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cpu/cc26xx_cc13xx: use generic hw fc module

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This commit is contained in:
Dylan Laduranty 2020-03-10 14:19:40 +01:00
parent 6baf501a3d
commit 8e2227b18b
2 changed files with 10 additions and 7 deletions
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3
cpu/cc26xx_cc13xx/include/periph_cpu_common.h
View File

@ -119,9 +119,10 @@ typedef struct {
uart_regs_t *regs;
int tx_pin;
int rx_pin;
#ifdef MODULE_PERIPH_UART_HW_FC
int rts_pin;
int cts_pin;
int flow_control;
#endif
int intn;
} uart_conf_t;
/** @} */

14
cpu/cc26xx_cc13xx/periph/uart.c
View File

@ -33,7 +33,7 @@
/**
* @brief Get the enable mask depending on enabled HW flow control
*/
#if UART_HW_FLOW_CONTROL
#ifdef MODULE_PERIPH_UART_HW_FC
#define ENABLE_MASK (UART_CTSEN | UART_CTL_RTSEN | \
UART_CTL_RXE | UART_CTL_TXE | UART_CTL_UARTEN)
#else
@ -53,10 +53,10 @@ int uart_init(uart_t uart, uint32_t baudrate, uart_rx_cb_t rx_cb, void *arg)
int tx_pin = uart_config[uart].tx_pin;
int rx_pin = uart_config[uart].rx_pin;
int intn = uart_config[uart].intn;
int flow = uart_config[uart].flow_control;
#ifdef MODULE_PERIPH_UART_HW_FC
int rts_pin = uart_config[uart].rts_pin;
int cts_pin = uart_config[uart].cts_pin;
#endif
/* enable clocks: serial power domain and UART */
PRCM->PDCTL0SERIAL = 1;
while (!(PRCM->PDSTAT0 & PDSTAT0_SERIAL_ON)) ;
@ -72,10 +72,12 @@ int uart_init(uart_t uart, uint32_t baudrate, uart_rx_cb_t rx_cb, void *arg)
/* configure pins */
IOC->CFG[tx_pin] = IOCFG_PORTID_UART0_TX;
IOC->CFG[rx_pin] = (IOCFG_PORTID_UART0_RX | IOCFG_INPUT_ENABLE);
if (flow == 1) {
IOC->CFG[rts_pin] = IOCFG_PORTID_UART0_RTS;
IOC->CFG[cts_pin] = (IOCFG_PORTID_UART0_CTS | IOCFG_INPUT_ENABLE);
#ifdef MODULE_PERIPH_UART_HW_FC
if (rts_pin != GPIO_UNDEF && cts_pin != GPIO_UNDEF) {
IOC->CFG[rts_pin] = IOCFG_PORTID_UART0_RTS;
IOC->CFG[cts_pin] = (IOCFG_PORTID_UART0_CTS | IOCFG_INPUT_ENABLE);
}
#endif
/* calculate baud-rate */
uint32_t tmp = (CLOCK_CORECLOCK * 4);