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esp8266/esp_mphal: Add support for debug UART-only output.

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Helpful when debugging dupterm support (because otherwise all output is
spooled to dupterm too).

To use:

mp_printf(&mp_debug_print, "...");
This commit is contained in:
Paul Sokolovsky 2016-03-29 11:48:43 +03:00
parent 8fc5e56a6a
commit 402a743821
2 changed files with 26 additions and 0 deletions
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22
esp8266/esp_mphal.c
View File

@ -39,6 +39,9 @@ extern void ets_wdt_disable(void);
extern void wdt_feed(void);
extern void ets_delay_us();
void mp_hal_debug_tx_strn_cooked(void *env, const char *str, uint32_t len);
const mp_print_t mp_debug_print = {NULL, mp_hal_debug_tx_strn_cooked};
void mp_hal_init(void) {
ets_wdt_disable(); // it's a pain while developing
mp_hal_rtc_init();
@ -74,6 +77,15 @@ void mp_hal_stdout_tx_char(char c) {
mp_uos_dupterm_tx_strn(&c, 1);
}
#if 0
void mp_hal_debug_str(const char *str) {
while (*str) {
uart_tx_one_char(UART0, *str++);
}
uart_flush(UART0);
}
#endif
void mp_hal_stdout_tx_str(const char *str) {
while (*str) {
mp_hal_stdout_tx_char(*str++);
@ -95,6 +107,16 @@ void mp_hal_stdout_tx_strn_cooked(const char *str, uint32_t len) {
}
}
void mp_hal_debug_tx_strn_cooked(void *env, const char *str, uint32_t len) {
(void)env;
while (len--) {
if (*str == '\n') {
uart_tx_one_char(UART0, '\r');
}
uart_tx_one_char(UART0, *str++);
}
}
uint32_t mp_hal_ticks_ms(void) {
return system_get_time() / 1000;
}

4
esp8266/esp_mphal.h
View File

@ -27,6 +27,10 @@
#ifndef _INCLUDED_MPHAL_H_
#define _INCLUDED_MPHAL_H_
struct _mp_print_t;
// Structure for UART-only output via mp_printf()
extern const struct _mp_print_t mp_debug_print;
void mp_hal_init(void);
void mp_hal_rtc_init(void);
void mp_hal_feed_watchdog(void);