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esp8266/machine_uart: Add rxbuf keyword arg to UART constructor/init.

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As per the machine.UART documentation, this is used to set the length of
the UART RX buffer.
This commit is contained in:
Damien George
2018-12-05 23:31:24 +11:00
parent 9ddc182ec7
commit 52bec93755
4 changed files with 39 additions and 4 deletions
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15
ports/esp8266/uart.c
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@@ -36,7 +36,7 @@ static os_event_t uart_evt_queue[16];
// A small, static ring buffer for incoming chars
// This will only be populated if the UART is not attached to dupterm
static byte uart_ringbuf_array[16];
uint8 uart_ringbuf_array[UART0_STATIC_RXBUF_LEN];
static ringbuf_t uart_ringbuf = {uart_ringbuf_array, sizeof(uart_ringbuf_array), 0, 0};
static void uart0_rx_intr_handler(void *para);
@@ -269,6 +269,19 @@ void ICACHE_FLASH_ATTR uart_setup(uint8 uart) {
ETS_UART_INTR_ENABLE();
}
int ICACHE_FLASH_ATTR uart0_get_rxbuf_len(void) {
return uart_ringbuf.size;
}
void ICACHE_FLASH_ATTR uart0_set_rxbuf(uint8 *buf, int len) {
ETS_UART_INTR_DISABLE();
uart_ringbuf.buf = buf;
uart_ringbuf.size = len;
uart_ringbuf.iget = 0;
uart_ringbuf.iput = 0;
ETS_UART_INTR_ENABLE();
}
// Task-based UART interface
#include "py/obj.h"