Added timeout wait functions to core

This commit is contained in:
Ea-r-th
2025-09-17 20:07:17 -07:00
parent 75132eb040
commit 8ce717033a
4 changed files with 77 additions and 31 deletions

View File

@@ -3,8 +3,40 @@
void c3Interrupt(){
PIN(A5).toggle();
SHAL_UART2.sendString("New test");
SHAL_UART2.sendString("Begin\r\n");
uint8_t cmd[3] = {0xAC, 0x33, 0x00};
SHAL_I2C1.masterWrite(0x38, cmd, 3);
SHAL_UART2.sendString("Hello\r\n");
SHAL_delay_ms(100);
uint8_t buffer[7] = {0};
SHAL_UART2.sendString("Buffer created?\r\n");
//Read 7 bytes (status + 5 data + CRC)
SHAL_I2C1.masterRead(0x38, buffer, 7);
SHAL_UART2.sendString("Read complete\r\n");
//Parse humidity (20 bits)
uint32_t rawHumidity = ((uint32_t)buffer[1] << 12) |
((uint32_t)buffer[2] << 4) |
((uint32_t)buffer[3] >> 4);
// Parse temperature (20 bits)
uint32_t rawTemp = (((uint32_t)buffer[3] & 0x0F) << 16) |
((uint32_t)buffer[4] << 8) |
((uint32_t)buffer[5]);
float humidity = (rawHumidity * 100.0f) / 1048576.0f; // 2^20 = 1048576
float temperature = (rawTemp * 200.0f) / 1048576.0f - 50.0f;
char buf[64];
sprintf(buf, "Temp: %.2f C, Hum: %.2f %%\r\n", temperature, humidity);
SHAL_UART2.sendString(buf);
}
void tim2Handler(){
@@ -32,25 +64,18 @@ int main() {
PIN(A4).setPinMode(PinMode::OUTPUT_MODE);
PIN(A5).setPinMode(PinMode::OUTPUT_MODE);
//Temporary setup for DHT20
PIN(A5).setLow();
SHAL_delay_ms(5000); //Wait 100 ms from datasheet
SHAL_delay_ms(3000); //Wait 100 ms from datasheet
PIN(A5).setHigh();
uint8_t cmd = 0x71;
uint8_t status = 0;
uint8_t initByte[1] = {0x71};
SHAL_I2C1.masterWriteRead(0x38, &cmd, 1, &status, 1);
uint8_t status = SHAL_I2C1.masterWriteReadByte(0xEE,initByte,1);
if ((status & 0x18) != 0x18) {
SHAL_UART2.sendString("DHT ready");
} else {
SHAL_UART2.sendString("DHT broke");
}
PIN(A5).setLow();
char statusString[32];
sprintf(statusString, "Status = 0x%02X\r\n", status);
SHAL_UART2.sendString(statusString);
//End setup