From 1676c7dbc3dcce2962be9ef9a58d37c7b48e3c0f Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sun, 16 Jun 2013 15:07:54 -0700 Subject: altos/lpc: Turn off more clocks, disable USART for easymini Try to reduce noise on the power supply. Signed-off-by: Keith Packard --- src/lpc/ao_timer_lpc.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'src/lpc/ao_timer_lpc.c') 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)); } -- cgit v1.2.3