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f103-dotmatrix
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alien

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memlib
Ondřej Hruška 9 years ago
parent 2a11d01505
commit 7913d14e09
6 changed files with 231 additions and 315 deletions
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  1. 6
      f103-ledmatrix.pro
  2. 299
      f103.pro.user
  3. 36
      project/hw_init.c
  4. 71
      project/main.c
  5. 87
      project/matrixdsp.c
  6. 47
      project/matrixdsp.h

6
f103.pro → f103-ledmatrix.pro
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@ -81,7 +81,8 @@ HEADERS += \
project/main.h \ project/main.h \
project/utils/matcher.h \ project/utils/matcher.h \
project/utils/meanbuf.h \ project/utils/meanbuf.h \
project/display.h project/display.h \
project/matrixdsp.h
SOURCES += \ SOURCES += \
lib/cmsis/core_cm3.c \ lib/cmsis/core_cm3.c \
@ -138,7 +139,8 @@ SOURCES += \
project/utils/str_utils.c \ project/utils/str_utils.c \
project/utils/matcher.c \ project/utils/matcher.c \
project/utils/meanbuf.c \ project/utils/meanbuf.c \
project/display.c project/display.c \
project/matrixdsp.c
DISTFILES += \ DISTFILES += \
style.astylerc \ style.astylerc \

299
f103.pro.user
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@ -1,299 +0,0 @@
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36
project/hw_init.c
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@ -8,11 +8,13 @@
#include "utils/timebase.h" #include "utils/timebase.h"
#include "bus/event_queue.h" #include "bus/event_queue.h"
#include "com/debug.h"
// ---- Private prototypes -------- // ---- Private prototypes --------
static void conf_gpio(void); static void conf_gpio(void);
static void conf_usart(void); static void conf_usart(void);
static void conf_spi(void);
static void conf_systick(void); static void conf_systick(void);
static void conf_subsystems(void); static void conf_subsystems(void);
static void conf_irq_prios(void); static void conf_irq_prios(void);
@ -27,6 +29,7 @@ void hw_init(void)
conf_gpio(); conf_gpio();
conf_usart(); conf_usart();
conf_systick(); conf_systick();
conf_spi();
conf_irq_prios(); conf_irq_prios();
conf_subsystems(); conf_subsystems();
} }
@ -71,6 +74,7 @@ static void conf_subsystems(void)
static void conf_gpio(void) static void conf_gpio(void)
{ {
GPIO_InitTypeDef gpio_cnf; GPIO_InitTypeDef gpio_cnf;
GPIO_StructInit(&gpio_cnf);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
@ -96,6 +100,18 @@ static void conf_gpio(void)
// A0-sonar trig | UART2 - debug, UART1 - esp // A0-sonar trig | UART2 - debug, UART1 - esp
gpio_cnf.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_9 | GPIO_Pin_10; gpio_cnf.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_9 | GPIO_Pin_10;
gpio_cnf.GPIO_Mode = GPIO_Mode_AF_PP; gpio_cnf.GPIO_Mode = GPIO_Mode_AF_PP;
gpio_cnf.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_Init(GPIOA, &gpio_cnf);
// SPI
gpio_cnf.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_7;
gpio_cnf.GPIO_Mode = GPIO_Mode_AF_PP;
gpio_cnf.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_Init(GPIOA, &gpio_cnf);
// SPI NSS out
gpio_cnf.GPIO_Pin = GPIO_Pin_4;
gpio_cnf.GPIO_Mode = GPIO_Mode_Out_PP;
gpio_cnf.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_Init(GPIOA, &gpio_cnf); GPIO_Init(GPIOA, &gpio_cnf);
} }
@ -115,6 +131,26 @@ static void conf_usart(void)
data_iface = usart_iface_init(USART1, 460800, 256, 256); data_iface = usart_iface_init(USART1, 460800, 256, 256);
} }
/**
* @brief Configure SPI
*/
static void conf_spi(void)
{
RCC_APB2PeriphClockCmd(RCC_APB2ENR_SPI1EN, ENABLE);
SPI_InitTypeDef spi_cnf;
SPI_StructInit(&spi_cnf);
spi_cnf.SPI_Direction = SPI_Direction_1Line_Tx;
spi_cnf.SPI_Mode = SPI_Mode_Master;
spi_cnf.SPI_NSS = SPI_NSS_Soft;
spi_cnf.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;
SPI_Init(SPI1, &spi_cnf);
SPI_Cmd(SPI1, ENABLE);
}
/** /**
* @brief Configure 1 kHz SysTick w/ interrupt * @brief Configure 1 kHz SysTick w/ interrupt

71
project/main.c
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@ -13,7 +13,10 @@
#include <math.h> #include <math.h>
#include <sbmp.h> #include <sbmp.h>
void poll_subsystems(void) #include "matrixdsp.h"
static void poll_subsystems(void)
{ {
// poll serial buffers (runs callback) // poll serial buffers (runs callback)
com_poll(debug_iface); com_poll(debug_iface);
@ -36,29 +39,69 @@ void poll_subsystems(void)
void blinky(void* arg)
{
(void)arg;
GPIOC->ODR ^= 1<<13;
}
int main(void) int main(void)
{ {
hw_init(); hw_init();
display_init(); // display_init();
banner("*** STM32F103K8T6 RGB LED demo ***"); banner("*** LED MATRIX DEMO ***");
banner_info("(c) Ondrej Hruska, 2016"); banner_info("(c) Ondrej Hruska, 2016");
banner_info("Katedra mereni K338, CVUT FEL"); banner_info("Katedra mereni K338, CVUT FEL");
ms_time_t last;
add_periodic_task(blinky, NULL, 500, false);
mdsp_send_command_all(CMD_DECODE_MODE, 0x00);
mdsp_send_command_all(CMD_SCAN_LIMIT, 0x07);
mdsp_send_command_all(CMD_SHUTDOWN, 0x01);
mdsp_send_command_all(CMD_DISPLAY_TEST, 0x00);
mdsp_send_command_all(CMD_INTENSITY, 0x05);
mdsp_clear();
// ---
const uint16_t inva0[] = {
0b00100000100,
0b00010001000,
0b00111111100,
0b01101110110,
0b11111111111,
0b10111111101,
0b10100000101,
0b00011011000,
};
const uint16_t inva1[] = {
0b00100000100,
0b10010001001,
0b10111111101,
0b11101110111,
0b11111111111,
0b01111111110,
0b00100000100,
0b01000000010,
};
while (1) { while (1) {
if (ms_loop_elapsed(&last, 500)) {
GPIOC->ODR ^= 1 << 13;
}
poll_subsystems(); poll_subsystems();
for (int i = 0; i < 8; i++) {
uint32_t x = __RBIT(inva0[7-i]);
mdsp_set(i, x >> 21);
mdsp_set(8+i, (x >> 29) & 0b111);
}
delay_ms(500);
for (int i = 0; i < 8; i++) {
uint32_t x = __RBIT(inva1[7-i]);
mdsp_set(i, x >> 21);
mdsp_set(8+i, (x >> 29) & 0b111);
}
delay_ms(500);
} }
} }

87
project/matrixdsp.c
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#include <main.h>
#include <matrixdsp.h>
#include "com/debug.h"
#include "utils/timebase.h"
static void send_byte(uint8_t b)
{
MDSP_SPIx->DR = b;
while (!(MDSP_SPIx->SR & SPI_SR_TXE));
}
static void set_nss(bool nss)
{
if (nss) {
MDSP_NSS_GPIO->BSRR = MDSP_NSS_PIN;
} else {
MDSP_NSS_GPIO->BRR = MDSP_NSS_PIN;
}
}
static void send_word(MDSP_Command cmd, uint8_t data)
{
send_byte(cmd);
send_byte(data);
}
/**
* @brief Send a command to n-th chained driver
* @param idx Driver index (0, 1, 2 ...)
* @param cmd command to send
* @param data command argument
*/
void mdsp_send_command(uint8_t idx, MDSP_Command cmd, uint8_t data)
{
dbg("Set %d: cmd 0x%02x, data 0x%02x", idx, cmd, data);
set_nss(false);
while (MDSP_SPIx->SR & SPI_SR_BSY);
for (uint8_t i = 0; i < MDSP_CHAIN_COUNT - idx - 1; i++) {
send_word(CMD_NOOP, 0);
}
send_word(cmd, data);
for (uint8_t i = 0; i < idx; i++) {
send_word(CMD_NOOP, 0);
}
while (MDSP_SPIx->SR & SPI_SR_BSY);
set_nss(false);
set_nss(true);
}
void mdsp_send_command_all(MDSP_Command cmd, uint8_t data)
{
dbg("Set cmd 0x%02x, data 0x%02x ALL", cmd, data);
set_nss(false);
while (MDSP_SPIx->SR & SPI_SR_BSY);
for (uint8_t i = 0; i < MDSP_CHAIN_COUNT; i++) {
send_word(cmd, data);
}
while (MDSP_SPIx->SR & SPI_SR_BSY);
set_nss(false);
set_nss(true);
}
void mdsp_set(uint8_t column, uint8_t bits)
{
if (column >= MDSP_COLUMN_COUNT) return;
mdsp_send_command(column >> 3, CMD_DIGIT0 + (column & 0x7), bits);
}
void mdsp_clear(void)
{
for (uint8_t i = 0; i < 8; i++) {
mdsp_send_command_all(CMD_DIGIT0+i, 0);
}
}

47
project/matrixdsp.h
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#ifndef MATRIXDSP_H
#define MATRIXDSP_H
#include <main.h>
#define MDSP_SPIx SPI1
#define MDSP_NSS_GPIO GPIOA
#define MDSP_NSS_PIN GPIO_Pin_4;
#define MDSP_CHAIN_COUNT 4
#define MDSP_COLUMN_COUNT (MDSP_CHAIN_COUNT*8)
typedef enum {
CMD_NOOP = 0x00,
CMD_DIGIT0 = 0x01,
CMD_DIGIT1 = 0x02,
CMD_DIGIT2 = 0x03,
CMD_DIGIT3 = 0x04,
CMD_DIGIT4 = 0x05,
CMD_DIGIT5 = 0x06,
CMD_DIGIT6 = 0x07,
CMD_DIGIT7 = 0x08,
CMD_DECODE_MODE = 0x09,
CMD_INTENSITY = 0x0A,
CMD_SCAN_LIMIT = 0x0B,
CMD_SHUTDOWN = 0x0C,
CMD_DISPLAY_TEST = 0x0F,
} MDSP_Command;
void mdsp_set(uint8_t column, uint8_t bits);
void mdsp_clear(void);
/**
* @brief Send a command to n-th chained driver
* @param idx Driver index (0, 1, 2 ...)
* @param cmd command to send
* @param data command argument
*/
void mdsp_send_command(uint8_t idx, MDSP_Command cmd, uint8_t data);
void mdsp_send_command_all(MDSP_Command cmd, uint8_t data);
#endif // MATRIXDSP_H
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