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Disable local echo, add ^E to toggle

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This commit is contained in:
Satoshi N. M 2018-01-13 14:12:08 -08:00
parent a6f3f87b97
commit 56f6172eea
2 changed files with 15 additions and 7 deletions
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12
src/cdcacm.c
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@ -192,6 +192,8 @@ void cdcacm_send_chunked_blocking(char *buf, int len, usbd_device *dev) {
extern char *process_serial_command(char b); extern char *process_serial_command(char b);
extern void *process_serial_input_byte(char b); extern void *process_serial_input_byte(char b);
bool local_echo = false;
static void usbuart_usb_out_cb(usbd_device *dev, uint8_t ep) static void usbuart_usb_out_cb(usbd_device *dev, uint8_t ep)
{ {
(void)ep; (void)ep;
@ -207,10 +209,12 @@ static void usbuart_usb_out_cb(usbd_device *dev, uint8_t ep)
for(int i = 0; i < len; i++) { for(int i = 0; i < len; i++) {
gpio_toggle(GPIOC, GPIO13); gpio_toggle(GPIOC, GPIO13);
// Echo back what was typed // If enabled, echo back what was typed
// Enter sends a CR, but an LF is needed to advance to next line if (local_echo) {
if (buf[i] == '\r') reply_buf[j++] = '\n'; // Enter sends a CR, but an LF is needed to advance to next line
reply_buf[j++] = buf[i]; if (buf[i] == '\r') reply_buf[j++] = '\n';
reply_buf[j++] = buf[i];
}
char *response = process_serial_command(buf[i]); char *response = process_serial_command(buf[i]);
if (response) { if (response) {

10
src/main.c
View File

@ -103,6 +103,7 @@ static void usb_reset()
paused = false; paused = false;
} }
extern bool local_echo;
char *process_serial_command(char b) { char *process_serial_command(char b) {
if (b == '\x16') { // ^V if (b == '\x16') { // ^V
return "Pill 6502 version " FIRMWARE_VERSION; return "Pill 6502 version " FIRMWARE_VERSION;
@ -113,12 +114,15 @@ char *process_serial_command(char b) {
reset6502(); reset6502();
paused = false; paused = false;
return "reset"; return "reset";
} else if (b == '\x14') { // T } else if (b == '\x05') { // ^E
local_echo = !local_echo;
return local_echo ? "local echo enabled" : "local echo disabled";
} else if (b == '\x14') { // ^T
static char buf[64]; static char buf[64];
snprintf(buf, sizeof(buf), "%ld ticks\r\n%ld instructions", clockticks6502, instructions); snprintf(buf, sizeof(buf), "%ld ticks\r\n%ld instructions", clockticks6502, instructions);
return buf; return buf;
} else if (b == '\x07') { // G } else if (b == '\x07') { // ^G
return "^V=version ^R=reset ^P=pause ^T=ticks ^G=help"; return "^V=version ^R=reset ^E=echo ^P=pause ^T=ticks ^G=help";
} }
return NULL; return NULL;