--- /dev/null
+/*
+ * Copyright © 2023 Bdale Garbee <bdale@gag.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>
+
+/*
+ * define the FET outputs
+ */
+
+typedef struct
+{
+ struct stm_gpio * port;
+ int pin;
+} fet;
+
+fet outputs[] = {
+ {&stm_gpioe, 9}, /* step_0 */
+ {&stm_gpioe, 13}, /* step_1 */
+ {&stm_gpiob, 11}, /* step_2 */
+ {&stm_gpioe, 8}, /* step_3 */
+ {&stm_gpioe, 12}, /* step_4 */
+ {&stm_gpioe, 10}, /* step_5 */
+ {&stm_gpioe, 14}, /* step_6 */
+ {&stm_gpiob, 10}, /* step_7 */
+ {&stm_gpioe, 11}, /* step_8 */
+ {&stm_gpioe, 15}, /* step_9 */
+ {&stm_gpioa, 5}, /* step_10 */
+ {&stm_gpioc, 5}, /* step_11 */
+ {&stm_gpioe, 7}, /* step_12 */
+ {&stm_gpioa, 6}, /* step_13 */
+ {&stm_gpiob, 0}, /* step_14 */
+ {&stm_gpioa, 3}, /* step_15 */
+ {&stm_gpioa, 7}, /* step_16 */
+ {&stm_gpiob, 1}, /* step_17 */
+ {&stm_gpioa, 4}, /* step_18 */
+ {&stm_gpioc, 4}, /* step_19 */
+ {&stm_gpioe, 4}, /* step_20 */
+ {&stm_gpioc, 0}, /* step_21 */
+ {&stm_gpioc, 3}, /* step_22 */
+ {&stm_gpioe, 5}, /* step_23 */
+ {&stm_gpioc, 1}, /* step_24 */
+ {&stm_gpioe, 2}, /* step_25 */
+ {&stm_gpioc, 14}, /* step_26 */
+ {&stm_gpioc, 2}, /* step_27 */
+ {&stm_gpioe, 3}, /* step_28 */
+ {&stm_gpioc, 15}, /* step_29 */
+ {&stm_gpiob, 3}, /* step_30 */
+ {&stm_gpiob, 5}, /* step_31 */
+ {&stm_gpiob, 9}, /* step_32 */
+ {&stm_gpiob, 4}, /* step_33 */
+ {&stm_gpiob, 6}, /* step_34 */
+ {&stm_gpiod, 7}, /* step_35 */
+ {&stm_gpiob, 7}, /* step_36 */
+ {&stm_gpioe, 0}, /* step_37 */
+ {&stm_gpiod, 6}, /* step_38 */
+ {&stm_gpiob, 8}, /* step_39 */
+ {&stm_gpioc, 7}, /* step_40 */
+ {&stm_gpiod, 1}, /* step_41 */
+ {&stm_gpiod, 4}, /* step_42 */
+ {&stm_gpioc, 6}, /* step_43 */
+ {&stm_gpiod, 0}, /* step_44 */
+ {&stm_gpioc, 8}, /* step_45 */
+ {&stm_gpiod, 2}, /* step_46 */
+ {&stm_gpiod, 5}, /* step_47 */
+ {&stm_gpioc, 9}, /* step_48 */
+ {&stm_gpiod, 3}}; /* step_49 */
+
+static void
+ao_fet_control(uint32_t output, uint8_t value)
+{
+ /* map output 1-50 to corresponding GPIO port and pin, set to value */
+ ao_gpio_set(outputs[output - 1].port, outputs[output - 1].pin, value);
+}
+
+static void
+ao_fet_init(void)
+{
+ int i;
+
+ /* initialize GPIO outputs and turn them all off */
+ for (i = 0; i < 50; i++)
+ {
+ ao_enable_output(outputs[i].port, outputs[i].pin, 0);
+ }
+}
+
+static void
+ao_fet_on(void)
+{
+ uint32_t output;
+
+ output = ao_cmd_decimal();
+ if (ao_cmd_status != ao_cmd_success)
+ return;
+ if ((output < 1) || (output > 50))
+ printf ("Invalid FET selection %lu, must be 1..50\n", output);
+ else {
+ ao_fet_control(output, 1);
+ ao_led_on(AO_LED_RED);
+ }
+}
+
+static void
+ao_fet_off(void)
+{
+ uint32_t output;
+
+ output = ao_cmd_decimal();
+ if (ao_cmd_status != ao_cmd_success)
+ return;
+ if ((output < 1) || (output > 50))
+ printf ("Invalid FET selection %lu, must be 1..50\n", output);
+ else {
+ ao_fet_control(output, 0);
+ ao_led_off(AO_LED_RED);
+ }
+}
+
+static const struct ao_cmds ao_fet_cmds[] = {
+ { ao_fet_on, "S <output>\0Set (turn on) FET" },
+ { ao_fet_off, "R <output>\0Reset (turn off) FET" },
+ { 0, NULL }
+};
+
+int
+main(void)
+{
+ ao_fet_init(); /* turn all outputs off ASAP */
+ ao_clock_init();
+
+ ao_task_init();
+ ao_led_init();
+
+ /* both LEDs on briefly as system test */
+ ao_led_on(LEDS_AVAILABLE);
+
+ ao_serial_init();
+ ao_timer_init();
+ ao_dma_init();
+ ao_adc_init();
+ ao_cmd_init();
+ ao_usb_init();
+
+ ao_cmd_register(ao_fet_cmds);
+
+ /* turn red off, leave green on as a "power indicator" */
+ ao_led_off(AO_LED_RED);
+
+ ao_start_scheduler();
+}
--- /dev/null
+/*
+ * Copyright © 2023 Bdale Garbee <bdale@gag.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_
+
+
+/* 16MHz High speed external crystal */
+#define AO_HSE 16000000
+
+/* PLLVCO = 96MHz (so that USB will work) */
+#define AO_PLLMUL 6
+#define AO_RCC_CFGR_PLLMUL (STM_RCC_CFGR_PLLMUL_6)
+
+/* 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 0
+
+#define HAS_SERIAL_2 0
+#define USE_SERIAL_2_STDIN 0
+#define SERIAL_2_PA2_PA3 0
+#define SERIAL_2_PD5_PD6 0
+#define USE_SERIAL_2_FLOW 0
+#define USE_SERIAL_2_SW_FLOW 0
+
+#define HAS_SERIAL_3 1
+#define USE_SERIAL_3_STDIN 0
+#define SERIAL_3_PB10_PB11 0
+#define SERIAL_3_PC10_PC11 0
+#define SERIAL_3_PD8_PD9 1
+
+#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 HAS_SPI_2 0
+#define HAS_I2C_1 0
+#define HAS_I2C_2 0
+
+#define LOW_LEVEL_DEBUG 0
+
+#define LED_PORT_ENABLE STM_RCC_AHBENR_GPIOBEN
+#define LED_PORT (&stm_gpiob)
+#define LED_PIN_RED 13
+#define LED_PIN_GREEN 12
+#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 0
+#define HAS_FLIGHT 0
+#define HAS_ADC 1
+#define HAS_ADC_TEMP 1
+#define HAS_LOG 0
+
+/*
+ * ADC
+ */
+#define AO_DATA_RING 32
+
+struct ao_adc {
+ int16_t v_dc;
+ int16_t temp;
+};
+
+#define AO_ADC_DUMP(p) \
+ printf("tick: dc: %5d temp: %5d\n", \
+ (p)->adc.v_dc, (p)->adc.temp)
+
+#define AO_ADC_V_DC 0
+#define AO_ADC_V_DC_PORT (&stm_gpioa)
+#define AO_ADC_V_DC_PIN 0
+
+#define AO_ADC_TEMP 1
+
+#define AO_ADC_RCC_AHBENR ((1 << STM_RCC_AHBENR_GPIOAEN))
+
+#define AO_NUM_ADC_PIN 2
+
+#define AO_ADC_PIN0_PORT AO_ADC_V_DC_PORT
+#define AO_ADC_PIN0_PIN AO_ADC_V_DC_PIN
+
+#define AO_NUM_ADC 2
+
+#define AO_ADC_SQ1 AO_ADC_V_DC
+#define AO_ADC_SQ2 AO_ADC_TEMP
+
+/*
+ * Voltage divider on ADC DC sampler
+ */
+#define AO_DC_DIV_PLUS 100 /* 100k */
+#define AO_DC_DIV_MINUS 10 /* 10k */
+
+/*
+ * ADC reference in decivolts
+ */
+#define AO_ADC_REFERENCE_DV 33
+
+#endif /* _AO_PINS_H_ */