mordae/pico-sdr
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Use PWM PSU mode

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This commit is contained in:
Jan Hamal Dvořák 2024-02-27 09:35:03 +01:00
parent fbdc9b5f1c
commit f4f30ddb49
1 changed files with 7 additions and 0 deletions
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7
src/main.c
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@ -84,6 +84,8 @@ static int dma_ch_tx_cos = -1;
static queue_t iq_queue;
static int gap = 0;
#define PSU_PIN 23
static void bias_init(int in_pin, int out_pin)
{
gpio_disable_pulls(in_pin);
@ -1025,6 +1027,11 @@ int main()
clock_configure(clk_peri, 0, CLOCKS_CLK_PERI_CTRL_AUXSRC_VALUE_CLKSRC_PLL_SYS, CLK_SYS_HZ,
CLK_SYS_HZ);
/* Enable PSU PWM mode. */
gpio_init(PSU_PIN);
gpio_set_dir(PSU_PIN, GPIO_OUT);
gpio_put(PSU_PIN, 1);
bus_ctrl_hw->priority |= BUSCTRL_BUS_PRIORITY_DMA_W_BITS | BUSCTRL_BUS_PRIORITY_DMA_R_BITS;
stdio_usb_init();