diff options
| author | Keith Packard <keithp@keithp.com> | 2018-04-21 16:16:18 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2018-04-26 19:33:48 -0700 |
| commit | 0dfaecc25a12da57248541a66dd5118161616cce (patch) | |
| tree | 9eec27d4fe24e1818dd657de37a67a5d3feab6b0 /src | |
| parent | 8025b98420f16730e5e6e45114cbdbbf88f7a748 (diff) | |
altos/fox1ihu: Pull down radio control pin in flash loader
Ensures that the radio is powered down while in the flash loader.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/fox1ihu/flash-loader/ao_pins.h | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/src/fox1ihu/flash-loader/ao_pins.h b/src/fox1ihu/flash-loader/ao_pins.h index 31201eb0..19f29b08 100644 --- a/src/fox1ihu/flash-loader/ao_pins.h +++ b/src/fox1ihu/flash-loader/ao_pins.h @@ -22,16 +22,27 @@ #define AO_HSE 8000000 #define AO_WATCHDOG_PORT (&stm_gpiod) +#define AO_WATCHDOG_PORT_BIT (1 << STM_RCC_AHBENR_GPIODEN) #define AO_WATCHDOG_BIT 3 - -#define AO_FLASH_LOADER_INIT do { \ - ao_enable_output(AO_WATCHDOG_PORT, AO_WATCHDOG_BIT, AO_WATCHDOG, 0); \ +#define AO_WATCHDOG_VALUE 0 + +#define AO_RADIO_CONTROL_PORT (&stm_gpioe) +#define AO_RADIO_CONTROL_PORT_BIT (1 << STM_RCC_AHBENR_GPIOEEN) +#define AO_RADIO_CONTROL_BIT 12 +#define AO_RADIO_CONTROL_VALUE 1 + +#define AO_FLASH_LOADER_INIT do { \ + stm_rcc.ahbenr |= AO_WATCHDOG_PORT_BIT | AO_RADIO_CONTROL_PORT_BIT; \ + \ + stm_gpio_set(AO_WATCHDOG_PORT, AO_WATCHDOG_BIT, AO_WATCHDOG_VALUE); \ + stm_moder_set(AO_WATCHDOG_PORT, AO_WATCHDOG_BIT, STM_MODER_OUTPUT); \ + \ + stm_gpio_set(AO_RADIO_CONTROL_PORT, AO_RADIO_CONTROL_BIT, AO_RADIO_CONTROL_VALUE); \ + stm_moder_set(AO_RADIO_CONTROL_PORT, AO_RADIO_CONTROL_BIT, STM_MODER_OUTPUT); \ } while (0) - + #define AO_TIMER_HOOK do { \ - static uint8_t watchdog; \ - ao_gpio_set(AO_WATCHDOG_PORT, AO_WATCHDOG_BIT, AO_WATCHDOG_PIN, watchdog); \ - watchdog ^= 1; \ + AO_WATCHDOG_PORT->odr ^= (1 << AO_WATCHDOG_BIT); \ } while (0) #define HAS_TICK 1 |