ADD: enable UART1 RTS output on PA15

r2axz · Jun 11, 2021 · 7c924c6 · 7c924c6
1 parent ff84936
commit 7c924c6
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/README.md b/README.md
@@ -68,7 +68,7 @@ or damage may occur.**
 |:-------|:-------------:|:--------------|:--------------|:--------------|
 |   RX   |      IN       |    **PA10**   |      PA3      |    **PB11**   |
 |   TX   |      OUT      |      PA9      |      PA2      |      PB10     |
-|   RTS  |      OUT      |      N/A      |      PA1      |      PB14     |
+|   RTS  |      OUT      |    **PA15**   |      PA1      |      PB14     |
 |   CTS  |      IN       |      N/A      |      PA0      |    **PB13**   |
 |   DSR  |      IN       |    **PB7**    |    **PB4**    |    **PB6**    |
 |   DTR  |      OUT      |      PA4      |      PA5      |      PA6      |

diff --git a/device_config.c b/device_config.c
@@ -27,7 +27,7 @@ static const device_config_t default_device_config = {
                 {
                     /*  rx */ { .port = GPIOA, .pin = 10, .dir = gpio_dir_input,  .pull = gpio_pull_up, .polarity = gpio_polarity_high },
                     /*  tx */ { .port = GPIOA, .pin =  9, .dir = gpio_dir_output, .speed = gpio_speed_medium, .func = gpio_func_alternate, .output = gpio_output_pp, .polarity = gpio_polarity_high },
-                    /* rts */ { .port = 0 }, /* No RTS due to the below reason  */
+                    /* rts */ { .port = GPIOA, .pin =  15, .dir = gpio_dir_output, .speed = gpio_speed_medium, .func = gpio_func_general, .output = gpio_output_pp, .polarity = gpio_polarity_low},
                     /* cts */ { .port = 0 }, /* CTS pin is occupied by USB      */
                     /* dsr */ { .port = GPIOB, .pin =  7, .dir = gpio_dir_input,  .pull = gpio_pull_up, .polarity = gpio_polarity_low },
                     /* dtr */ { .port = GPIOA, .pin =  4, .dir = gpio_dir_output, .speed = gpio_speed_medium, .func = gpio_func_general, .output = gpio_output_pp, .polarity = gpio_polarity_low  },

diff --git a/usb_cdc.c b/usb_cdc.c
@@ -210,7 +210,7 @@ static void usb_cdc_set_port_dtr(int port, int dtr_active) {
 }
 
 static void usb_cdc_update_port_rts(int port) {
-    if ((port < USB_CDC_NUM_PORTS) && (port != 0)) {
+    if ((port < USB_CDC_NUM_PORTS)) {
         const gpio_pin_t *rts_pin = &device_config_get()->cdc_config.port_config[port].pins[cdc_pin_rts];
         usb_cdc_state_t *cdc_state = &usb_cdc_states[port];
         circ_buf_t *rx_buf = &cdc_state->rx_buf;