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disable antenna port power

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This commit is contained in:
Michael Ossmann
2014-02-21 16:55:44 -07:00
parent 9afa1fe984
commit 7f34c6cc92
1 changed files with 15 additions and 2 deletions
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17
firmware/common/rf_path.c
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@ -76,6 +76,13 @@
uint8_t switchctrl = SWITCHCTRL_SAFE;
#ifdef HACKRF_ONE
/*
* Antenna port power on HackRF One is controlled by GPO1 on the RFFC5072.
* This is the only thing we use RFFC5072 GPO for on HackRF One. The value of
* SWITCHCTRL_NO_ANT_PWR does not correspond to the GPO1 bit in the gpo
* register.
*/
#define SWITCHCTRL_ANT_PWR (1 << 6) /* turn on antenna port power */
static void switchctrl_set_hackrf_one(uint8_t ctrl) {
if (ctrl & SWITCHCTRL_TX) {
gpio_set(PORT_TX, PIN_TX);
@ -139,6 +146,12 @@ static void switchctrl_set_hackrf_one(uint8_t ctrl) {
gpio_set(PORT_NO_TX_AMP_PWR, PIN_NO_TX_AMP_PWR);
if (ctrl & SWITCHCTRL_NO_RX_AMP_PWR)
gpio_set(PORT_NO_RX_AMP_PWR, PIN_NO_RX_AMP_PWR);
if (ctrl & SWITCHCTRL_ANT_PWR) {
rffc5071_set_gpo(0x00); /* turn on antenna power by clearing GPO1 */
} else {
rffc5071_set_gpo(0x01); /* turn off antenna power by setting GPO1 */
}
}
#endif
@ -180,8 +193,8 @@ void rf_path_pin_setup() {
GPIO5_DIR |= (PIN_TX | PIN_MIX_BYPASS | PIN_RX);
/*
* Safe (initial) switch settings turn off both amplifiers and enable both
* amp bypass and mixer bypass.
* Safe (initial) switch settings turn off both amplifiers and antenna port
* power and enable both amp bypass and mixer bypass.
*/
switchctrl_set(SWITCHCTRL_AMP_BYPASS | SWITCHCTRL_MIX_BYPASS);