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Fix UART writeBuf and flush

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This commit is contained in:
me-no-dev 2016-10-06 16:31:28 +03:00
parent 03f5d62323
commit fb4f1333d2
1 changed files with 6 additions and 4 deletions
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10
cores/esp32/esp32-hal-uart.c
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@ -170,9 +170,11 @@ void uartWrite(uart_t* uart, uint8_t c)
void uartWriteBuf(uart_t* uart, const uint8_t * data, size_t len) void uartWriteBuf(uart_t* uart, const uint8_t * data, size_t len)
{ {
while(len && uart->dev->status.rxfifo_cnt < 0x7F) { while(len) {
uart->dev->fifo.rw_byte = *data++; while(len && uart->dev->status.txfifo_cnt < 0x7F) {
len--; uart->dev->fifo.rw_byte = *data++;
len--;
}
} }
} }
@ -189,8 +191,8 @@ void uartFlush(uart_t* uart)
} }
if(uart->txEnabled) { if(uart->txEnabled) {
tmp |= UART_TXFIFO_RST;
while(uart->dev->status.txfifo_cnt); while(uart->dev->status.txfifo_cnt);
tmp |= UART_TXFIFO_RST;
} }
uart->dev->conf0.val |= (tmp); uart->dev->conf0.val |= (tmp);