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test 2x

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This commit is contained in:
Tester23 2025-09-13 22:49:15 +02:00
parent 1d003279f1
commit ff9d0d4fd4
1 changed files with 20 additions and 18 deletions
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38
src/driver/drv_dmx512.c
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@ -49,30 +49,32 @@ void DMX_Show() {
if (g_dmxBuffer == 0) {
return;
}
for (int i = 0; i < 2; i++) {
#if WINDOWS
// BREAK: pull TX low manually
HAL_PIN_Setup_Output(dmx_pin);
HAL_PIN_SetOutputValue(dmx_pin, 0);
HAL_Delay_us(120); // ≥88µs
HAL_PIN_SetOutputValue(dmx_pin, 1);
HAL_Delay_us(12); // MAB ≥8µs
// BREAK: pull TX low manually
HAL_PIN_Setup_Output(dmx_pin);
HAL_PIN_SetOutputValue(dmx_pin, 0);
HAL_Delay_us(120); // ≥88µs
HAL_PIN_SetOutputValue(dmx_pin, 1);
HAL_Delay_us(12); // MAB ≥8µs
#else
#define DMX_BREAK_DURATION_MICROS 88
uint32_t breakBaud = 1000000 * 8 / DMX_BREAK_DURATION_MICROS;
HAL_SetBaud(breakBaud);
HAL_UART_SendByte(0);
HAL_UART_Flush();
HAL_SetBaud(250000);
uint32_t breakBaud = 1000000 * 8 / DMX_BREAK_DURATION_MICROS;
HAL_SetBaud(breakBaud);
HAL_UART_SendByte(0);
HAL_UART_Flush();
HAL_SetBaud(250000);
#endif
//HAL_UART_Init(250000, 2, false);
// restore UART and send DMX data
for (int i = 0; i < DMX_BUFFER_SIZE; i++) {
HAL_UART_SendByte(g_dmxBuffer[i]);
//HAL_UART_Init(250000, 2, false);
// restore UART and send DMX data
for (int i = 0; i < DMX_BUFFER_SIZE; i++) {
HAL_UART_SendByte(g_dmxBuffer[i]);
}
//Serial485.begin(250000, SERIAL_8N2, RS485_RX_PIN, RS485_TX_PIN);
////Serial485.write(dmxBuffer, sizeof(dmxBuffer));
//Serial485.flush();
}
//Serial485.begin(250000, SERIAL_8N2, RS485_RX_PIN, RS485_TX_PIN);
////Serial485.write(dmxBuffer, sizeof(dmxBuffer));
//Serial485.flush();
}
byte DMX_GetByte(uint32_t idx) {