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Some max7219 updates. (#1021)

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* Some max7219 updates. Disable test mode on startup and allow dynamic brightness

* fix formatting
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buxtronix 2020-05-02 09:05:09 +10:00 committed by GitHub
parent 0473c4c79f
commit 4f2e2fa297
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 1 deletions
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7
esphome/components/max7219/max7219.cpp
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@ -12,6 +12,7 @@ static const uint8_t MAX7219_REGISTER_DECODE_MODE = 0x09;
static const uint8_t MAX7219_REGISTER_INTENSITY = 0x0A; static const uint8_t MAX7219_REGISTER_INTENSITY = 0x0A;
static const uint8_t MAX7219_REGISTER_SCAN_LIMIT = 0x0B; static const uint8_t MAX7219_REGISTER_SCAN_LIMIT = 0x0B;
static const uint8_t MAX7219_REGISTER_SHUTDOWN = 0x0C; static const uint8_t MAX7219_REGISTER_SHUTDOWN = 0x0C;
static const uint8_t MAX7219_REGISTER_TEST = 0x0F;
static const uint8_t MAX7219_UNKNOWN_CHAR = 0b11111111; static const uint8_t MAX7219_UNKNOWN_CHAR = 0b11111111;
const uint8_t MAX7219_ASCII_TO_RAW[95] PROGMEM = { const uint8_t MAX7219_ASCII_TO_RAW[95] PROGMEM = {
@ -127,6 +128,7 @@ void MAX7219Component::setup() {
this->send_to_all_(MAX7219_REGISTER_INTENSITY, this->intensity_); this->send_to_all_(MAX7219_REGISTER_INTENSITY, this->intensity_);
this->display(); this->display();
// power up // power up
this->send_to_all_(MAX7219_REGISTER_TEST, 0);
this->send_to_all_(MAX7219_REGISTER_SHUTDOWN, 1); this->send_to_all_(MAX7219_REGISTER_SHUTDOWN, 1);
} }
void MAX7219Component::dump_config() { void MAX7219Component::dump_config() {
@ -210,7 +212,10 @@ uint8_t MAX7219Component::printf(const char *format, ...) {
return 0; return 0;
} }
void MAX7219Component::set_writer(max7219_writer_t &&writer) { this->writer_ = writer; } void MAX7219Component::set_writer(max7219_writer_t &&writer) { this->writer_ = writer; }
void MAX7219Component::set_intensity(uint8_t intensity) { this->intensity_ = intensity; } void MAX7219Component::set_intensity(uint8_t intensity) {
this->intensity_ = intensity;
this->send_to_all_(MAX7219_REGISTER_INTENSITY, this->intensity_);
}
void MAX7219Component::set_num_chips(uint8_t num_chips) { this->num_chips_ = num_chips; } void MAX7219Component::set_num_chips(uint8_t num_chips) { this->num_chips_ = num_chips; }
#ifdef USE_TIME #ifdef USE_TIME