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altos: Wake up on LPC usart ISR only once
[fw/altos]
/
src
/
lpc
/
ao_spi_lpc.c
diff --git
a/src/lpc/ao_spi_lpc.c
b/src/lpc/ao_spi_lpc.c
index 12d448723cdb81cb722c64ea06df140622ada329..a889137cbb7a4e1f84437f601d76e78f8cc22ce8 100644
(file)
--- a/
src/lpc/ao_spi_lpc.c
+++ b/
src/lpc/ao_spi_lpc.c
@@
-42,7
+42,7
@@
static uint8_t spi_dev_null;
/* recv a byte */ \
get lpc_ssp->dr; \
} \
/* recv a byte */ \
get lpc_ssp->dr; \
} \
- } while (0)
;
+ } while (0)
void
ao_spi_send(void *block, uint16_t len, uint8_t id)
void
ao_spi_send(void *block, uint16_t len, uint8_t id)
@@
-182,7
+182,7
@@
ao_spi_init(void)
#endif
#if SPI_MOSI1_P0_21
#endif
#if SPI_MOSI1_P0_21
- lpc_ioconf.pio
1
_21 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO0_21_MOSI1);
+ lpc_ioconf.pio
0
_21 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO0_21_MOSI1);
#define HAS_MOSI1
#endif
#if SPI_MOSI1_P1_22
#define HAS_MOSI1
#endif
#if SPI_MOSI1_P1_22
@@
-199,7
+199,8
@@
ao_spi_init(void)
/* Turn on the clock */
lpc_scb.ssp1clkdiv = 1;
/* Turn on the clock */
lpc_scb.ssp1clkdiv = 1;
- /* De-assert reset */
+ /* Reset the device */
+ lpc_scb.presetctrl &= ~(1 << LPC_SCB_PRESETCTRL_SSP1_RST_N);
lpc_scb.presetctrl |= (1 << LPC_SCB_PRESETCTRL_SSP1_RST_N);
ao_spi_channel_init(1);
#endif /* HAS_SPI_1 */
lpc_scb.presetctrl |= (1 << LPC_SCB_PRESETCTRL_SSP1_RST_N);
ao_spi_channel_init(1);
#endif /* HAS_SPI_1 */