diff options
Diffstat (limited to 'driver_fw/main.c')
| -rw-r--r-- | driver_fw/main.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/driver_fw/main.c b/driver_fw/main.c index ee4a4ed..8551d83 100644 --- a/driver_fw/main.c +++ b/driver_fw/main.c @@ -1,6 +1,8 @@ #include "global.h" #include "serial.h" +#include "i2c.h" +#include "lcd1602.h" #include <8b10b.h> @@ -102,6 +104,15 @@ int main(void) { GPIOA->ODR = 0; /* Set PA4 ODR to 0 */ + GPIOA->OTYPER |= + GPIO_OTYPER_OT_1 + | GPIO_OTYPER_OT_2; + + // FIXME lag 37.3us @ 720 Ohm / 16.0us @ 360 Ohm / 2.8us @ 88 Ohm + GPIOA->OSPEEDR |= + (3<<GPIO_OSPEEDR_OSPEEDR1_Pos) + | (3<<GPIO_OSPEEDR_OSPEEDR2_Pos); + /* Note: since we have quite a bunch of pin constraints we can't actually use complementary outputs for the * complementary MOSFET driver control signals (CTRL_A & CTRL_B). Instead, we use two totally separate output * channels (1 & 4) and emulate the dead-time generator in software. */ @@ -112,7 +123,6 @@ int main(void) { serial_init(); /* FIXME ADC config */ - /* FIXME I2C config, drivers for LCD & current sensor */ /* SPI config. SPI1 is used to control the shift register controlling the eight status LEDs. */ SPI1->CR2 = (7<<SPI_CR2_DS_Pos); @@ -125,6 +135,16 @@ int main(void) { | SPI_CR1_MSTR; SPI1->CR1 |= SPI_CR1_SPE; + /* I2C for LCD, temp sensor, current sensor */ + i2c_config_filters(I2C1, I2C_AF_ENABLE, 0); + i2c_config_timing(I2C1, 0x2000090e); /* Magic value for 100kHz I2C @ 48MHz CLK. Fell out of STMCubeMX. I love + downloading 120MB of software to download another 100MB of software, only + this time over unsecured HTTP, to generate 3.5 bytes of configuration values + using a Java(TM) GUI. */ + i2c_enable(I2C1); + lcd1602_init(); + lcd_write_str(0, 0, "Hello World!"); + /* TIM3 is used to generate the MOSFET driver control signals */ /* TIM3 running off 48MHz APB1 clk, T=20.833ns */ TIM3->CR1 = 0; /* Disable ARR preload (double-buffering) */ |