diff options
Diffstat (limited to 'hw/thefreeman/avr32dd20-devkit/hwdef.c')
| -rw-r--r-- | hw/thefreeman/avr32dd20-devkit/hwdef.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/thefreeman/avr32dd20-devkit/hwdef.c b/hw/thefreeman/avr32dd20-devkit/hwdef.c index 3e5dd79..460082f 100644 --- a/hw/thefreeman/avr32dd20-devkit/hwdef.c +++ b/hw/thefreeman/avr32dd20-devkit/hwdef.c @@ -30,6 +30,11 @@ void set_level_zero() { delay_4ms(IN_NFET_DELAY_TIME/4); IN_NFET_ENABLE_PORT &= ~(1 << IN_NFET_ENABLE_PIN); + #ifdef USE_BST_BYPASS + // turn off bypass + BST_BYPASS_PORT |= (1 << BST_BYPASS_PIN); + #endif + // turn off boost last BST_ENABLE_PORT &= ~(1 << BST_ENABLE_PIN); // BST off } @@ -48,6 +53,14 @@ void set_level_main(uint8_t level) { // BST on first, to give it a few extra microseconds to spin up BST_ENABLE_PORT |= (1 << BST_ENABLE_PIN); + #ifdef USE_BST_BYPASS + // turn on bypass in li-ion mode + if (voltage > DUAL_VOLTAGE_FLOOR) + BST_BYPASS_PORT &= ~(1 << BST_BYPASS_PIN); // low = bypass + else // turn off bypass in AA/NiMH mode + BST_BYPASS_PORT |= (1 << BST_BYPASS_PIN); // high = boost + #endif + // pre-load ramp data so it can be assigned faster later // DAC level register is left-aligned PWM1_DATATYPE dac_lvl = PWM1_GET(level) << 6; |