Cool_Tools/exa-io
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This commit is contained in:
Thomas Daede 2021-04-21 16:38:41 -07:00
parent 7ef41a64d7
commit d2af37b436
1 changed files with 4 additions and 3 deletions
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7
firmware/td-io.c
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@ -12,9 +12,9 @@ const uint PIN_JVS_SENSE_0V = 13;
const uint PIN_JVS_TERMINATION = 15;
const uint PIN_JVS_SENSE_IN = 26;
const uint PIN_SR_DATA = 6;
const uint PIN_SR_CLK = 5;
const uint PIN_SR_SH = 4;
const uint PIN_SR_DATA = 20;
const uint PIN_SR_CLK = 18;
const uint PIN_SR_SH = 21;
const uint PIN_METER1 = 8;
const uint PIN_METER2 = 7;
@ -117,6 +117,7 @@ void jvs_putc(uint8_t c) {
void start_transmit() {
gpio_put(PIN_JVS_RE, 1); // disable receive
busy_wait_us_32(200); // 200us min for exa compat
gpio_put(PIN_JVS_DE, 1); // enable transmitter
}