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subsys: console: Fix signed vs unsigned char issues.

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May lead to warnings/errors with pedantic compilers (like LLVM).

Jira: ZEP-2170

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
This commit is contained in:
Paul Sokolovsky 2017-05-22 14:46:13 +03:00 • committed by Kumar Gala
commit 6b5a7238b2
1 changed files with 2 additions and 2 deletions
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4
subsys/console/getchar.c
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@ -36,7 +36,7 @@ static void uart_isr(struct device *dev)
uart_irq_update(dev);
if (uart_irq_rx_ready(dev)) {
char c;
u8_t c;
while (1) {
if (uart_fifo_read(dev, &c, 1) == 0) {
@ -89,7 +89,7 @@ int console_putchar(char c)
return -1;
}
tx_ringbuf[tx_put] = c;
tx_ringbuf[tx_put] = (u8_t)c;
tx_put = tx_next;
irq_unlock(key);