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-rw-r--r--ports/esp8266/esppwm.c2
-rw-r--r--ports/esp8266/hspi_register.h2
-rw-r--r--ports/esp8266/uart.c4
3 files changed, 4 insertions, 4 deletions
diff --git a/ports/esp8266/esppwm.c b/ports/esp8266/esppwm.c
index 3b705fb94..d7ac44a17 100644
--- a/ports/esp8266/esppwm.c
+++ b/ports/esp8266/esppwm.c
@@ -165,7 +165,7 @@ pwm_start(void) {
}
}
PWM_DBG("2channel:%d,single[0]:%d,[1]:%d,[2]:%d,[3]:%d\n", *local_channel, local_single[0].h_time, local_single[1].h_time, local_single[2].h_time, local_single[3].h_time);
- // step 4: cacl delt time
+ // step 4: calc delta time
for (i = *local_channel - 1; i > 0; i--) {
local_single[i].h_time -= local_single[i - 1].h_time;
}
diff --git a/ports/esp8266/hspi_register.h b/ports/esp8266/hspi_register.h
index 50ef2fdca..0d0cf2f74 100644
--- a/ports/esp8266/hspi_register.h
+++ b/ports/esp8266/hspi_register.h
@@ -79,7 +79,7 @@
#define SPI_MOSI_DELAY_NUM 0x00000007
#define SPI_MOSI_DELAY_NUM_S 23
#define SPI_MOSI_DELAY_MODE 0x00000003 //mode 0 : posedge; data set at positive edge of clk
- //mode 1 : negedge + 1 cycle delay, only if freq<10MHz ; data set at negitive edge of clk
+ //mode 1 : negedge + 1 cycle delay, only if freq<10MHz ; data set at negative edge of clk
//mode 2 : Do not use this mode.
#define SPI_MOSI_DELAY_MODE_S 21
#define SPI_MISO_DELAY_NUM 0x00000007
diff --git a/ports/esp8266/uart.c b/ports/esp8266/uart.c
index 117cd1bf6..f761ecfd7 100644
--- a/ports/esp8266/uart.c
+++ b/ports/esp8266/uart.c
@@ -3,7 +3,7 @@
*
* FileName: uart.c
*
- * Description: Two UART mode configration and interrupt handler.
+ * Description: Two UART mode configuration and interrupt handler.
* Check your hardware connection while use this mode.
*
* Modification history:
@@ -164,7 +164,7 @@ uart_os_config(int uart) {
*******************************************************************************/
static void uart0_rx_intr_handler(void *para) {
- /* uart0 and uart1 intr combine togther, when interrupt occur, see reg 0x3ff20020, bit2, bit0 represents
+ /* uart0 and uart1 intr combine together, when interrupt occur, see reg 0x3ff20020, bit2, bit0 represents
* uart1 and uart0 respectively
*/