merged Emisar D4v2 branch, or at least a sanitized version of it

1 files changed, 100 insertions, 0 deletions

diff --git a/hwdef-Emisar_D4v2.h b/hwdef-Emisar_D4v2.h
new file mode 100644
index 0000000..0460fad
--- /dev/null
+++ b/hwdef-Emisar_D4v2.h
@@ -0,0 +1,100 @@
+#ifndef HWDEF_EMISAR_D4V2_H
+#define HWDEF_EMISAR_D4V2_H
+
+/* Emisar D4v2 driver layout (attiny1634)
+ *
+ * Pin / Name / Function
+ *   1    PA6   FET PWM (PWM1B)
+ *   2    PA5   red aux LED (PWM0B)
+ *   3    PA4   green aux LED
+ *   4    PA3   blue aux LED
+ *   5    PA2   e-switch
+ *   6    PA1   (none)
+ *   7    PA0   (none)
+ *   8    GND   GND
+ *   9    VCC   VCC
+ *  10    PC5   (none)
+ *  11    PC4   (none)
+ *  12    PC3   RESET
+ *  13    PC2   (none)
+ *  14    PC1   SCK
+ *  15    PC0   (none) PWM0A
+ *  16    PB3   7135 PWM (PWM1A)
+ *  17    PB2   MISO
+ *  18    PB1   MOSI
+ *  19    PB0   (none)
+ *  20    PA7   (none)
+ *      ADC12   thermal sensor
+ */
+
+#ifdef ATTINY
+#undef ATTINY
+#endif
+#define ATTINY 1634
+#include <avr/io.h>
+
+#define PWM_CHANNELS 2
+
+#define SWITCH_PIN   PA2    // pin 5
+#define SWITCH_PCINT PCINT2 // pin 5 pin change interrupt
+#define SWITCH_PCIE  PCIE0  // PCIE0 is for PCINT[7:0]
+#define SWITCH_PCMSK PCMSK0 // PCMSK0 is for PCINT[7:0]
+#define SWITCH_PORT  PINA   // PINA or PINB or PINC
+
+#define PWM1_PIN PB3        // pin 16, 1x7135 PWM
+#define PWM1_LVL OCR1A      // OCR1A is the output compare register for PB3
+
+#define PWM2_PIN PA6        // pin 1, FET PWM
+#define PWM2_LVL OCR1B      // OCR1B is the output compare register for PB1
+
+
+#define ADC_PRSCL   0x06    // clk/64
+
+// average drop across diode on this hardware
+#ifndef VOLTAGE_FUDGE_FACTOR
+#define VOLTAGE_FUDGE_FACTOR 4  // add 0.20V  (measured 0.22V)
+#endif
+
+#define TEMP_CHANNEL 0b00001111
+
+// this light has aux LEDs under the optic
+#define AUXLED_R_PIN   PA5    // pin 2
+#define AUXLED_G_PIN   PA4    // pin 3
+#define AUXLED_B_PIN   PA3    // pin 4
+#define AUXLED_RGB_PORT PORTA // PORTA or PORTB or PORTC
+#define AUXLED_RGB_DDR DDRA   // DDRA or DDRB or DDRC
+#define AUXLED_RGB_PUE PUEA   // PUEA or PUEB or PUEC
+
+// with so many pins, doing this all with #ifdefs gets awkward...
+// ... so just hardcode it in each hwdef file instead
+inline void hwdef_setup() {
+  // enable output ports
+  // 7135
+  DDRB = (1 << PWM1_PIN);
+  // FET, aux R/G/B
+  DDRA = (1 << PWM2_PIN)
+       | (1 << AUXLED_R_PIN)
+       | (1 << AUXLED_G_PIN)
+       | (1 << AUXLED_B_PIN)
+       ;
+
+  // configure PWM
+  // Setup PWM. F_pwm = F_clkio / 2 / N / TOP, where N = prescale factor, TOP = top of counter
+  // pre-scale for timer: N = 1
+  TCCR1A  = (0<<WGM11)  | (1<<WGM10)   // 8-bit (TOP=0xFF) (DS table 12-5)
+          | (1<<COM1A1) | (0<<COM1A0)  // PWM 1A in normal direction (DS table 12-4)
+          | (1<<COM1B1) | (0<<COM1B0)  // PWM 1B in normal direction (DS table 12-4)
+          ;
+  TCCR1B  = (0<<CS12)   | (0<<CS11) | (1<<CS10)  // clk/1 (no prescaling) (DS table 12-6)
+          | (0<<WGM13)  | (0<<WGM12)  // phase-correct PWM (DS table 12-5)
+          ;
+
+  // set up e-switch
+  //PORTA = (1 << SWITCH_PIN);  // TODO: configure PORTA / PORTB / PORTC?
+  PUEA = (1 << SWITCH_PIN);  // pull-up for e-switch
+  SWITCH_PCMSK = (1 << SWITCH_PCINT);  // enable pin change interrupt
+}
+
+#define LAYOUT_DEFINED
+
+#endif