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Updated serial driver to use the new uart_regs.h

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This commit is contained in:
Johan Kanflo 2015-08-25 23:20:46 +02:00
parent b1c7dd503b
commit 4473eb7dbd
1 changed files with 12 additions and 11 deletions
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23
extras/serial-driver/serial_driver.c
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@ -23,8 +23,6 @@
*/
#include <esp8266.h>
#include <espressif/esp8266/esp8266.h>
#include <espressif/esp8266/uart_register.h>
#include <FreeRTOS.h>
#include <semphr.h>
@ -53,12 +51,12 @@ static void uart0_rx_init(void);
IRAM void uart0_rx_handler(void)
{
// TODO: Handle UART1, see reg 0x3ff20020, bit2, bit0 represents uart1 and uart0 respectively
if (UART_RXFIFO_FULL_INT_ST != (READ_PERI_REG(UART_INT_ST(UART0)) & UART_RXFIFO_FULL_INT_ST)) {
if (!UART(UART0).INT_STATUS & UART_INT_STATUS_RXFIFO_FULL) {
return;
}
WRITE_PERI_REG(UART_INT_CLR(UART0), UART_RXFIFO_FULL_INT_CLR);
while (READ_PERI_REG(UART_STATUS(UART0)) & (UART_RXFIFO_CNT << UART_RXFIFO_CNT_S)) {
char ch = READ_PERI_REG(UART_FIFO(UART0)) & 0xff;
UART(UART0).INT_CLEAR = UART_INT_CLEAR_RXFIFO_FULL;
while (UART(UART0).STATUS & (UART_STATUS_RXFIFO_COUNT_M << UART_STATUS_RXFIFO_COUNT_S)) {
char ch = UART(UART0).FIFO & (UART_FIFO_DATA_M << UART_FIFO_DATA_S);
uint8_t wr_next = (wr_pos+1) % UART0_RX_SIZE;
if (wr_next != rd_pos) {
rx_buf[wr_pos] = ch;
@ -105,15 +103,18 @@ static void uart0_rx_init(void)
_xt_isr_unmask(1 << INUM_UART);
//clear rx and tx fifo,not ready
SET_PERI_REG_MASK(UART_CONF0(UART0), UART_RXFIFO_RST | UART_TXFIFO_RST);
CLEAR_PERI_REG_MASK(UART_CONF0(UART0), UART_RXFIFO_RST | UART_TXFIFO_RST);
UART(UART0).CONF0 = UART_CONF0_RXFIFO_RESET | UART_CONF0_TXFIFO_RESET;
UART(UART0).CONF0 &= ~(UART_CONF0_RXFIFO_RESET | UART_CONF0_TXFIFO_RESET);
//set rx fifo trigger
WRITE_PERI_REG(UART_CONF1(UART0), (trig_lvl & UART_RXFIFO_FULL_THRHD) << UART_RXFIFO_FULL_THRHD_S);
UART(UART0).CONF1 &= ~(UART_CONF1_RXFIFO_FULL_THRESHOLD_M << UART_CONF1_RXFIFO_FULL_THRESHOLD_S);
UART(UART0).CONF1 |= (trig_lvl & UART_CONF1_RXFIFO_FULL_THRESHOLD_M) << UART_CONF1_RXFIFO_FULL_THRESHOLD_S;
//clear all interrupt
WRITE_PERI_REG(UART_INT_CLR(UART0), 0xffff);
UART(UART0).INT_CLEAR = 0x1ff;
//enable rx_interrupt
SET_PERI_REG_MASK(UART_INT_ENA(UART0), UART_RXFIFO_FULL_INT_ENA);
UART(UART0).INT_ENABLE = UART_INT_ENABLE_RXFIFO_FULL;
inited = true;
}