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

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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
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15
firmware/common/hackrf_core.h
View File

@ -99,6 +99,13 @@ extern "C"
/* MAX2837 GPIO (XCVR_CTL) PinMux */
#ifdef JELLYBEAN
#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
#define SCU_XCVR_ENABLE (P4_6) /* GPIO2[6] on P4_6 */
#define SCU_XCVR_RXENABLE (P4_5) /* GPIO2[5] on P4_5 */
@ -151,6 +158,14 @@ extern "C"
#ifdef JELLYBEAN
#define PIN_XCVR_RXHP (BIT0) /* GPIO2[0] on P4_0 */
#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
#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. */
#ifdef JELLYBEAN
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
scu_pinmux(SCU_XCVR_ENABLE, SCU_GPIO_FAST);
scu_pinmux(SCU_XCVR_RXENABLE, SCU_GPIO_FAST);
@ -97,7 +104,16 @@ void max2837_setup(void)
/* Set GPIO pins as outputs. */
GPIO2_DIR |= (PIN_XCVR_ENABLE | PIN_XCVR_RXENABLE | PIN_XCVR_TXENABLE);
#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
/* disable everything */
@ -105,6 +121,15 @@ void max2837_setup(void)
(PIN_XCVR_ENABLE | PIN_XCVR_RXENABLE | PIN_XCVR_TXENABLE));
#ifdef JELLYBEAN
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