
+#define AO_PROFILE	       	0
+#endif
+
+/*
+ * PWM output
+ */
+
+#define NUM_PWM			0
+#define PWM_MAX			20000
+#define AO_PWM_TIMER		stm_tim4
+#define AO_PWM_TIMER_ENABLE	STM_RCC_APB1ENR_TIM4EN
+#define AO_PWM_TIMER_SCALE	32
+
+#define AO_PWM_0_GPIO		(&stm_gpiod)
+#define AO_PWM_0_PIN		12
+
+#define AO_PWM_1_GPIO		(&stm_gpiod)
+#define AO_PWM_1_PIN		13
+
+#define AO_PWM_2_GPIO		(&stm_gpiod)
+#define AO_PWM_2_PIN		14
+
+#define AO_PWM_3_GPIO		(&stm_gpiod)
+#define AO_PWM_3_PIN		15
+
+#endif /* _AO_PINS_H_ */
diff --git a/src/cortexelf-v1/flash-loader/ao_pins.h b/src/cortexelf-v1/flash-loader/ao_pins.h
new file mode 100644
index 00000000..a34bcb6c
--- /dev/null
+++ b/src/cortexelf-v1/flash-loader/ao_pins.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_PINS_H_
+#define _AO_PINS_H_
+
+/* External crystal at 8MHz */
+#define AO_HSE		8000000
+
+#include <ao_flash_stm_pins.h>
+
+/* Companion port cs_companion0 PB6 */
+
+#define AO_BOOT_PIN			1
+#define AO_BOOT_APPLICATION_GPIO	stm_gpiob
+#define AO_BOOT_APPLICATION_PIN		0
+#define AO_BOOT_APPLICATION_VALUE	1
+#define AO_BOOT_APPLICATION_MODE	AO_EXTI_MODE_PULL_UP
+
+#endif /* _AO_PINS_H_ */