altos/micropeak-v2.0: Reduce power usage

[fw/altos] / src / micropeak-v2.0 / ao_micropeak.c

diff --git a/src/micropeak-v2.0/ao_micropeak.c b/src/micropeak-v2.0/ao_micropeak.c
index 0e3a90056d9ddd5c01cc2f8075898f4cf39746bc..1bf0999ec1da00c8743e3c7421f0270ce877c99b 100644 (file)
--- a/src/micropeak-v2.0/ao_micropeak.c
+++ b/src/micropeak-v2.0/ao_micropeak.c
@@ -164,6 +164,13 @@ ao_battery_voltage(void)
        return 330 * stm_cal.vrefint_cal / vrefint;
 }
 
+static void
+ao_log_erase(void)
+{
+       uint32_t        pos;
+       for (pos = 0; pos < ao_storage_log_max; pos += ao_storage_block)
+               ao_storage_erase(pos);
+}
 
 uint8_t        ao_on_battery;
 
@@ -171,7 +178,6 @@ static void
 ao_micropeak(void)
 {
        ao_ms5607_setup();
-       ao_storage_setup();
 
        /* Give the person a second to get their finger out of the way */
        ao_delay(AO_MS_TO_TICKS(1000));
@@ -187,6 +193,7 @@ ao_micropeak(void)
 #if BOOST_DELAY
        ao_delay(BOOST_DELAY);
 #endif
+       ao_log_erase();
 
        ao_microflight();
 
@@ -194,6 +201,7 @@ ao_micropeak(void)
        ao_compute_height();
        ao_report_altitude();
 
+       ao_sleep_mode();
        ao_sleep(&ao_on_battery);
 }
 
@@ -203,7 +211,52 @@ ao_show_bat(void)
        printf("battery: %u\n", ao_battery_voltage());
 }
 
+uint8_t
+ao_log_present(void)
+{
+       uint16_t        n_samples;
+
+       ao_eeprom_read(N_SAMPLES_OFFSET, &n_samples, sizeof (n_samples));
+
+       return n_samples != 0xffff;
+}
+
+static void
+ao_log_list(void)
+{
+       if (ao_log_present())
+               printf ("flight %d start %x end %x\n",
+                       1,
+                       0, MAX_LOG_OFFSET >> 8);
+       printf ("done\n");
+}
+
+static void
+ao_log_delete(void)
+{
+       int16_t cmd_flight = 1;
+
+       ao_cmd_white();
+       if (ao_cmd_lex_c == '-') {
+               cmd_flight = -1;
+               ao_cmd_lex();
+       }
+       cmd_flight *= ao_cmd_decimal();
+       if (ao_cmd_status != ao_cmd_success)
+               return;
+
+       /* Look for the flight log matching the requested flight */
+       if (cmd_flight == 1 && ao_log_present()) {
+               ao_log_erase();
+               puts("Erased");
+               return;
+       }
+       printf("No such flight: %d\n", cmd_flight);
+}
+
 static struct ao_cmds mp_cmd[] = {
+       { ao_log_list,  "l\0List logs" },
+       { ao_log_delete,        "d <flight-number>\0Delete flight" },
        { ao_show_bat, "b\0Show battery voltage" },
        { 0 }
 };
@@ -219,9 +272,6 @@ ao_hsi_init(void)
        /* Enable prefetch */
        stm_flash.acr |= (1 << STM_FLASH_ACR_PRFTBE);
 
-       /* Enable power interface clock */
-       stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_PWREN);
-
        /* HCLK to 48MHz -> AHB prescaler = /1 */
        cfgr = stm_rcc.cfgr;
        cfgr &= ~(STM_RCC_CFGR_HPRE_MASK << STM_RCC_CFGR_HPRE);
@@ -261,15 +311,22 @@ main(void)
        ao_led_init();
        ao_task_init();
        ao_timer_init();
-       ao_serial_init();
        stm_moder_set(&stm_gpioa, 2, STM_MODER_OUTPUT);
        ao_dma_init();
        ao_spi_init();
        ao_exti_init();
 
+       ao_storage_setup();
+
        ao_ms5607_init();
        ao_storage_init();
 
+       /* Let FLITF clock turn off in sleep mode */
+       stm_rcc.ahbenr &= ~(1 << STM_RCC_AHBENR_FLITFEN);
+
+       /* Le SRAM clock turn off in sleep mode */
+       stm_rcc.ahbenr &= ~(1 << STM_RCC_AHBENR_SRAMEN);
+
        if (ao_on_battery) {
                /* On battery power, run the flight code */
                ao_add_task(&mp_task, ao_micropeak, "micropeak");
@@ -278,6 +335,7 @@ main(void)
                ao_usb_init();
                ao_cmd_init();
                ao_cmd_register(mp_cmd);
+               ao_config_init();
        }
        ao_start_scheduler();
 }