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| author | jaseg <git@jaseg.de> | 2022-05-08 16:36:25 +0200 |
|---|---|---|
| committer | jaseg <git@jaseg.de> | 2022-05-08 16:36:25 +0200 |
| commit | 2e7724b9607223d84f2314c9d21cbd1111e017ec (patch) | |
| tree | 9674cba7aafaf29d43385fc27253b9eaa1efd4cc /driver_fw/main.c | |
| parent | f21e9797a28b6f4eb84f6c3a74d3b64817abc42a (diff) | |
| download | 8seg-2e7724b9607223d84f2314c9d21cbd1111e017ec.tar.gz 8seg-2e7724b9607223d84f2314c9d21cbd1111e017ec.tar.bz2 8seg-2e7724b9607223d84f2314c9d21cbd1111e017ec.zip | |
WIP
Diffstat (limited to 'driver_fw/main.c')
| -rw-r--r-- | driver_fw/main.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/driver_fw/main.c b/driver_fw/main.c index 5123237..f02c177 100644 --- a/driver_fw/main.c +++ b/driver_fw/main.c @@ -96,6 +96,8 @@ static int flipbits10(int in) { } +uint8_t spinner = 0; /* FIXME DEBUG */ + int main(void) { /* Startup code */ RCC->CR |= RCC_CR_HSEON; @@ -220,6 +222,7 @@ int main(void) { while (42) { if (sys_flag_1Hz) { /* Update display every second */ sys_flag_1Hz = 0; + spinner = ~spinner; char buf[17]; int temp = mcp9801_read_mdegC(); @@ -252,8 +255,9 @@ int hamming_weight(int i) { void TIM3_IRQHandler() { static int txpos = -1; static unsigned int tx_start_tick = 0; - static uint8_t txbuf[2] = {0x04, 0x05}; + static uint8_t txbuf[3] = {0x05, 0x01, 0}; static int backchannel_counter = 0; + txbuf[2] = spinner; TIM3->SR &= ~TIM_SR_UIF; int sym = txstate.current_symbol; @@ -294,7 +298,7 @@ void TIM3_IRQHandler() { txstate.current_symbol = sym; /* FIXME factor out into header, or even make configurable */ -#define DEAD_TIME 100 +#define DEAD_TIME 1 /* Set both CCRs to values for opposing polarities. The dead time is always inserted at the beginning of the timer * cycle due to the way the capture/compare unit PWM machinery works. By setting the CCR to 0xffff we make sure the * output is never turned on, since 0xffff is larger than the ARR/counter top value. |