trueControl
/
sc7-testo-firmware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

WIP code 

ADC is sort of functioning, but not reliably. LEDs are sort of working. Buzzer isn't working right and is nearly always on as I can't set the PF2 mode.
This commit is contained in:
true 2023-10-19 16:20:41 -07:00
parent 096131b87b
commit ecc478661f
15 changed files with 308 additions and 94 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
boards/generic_py32f030x6.json
View File

@ -1,7 +1,7 @@
{
"build": {
"cpu": "cortex-m0plus",
"extra_flags": "-DPY32F003x6",
"extra_flags": "-DPY32F030x6",
"f_cpu": "8000000L",
"mcu": "py32f030x6",
"product_line": "PY32F030x6"
@ -21,7 +21,7 @@
"cmsis-dap"
]
},
"name": "Generic PY32F002/003/030 (configured as 32K PY32F030x6)",
"name": "Generic 16/32K PY32F002/003/030 (configured as 32K PY32F030x6)",
"url": "https://github.com/trueserve",
"vendor": "trueControl"
}

14
include/adc.h
View File

@ -5,6 +5,18 @@
* file creation: 20231016 0102
*/
#ifndef _INC_ADC_H
#define _INC_ADC_H
#include <stdint.h>
void adc_init();
void adc_next();
uint8_t adc_next();
#endif /* _INC_ADC_H */

20
include/flash.h Normal file
View File

@ -0,0 +1,20 @@
/*
* flash.h: flashing user config and system option bytes
*
* file creation: 20231019 0129
*/
#ifndef _INC_FLASH_H
#define _INC_FLASH_H
void flash_optr_checkfix();
void flash_optr_set();
void flash_init();
#endif /* _INC_FLASH_H */

7
include/led.h
View File

@ -5,6 +5,9 @@
* file creation: 20231015 0059
*/
#ifndef _INC_LED_H
#define _INC_LED_H
#include <stdint.h>
@ -18,3 +21,7 @@ void led_mode_buzzer();
void led_setrgb(uint8_t i, uint16_t r, uint16_t g, uint16_t b);
void led_buzz(uint8_t buzz);
#endif /* _INC_LED_H */

6
include/testo.h
View File

@ -4,6 +4,9 @@
* file creation: 20231015 0021
*/
#ifndef _INC_TESTO_H
#define _INC_TESTO_H
#include "py32f0xx_conf.h"
@ -78,3 +81,6 @@
#define ADC_VREF_EXT 0
#define ADC_THERM 4
#endif /* _INC_TESTO_H */

12
include/userio.h Normal file
View File

@ -0,0 +1,12 @@
/*
* userio.h: reacting when you fiddle with buttons, switches, and knobs
*
* file creation: 20231016 1505
*/
#include <stdint.h>
void userio_parse();

2
lib/py32f0xx-ll/src/py32f0xx_ll_flash.c
View File

@ -871,7 +871,7 @@ ErrorStatus LL_FLASH_OBProgram(FLASH_OBProgramInitTypeDef *pOBInit)
FLASH->CR|=FLASH_CR_OPTSTRT;
/* set bit EOPIE */
FLASH->CR|=FLASH_CR_EOPIE;
// FLASH->CR|=FLASH_CR_EOPIE;
/* trigger program */
*((__IO uint32_t *)(0x40022080))=0xff;

39
platformio.ini
View File

@ -10,7 +10,7 @@
[env]
platform = nxplpc ; not actually this and we are not using a framework
build_type = debug ; setting platform = nxplpc makes everything happy
; setting platform = nxplpc makes everything happy
; as we'll get nano specs and any other needed shit
board = generic_py32f030x6
@ -28,13 +28,17 @@ debug_extra_cmds =
upload_protocol = custom
upload_command = $PYTHONEXE ${platformio.packages_dir}/tool-pyocd/pyocd-flashtool.py --config $PROJECT_DIR/pyocd.yaml -t PY32F030x6 $SOURCE
build_flags =
-DUSE_FULL_LL_DRIVER
-L.
-Os
-std=gnu11
platform_packages =
toolchain-gccarmnoneeabi@1.100301.220327 ; build issues with GCC12, use GCC10 for now
tool-pyocd ; user won't have to install it
[env:sc7-testobot-py32f-dbg_pyocd]
build_type = debug
board_build.ldscript = py32f030x6.ld
debug_build_flags =
-Wl,-Map=.pio/output_dbg.map
-DUSE_FULL_LL_DRIVER
-L.
-Os
@ -42,26 +46,15 @@ debug_build_flags =
-Wl,-Map=.pio/output_dbg.map
-g
platform_packages =
toolchain-gccarmnoneeabi@1.100301.220327 ; build issues with GCC12, use GCC10 for now
tool-pyocd ; user won't have to install it
[env:sc7-testobot-py32f-dbg_pyocd]
board_build.ldscript = py32f030x6.ld
debug_build_flags =
-Wl,-Map=.pio/output_dbg.map
[env:sc7-testobot-py32f-rel_bl]
build_type = release
board_build.ldscript = py32f030x6_bl.ld
board_upload.maximum_size = 30720 ; 2K reserved for bootloader
build_flags =
-Wl,-Map=.pio/output_rel.map
-DUSE_FULL_LL_DRIVER
-L.
-Os
-std=gnu11

2
py32f030x6.ld
View File

@ -31,6 +31,8 @@ MEMORY
{
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 4K
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 32K
PERIPHERAL (rw): ORIGIN = 0x40000000, LENGTH = 512M
PPB (rw) : ORIGIN = 0xe0000000, LENGTH = 512M
}
/* Define output sections */

13
pyocd_user.py
View File

@ -3,12 +3,13 @@
def will_connect(board):
print("notice: adding peripheral memory map...");
target.memory_map.add_region(DeviceRegion(
name="Peripheral",
start=0x40000000,
length=0x20000000,
access='rw'
))
# target.memory_map.add_region(DeviceRegion(
# name="Peripheral",
# start=0x40000000,
# length=0x20000000,
# access='rw'
# ))
target.memory_map.add_region(DeviceRegion(
name="PPB",
start=0xE0000000,

113
src/adc.c
View File

@ -9,9 +9,9 @@
* voltage - only the analog supply can be the reference.
*
* because most inputs are high impedance, which is not ideal,
* sampling time is increased to the maximum. this results in
* a final ADC sample rate of ~33KHz, still well beyond
* what is needed in this application.
* sampling time is increased. this results in a final ADC sample rate
* of about 33KHz, still well beyond what is needed in this application.
* this value may change in the future.
*
* file creation: 20231015 0121
*/
@ -28,13 +28,16 @@
#define ADC_CHANNELS 6
#define ADC_HISTLEN 16
#define CONF_CALIBRATE (1 << 0)
#define CONF_USEPROBE (1 << 1)
static uint16_t adc_read[ADC_CHANNELS];
static uint16_t adc_hist[ADC_CHANNELS][ADC_HISTLEN];
static uint16_t adc_avg[ADC_CHANNELS];
static uint8_t adc_idx = ADC_HISTLEN;
static uint8_t adc_idx = ADC_HISTLEN + 1;
static int16_t vref;
static uint8_t calibrate = 0;
@ -52,31 +55,90 @@ void adc_init()
// enable VREFINT and temperature sensor
ADC->CCR = ADC_CCR_TSEN | ADC_CCR_VREFEN;
// configure scan channels, sampling time
ADC1->CHSELR = CONF_SET1_AN | PROBE_AN |
CONF_MODE_AN | CONF_SET0_AN |
// configure scan channels, sampling time (11 = temp, 12 = vrefint)
ADC1->CHSELR = CONF_SET1_AN | PROBE_AN | // note: SET1 and PROBE are
CONF_MODE_AN | CONF_SET0_AN | // shared and reflect one chan
ADC_CHSELR_CHSEL11 | ADC_CHSELR_CHSEL12;
ADC1->SMPR = SAMPLE_TIME;
// run in non-circular DMA mode, with wait mode enabled
ADC1->CFGR1 = ADC_CFGR1_OVRMOD | ADC_CFGR1_WAIT | LL_ADC_REG_DMA_TRANSFER_LIMITED;
// by default, DMA selection for all channels is ADC
// so all we need to do is set the peripheral address
DMA1_Channel1->CPAR = (uint32_t)&ADC1->DR;
DMA1_Channel1->CMAR = (uint32_t)adc_read;
}
void adc_next()
/*
* internal function for stopping ADC conversion in progress.
*/
void adc_stop()
{
uint8_t i, j;
int16_t w;
// start ADC calibration
if (calibrate) {
calibrate = 0;
// stop if conversion in progress (it shouldn't ever be)
if (ADC1->CR & ADC_CR_ADSTART) {
ADC1->CR |= ADC_CR_ADSTP;
while (ADC1->CR & ADC_CR_ADSTP);
}
}
/*
* internal function for setting up the ADC for a read.
*/
void adc_go()
{
// stop if conversion in progress (it shouldn't ever be)
adc_stop();
// configure and enable DMA
DMA1_Channel1->CCR = 0;
DMA1_Channel1->CNDTR = ADC_CHANNELS;
DMA1_Channel1->CCR = LL_DMA_PRIORITY_HIGH |
LL_DMA_MDATAALIGN_HALFWORD |
LL_DMA_PDATAALIGN_HALFWORD |
LL_DMA_MEMORY_INCREMENT |
LL_DMA_MODE_NORMAL |
LL_DMA_DIRECTION_PERIPH_TO_MEMORY |
DMA_CCR_EN;
// enable and start ADC
ADC1->ISR = 0x1e; // clear all interrupt flags (per DS; mistranslated)
ADC1->CR = ADC_CR_ADEN;
ADC1->CR |= ADC_CR_ADSTART;
}
/*
* when switching AN0 to/from SET1 and VREFEXT, we need to clear
* old history stored for the first analog input as well as reset the
* history index to start over. finally we need to trigger the ADC
* to get fresh data.
*/
void adc_switch0()
{
uint8_t i;
adc_read[0] = 0;
adc_avg[0] = 0;
for (i = 0; i < ADC_HISTLEN; i++) {
adc_hist[0][i] = 0;
}
adc_idx = 0;
// force ADC read to get fresh data
adc_go();
}
uint8_t adc_next()
{
uint8_t i, j;
int16_t w;
// stop if conversion in progress (it shouldn't ever be)
adc_stop();
// start ADC calibration
if (calibrate) {
calibrate = 0;
// disable ADC and start calibration
ADC1->CR &= ~(ADC_CR_ADEN);
@ -84,7 +146,6 @@ void adc_next()
}
// copy data to history from last read
adc_idx++;
if (adc_idx > ADC_HISTLEN) {
// nothing to copy when first starting
adc_idx = 0;
@ -122,21 +183,9 @@ void adc_next()
}
// wait for calibration to complete, if started
while (ADC1->CR & ADC_CR_ADCAL);
while (ADC1->CR & ADC_CR_ADCAL) {};
// configure and enable DMA
DMA1_Channel1->CNDTR = ADC_CHANNELS;
DMA1_Channel1->CMAR = (uint32_t)adc_read;
DMA1_Channel1->CCR = LL_DMA_PRIORITY_MEDIUM |
LL_DMA_MDATAALIGN_HALFWORD |
LL_DMA_PDATAALIGN_HALFWORD |
LL_DMA_MEMORY_INCREMENT |
LL_DMA_MODE_CIRCULAR |
LL_DMA_DIRECTION_PERIPH_TO_MEMORY |
DMA_CCR_EN;
adc_go();
// enable and start ADC
ADC1->ISR = 0x8e; // clear all interrupt flags (per DS; mistranslated)
ADC1->CR = ADC_CR_ADEN;
ADC1->CR |= ADC_CR_ADSTART;
return adc_idx;
}

75
src/flash.c Normal file
View File

@ -0,0 +1,75 @@
/*
* flash.c: flashing user config and system option bytes
*
* by default, the pin used for PF2 is configured as a reset.
* this code will check that the no-reset bit is set.
* if it is not, this code will update the option bytes to
* set the BOR voltage, enable BOR, and enable the no-reset bit.
*
* file creation: 20231019 0126
*/
#include "py32f0xx_conf.h"
/*
* checks the flash option byte to determine if the reset pin
* is configured to be PF2. if not, sets this bit as well as
* the BOR values. if the bits were updated, they will be reloaded.
*
* only call this function during startup, before interrupts
* are enabled.
*
* note: this code caused me to lose MCU. consider it buggy.
*/
void flash_optr_checkfix()
{
FLASH_OBProgramInitTypeDef opt;
if ((FLASH->OPTR & FLASH_OPTR_NRST_MODE) == OB_RESET_MODE_RESET) {
// let's update this
opt.OptionType = OPTIONBYTE_RDP | OPTIONBYTE_USER;
opt.USERType = 0xff00;
opt.USERConfig = OB_BOR_ENABLE | OB_BOR_LEVEL_2p3_2p4 | OB_IWDG_SW | OB_WWDG_SW | OB_RESET_MODE_GPIO | OB_BOOT1_SYSTEM | OB_RDP_LEVEL_0;
if (LL_FLASH_Unlock() != SUCCESS) return;
if (LL_FLASH_OB_Unlock() != SUCCESS) return;
LL_FLASH_OBProgram(&opt);
LL_FLASH_OB_Lock();
LL_FLASH_Lock();
// reload newly programmed option bytes
LL_FLASH_OB_Launch();
}
}
/*
* manually load values into flash option byte, to configure
* the BOR and configure the reset pin to be PF2.
*/
void flash_optr_set()
{
FLASH->OPTR &= (FLASH_OPTR_BOR_EN_Msk | FLASH_OPTR_BOR_LEV_Msk | FLASH_OPTR_NRST_MODE_Msk);
FLASH->OPTR |= OB_BOR_ENABLE | OB_BOR_LEVEL_2p3_2p4 | OB_RESET_MODE_GPIO;
}
void flash_init()
{
// load flash write timings for 8MHz operation
// (these are listed in the datasheet)
FLASH->TS0 = 0x3c;
FLASH->TS2P = 0x3c;
FLASH->TS3 = 0x3c;
FLASH->TS1 = 0x90;
FLASH->TPS3 = 0x240;
FLASH->PERTPE = 0x5dc0;
FLASH->SMERTPE = 0x5dc0;
FLASH->PRGTPE = 0x1f40;
FLASH->PRETPE = 0x640;
}

15
src/led.c
View File

@ -39,14 +39,14 @@ void led_next()
led_sel &= 1;
// clear outputs
RGBSEL0_PORT->BRR = (1 << RGBSEL0_PIN);
RGBSEL1_PORT->BRR = (1 << RGBSEL1_PIN);
RGBSEL0_PORT->BSRR = (1 << RGBSEL0_PIN);
RGBSEL1_PORT->BSRR = (1 << RGBSEL1_PIN);
if (!led_sel || (led_mode == MODE_RGB)) {
// set PWMs in RGB mode, or when right LED set
PWM_RGB_R = rgb[led_sel][RED];
PWM_RGB_R = rgb[led_sel][GRN];
PWM_RGB_R = rgb[led_sel][BLU];
PWM_RGB_G = rgb[led_sel][GRN];
PWM_RGB_B = rgb[led_sel][BLU];
} else {
// clear PWMs in piezo mode when piezo should be active
PWM_RGB_R = PWM_RGB_G = PWM_RGB_B = 0;
@ -58,9 +58,9 @@ void led_next()
// enable selected LED
if (led_sel) {
if ((led_mode == MODE_BUZZ) && !snd_buzz) return;
RGBSEL1_PORT->BSRR = (1 << RGBSEL1_PIN);
RGBSEL1_PORT->BRR = (1 << RGBSEL1_PIN);
} else {
RGBSEL0_PORT->BSRR = (1 << RGBSEL0_PIN);
RGBSEL0_PORT->BRR = (1 << RGBSEL0_PIN);
}
}
@ -146,6 +146,9 @@ void led_init()
led_sel = 1;
snd_buzz = 0;
rgb[0][0] = 100;
rgb[1][1] = 100;
// start outputting data
led_next();
}

48
src/main.c
View File

@ -10,7 +10,9 @@
#include "testo.h"
#include "adc.h"
#include "flash.h"
#include "led.h"
#include "userio.h"
@ -30,8 +32,8 @@ static inline void gpio_init()
// enable pullups on I2C outputs
GPIOA->PUPDR = 0x24000050;
// datasheet doesn't say what the speeds are for GPIO...
// so set SWDIO to very high speed, all other outputs as high speed
GPIOA->OSPEEDR = 0x2E002AA0;
// so set SWDIO to very high speed, PA12 low speed, all other outputs as high speed
GPIOA->OSPEEDR = 0x2C002AA0;
// alternate function select
// PA6=T3C1, PA5=T3C2, PA4=T3C3, PA3=I2C_SCL, PA2=I2C_SDA
GPIOA->AFR[0] = 0x01DDCC00;
@ -44,26 +46,27 @@ static inline void gpio_init()
// PB1=OUT, PB0=AN
// unused pins are analog
GPIOB->OSPEEDR = 0x00000008;
// unused pins are analog, all outputs are low speed
GPIOB->OSPEEDR = 0x00000000;
GPIOB->MODER = 0xfffffff7;
// PF2=OUT, low speed
// PF2=OUT(low), low speed
// unused pins are analog
GPIOF->ODR = (1 << 2);
GPIOF->MODER = 0xFFFFFCDF;
}
static inline void clk_init()
{
// run all buses at core clock speed
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
// enable GPIO clocks
// enable GPIO and peripheral clocks
RCC->IOPENR = LL_IOP_GRP1_PERIPH_GPIOA |
LL_IOP_GRP1_PERIPH_GPIOB |
LL_IOP_GRP1_PERIPH_GPIOF;
// enable peripheral clocks
RCC->AHBENR = LL_AHB1_GRP1_PERIPH_DMA1;
RCC->APBENR1 = LL_APB1_GRP1_PERIPH_TIM3;
RCC->APBENR2 = LL_APB1_GRP2_PERIPH_ADC1 | LL_APB1_GRP2_PERIPH_SYSCFG;
@ -78,6 +81,12 @@ static inline void systick_init()
// configure timebase with interrupt at 4096Hz
// this assumes we'll always be running at 8MHz
SysTick_Config((8000000 / 4096) - 1);
// configure unused DMA channels to not be on ADC
// (otherwise ADC can shows reads of 0... it's a hardware bug)
SYSCFG->CFGR3 = LL_SYSCFG_DMA_MAP_ADC | // ch0
LL_SYSCFG_DMA_MAP_TIM17_UP << 8 | // ch1
LL_SYSCFG_DMA_MAP_TIM17_UP << 16; // ch2
}
/*
@ -88,6 +97,7 @@ int main()
{
// base hardware initialization
clk_init();
flash_init(); // also configures option bytes, if necessary
gpio_init();
// peripheral initialization
@ -116,20 +126,36 @@ int main()
*/
void SysTick_Handler(void)
{
uint16_t cs;
ctr++;
// run LED programs quickly
led_next();
// limit counter to 4096
// limit counter to 4096 counts
ctr &= 0xfff;
if (!ctr) {
uptime++;
}
// run main logic at 1024Hz
if ((ctr & 0x3) == 0) {
// adc
adc_next();
if (!(ctr & 0x3)) {
// shifted counter for use in the program
cs = ctr >> 2;
// adc (512Hz/16 avg = 32Hz update rate)
if (cs & 1) {
if (!adc_next()) {
// adc has new computed results,
// so we can do userio, probe, etc
// but the results are only valid
// after our first cycle
if (uptime || cs) {
userio_parse();
}
}
}
}
}

26
src/userio.c
View File

@ -1,5 +1,5 @@
/*
* adc.c: reacting when you fiddle with buttons, switches, and knobs
* userio.c: reacting when you fiddle with buttons, switches, and knobs
*
* mode switch: modes are changed only when the button is not being
* pushed, as button being pushed negates the mode switch response.
@ -29,23 +29,26 @@
#define MODE_CONT 0
#define MODE_CONT_TARGET 0x46d
#define MODE_CONT_TARGET (4096 * (1 - (1 / 4)))
#define MODE_FUN 1
#define MODE_FUN_TARGET 0xa2b
#define MODE_FUN_TARGET (4096 * (1 - (1 / 3)))
#define MODE_DIODE 2
#define MODE_DIODE_TARGET 0xf80
#define MODE_DIODE_TARGET (4096 * (1 - (1 / 2)))
#define MODE_HYSTERESIS 20
#define MODE_HYSTERESIS 60 // 3x worst case expected (1% tol)
#define MODE_ANALOG_MIN 0x80
#define MODE_ANALOG_MIN 20
uint8_t modesw;
uint8_t modesw_next;
uint8_t modesw_count;
uint8_t mode;
uint8_t mode_next;
uint8_t mode_count;
static const uint16_t mode_targets[] = {
MODE_CONT_TARGET, MODE_FUN_TARGET, MODE_DIODE_TARGET
};
uint8_t knob[2];
@ -54,6 +57,11 @@ uint16_t btn_held = 0;
void userio_update()
{
}
void userio_parse()
{