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set UART function without clobbering the entire func_sel register.

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Mariano Alvira 2011-05-14 21:14:43 -04:00
parent 20bb355edd
commit e9ddca37e2
1 changed files with 4 additions and 1 deletions
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5
src/default_lowlevel.c
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@ -65,7 +65,10 @@ void uart1_init(uint16_t inc, uint16_t mod, uint8_t samp) {
*UART1_UCON = (1 << 0) | (1 << 1); /* enable receive, transmit */
if(samp == UCON_SAMP_16X)
set_bit(*UART1_UCON,UCON_SAMP);
*GPIO_FUNC_SEL0 = ( (0x01 << (14*2)) | (0x01 << (15*2)) ); /* set GPIO15-14 to UART (UART1 TX and RX)*/
/* set GPIO15-14 to UART (UART1 TX and RX)*/
GPIO->FUNC_SEL.GPIO_14 = 1;
GPIO->FUNC_SEL.GPIO_15 = 1;
/* interrupt when there are this number or more bytes free in the TX buffer*/
*UART1_UTXCON = 16;