altos/lpc: Add casts to reduce -Wconversion warnings
[fw/altos] / src / lpc / ao_spi_lpc.c
index f091c89c570963542f602c0e7f6d8957116895d4..ec48e95c386eeec40a1f90b936606aa22193fede 100644 (file)
@@ -3,7 +3,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -29,7 +30,7 @@ static struct lpc_ssp * const ao_lpc_ssp[LPC_NUM_SPI] = { &lpc_ssp0, &lpc_ssp1 }
                        while ((lpc_ssp->sr & (1 << LPC_SSP_SR_RNE)) == 0) \
                                ;                                       \
                        /* receive a byte */                            \
-                       get lpc_ssp->dr;                                \
+                       get (uint8_t) lpc_ssp->dr;                      \
                }                                                       \
                /* Wait for the SSP to go idle (it already should be) */ \
                while (lpc_ssp->sr & (1 << LPC_SSP_SR_BSY));            \
@@ -146,7 +147,7 @@ ao_spi_init(void)
        lpc_scb.ssp0clkdiv = 1;
 
        /* Reset the device */
-       lpc_scb.presetctrl &= ~(1 << LPC_SCB_PRESETCTRL_SSP0_RST_N);
+       lpc_scb.presetctrl &= ~(1UL << LPC_SCB_PRESETCTRL_SSP0_RST_N);
        lpc_scb.presetctrl |= (1 << LPC_SCB_PRESETCTRL_SSP0_RST_N);
        ao_spi_channel_init(0);
 #endif
@@ -196,7 +197,7 @@ ao_spi_init(void)
        lpc_scb.ssp1clkdiv = 1;
 
        /* Reset the device */
-       lpc_scb.presetctrl &= ~(1 << LPC_SCB_PRESETCTRL_SSP1_RST_N);
+       lpc_scb.presetctrl &= ~(1UL << 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 */