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short pulses when enabling VAA to avoid a big voltage glitch

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This commit is contained in:
Michael Ossmann
2018-01-28 16:24:48 -07:00
parent b095c5326a
commit 5d6667141e
1 changed files with 7 additions and 0 deletions
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7
firmware/common/hackrf_core.c
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@ -952,6 +952,13 @@ void disable_1v8_power(void) {
#ifdef HACKRF_ONE #ifdef HACKRF_ONE
void enable_rf_power(void) { void enable_rf_power(void) {
uint32_t i;
/* many short pulses to avoid one big voltage glitch */
for (i = 0; i < 1000; i++) {
gpio_clear(&gpio_vaa_disable);
gpio_set(&gpio_vaa_disable);
}
gpio_clear(&gpio_vaa_disable); gpio_clear(&gpio_vaa_disable);
} }