diff options
| author | Keith Packard <keithp@keithp.com> | 2013-06-16 15:07:54 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2013-06-16 15:07:54 -0700 |
| commit | 1676c7dbc3dcce2962be9ef9a58d37c7b48e3c0f (patch) | |
| tree | 9e031ad4f3f9abe8d5da507fc2e13567fc1d67cd /src/lpc/ao_timer_lpc.c | |
| parent | be9ee9ed2d041c4ab4e77ee2010fe3c7a1ca6597 (diff) | |
altos/lpc: Turn off more clocks, disable USART for easymini
Try to reduce noise on the power supply.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/lpc/ao_timer_lpc.c')
| -rw-r--r-- | src/lpc/ao_timer_lpc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/lpc/ao_timer_lpc.c b/src/lpc/ao_timer_lpc.c index 51835baa..73a0e258 100644 --- a/src/lpc/ao_timer_lpc.c +++ b/src/lpc/ao_timer_lpc.c @@ -177,4 +177,15 @@ ao_clock_init(void) lpc_scb.ssp1clkdiv = 0; lpc_scb.usbclkdiv = 0; lpc_scb.clkoutdiv = 0; + + /* Power down everything we don't need */ + lpc_scb.pdruncfg = ((1 << LPC_SCB_PDRUNCFG_IRCOUT_PD) | + (1 << LPC_SCB_PDRUNCFG_IRC_PD) | + (1 << LPC_SCB_PDRUNCFG_BOD_PD) | + (1 << LPC_SCB_PDRUNCFG_ADC_PD) | + (1 << LPC_SCB_PDRUNCFG_WDTOSC_PD) | + (1 << LPC_SCB_PDRUNCFG_USBPLL_PD) | + (1 << LPC_SCB_PDRUNCFG_USBPAD_PD) | + (1 << 11) | + (7 << 13)); } |