--- /dev/null
+/*
+ * Copyright © 2015 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; version 2 of the License.
+ *
+ * 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_pwm.h"
+
+static uint8_t pwm_running;
+
+static uint16_t pwm_value[NUM_PWM];
+
+static void
+ao_pwm_up(void)
+{
+ if (pwm_running++ == 0) {
+ struct stm_tim234 *tim = &AO_PWM_TIMER;
+ tim->ccr1 = 0;
+ tim->ccr2 = 0;
+ tim->ccr3 = 0;
+ tim->ccr4 = 0;
+ tim->arr = PWM_MAX; /* turn on the timer */
+ }
+}
+
+static void
+ao_pwm_down(void)
+{
+ if (--pwm_running == 0) {
+ struct stm_tim234 *tim = &AO_PWM_TIMER;
+ tim->arr = 0; /* turn off the timer */
+ }
+}
+
+void
+ao_pwm_set(uint8_t pwm, uint16_t value)
+{
+ struct stm_tim234 *tim = &AO_PWM_TIMER;
+
+ if (value != 0) {
+ if (pwm_value[pwm] == 0)
+ ao_pwm_up();
+ } else {
+ if (pwm_value[pwm] != 0)
+ ao_pwm_down();
+ }
+ pwm_value[pwm] = value;
+ switch (pwm) {
+ case 0:
+ tim->ccr1 = value;
+ break;
+ case 1:
+ tim->ccr2 = value;
+ break;
+ case 2:
+ tim->ccr3 = value;
+ break;
+ case 3:
+ tim->ccr4 = value;
+ break;
+ }
+}
+
+static void
+ao_pwm_cmd(void)
+{
+ uint8_t ch;
+ uint16_t val;
+
+ ao_cmd_decimal();
+ ch = ao_cmd_lex_u32;
+ ao_cmd_decimal();
+ val = ao_cmd_lex_u32;
+ if (ao_cmd_status != ao_cmd_success)
+ return;
+
+ printf("Set channel %d to %d\n", ch, val);
+ ao_pwm_set(ch, val);
+}
+
+static const struct ao_cmds ao_pwm_cmds[] = {
+ { ao_pwm_cmd, "P <ch> <val>\0Set PWM ch to val" },
+ { 0, NULL },
+};
+
+void
+ao_pwm_init(void)
+{
+ struct stm_tim234 *tim = &AO_PWM_TIMER;
+
+ stm_rcc.apb1enr |= AO_PWM_TIMER_ENABLE;
+ tim->ccr1 = 0;
+ tim->ccr2 = 0;
+ tim->ccr3 = 0;
+ tim->ccr4 = 0;
+ tim->arr = 0; /* turn off the timer */
+ tim->psc = 0;
+ tim->cnt = 0;
+ tim->ccer = ((1 << STM_TIM234_CCER_CC1E) |
+ (0 << STM_TIM234_CCER_CC1P) |
+ (1 << STM_TIM234_CCER_CC2E) |
+ (0 << STM_TIM234_CCER_CC2P) |
+ (1 << STM_TIM234_CCER_CC3E) |
+ (0 << STM_TIM234_CCER_CC3P) |
+ (1 << STM_TIM234_CCER_CC4E) |
+ (0 << STM_TIM234_CCER_CC4P));
+
+ tim->ccmr1 = ((0 << STM_TIM234_CCMR1_OC2CE) |
+ (STM_TIM234_CCMR1_OC2M_PWM_MODE_1 << STM_TIM234_CCMR1_OC2M) |
+ (1 << STM_TIM234_CCMR1_OC2PE) |
+ (0 << STM_TIM234_CCMR1_OC2FE) |
+ (STM_TIM234_CCMR1_CC2S_OUTPUT << STM_TIM234_CCMR1_CC2S) |
+
+ (0 << STM_TIM234_CCMR1_OC1CE) |
+ (STM_TIM234_CCMR1_OC1M_PWM_MODE_1 << STM_TIM234_CCMR1_OC1M) |
+ (1 << STM_TIM234_CCMR1_OC1PE) |
+ (0 << STM_TIM234_CCMR1_OC1FE) |
+ (STM_TIM234_CCMR1_CC1S_OUTPUT << STM_TIM234_CCMR1_CC1S));
+
+
+ tim->ccmr2 = ((0 << STM_TIM234_CCMR2_OC4CE) |
+ (STM_TIM234_CCMR2_OC4M_PWM_MODE_1 << STM_TIM234_CCMR2_OC4M) |
+ (1 << STM_TIM234_CCMR2_OC4PE) |
+ (0 << STM_TIM234_CCMR2_OC4FE) |
+ (STM_TIM234_CCMR2_CC4S_OUTPUT << STM_TIM234_CCMR2_CC4S) |
+
+ (0 << STM_TIM234_CCMR2_OC3CE) |
+ (STM_TIM234_CCMR2_OC3M_PWM_MODE_1 << STM_TIM234_CCMR2_OC3M) |
+ (1 << STM_TIM234_CCMR2_OC3PE) |
+ (0 << STM_TIM234_CCMR2_OC3FE) |
+ (STM_TIM234_CCMR2_CC3S_OUTPUT << STM_TIM234_CCMR2_CC3S));
+ tim->egr = 0;
+
+ tim->sr = 0;
+ tim->dier = 0;
+ tim->smcr = 0;
+ tim->cr2 = ((0 << STM_TIM234_CR2_TI1S) |
+ (STM_TIM234_CR2_MMS_RESET<< STM_TIM234_CR2_MMS) |
+ (0 << STM_TIM234_CR2_CCDS));
+
+ tim->cr1 = ((STM_TIM234_CR1_CKD_1 << STM_TIM234_CR1_CKD) |
+ (1 << STM_TIM234_CR1_ARPE) |
+ (STM_TIM234_CR1_CMS_EDGE << STM_TIM234_CR1_CMS) |
+ (STM_TIM234_CR1_DIR_UP << STM_TIM234_CR1_DIR) |
+ (0 << STM_TIM234_CR1_OPM) |
+ (0 << STM_TIM234_CR1_URS) |
+ (0 << STM_TIM234_CR1_UDIS) |
+ (1 << STM_TIM234_CR1_CEN));
+
+ stm_afr_set(&stm_gpiod, 12, STM_AFR_AF2);
+#if NUM_PWM > 1
+ stm_afr_set(&stm_gpiod, 13, STM_AFR_AF2);
+#endif
+#if NUM_PWM > 2
+ stm_afr_set(&stm_gpiod, 14, STM_AFR_AF2);
+#endif
+#if NUM_PWM > 3
+ stm_afr_set(&stm_gpiod, 15, STM_AFR_AF2);
+#endif
+
+ ao_cmd_register(&ao_pwm_cmds[0]);
+}
--- /dev/null
+/*
+ * 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; version 2 of the License.
+ *
+ * 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 0
+#define USE_SERIAL_1_STDIN 0
+#define SERIAL_1_PB6_PB7 0
+#define SERIAL_1_PA9_PA10 1
+
+#define HAS_SERIAL_2 0
+#define USE_SERIAL_2_STDIN 0
+#define SERIAL_2_PA2_PA3 0
+#define SERIAL_2_PD5_PD6 0
+
+#define HAS_SERIAL_3 1
+#define USE_SERIAL_3_STDIN 0
+#define SERIAL_3_PB10_PB11 0
+#define SERIAL_3_PC10_PC11 1
+#define SERIAL_3_PD8_PD9 0
+
+#define ao_gps_getchar ao_serial3_getchar
+#define ao_gps_putchar ao_serial3_putchar
+#define ao_gps_set_speed ao_serial3_set_speed
+#define ao_gps_fifo (ao_stm_usart3.rx_fifo)
+
+#define AO_CONFIG_DEFAULT_FLIGHT_LOG_MAX (1024 * 1024)
+#define AO_CONFIG_MAX_SIZE 1024
+#define LOG_ERASE_MARK 0x55
+#define LOG_MAX_ERASE 128
+
+#define HAS_EEPROM 1
+#define USE_INTERNAL_FLASH 0
+#define USE_EEPROM_CONFIG 1
+#define USE_STORAGE_CONFIG 0
+#define HAS_USB 1
+#define HAS_BEEP 1
+#define HAS_BATTERY_REPORT 1
+#define HAS_RADIO 1
+#define HAS_TELEMETRY 1
+#define HAS_APRS 1
+#define HAS_COMPANION 1
+
+#define HAS_SPI_1 1
+#define SPI_1_PA5_PA6_PA7 1 /* Barometer */
+#define SPI_1_PB3_PB4_PB5 0
+#define SPI_1_PE13_PE14_PE15 1 /* Accelerometer, Gyro */
+#define SPI_1_OSPEEDR STM_OSPEEDR_10MHz
+
+#define HAS_SPI_2 1
+#define SPI_2_PB13_PB14_PB15 1 /* Flash, Companion */
+#define SPI_2_PD1_PD3_PD4 0
+#define SPI_2_OSPEEDR STM_OSPEEDR_10MHz
+
+#define SPI_2_PORT (&stm_gpiob)
+#define SPI_2_SCK_PIN 13
+#define SPI_2_MISO_PIN 14
+#define SPI_2_MOSI_PIN 15
+
+#define HAS_I2C_1 1
+#define I2C_1_PB8_PB9 1
+
+#define HAS_I2C_2 0
+#define I2C_2_PB10_PB11 0
+
+#define PACKET_HAS_SLAVE 1
+#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 8
+#define LED_PIN_GREEN 9
+#define AO_LED_RED (1 << LED_PIN_RED)
+#define AO_LED_GREEN (1 << LED_PIN_GREEN)
+
+#define LEDS_AVAILABLE (AO_LED_RED | AO_LED_GREEN)
+
+#define HAS_GPS 1
+#define HAS_FLIGHT 1
+#define HAS_ADC 1
+#define HAS_ADC_TEMP 1
+#define HAS_LOG 1
+
+/*
+ * Igniter
+ */
+
+#define HAS_IGNITE 1
+#define HAS_IGNITE_REPORT 1
+
+#define AO_SENSE_PYRO(p,n) ((p)->adc.sense[n])
+#define AO_SENSE_DROGUE(p) ((p)->adc.sense[4])
+#define AO_SENSE_MAIN(p) ((p)->adc.sense[5])
+#define AO_IGNITER_CLOSED 400
+#define AO_IGNITER_OPEN 60
+
+/* Pyro A */
+#define AO_PYRO_PORT_0 (&stm_gpiod)
+#define AO_PYRO_PIN_0 6
+
+/* Pyro B */
+#define AO_PYRO_PORT_1 (&stm_gpiod)
+#define AO_PYRO_PIN_1 7
+
+/* Pyro C */
+#define AO_PYRO_PORT_2 (&stm_gpiob)
+#define AO_PYRO_PIN_2 5
+
+/* Pyro D */
+#define AO_PYRO_PORT_3 (&stm_gpioe)
+#define AO_PYRO_PIN_3 4
+
+/* Drogue */
+#define AO_IGNITER_DROGUE_PORT (&stm_gpioe)
+#define AO_IGNITER_DROGUE_PIN 6
+
+/* Main */
+#define AO_IGNITER_MAIN_PORT (&stm_gpioe)
+#define AO_IGNITER_MAIN_PIN 5
+
+/* Number of general purpose pyro channels available */
+#define AO_PYRO_NUM 4
+
+#define AO_IGNITER_SET_DROGUE(v) stm_gpio_set(AO_IGNITER_DROGUE_PORT, AO_IGNITER_DROGUE_PIN, v)
+#define AO_IGNITER_SET_MAIN(v) stm_gpio_set(AO_IGNITER_MAIN_PORT, AO_IGNITER_MAIN_PIN, v)
+
+/*
+ * ADC
+ */
+#define AO_DATA_RING 32
+#define AO_ADC_NUM_SENSE 6
+
+struct ao_adc {
+ int16_t sense[AO_ADC_NUM_SENSE];
+ int16_t v_batt;
+ int16_t v_pbatt;
+ int16_t temp;
+};
+
+#define AO_ADC_DUMP(p) \
+ printf("tick: %5u A: %5d B: %5d C: %5d D: %5d drogue: %5d main: %5d batt: %5d pbatt: %5d temp: %5d\n", \
+ (p)->tick, \
+ (p)->adc.sense[0], (p)->adc.sense[1], (p)->adc.sense[2], \
+ (p)->adc.sense[3], (p)->adc.sense[4], (p)->adc.sense[5], \
+ (p)->adc.v_batt, (p)->adc.v_pbatt, (p)->adc.temp)
+
+#define AO_ADC_SENSE_A 0
+#define AO_ADC_SENSE_A_PORT (&stm_gpioa)
+#define AO_ADC_SENSE_A_PIN 0
+
+#define AO_ADC_SENSE_B 1
+#define AO_ADC_SENSE_B_PORT (&stm_gpioa)
+#define AO_ADC_SENSE_B_PIN 1
+
+#define AO_ADC_SENSE_C 2
+#define AO_ADC_SENSE_C_PORT (&stm_gpioa)
+#define AO_ADC_SENSE_C_PIN 2
+
+#define AO_ADC_SENSE_D 3
+#define AO_ADC_SENSE_D_PORT (&stm_gpioa)
+#define AO_ADC_SENSE_D_PIN 3
+
+#define AO_ADC_SENSE_DROGUE 4
+#define AO_ADC_SENSE_DROGUE_PORT (&stm_gpioa)
+#define AO_ADC_SENSE_DROGUE_PIN 4
+
+#define AO_ADC_SENSE_MAIN 22
+#define AO_ADC_SENSE_MAIN_PORT (&stm_gpioe)
+#define AO_ADC_SENSE_MAIN_PIN 7
+
+#define AO_ADC_V_BATT 8
+#define AO_ADC_V_BATT_PORT (&stm_gpiob)
+#define AO_ADC_V_BATT_PIN 0
+
+#define AO_ADC_V_PBATT 9
+#define AO_ADC_V_PBATT_PORT (&stm_gpiob)
+#define AO_ADC_V_PBATT_PIN 1
+
+#define AO_ADC_TEMP 16
+
+#define AO_ADC_RCC_AHBENR ((1 << STM_RCC_AHBENR_GPIOAEN) | \
+ (1 << STM_RCC_AHBENR_GPIOEEN) | \
+ (1 << STM_RCC_AHBENR_GPIOBEN))
+
+#define AO_NUM_ADC_PIN (AO_ADC_NUM_SENSE + 2)
+
+#define AO_ADC_PIN0_PORT AO_ADC_SENSE_A_PORT
+#define AO_ADC_PIN0_PIN AO_ADC_SENSE_A_PIN
+#define AO_ADC_PIN1_PORT AO_ADC_SENSE_B_PORT
+#define AO_ADC_PIN1_PIN AO_ADC_SENSE_B_PIN
+#define AO_ADC_PIN2_PORT AO_ADC_SENSE_C_PORT
+#define AO_ADC_PIN2_PIN AO_ADC_SENSE_C_PIN
+#define AO_ADC_PIN3_PORT AO_ADC_SENSE_D_PORT
+#define AO_ADC_PIN3_PIN AO_ADC_SENSE_D_PIN
+#define AO_ADC_PIN4_PORT AO_ADC_SENSE_DROGUE_PORT
+#define AO_ADC_PIN4_PIN AO_ADC_SENSE_DROGUE_PIN
+#define AO_ADC_PIN5_PORT AO_ADC_SENSE_MAIN_PORT
+#define AO_ADC_PIN5_PIN AO_ADC_SENSE_MAIN_PIN
+#define AO_ADC_PIN6_PORT AO_ADC_V_BATT_PORT
+#define AO_ADC_PIN6_PIN AO_ADC_V_BATT_PIN
+#define AO_ADC_PIN7_PORT AO_ADC_V_PBATT_PORT
+#define AO_ADC_PIN7_PIN AO_ADC_V_PBATT_PIN
+
+#define AO_NUM_ADC (AO_ADC_NUM_SENSE + 3)
+
+#define AO_ADC_SQ1 AO_ADC_SENSE_A
+#define AO_ADC_SQ2 AO_ADC_SENSE_B
+#define AO_ADC_SQ3 AO_ADC_SENSE_C
+#define AO_ADC_SQ4 AO_ADC_SENSE_D
+#define AO_ADC_SQ5 AO_ADC_SENSE_DROGUE
+#define AO_ADC_SQ6 AO_ADC_SENSE_MAIN
+#define AO_ADC_SQ7 AO_ADC_V_BATT
+#define AO_ADC_SQ8 AO_ADC_V_PBATT
+#define AO_ADC_SQ9 AO_ADC_TEMP
+
+/*
+ * Voltage divider on ADC battery sampler
+ */
+#define AO_BATTERY_DIV_PLUS 56 /* 5.6k */
+#define AO_BATTERY_DIV_MINUS 100 /* 10k */
+
+/*
+ * Voltage divider on ADC igniter samplers
+ */
+#define AO_IGNITE_DIV_PLUS 100 /* 100k */
+#define AO_IGNITE_DIV_MINUS 27 /* 27k */
+
+/*
+ * ADC reference in decivolts
+ */
+#define AO_ADC_REFERENCE_DV 33
+
+/*
+ * Pressure sensor settings
+ */
+#define HAS_MS5607 1
+#define HAS_MS5611 0
+#define AO_MS5607_PRIVATE_PINS 1
+#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 1
+#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
+
+/*
+ * Radio (cc1120)
+ */
+
+/* gets pretty close to 434.550 */
+
+#define AO_RADIO_CAL_DEFAULT 0x6ca333
+
+#define AO_FEC_DEBUG 0
+#define AO_CC1120_SPI_CS_PORT (&stm_gpioc)
+#define AO_CC1120_SPI_CS_PIN 5
+#define AO_CC1120_SPI_BUS AO_SPI_2_PB13_PB14_PB15
+#define AO_CC1120_SPI stm_spi2
+
+#define AO_CC1120_INT_PORT (&stm_gpioe)
+#define AO_CC1120_INT_PIN 1
+#define AO_CC1120_MCU_WAKEUP_PORT (&stm_gpioc)
+#define AO_CC1120_MCU_WAKEUP_PIN (0)
+
+#define AO_CC1120_INT_GPIO 2
+#define AO_CC1120_INT_GPIO_IOCFG CC1120_IOCFG2
+
+#define AO_CC1120_MARC_GPIO 3
+#define AO_CC1120_MARC_GPIO_IOCFG CC1120_IOCFG3
+
+#define HAS_BOOT_RADIO 0
+
+/*
+ * Mag sensor (hmc5883)
+ */
+
+#define HAS_HMC5883 1
+#define AO_HMC5883_INT_PORT (&stm_gpioc)
+#define AO_HMC5883_INT_PIN 12
+#define AO_HMC5883_I2C_INDEX STM_I2C_INDEX(1)
+
+/*
+ * mpu6000
+ */
+
+#define HAS_MPU6000 1
+#define AO_MPU6000_INT_PORT (&stm_gpioe)
+#define AO_MPU6000_INT_PIN 0
+#define AO_MPU6000_SPI_BUS AO_SPI_1_PE13_PE14_PE15
+#define AO_MPU6000_SPI_CS_PORT (&stm_gpiod)
+#define AO_MPU6000_SPI_CS_PIN 2
+#define HAS_IMU 1
+
+/*
+ * mma655x
+ */
+
+#define HAS_MMA655X 1
+#define AO_MMA655X_SPI_INDEX AO_SPI_1_PE13_PE14_PE15
+#define AO_MMA655X_CS_PORT (&stm_gpiod)
+#define AO_MMA655X_CS_PIN 4
+
+#define NUM_CMDS 16
+
+/*
+ * Companion
+ */
+
+#define AO_COMPANION_CS_PORT (&stm_gpiob)
+#define AO_COMPANION_CS_PIN_0 (6)
+#define AO_COMPANION_CS_PIN AO_COMPANION_CS_PIN_0
+#define AO_COMPANION_CS_PIN_1 (7)
+#define AO_COMPANION_SPI_BUS AO_SPI_2_PB13_PB14_PB15
+
+/*
+ * Monitor
+ */
+
+#define HAS_MONITOR 0
+#define LEGACY_MONITOR 0
+#define HAS_MONITOR_PUT 1
+#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 4
+#define PWM_MAX 1024
+#define AO_PWM_TIMER stm_tim4
+#define AO_PWM_TIMER_ENABLE STM_RCC_APB1ENR_TIM4EN
+
+#endif /* _AO_PINS_H_ */
projects / fw / altos / commitdiff