esp8266/esp_mphal: Add support for debug UART-only output.
Helpful when debugging dupterm support (because otherwise all output is
spooled to dupterm too).
To use:
mp_printf(&mp_debug_print, "...");
diff --git a/esp8266/esp_mphal.c b/esp8266/esp_mphal.c
index 6a4b2f5..3681a02 100644
--- a/esp8266/esp_mphal.c
+++ b/esp8266/esp_mphal.c
@@ -39,6 +39,9 @@
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 @@
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_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;
}