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| author | Keith Packard <keithp@keithp.com> | 2016-01-19 18:30:57 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2016-01-19 18:30:57 -0800 |
| commit | 02fd767ab60a9957faa2bff29c62ed954abc34e7 (patch) | |
| tree | f0fa7d34d00457ee7bf13db2010406c7c25c2370 | |
| parent | e5be0be35f724507d7efff48339a297df73d2641 (diff) | |
src/chaoskey-v0.1: Add HV enable support
Turn on the HV supply when the OS starts.
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | src/chaoskey-v0.1/ao_chaoskey.c | 8 | ||||
| -rw-r--r-- | src/chaoskey-v0.1/ao_pins.h | 5 |
2 files changed, 13 insertions, 0 deletions
diff --git a/src/chaoskey-v0.1/ao_chaoskey.c b/src/chaoskey-v0.1/ao_chaoskey.c index 48c8bf04..c9490184 100644 --- a/src/chaoskey-v0.1/ao_chaoskey.c +++ b/src/chaoskey-v0.1/ao_chaoskey.c @@ -20,6 +20,12 @@ #include <ao_crc.h> #include <ao_trng_send.h> +static void +ao_hv_init(void) +{ + ao_enable_output(AO_HV_ENABLE_PORT, AO_HV_ENABLE_BIT, AO_HV_ENABLE_PIN, 1); +} + void main(void) { ao_led_init(LEDS_AVAILABLE); @@ -33,6 +39,8 @@ void main(void) ao_usb_init(); + ao_hv_init(); + ao_trng_send_init(); ao_led_off(AO_LED_RED); diff --git a/src/chaoskey-v0.1/ao_pins.h b/src/chaoskey-v0.1/ao_pins.h index 72963dba..8f3eb7b1 100644 --- a/src/chaoskey-v0.1/ao_pins.h +++ b/src/chaoskey-v0.1/ao_pins.h @@ -57,6 +57,11 @@ #define AO_NUM_ADC 1 +/* HV enable */ + +#define AO_HV_ENABLE_PORT (&stm_gpioa) +#define AO_HV_ENABLE_BIT 8 + /* CRC */ #define AO_CRC_WIDTH 32 #define AO_CRC_INIT 0xffffffff |