Sojus07/hackrf
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Set 1V8 enable state before configuring pin function or to output mode

Browse Source 
...to avoid glitching 1V8 enable voltage.
This commit is contained in:
Jared Boone
2018-12-27 20:31:31 -08:00
parent 610e6b58cc
commit bfd3b1b768
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
firmware/common/hackrf_core.c
View File

@ -781,8 +781,6 @@ void pin_setup(void) {
scu_pinmux(SCU_PINMUX_LED4, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION4);
#endif
scu_pinmux(SCU_PINMUX_EN1V8, SCU_GPIO_NOPULL);
/* Configure USB indicators */
#ifdef JAWBREAKER
scu_pinmux(SCU_PINMUX_USB_LED0, SCU_CONF_FUNCTION3);
@ -796,7 +794,9 @@ void pin_setup(void) {
gpio_output(&gpio_led[3]);
#endif
disable_1v8_power();
gpio_output(&gpio_1v8_enable);
scu_pinmux(SCU_PINMUX_EN1V8, SCU_GPIO_NOPULL | SCU_CONF_FUNCTION0);
#ifdef HACKRF_ONE
/* Safe state: start with VAA turned off: */