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Merge pull request #2259 from arurke/cc26xxcc13xx_uart_optional_txrx_support

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CC26xx/CC13xx: Support uni-directional UART
This commit is contained in:
George Oikonomou 2017-07-23 14:06:50 +01:00 committed by GitHub
commit 719f712307
1 changed files with 16 additions and 6 deletions
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22
cpu/cc26xx-cc13xx/dev/cc26xx-uart.c
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@ -65,10 +65,20 @@
static int (*input_handler)(unsigned char c); static int (*input_handler)(unsigned char c);
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static bool static bool
usable(void) usable_rx(void)
{ {
if(BOARD_IOID_UART_RX == IOID_UNUSED || if(BOARD_IOID_UART_RX == IOID_UNUSED ||
BOARD_IOID_UART_TX == IOID_UNUSED || CC26XX_UART_CONF_ENABLE == 0) {
return false;
}
return true;
}
/*---------------------------------------------------------------------------*/
static bool
usable_tx(void)
{
if(BOARD_IOID_UART_TX == IOID_UNUSED ||
CC26XX_UART_CONF_ENABLE == 0) { CC26XX_UART_CONF_ENABLE == 0) {
return false; return false;
} }
@ -271,7 +281,7 @@ cc26xx_uart_init()
bool interrupts_disabled; bool interrupts_disabled;
/* Return early if disabled by user conf or if ports are misconfigured */ /* Return early if disabled by user conf or if ports are misconfigured */
if(usable() == false) { if(!usable_rx() && !usable_tx()) {
return; return;
} }
@ -299,7 +309,7 @@ void
cc26xx_uart_write_byte(uint8_t c) cc26xx_uart_write_byte(uint8_t c)
{ {
/* Return early if disabled by user conf or if ports are misconfigured */ /* Return early if disabled by user conf or if ports are misconfigured */
if(usable() == false) { if(usable_tx() == false) {
return; return;
} }
@ -316,7 +326,7 @@ cc26xx_uart_set_input(int (*input)(unsigned char c))
input_handler = input; input_handler = input;
/* Return early if disabled by user conf or if ports are misconfigured */ /* Return early if disabled by user conf or if ports are misconfigured */
if(usable() == false) { if(usable_rx() == false) {
return; return;
} }
@ -348,7 +358,7 @@ uint8_t
cc26xx_uart_busy(void) cc26xx_uart_busy(void)
{ {
/* Return early if disabled by user conf or if ports are misconfigured */ /* Return early if disabled by user conf or if ports are misconfigured */
if(usable() == false) { if(usable_tx() == false) {
return UART_IDLE; return UART_IDLE;
} }