-static uint16_t pwm_vals[N_PWMLEDS*N_PWMLED_MODES];
-static uint16_t pwm_max[N_PWMLEDS] = { 0x70, 0x70, 0xF0 };
-static uint16_t adc_max[N_PWMLEDS] = { 0x70, 0x70, 0xF0 };
-static uint16_t adc_vals[N_PWMLEDS*N_PWMLED_MODES] = {
- /* pwmled0 */
- 0x04, 0x14, 0x24, 0x38,
- /* pwmled1 */
- 0x04, 0x14, 0x24, 0x38,
- /* pwmled2 */
- 0x0c, 0x24, 0x48, 0x90,
+typedef struct {
+ uint16_t target, pwm;
+ int16_t err_sum;
+ unsigned char mode, state;
+ union {
+ unsigned char probe_steady, mode_changed;
+ };
+ uint16_t mode_pwm[N_PWMLED_MODES];
+ int16_t err_sums[N_PWMLED_MODES];
+} pwmled_t;
+
+pwmled_t pwmleds[N_PWMLEDS];
+
+#define PWMLED2_TESTING_WITH_350MA_LED
+
+#define SENSE_MOHM 33 /* 0.033 Ohm */
+/*
+ * Voltage in uV at ADC reading == 1 is 1100/gain/1024
+ * ADC module returns sum of 1 << PWMLED_ADC_SHIFT measurements
+ * Voltage in uV measured is current in mA * sense resistance in mOhm
+ */
+#define MA_GAIN_TO_ADC(ma, gain) ((uint16_t) \
+ ((uint32_t)(ma) \
+ * (SENSE_MOHM) \
+ * (1 << (PWMLED_ADC_SHIFT)) \
+ * 1024 \
+ / (1100000/(gain))))
+
+static uint16_t adc_max[N_PWMLEDS] = {
+#ifdef TESTING_FW
+ MA_GAIN_TO_ADC( 400, 20),
+ MA_GAIN_TO_ADC( 30, 20),
+ MA_GAIN_TO_ADC( 800, 1)
+#else
+ MA_GAIN_TO_ADC( 900, 20),
+ MA_GAIN_TO_ADC( 30, 20),
+ MA_GAIN_TO_ADC(2500, 1)
+#endif