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feat(max2871.c): POC

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This commit is contained in:
Tobias Schneider
2015-06-07 17:07:36 +02:00
parent b4b768c76f
commit cf6fe302bc
4 changed files with 417 additions and 14 deletions
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3
firmware/common/hackrf_core.h
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@ -165,6 +165,7 @@ extern "C"
#define SCU_VCO_SDATA (P6_4) /* GPIO3[3] on P6_4 */
#define SCU_VCO_LE (P5_5) /* GPIO2[14] on P5_5 */
#define SCU_MIXER_EN (P6_8) /* GPIO5[16] on P6_8 */
#define SCU_SYNT_RFOUT_EN (P6_9) /* GPIO3[5] on P6_9 */
#endif
/* RF LDO control */
@ -325,6 +326,8 @@ extern "C"
#define PORT_VCO_LE (GPIO2)
#define PIN_MIXER_EN (BIT16) /* GPIO5[16] on P6_8 */
#define PORT_MIXER_EN (GPIO5)
#define PIN_SYNT_RFOUT_EN (BIT5) /* GPIO3[5] on P6_9 */
#define PORT_SYNT_RFOUT_EN (GPIO3)
#endif
#ifdef JAWBREAKER

75
firmware/common/max2871.c
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@ -1,6 +1,7 @@
#include "mixer.h"
//#include "max2871.h"
//#include "mac2871_regs.def" // private register def macros
// TODO: put max2871_regs.c into the build system
#include "max2871_regs.c"
#if (defined DEBUG)
#include <stdio.h>
@ -17,9 +18,9 @@
#include <string.h>
static void max2871_spi_write(uint8_t r, uint32_t v);
static void max2871_write_registers(void);
static void delay_ms(int ms);
static uint32_t registers[6];
/*
* - The input is fixed to 50 MHz
* f_REF = 50 MHz
@ -140,35 +141,81 @@ void mixer_setup(void)
{
/* Configure GPIO pins. */
scu_pinmux(SCU_VCO_CE, SCU_GPIO_FAST);
//scu_pinmux(SCU_VCO_SCLK, SCU_GPIO_FAST | SCU_CONF_FUNCTION4);
scu_pinmux(SCU_VCO_SCLK, SCU_GPIO_FAST);
scu_pinmux(SCU_VCO_SCLK, SCU_GPIO_FAST | SCU_CONF_FUNCTION4);
//Only used for the debug pin config: scu_pinmux(SCU_VCO_SCLK, SCU_GPIO_FAST);
scu_pinmux(SCU_VCO_SDATA, SCU_GPIO_FAST);
scu_pinmux(SCU_VCO_LE, SCU_GPIO_FAST);
scu_pinmux(SCU_SYNT_RFOUT_EN, SCU_GPIO_FAST);
/* Set GPIO pins as outputs. */
GPIO_DIR(PORT_VCO_CE) |= PIN_VCO_CE;
GPIO_DIR(PORT_VCO_SCLK) |= PIN_VCO_SCLK;
GPIO_DIR(PORT_VCO_SDATA) |= PIN_VCO_SDATA;
GPIO_DIR(PORT_VCO_LE) |= PIN_VCO_LE;
GPIO_DIR(PORT_SYNT_RFOUT_EN) |= PIN_SYNT_RFOUT_EN;
/* set to known state */
gpio_set(PORT_VCO_CE, PIN_VCO_CE); /* active high */
gpio_clear(PORT_VCO_SCLK, PIN_VCO_SCLK);
gpio_clear(PORT_VCO_SDATA, PIN_VCO_SDATA);
gpio_set(PORT_VCO_LE, PIN_VCO_LE); /* active low */
gpio_set(PORT_SYNT_RFOUT_EN, PIN_SYNT_RFOUT_EN); /* active high */
registers[0] = 0x007D0000;
registers[1] = 0x2000FFF9;
registers[2] = 0x00004042;
registers[3] = 0x0000000B;
registers[4] = 0x6180B23C;
registers[5] = 0x00400005;
max2871_regs_init();
int i;
for(i = 5; i >= 0; i--) {
max2871_spi_write(i, registers[i]);
max2871_spi_write(i, max2871_get_register(i));
delay_ms(20);
}
max2871_set_INT(1);
max2871_set_N(4500);
max2871_set_FRAC(0);
max2871_set_CPL(0);
max2871_set_CPT(0);
max2871_set_P(1);
max2871_set_M(0);
max2871_set_LDS(0);
max2871_set_SDN(0);
max2871_set_MUX(3);
max2871_set_DBR(0);
max2871_set_RDIV2(0);
max2871_set_R(50); // 1 MHz f_PFD
max2871_set_REG4DB(0);
max2871_set_CP(3); // ?: CP current up 0-3
max2871_set_LDF(1); // INT-N
max2871_set_LDP(0); // ?: Lock-Detect Precision
max2871_set_PDP(1);
max2871_set_SHDN(0);
max2871_set_TRI(0);
max2871_set_RST(0);
max2871_set_VCO(0);
max2871_set_VAS_SHDN(0);
max2871_set_VAS_TEMP(0);
max2871_set_CSM(0);
max2871_set_MUTEDEL(1);
max2871_set_CDM(0);
max2871_set_CDIV(0);
max2871_set_SDLDO(0);
max2871_set_SDDIV(0);
max2871_set_SDREF(0);
max2871_set_BS(20); // For 1 MHz f_PFD
max2871_set_FB(1); // Do not put DIVA into the feedback loop
max2871_set_DIVA(0);
max2871_set_SDVCO(0);
max2871_set_MTLD(1);
max2871_set_BDIV(0);
max2871_set_RFB_EN(0);
max2871_set_BPWR(0);
max2871_set_RFA_EN(1);
max2871_set_APWR(3);
max2871_set_SDPLL(0);
max2871_set_F01(1);
max2871_set_LD(1);
max2871_set_ADCS(0);
max2871_set_ADCM(0);
max2871_write_registers();
}
static void delay_ms(int ms)
@ -233,11 +280,11 @@ static void max2871_spi_write(uint8_t r, uint32_t v) {
#endif
}
void max2871_write_registers(void)
static void max2871_write_registers(void)
{
int i;
for(i = 5; i >= 0; i--) {
max2871_spi_write(i, registers[i]);
max2871_spi_write(i, max2871_get_register(i));
}
}

299
firmware/common/max2871_regs.c Normal file
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@ -0,0 +1,299 @@
#include "max2871_regs.h"
#include <stdint.h>
static uint32_t registers[6];
void max2871_regs_init(void)
{
registers[0] = 0x007D0000;
registers[1] = 0x2000FFF9;
registers[2] = 0x00004042;
registers[3] = 0x0000000B;
registers[4] = 0x6180B23C;
registers[5] = 0x00400005;
}
uint32_t max2871_get_register(int reg)
{
return registers[reg];
}
void max2871_set_INT(uint32_t v)
{
registers[0] &= ~(0x1 << 31);
registers[0] |= v << 31;
}
void max2871_set_N(uint32_t v)
{
registers[0] &= ~(0xFFFF << 15);
registers[0] |= v << 15;
}
void max2871_set_FRAC(uint32_t v)
{
registers[0] &= ~(0xFFF << 3);
registers[0] |= v << 3;
}
void max2871_set_CPL(uint32_t v)
{
registers[1] &= ~(0x3 << 29);
registers[1] |= v << 29;
}
void max2871_set_CPT(uint32_t v)
{
registers[1] &= ~(0x3 << 27);
registers[1] |= v << 27;
}
void max2871_set_P(uint32_t v)
{
registers[1] &= ~(0xFFF << 15);
registers[1] |= v << 15;
}
void max2871_set_M(uint32_t v)
{
registers[1] &= ~(0xFFF << 3);
registers[1] |= v << 3;
}
void max2871_set_LDS(uint32_t v)
{
registers[2] &= ~(0x1 << 31);
registers[2] |= v << 31;
}
void max2871_set_SDN(uint32_t v)
{
registers[2] &= ~(0x3 << 29);
registers[2] |= v << 29;
}
void max2871_set_MUX(uint32_t v)
{
registers[2] &= ~(0x7 << 26);
registers[5] &= ~(0x1 << 18);
registers[2] |= (v & 0x7) << 26;
registers[5] |= ((v & 0x8) >> 3) << 18;
}
void max2871_set_DBR(uint32_t v)
{
registers[2] &= ~(0x1 << 25);
registers[2] |= v << 25;
}
void max2871_set_RDIV2(uint32_t v)
{
registers[2] &= ~(0x1 << 24);
registers[2] |= v << 24;
}
void max2871_set_R(uint32_t v)
{
registers[2] &= ~(0x3FF << 14);
registers[2] |= v << 14;
}
void max2871_set_REG4DB(uint32_t v)
{
registers[2] &= ~(0x1 << 13);
registers[2] |= v << 13;
}
void max2871_set_CP(uint32_t v)
{
registers[2] &= ~(0xF << 9);
registers[2] |= v << 9;
}
void max2871_set_LDF(uint32_t v)
{
registers[2] &= ~(0x1 << 8);
registers[2] |= v << 8;
}
void max2871_set_LDP(uint32_t v)
{
registers[2] &= ~(0x1 << 7);
registers[2] |= v << 7;
}
void max2871_set_PDP(uint32_t v)
{
registers[2] &= ~(0x1 << 6);
registers[2] |= v << 6;
}
void max2871_set_SHDN(uint32_t v)
{
registers[2] &= ~(0x1 << 5);
registers[2] |= v << 5;
}
void max2871_set_TRI(uint32_t v)
{
registers[2] &= ~(0x1 << 4);
registers[2] |= v << 4;
}
void max2871_set_RST(uint32_t v)
{
registers[2] &= ~(0x1 << 3);
registers[2] |= v << 3;
}
void max2871_set_VCO(uint32_t v)
{
registers[3] &= ~(0x3F << 26);
registers[3] |= v << 26;
}
void max2871_set_VAS_SHDN(uint32_t v)
{
registers[3] &= ~(0x1 << 25);
registers[3] |= v << 25;
}
void max2871_set_VAS_TEMP(uint32_t v)
{
registers[3] &= ~(0x1 << 24);
registers[3] |= v << 24;
}
void max2871_set_CSM(uint32_t v)
{
registers[3] &= ~(0x1 << 18);
registers[3] |= v << 18;
}
void max2871_set_MUTEDEL(uint32_t v)
{
registers[3] &= ~(0x1 << 17);
registers[3] |= v << 17;
}
void max2871_set_CDM(uint32_t v)
{
registers[3] &= ~(0x3 << 15);
registers[3] |= v << 15;
}
void max2871_set_CDIV(uint32_t v)
{
registers[3] &= ~(0xFFF << 3);
registers[3] |= v << 3;
}
void max2871_set_SDLDO(uint32_t v)
{
registers[4] &= ~(0x1 << 28);
registers[4] |= v << 28;
}
void max2871_set_SDDIV(uint32_t v)
{
registers[4] &= ~(0x1 << 27);
registers[4] |= v << 27;
}
void max2871_set_SDREF(uint32_t v)
{
registers[4] &= ~(0x1 << 26);
registers[4] |= v << 26;
}
void max2871_set_BS(uint32_t v)
{
registers[4] &= ~(0x3 << 24);
registers[4] &= ~(0xFF << 12);
registers[4] |= ((v & 0x300) >> 8) << 24;
registers[4] |= (v & 0xFF) << 12;
}
void max2871_set_FB(uint32_t v)
{
registers[4] &= ~(0x1 << 23);
registers[4] |= v << 23;
}
void max2871_set_DIVA(uint32_t v)
{
registers[4] &= ~(0x7 << 20);
registers[4] |= v << 20;
}
void max2871_set_SDVCO(uint32_t v)
{
registers[4] &= ~(0x1 << 11);
registers[4] |= v << 11;
}
void max2871_set_MTLD(uint32_t v)
{
registers[4] &= ~(0x1 << 10);
registers[4] |= v << 10;
}
void max2871_set_BDIV(uint32_t v)
{
registers[4] &= ~(0x1 << 9);
registers[4] |= v << 9;
}
void max2871_set_RFB_EN(uint32_t v)
{
registers[4] &= ~(0x1 << 8);
registers[4] |= v << 8;
}
void max2871_set_BPWR(uint32_t v)
{
registers[4] &= ~(0x3 << 6);
registers[4] |= v << 6;
}
void max2871_set_RFA_EN(uint32_t v)
{
registers[4] &= ~(0x1 << 5);
registers[4] |= v << 5;
}
void max2871_set_APWR(uint32_t v)
{
registers[4] &= ~(0x3 << 3);
registers[4] |= v << 3;
}
void max2871_set_SDPLL(uint32_t v)
{
registers[5] &= ~(0x1 << 25);
registers[5] |= v << 25;
}
void max2871_set_F01(uint32_t v)
{
registers[5] &= ~(0x1 << 24);
registers[5] |= v << 24;
}
void max2871_set_LD(uint32_t v)
{
registers[5] &= ~(0x3 << 22);
registers[5] |= v << 22;
}
void max2871_set_ADCS(uint32_t v)
{
registers[5] &= ~(0x1 << 6);
registers[5] |= v << 6;
}
void max2871_set_ADCM(uint32_t v)
{
registers[5] &= ~(0x7 << 3);
registers[5] |= v << 3;
}

54
firmware/common/max2871_regs.h Normal file
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@ -0,0 +1,54 @@
#ifndef MAX2871_H
#define MAX2871_H
#include <stdint.h>
void max2871_regs_init(void);
uint32_t max2871_get_register(int reg);
void max2871_set_INT(uint32_t v);
void max2871_set_N(uint32_t v);
void max2871_set_FRAC(uint32_t v);
void max2871_set_CPL(uint32_t v);
void max2871_set_CPT(uint32_t v);
void max2871_set_P(uint32_t v);
void max2871_set_M(uint32_t v);
void max2871_set_LDS(uint32_t v);
void max2871_set_SDN(uint32_t v);
void max2871_set_MUX(uint32_t v);
void max2871_set_DBR(uint32_t v);
void max2871_set_RDIV2(uint32_t v);
void max2871_set_R(uint32_t v);
void max2871_set_REG4DB(uint32_t v);
void max2871_set_CP(uint32_t v);
void max2871_set_LDF(uint32_t v);
void max2871_set_LDP(uint32_t v);
void max2871_set_PDP(uint32_t v);
void max2871_set_SHDN(uint32_t v);
void max2871_set_TRI(uint32_t v);
void max2871_set_RST(uint32_t v);
void max2871_set_VCO(uint32_t v);
void max2871_set_VAS_SHDN(uint32_t v);
void max2871_set_VAS_TEMP(uint32_t v);
void max2871_set_CSM(uint32_t v);
void max2871_set_MUTEDEL(uint32_t v);
void max2871_set_CDM(uint32_t v);
void max2871_set_CDIV(uint32_t v);
void max2871_set_SDLDO(uint32_t v);
void max2871_set_SDDIV(uint32_t v);
void max2871_set_SDREF(uint32_t v);
void max2871_set_BS(uint32_t v);
void max2871_set_FB(uint32_t v);
void max2871_set_DIVA(uint32_t v);
void max2871_set_SDVCO(uint32_t v);
void max2871_set_MTLD(uint32_t v);
void max2871_set_BDIV(uint32_t v);
void max2871_set_RFB_EN(uint32_t v);
void max2871_set_BPWR(uint32_t v);
void max2871_set_RFA_EN(uint32_t v);
void max2871_set_APWR(uint32_t v);
void max2871_set_SDPLL(uint32_t v);
void max2871_set_F01(uint32_t v);
void max2871_set_LD(uint32_t v);
void max2871_set_ADCS(uint32_t v);
void max2871_set_ADCM(uint32_t v);
#endif