static struct lpc_ssp * const ao_lpc_ssp[LPC_NUM_SPI] = { &lpc_ssp0, &lpc_ssp1 };
-static uint8_t spi_dev_null;
-
#define tx_busy(lpc_ssp) (lpc_ssp->sr & ((1 << LPC_SSP_SR_BSY) | (1 << LPC_SSP_SR_TNF))) != (1 << LPC_SSP_SR_TNF)
#define rx_busy(lpc_ssp) (lpc_ssp->sr & ((1 << LPC_SSP_SR_BSY) | (1 << LPC_SSP_SR_RNE))) != (1 << LPC_SSP_SR_RNE)
/* recv a byte */ \
get lpc_ssp->dr; \
} \
- } while (0);
+ } while (0)
void
ao_spi_send(void *block, uint16_t len, uint8_t id)
#endif
#if SPI_MOSI1_P0_21
- lpc_ioconf.pio1_21 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO0_21_MOSI1);
+ lpc_ioconf.pio0_21 = ao_lpc_alternate(LPC_IOCONF_FUNC_PIO0_21_MOSI1);
#define HAS_MOSI1
#endif
#if SPI_MOSI1_P1_22
/* 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 */