From 5d29fe79d30f430ae326d9dc57ccfaed6fe61328 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Tue, 8 Mar 2016 16:10:33 +0100
Subject: Another full update of current work

---
 src/sensor_dht22.c | 117 -----------------------------------------------------
 1 file changed, 117 deletions(-)
 delete mode 100644 src/sensor_dht22.c

(limited to 'src/sensor_dht22.c')

diff --git a/src/sensor_dht22.c b/src/sensor_dht22.c
deleted file mode 100644
index 7791060..0000000
--- a/src/sensor_dht22.c
+++ /dev/null
@@ -1,117 +0,0 @@
-#include "../sensor_dht22.h"
-
-#ifdef CONFIG_IOE_SENSOR_DHT22
-
-#define PP dht22_ports[pi]
-#define PPP dht22_ports[dht22_measurement.pi]
-
-#define TIMEOUT F_CPU/40000
-
-#define STATUS_NONE 0
-#define STATUS_COMPLETE 1
-#define STATUS_TIMEOUT 2
-
-#define PORT_SENSORW 4
-#define PORT_SENSORRESP_L 3
-#define PORT_SENSORRESP_H 2
-#define PORT_H 1
-#define PORT_L 0
-
-struct {
-    uint8_t index;
-    uint8_t data[5];
-    volatile uint8_t status;
-    uint8_t pi;
-    uint8_t port_status;
-} dht22_measurement;
-
-inline void dht22_init(uint8_t pi) {
-    // Set port as output and set level hight
-    *(PP.DDR) |= PP.MASK;
-    *(PP.PORT) |= PP.MASK;
-    // Enable all pin change interrupts
-    PCIFR = 0xff;
-}
-
-
-inline void dht22_read_deac(uint8_t status) {
-    dht22_measurement.status = status;
-    // Disable pin change interrupt
-    *(PPP.PCMSK) &= ~PPP.PCMSK_MASK;
-    timer_disable(CONFIG_IOE_SENSOR_DHT22_TIMER);
-}
-
-// This is called from pcint.c
-void dht22_read_pcint(void) {
-    switch (dht22_measurement.port_status) {
-    case PORT_L:
-        if (!(*(PPP.PIN) & PPP.MASK))
-            return;
-        dht22_measurement.port_status = PORT_H;
-        break;
-    case PORT_H:
-        if (*(PPP.PIN) & PPP.MASK)
-            return;
-        dht22_measurement.port_status = PORT_L;
-        register uint16_t val;
-        val = timer_value(CONFIG_IOE_SENSOR_DHT22_TIMER);
-        // TODO compare value
-        if (val < 1) {
-            dht22_measurement.data[dht22_measurement.index / 8]
-        }
-        if (++(dht22_measurement.index) == 40) {
-            dht22_read_deac(STATUS_COMPLETE);
-            return;
-        }
-        break;
-    default:
-        if (((*(PPP.PIN) & PPP.MASK) && dht22_measurement.port_status == 3)
-            || !(*(PPP.PIN & PPP.MASK)))
-            return;
-        dht22_measurement.port_status--;
-    }
-    timer_reset(CONFIG_IOE_SENSOR_DHT22_TIMER);
-}
-
-void dht22_read_timer_overflow(void) {
-    dht22_read_deac(STATUS_TIMEOUT);
-}
-
-int8_t dht22_read(uint8_t pi, struct dht22_value *rh,
-                  struct dht22_value *t) {
-    dht22_measurement.index = 0;
-    dht22_measurement.status = STATUS_NONE;
-    dht22_measurement.pi = pi;
-    dht22_measurement.port_status = PORT_SENSORW;
-
-    // Pull port down for 500us
-    *(PP.PORT) &= ~PP.MASK;
-    _delay_us(500);
-    // Initialize timer
-    timer_init(CONFIG_IOE_SENSOR_DHT22_TIMER, TIMER_DIVIDER_64);
-    timer_sethook(CONFIG_IOE_SENSOR_DHT22_TIMER,
-                  dht22_read_timer_overflow);
-    // Set pin change interrupt
-    *(PP.PCMSK) |= PP.PCMSK_MASK;
-    // Set port as output and pull-up resistor
-    *(PP.DDR) &= ~PP.MASK;
-    *(PP.PORT) |= PP.MASK;
-    // Delay till reading is done
-    taskDelayTill(&(dht22_measurement.status));
-
-    // Copy data
-    rh->integral = dht22_measurement.data[0];
-    rh->decimal = dht22_measurement.data[1];
-    t->integral = dht22_measurement.data[2];
-    t->decimal = dht22_measurement.data[3];
-    // Check sum
-    uint8_t sum = dht22_measurement.data[0];
-    sum += dht22_measurement.data[1];
-    sum += dht22_measurement.data[2];
-    sum += dht22_measurement.data[3];
-    if (sum != dht22_measurement.data[4])
-        return 1;
-    return dht22_measurement.status - 1;
-}
-
-#endif /* CONFIG_IOE_SENSOR_SHT22 */
-- 
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