Mark code sections to be left alone by clang-format.

firmware/common/cpld_xc2c.c

@@ -26,6 +26,7 @@
 #include <stddef.h>
 #include <string.h>
 
+// clang-format off
 typedef enum {
 	CPLD_XC2C_IR_INTEST           = 0b00000010,
 	CPLD_XC2C_IR_BYPASS           = 0b11111111,
@@ -52,6 +53,7 @@ typedef enum {
 	CPLD_XC2C_IR_STCTEST          = 0b00010110,
 	CPLD_XC2C_IR_ISC_NOOP         = 0b11100000,
 } cpld_xc2c_ir_t;
+// clang-format on
 
 static bool cpld_xc2c_jtag_clock(const jtag_t* const jtag, const uint32_t tms, const uint32_t tdi) {
 	// 8 ns TMS/TDI to TCK setup

firmware/common/hackrf_core.c

@@ -56,6 +56,7 @@ static struct gpio_t gpio_led[] = {
 #endif
 };
 
+// clang-format off
 static struct gpio_t gpio_1v8_enable        = GPIO(3,  6);
 
 /* MAX2837 GPIO (XCVR_CTL) PinMux */
@@ -135,6 +136,7 @@ static struct gpio_t gpio_cpld_pp_tdo       = GPIO(1,  8);
 
 static struct gpio_t gpio_hw_sync_enable    = GPIO(5,12);
 static struct gpio_t gpio_rx_q_invert       = GPIO(0, 13);
+// clang-format on
 
 i2c_bus_t i2c0 = {
 	.obj = (void*)I2C0_BASE,
@@ -521,6 +523,7 @@ static void cpu_clock_pll1_max_speed(void)
 	/* 5. Reconfigure PLL1 to produce the final output frequency, with the
 	 *    crystal oscillator as clock source. */
 	reg_val = CGU_PLL1_CTRL;
+	// clang-format off
 	reg_val &= ~( CGU_PLL1_CTRL_CLK_SEL_MASK |
 	              CGU_PLL1_CTRL_PD_MASK |
 	              CGU_PLL1_CTRL_FBSEL_MASK |
@@ -537,6 +540,7 @@ static void cpu_clock_pll1_max_speed(void)
 	           CGU_PLL1_CTRL_MSEL(16) |
 	           CGU_PLL1_CTRL_FBSEL(0) |
 	           CGU_PLL1_CTRL_DIRECT(1);
+	// clang-format on
 	CGU_PLL1_CTRL = reg_val;
 
 	/* 6. Wait for PLL1 to lock. */

firmware/common/hackrf_ui.c

@@ -29,6 +29,7 @@
 #define UNUSED(x) (void)(x)
 
 /* Stub functions for null UI function table */
+// clang-format off
 void hackrf_ui_init_null(void) { }
 void hackrf_ui_deinit_null(void) { }
 void hackrf_ui_set_frequency_null(uint64_t frequency) { UNUSED(frequency); }
@@ -45,6 +46,7 @@ void hackrf_ui_set_antenna_bias_null(bool antenna_bias) { UNUSED(antenna_bias);
 void hackrf_ui_set_clock_source_null(clock_source_t source) { UNUSED(source); }
 void hackrf_ui_set_transceiver_mode_null(transceiver_mode_t mode) { UNUSED(mode); }
 bool hackrf_ui_operacake_gpio_compatible_null(void) { return true; }
+// clang-format on
 
 /* Null UI function table, used if there's no hardware UI detected. Eliminates the
  * need to check for null UI before calling a function in the table.

firmware/common/max2837.c

@@ -259,6 +259,7 @@ typedef struct {
 	uint32_t ft;
 } max2837_ft_t;
 
+// clang-format off
 static const max2837_ft_t max2837_ft[] = {
 	{  1750000, MAX2837_FT_1_75M },
 	{  2500000, MAX2837_FT_2_5M },
@@ -278,6 +279,7 @@ static const max2837_ft_t max2837_ft[] = {
 	{ 28000000, MAX2837_FT_28M },
 	{        0, 0 },
 };
+//clang-format on
 
 uint32_t max2837_set_lpf_bandwidth(max2837_driver_t* const drv, const uint32_t bandwidth_hz) {
 	const max2837_ft_t* p = max2837_ft;

firmware/common/mixer.c

@@ -5,6 +5,7 @@
 #include "gpio_lpc.h"
 
 /* RFFC5071 GPIO serial interface PinMux */
+// clang-format off
 #if (defined JAWBREAKER || defined HACKRF_ONE)
 static struct gpio_t gpio_rffc5072_select = GPIO(2, 13);
 static struct gpio_t gpio_rffc5072_clock  = GPIO(5,  6);
@@ -19,6 +20,7 @@ static struct gpio_t gpio_vco_le        = GPIO(2, 14);
 static struct gpio_t gpio_vco_mux       = GPIO(5, 25);
 static struct gpio_t gpio_synt_rfout_en = GPIO(3,  5);
 #endif
+// clang-format on
 
 #if (defined JAWBREAKER || defined HACKRF_ONE)
 const rffc5071_spi_config_t rffc5071_spi_config = {

firmware/common/portapack.c

@@ -31,6 +31,7 @@ static void portapack_sleep_milliseconds(const uint32_t milliseconds) {
 	delay(milliseconds * 40800);	
 }
 
+// clang-format off
 static struct gpio_t gpio_io_stbx = GPIO(5,  0); /* P2_0 */
 static struct gpio_t gpio_addr    = GPIO(5,  1); /* P2_1 */
 __attribute__((unused))
@@ -40,6 +41,7 @@ static struct gpio_t gpio_unused  = GPIO(5,  7); /* P2_8 */
 static struct gpio_t gpio_lcd_rdx = GPIO(5,  4); /* P2_4 */
 static struct gpio_t gpio_lcd_wrx = GPIO(1, 10); /* P2_9 */
 static struct gpio_t gpio_dir     = GPIO(1, 13); /* P2_13 */
+// clang-format on
 
 typedef struct portapack_if_t {
 	gpio_t gpio_dir;

firmware/common/rf_path.c

@@ -240,6 +240,7 @@ static void switchctrl_set(rf_path_t* const rf_path, const uint8_t gpo) {
 void rf_path_pin_setup(rf_path_t* const rf_path) {
 #ifdef HACKRF_ONE
 	/* Configure RF switch control signals */
+	// clang-format off
 	scu_pinmux(SCU_HP,            SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
 	scu_pinmux(SCU_LP,            SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
 	scu_pinmux(SCU_TX_MIX_BP,     SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
@@ -253,6 +254,7 @@ void rf_path_pin_setup(rf_path_t* const rf_path) {
 	scu_pinmux(SCU_AMP_BYPASS,    SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
 	scu_pinmux(SCU_RX_AMP,        SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
 	scu_pinmux(SCU_NO_RX_AMP_PWR, SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
+	// clang-format on
 
 	/* Configure RF power supply (VAA) switch */
 	scu_pinmux(SCU_NO_VAA_ENABLE,  SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
@@ -279,6 +281,7 @@ void rf_path_pin_setup(rf_path_t* const rf_path) {
 	switchctrl_set(rf_path, SWITCHCTRL_AMP_BYPASS | SWITCHCTRL_MIX_BYPASS);
 #elif RAD1O
 	/* Configure RF switch control signals */
+	// clang-format off
 	scu_pinmux(SCU_BY_AMP,          SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
 	scu_pinmux(SCU_BY_AMP_N,        SCU_GPIO_FAST | SCU_CONF_FUNCTION4);
 	scu_pinmux(SCU_TX_RX,           SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
@@ -290,6 +293,7 @@ void rf_path_pin_setup(rf_path_t* const rf_path) {
 	scu_pinmux(SCU_TX_AMP,          SCU_GPIO_FAST | SCU_CONF_FUNCTION0);
 	scu_pinmux(SCU_RX_LNA,          SCU_GPIO_FAST | SCU_CONF_FUNCTION4);
 	scu_pinmux(SCU_MIXER_EN,        SCU_GPIO_FAST | SCU_CONF_FUNCTION4);
+	// clang-format on
 
 	/* Configure RF power supply (VAA) switch */
 	scu_pinmux(SCU_VAA_ENABLE,  SCU_GPIO_FAST | SCU_CONF_FUNCTION0);

firmware/common/rom_iap.h

@@ -63,6 +63,7 @@ typedef enum {
 } iap_cmd_code_t;
 
 /* ISP/IAP Return Code */
+// clang-format off
 typedef enum 
 {
 	CMD_SUCCESS                    = 0x00000000, /* CMD_SUCCESS Command is executed successfully.
@@ -94,6 +95,7 @@ typedef enum
 	/* Special Error */
 	ERROR_IAP_NOT_IMPLEMENTED      = 0x00000100 /* IAP is not implemented in this part */
 } isp_iap_ret_code_t;
+// clang-format on
 
 typedef struct
 {

firmware/hackrf_usb/usb_descriptor.c

@@ -159,6 +159,7 @@ uint8_t usb_descriptor_string_languages[] = {
 	USB_WORD(USB_STRING_LANGID),	// wLANGID
 };
 
+// clang-format off
 uint8_t usb_descriptor_string_manufacturer[] = {
 	40,                         // bLength
 	USB_DESCRIPTOR_TYPE_STRING, // bDescriptorType