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busvoodoo: use LED for UART activity

This commit is contained in:
King Kévin 2018-01-24 21:29:22 +01:00
parent a91161981c
commit b875d88bd5
1 changed files with 4 additions and 1 deletions
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5
lib/busvoodoo_uart.c
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@ -144,7 +144,7 @@ static bool busvoodoo_uart_setup(char** prefix, const char* line)
}
if (BUSVOODOO_UART_SETTING_DRIVE==busvoodoo_uart_setting) { // if next setting
printf("p) push-pull (3.3V)\n");
printf("o) open-drain (set lV do desired voltage), with embedded pull-up (2kR)\n");
printf("o) open-drain (set lV do desired voltage), with embedded pull-up (2kO)\n");
snprintf(config, LENGTH(config), "drive mode (p,o) [%c]", busvoodoo_uart_drive); // show drive mode
*prefix = config; // display next setting
}
@ -214,6 +214,7 @@ static bool busvoodoo_uart_setup(char** prefix, const char* line)
printf("|xx xx RX 3V3 GND|\n");
printf("|xx xx TX lV 5V |\n");
printf("+----------------+\n");
led_off(); // disable LED because there is no activity
busvoodoo_uart_setting = BUSVOODOO_UART_SETTING_NONE; // restart settings next time
complete = true; // configuration is complete
*prefix = "UART"; // display mode
@ -250,6 +251,7 @@ static void busvoodoo_uart_command_transmit(void* argument)
uint16_t i=0;
while (((char*)(argument))[i]) { // go through word to send
usart_send_blocking(USART(BUSVOODOO_USART_ID), ((char*)(argument))[i++]); // send character
busvoodoo_led_red(100); // enable red LED to show transmission
}
}
@ -261,6 +263,7 @@ static void busvoodoo_uart_command_receive(void* argument)
(void)argument; // we won't use the argument
while (true) {
char c = usart_recv_blocking(USART(BUSVOODOO_USART_ID)); // receive character
busvoodoo_led_blue(100); // enable blue LED to show reception
printf("%c", c); // print received character
}
}