Sojus07/hackrf
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add code to control MAX2837 B1 through B7 from Jellybean. Another feeble attempt to control DC bias.

Browse Source
This commit is contained in:
Jared Boone
2012-10-17 22:28:10 -07:00
parent 143d845b05
commit fc9632f19d
2 changed files with 41 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
firmware/common/hackrf_core.h
View File

@ -99,6 +99,13 @@ extern "C"
/* MAX2837 GPIO (XCVR_CTL) PinMux */ /* MAX2837 GPIO (XCVR_CTL) PinMux */
#ifdef JELLYBEAN #ifdef JELLYBEAN
#define SCU_XCVR_RXHP (P4_0) /* GPIO2[0] on P4_0 */ #define SCU_XCVR_RXHP (P4_0) /* GPIO2[0] on P4_0 */
#define SCU_XCVR_B1 (P5_0) /* GPIO2[9] on P5_0 */
#define SCU_XCVR_B2 (P5_1) /* GPIO2[10] on P5_1 */
#define SCU_XCVR_B3 (P5_2) /* GPIO2[11] on P5_2 */
#define SCU_XCVR_B4 (P5_3) /* GPIO2[12] on P5_3 */
#define SCU_XCVR_B5 (P5_4) /* GPIO2[13] on P5_4 */
#define SCU_XCVR_B6 (P5_5) /* GPIO2[14] on P5_5 */
#define SCU_XCVR_B7 (P5_6) /* GPIO2[15] on P5_6 */
#endif #endif
#define SCU_XCVR_ENABLE (P4_6) /* GPIO2[6] on P4_6 */ #define SCU_XCVR_ENABLE (P4_6) /* GPIO2[6] on P4_6 */
#define SCU_XCVR_RXENABLE (P4_5) /* GPIO2[5] on P4_5 */ #define SCU_XCVR_RXENABLE (P4_5) /* GPIO2[5] on P4_5 */
@ -151,6 +158,14 @@ extern "C"
#ifdef JELLYBEAN #ifdef JELLYBEAN
#define PIN_XCVR_RXHP (BIT0) /* GPIO2[0] on P4_0 */ #define PIN_XCVR_RXHP (BIT0) /* GPIO2[0] on P4_0 */
#define PORT_XCVR_RXHP (GPIO2) #define PORT_XCVR_RXHP (GPIO2)
#define PIN_XCVR_B1 (BIT9) /* GPIO2[9] on P5_0 */
#define PIN_XCVR_B2 (BIT10) /* GPIO2[10] on P5_1 */
#define PIN_XCVR_B3 (BIT11) /* GPIO2[11] on P5_2 */
#define PIN_XCVR_B4 (BIT12) /* GPIO2[12] on P5_3 */
#define PIN_XCVR_B5 (BIT13) /* GPIO2[13] on P5_4 */
#define PIN_XCVR_B6 (BIT14) /* GPIO2[14] on P5_5 */
#define PIN_XCVR_B7 (BIT15) /* GPIO2[15] on P5_6 */
#define PORT_XCVR_B (GPIO2)
#endif #endif
#define PIN_AD_CS (BIT7) /* GPIO2[7] on P5_7 */ #define PIN_AD_CS (BIT7) /* GPIO2[7] on P5_7 */

27
firmware/common/max2837.c
View File

@ -89,6 +89,13 @@ void max2837_setup(void)
/* Configure XCVR_CTL GPIO pins. */ /* Configure XCVR_CTL GPIO pins. */
#ifdef JELLYBEAN #ifdef JELLYBEAN
scu_pinmux(SCU_XCVR_RXHP, SCU_GPIO_FAST); scu_pinmux(SCU_XCVR_RXHP, SCU_GPIO_FAST);
scu_pinmux(SCU_XCVR_B1, SCU_GPIO_FAST);
scu_pinmux(SCU_XCVR_B2, SCU_GPIO_FAST);
scu_pinmux(SCU_XCVR_B3, SCU_GPIO_FAST);
scu_pinmux(SCU_XCVR_B4, SCU_GPIO_FAST);
scu_pinmux(SCU_XCVR_B5, SCU_GPIO_FAST);
scu_pinmux(SCU_XCVR_B6, SCU_GPIO_FAST);
scu_pinmux(SCU_XCVR_B7, SCU_GPIO_FAST);
#endif #endif
scu_pinmux(SCU_XCVR_ENABLE, SCU_GPIO_FAST); scu_pinmux(SCU_XCVR_ENABLE, SCU_GPIO_FAST);
scu_pinmux(SCU_XCVR_RXENABLE, SCU_GPIO_FAST); scu_pinmux(SCU_XCVR_RXENABLE, SCU_GPIO_FAST);
@ -97,7 +104,16 @@ void max2837_setup(void)
/* Set GPIO pins as outputs. */ /* Set GPIO pins as outputs. */
GPIO2_DIR |= (PIN_XCVR_ENABLE | PIN_XCVR_RXENABLE | PIN_XCVR_TXENABLE); GPIO2_DIR |= (PIN_XCVR_ENABLE | PIN_XCVR_RXENABLE | PIN_XCVR_TXENABLE);
#ifdef JELLYBEAN #ifdef JELLYBEAN
GPIO2_DIR |= PIN_XCVR_RXHP; GPIO_DIR(PORT_XCVR_RXHP) |= PIN_XCVR_RXHP;
GPIO_DIR(PORT_XCVR_B) |=
PIN_XCVR_B1
| PIN_XCVR_B2
| PIN_XCVR_B3
| PIN_XCVR_B4
| PIN_XCVR_B5
| PIN_XCVR_B6
| PIN_XCVR_B7
;
#endif #endif
/* disable everything */ /* disable everything */
@ -105,6 +121,15 @@ void max2837_setup(void)
(PIN_XCVR_ENABLE | PIN_XCVR_RXENABLE | PIN_XCVR_TXENABLE)); (PIN_XCVR_ENABLE | PIN_XCVR_RXENABLE | PIN_XCVR_TXENABLE));
#ifdef JELLYBEAN #ifdef JELLYBEAN
gpio_set(PORT_XCVR_RXHP, PIN_XCVR_RXHP); gpio_set(PORT_XCVR_RXHP, PIN_XCVR_RXHP);
gpio_set(PORT_XCVR_B,
PIN_XCVR_B1
| PIN_XCVR_B2
| PIN_XCVR_B3
| PIN_XCVR_B4
| PIN_XCVR_B5
| PIN_XCVR_B6
| PIN_XCVR_B7
);
#endif #endif
#endif #endif